File: | lib/AsmParser/LLParser.cpp |
Warning: | line 2169, column 17 The right operand of '==' is a garbage value |
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1 | //===-- LLParser.cpp - Parser Class ---------------------------------------===// | |||
2 | // | |||
3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | |||
4 | // See https://llvm.org/LICENSE.txt for license information. | |||
5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | |||
6 | // | |||
7 | //===----------------------------------------------------------------------===// | |||
8 | // | |||
9 | // This file defines the parser class for .ll files. | |||
10 | // | |||
11 | //===----------------------------------------------------------------------===// | |||
12 | ||||
13 | #include "LLParser.h" | |||
14 | #include "llvm/ADT/DenseMap.h" | |||
15 | #include "llvm/ADT/None.h" | |||
16 | #include "llvm/ADT/Optional.h" | |||
17 | #include "llvm/ADT/STLExtras.h" | |||
18 | #include "llvm/ADT/SmallPtrSet.h" | |||
19 | #include "llvm/AsmParser/SlotMapping.h" | |||
20 | #include "llvm/BinaryFormat/Dwarf.h" | |||
21 | #include "llvm/IR/Argument.h" | |||
22 | #include "llvm/IR/AutoUpgrade.h" | |||
23 | #include "llvm/IR/BasicBlock.h" | |||
24 | #include "llvm/IR/CallingConv.h" | |||
25 | #include "llvm/IR/Comdat.h" | |||
26 | #include "llvm/IR/Constants.h" | |||
27 | #include "llvm/IR/DebugInfoMetadata.h" | |||
28 | #include "llvm/IR/DerivedTypes.h" | |||
29 | #include "llvm/IR/Function.h" | |||
30 | #include "llvm/IR/GlobalIFunc.h" | |||
31 | #include "llvm/IR/GlobalObject.h" | |||
32 | #include "llvm/IR/InlineAsm.h" | |||
33 | #include "llvm/IR/Instruction.h" | |||
34 | #include "llvm/IR/Instructions.h" | |||
35 | #include "llvm/IR/Intrinsics.h" | |||
36 | #include "llvm/IR/LLVMContext.h" | |||
37 | #include "llvm/IR/Metadata.h" | |||
38 | #include "llvm/IR/Module.h" | |||
39 | #include "llvm/IR/Operator.h" | |||
40 | #include "llvm/IR/Type.h" | |||
41 | #include "llvm/IR/Value.h" | |||
42 | #include "llvm/IR/ValueSymbolTable.h" | |||
43 | #include "llvm/Support/Casting.h" | |||
44 | #include "llvm/Support/ErrorHandling.h" | |||
45 | #include "llvm/Support/MathExtras.h" | |||
46 | #include "llvm/Support/SaveAndRestore.h" | |||
47 | #include "llvm/Support/raw_ostream.h" | |||
48 | #include <algorithm> | |||
49 | #include <cassert> | |||
50 | #include <cstring> | |||
51 | #include <iterator> | |||
52 | #include <vector> | |||
53 | ||||
54 | using namespace llvm; | |||
55 | ||||
56 | static std::string getTypeString(Type *T) { | |||
57 | std::string Result; | |||
58 | raw_string_ostream Tmp(Result); | |||
59 | Tmp << *T; | |||
60 | return Tmp.str(); | |||
61 | } | |||
62 | ||||
63 | /// Run: module ::= toplevelentity* | |||
64 | bool LLParser::Run() { | |||
65 | // Prime the lexer. | |||
66 | Lex.Lex(); | |||
67 | ||||
68 | if (Context.shouldDiscardValueNames()) | |||
69 | return Error( | |||
70 | Lex.getLoc(), | |||
71 | "Can't read textual IR with a Context that discards named Values"); | |||
72 | ||||
73 | return ParseTopLevelEntities() || ValidateEndOfModule() || | |||
74 | ValidateEndOfIndex(); | |||
75 | } | |||
76 | ||||
77 | bool LLParser::parseStandaloneConstantValue(Constant *&C, | |||
78 | const SlotMapping *Slots) { | |||
79 | restoreParsingState(Slots); | |||
80 | Lex.Lex(); | |||
81 | ||||
82 | Type *Ty = nullptr; | |||
83 | if (ParseType(Ty) || parseConstantValue(Ty, C)) | |||
84 | return true; | |||
85 | if (Lex.getKind() != lltok::Eof) | |||
86 | return Error(Lex.getLoc(), "expected end of string"); | |||
87 | return false; | |||
88 | } | |||
89 | ||||
90 | bool LLParser::parseTypeAtBeginning(Type *&Ty, unsigned &Read, | |||
91 | const SlotMapping *Slots) { | |||
92 | restoreParsingState(Slots); | |||
93 | Lex.Lex(); | |||
94 | ||||
95 | Read = 0; | |||
96 | SMLoc Start = Lex.getLoc(); | |||
97 | Ty = nullptr; | |||
98 | if (ParseType(Ty)) | |||
99 | return true; | |||
100 | SMLoc End = Lex.getLoc(); | |||
101 | Read = End.getPointer() - Start.getPointer(); | |||
102 | ||||
103 | return false; | |||
104 | } | |||
105 | ||||
106 | void LLParser::restoreParsingState(const SlotMapping *Slots) { | |||
107 | if (!Slots) | |||
108 | return; | |||
109 | NumberedVals = Slots->GlobalValues; | |||
110 | NumberedMetadata = Slots->MetadataNodes; | |||
111 | for (const auto &I : Slots->NamedTypes) | |||
112 | NamedTypes.insert( | |||
113 | std::make_pair(I.getKey(), std::make_pair(I.second, LocTy()))); | |||
114 | for (const auto &I : Slots->Types) | |||
115 | NumberedTypes.insert( | |||
116 | std::make_pair(I.first, std::make_pair(I.second, LocTy()))); | |||
117 | } | |||
118 | ||||
119 | /// ValidateEndOfModule - Do final validity and sanity checks at the end of the | |||
120 | /// module. | |||
121 | bool LLParser::ValidateEndOfModule() { | |||
122 | if (!M) | |||
123 | return false; | |||
124 | // Handle any function attribute group forward references. | |||
125 | for (const auto &RAG : ForwardRefAttrGroups) { | |||
126 | Value *V = RAG.first; | |||
127 | const std::vector<unsigned> &Attrs = RAG.second; | |||
128 | AttrBuilder B; | |||
129 | ||||
130 | for (const auto &Attr : Attrs) | |||
131 | B.merge(NumberedAttrBuilders[Attr]); | |||
132 | ||||
133 | if (Function *Fn = dyn_cast<Function>(V)) { | |||
134 | AttributeList AS = Fn->getAttributes(); | |||
135 | AttrBuilder FnAttrs(AS.getFnAttributes()); | |||
136 | AS = AS.removeAttributes(Context, AttributeList::FunctionIndex); | |||
137 | ||||
138 | FnAttrs.merge(B); | |||
139 | ||||
140 | // If the alignment was parsed as an attribute, move to the alignment | |||
141 | // field. | |||
142 | if (FnAttrs.hasAlignmentAttr()) { | |||
143 | Fn->setAlignment(FnAttrs.getAlignment()); | |||
144 | FnAttrs.removeAttribute(Attribute::Alignment); | |||
145 | } | |||
146 | ||||
147 | AS = AS.addAttributes(Context, AttributeList::FunctionIndex, | |||
148 | AttributeSet::get(Context, FnAttrs)); | |||
149 | Fn->setAttributes(AS); | |||
150 | } else if (CallInst *CI = dyn_cast<CallInst>(V)) { | |||
151 | AttributeList AS = CI->getAttributes(); | |||
152 | AttrBuilder FnAttrs(AS.getFnAttributes()); | |||
153 | AS = AS.removeAttributes(Context, AttributeList::FunctionIndex); | |||
154 | FnAttrs.merge(B); | |||
155 | AS = AS.addAttributes(Context, AttributeList::FunctionIndex, | |||
156 | AttributeSet::get(Context, FnAttrs)); | |||
157 | CI->setAttributes(AS); | |||
158 | } else if (InvokeInst *II = dyn_cast<InvokeInst>(V)) { | |||
159 | AttributeList AS = II->getAttributes(); | |||
160 | AttrBuilder FnAttrs(AS.getFnAttributes()); | |||
161 | AS = AS.removeAttributes(Context, AttributeList::FunctionIndex); | |||
162 | FnAttrs.merge(B); | |||
163 | AS = AS.addAttributes(Context, AttributeList::FunctionIndex, | |||
164 | AttributeSet::get(Context, FnAttrs)); | |||
165 | II->setAttributes(AS); | |||
166 | } else if (CallBrInst *CBI = dyn_cast<CallBrInst>(V)) { | |||
167 | AttributeList AS = CBI->getAttributes(); | |||
168 | AttrBuilder FnAttrs(AS.getFnAttributes()); | |||
169 | AS = AS.removeAttributes(Context, AttributeList::FunctionIndex); | |||
170 | FnAttrs.merge(B); | |||
171 | AS = AS.addAttributes(Context, AttributeList::FunctionIndex, | |||
172 | AttributeSet::get(Context, FnAttrs)); | |||
173 | CBI->setAttributes(AS); | |||
174 | } else if (auto *GV = dyn_cast<GlobalVariable>(V)) { | |||
175 | AttrBuilder Attrs(GV->getAttributes()); | |||
176 | Attrs.merge(B); | |||
177 | GV->setAttributes(AttributeSet::get(Context,Attrs)); | |||
178 | } else { | |||
179 | llvm_unreachable("invalid object with forward attribute group reference")::llvm::llvm_unreachable_internal("invalid object with forward attribute group reference" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 179); | |||
180 | } | |||
181 | } | |||
182 | ||||
183 | // If there are entries in ForwardRefBlockAddresses at this point, the | |||
184 | // function was never defined. | |||
185 | if (!ForwardRefBlockAddresses.empty()) | |||
186 | return Error(ForwardRefBlockAddresses.begin()->first.Loc, | |||
187 | "expected function name in blockaddress"); | |||
188 | ||||
189 | for (const auto &NT : NumberedTypes) | |||
190 | if (NT.second.second.isValid()) | |||
191 | return Error(NT.second.second, | |||
192 | "use of undefined type '%" + Twine(NT.first) + "'"); | |||
193 | ||||
194 | for (StringMap<std::pair<Type*, LocTy> >::iterator I = | |||
195 | NamedTypes.begin(), E = NamedTypes.end(); I != E; ++I) | |||
196 | if (I->second.second.isValid()) | |||
197 | return Error(I->second.second, | |||
198 | "use of undefined type named '" + I->getKey() + "'"); | |||
199 | ||||
200 | if (!ForwardRefComdats.empty()) | |||
201 | return Error(ForwardRefComdats.begin()->second, | |||
202 | "use of undefined comdat '$" + | |||
203 | ForwardRefComdats.begin()->first + "'"); | |||
204 | ||||
205 | if (!ForwardRefVals.empty()) | |||
206 | return Error(ForwardRefVals.begin()->second.second, | |||
207 | "use of undefined value '@" + ForwardRefVals.begin()->first + | |||
208 | "'"); | |||
209 | ||||
210 | if (!ForwardRefValIDs.empty()) | |||
211 | return Error(ForwardRefValIDs.begin()->second.second, | |||
212 | "use of undefined value '@" + | |||
213 | Twine(ForwardRefValIDs.begin()->first) + "'"); | |||
214 | ||||
215 | if (!ForwardRefMDNodes.empty()) | |||
216 | return Error(ForwardRefMDNodes.begin()->second.second, | |||
217 | "use of undefined metadata '!" + | |||
218 | Twine(ForwardRefMDNodes.begin()->first) + "'"); | |||
219 | ||||
220 | // Resolve metadata cycles. | |||
221 | for (auto &N : NumberedMetadata) { | |||
222 | if (N.second && !N.second->isResolved()) | |||
223 | N.second->resolveCycles(); | |||
224 | } | |||
225 | ||||
226 | for (auto *Inst : InstsWithTBAATag) { | |||
227 | MDNode *MD = Inst->getMetadata(LLVMContext::MD_tbaa); | |||
228 | assert(MD && "UpgradeInstWithTBAATag should have a TBAA tag")((MD && "UpgradeInstWithTBAATag should have a TBAA tag" ) ? static_cast<void> (0) : __assert_fail ("MD && \"UpgradeInstWithTBAATag should have a TBAA tag\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 228, __PRETTY_FUNCTION__)); | |||
229 | auto *UpgradedMD = UpgradeTBAANode(*MD); | |||
230 | if (MD != UpgradedMD) | |||
231 | Inst->setMetadata(LLVMContext::MD_tbaa, UpgradedMD); | |||
232 | } | |||
233 | ||||
234 | // Look for intrinsic functions and CallInst that need to be upgraded | |||
235 | for (Module::iterator FI = M->begin(), FE = M->end(); FI != FE; ) | |||
236 | UpgradeCallsToIntrinsic(&*FI++); // must be post-increment, as we remove | |||
237 | ||||
238 | // Some types could be renamed during loading if several modules are | |||
239 | // loaded in the same LLVMContext (LTO scenario). In this case we should | |||
240 | // remangle intrinsics names as well. | |||
241 | for (Module::iterator FI = M->begin(), FE = M->end(); FI != FE; ) { | |||
242 | Function *F = &*FI++; | |||
243 | if (auto Remangled = Intrinsic::remangleIntrinsicFunction(F)) { | |||
244 | F->replaceAllUsesWith(Remangled.getValue()); | |||
245 | F->eraseFromParent(); | |||
246 | } | |||
247 | } | |||
248 | ||||
249 | if (UpgradeDebugInfo) | |||
250 | llvm::UpgradeDebugInfo(*M); | |||
251 | ||||
252 | UpgradeModuleFlags(*M); | |||
253 | UpgradeSectionAttributes(*M); | |||
254 | ||||
255 | if (!Slots) | |||
256 | return false; | |||
257 | // Initialize the slot mapping. | |||
258 | // Because by this point we've parsed and validated everything, we can "steal" | |||
259 | // the mapping from LLParser as it doesn't need it anymore. | |||
260 | Slots->GlobalValues = std::move(NumberedVals); | |||
261 | Slots->MetadataNodes = std::move(NumberedMetadata); | |||
262 | for (const auto &I : NamedTypes) | |||
263 | Slots->NamedTypes.insert(std::make_pair(I.getKey(), I.second.first)); | |||
264 | for (const auto &I : NumberedTypes) | |||
265 | Slots->Types.insert(std::make_pair(I.first, I.second.first)); | |||
266 | ||||
267 | return false; | |||
268 | } | |||
269 | ||||
270 | /// Do final validity and sanity checks at the end of the index. | |||
271 | bool LLParser::ValidateEndOfIndex() { | |||
272 | if (!Index) | |||
273 | return false; | |||
274 | ||||
275 | if (!ForwardRefValueInfos.empty()) | |||
276 | return Error(ForwardRefValueInfos.begin()->second.front().second, | |||
277 | "use of undefined summary '^" + | |||
278 | Twine(ForwardRefValueInfos.begin()->first) + "'"); | |||
279 | ||||
280 | if (!ForwardRefAliasees.empty()) | |||
281 | return Error(ForwardRefAliasees.begin()->second.front().second, | |||
282 | "use of undefined summary '^" + | |||
283 | Twine(ForwardRefAliasees.begin()->first) + "'"); | |||
284 | ||||
285 | if (!ForwardRefTypeIds.empty()) | |||
286 | return Error(ForwardRefTypeIds.begin()->second.front().second, | |||
287 | "use of undefined type id summary '^" + | |||
288 | Twine(ForwardRefTypeIds.begin()->first) + "'"); | |||
289 | ||||
290 | return false; | |||
291 | } | |||
292 | ||||
293 | //===----------------------------------------------------------------------===// | |||
294 | // Top-Level Entities | |||
295 | //===----------------------------------------------------------------------===// | |||
296 | ||||
297 | bool LLParser::ParseTopLevelEntities() { | |||
298 | // If there is no Module, then parse just the summary index entries. | |||
299 | if (!M) { | |||
300 | while (true) { | |||
301 | switch (Lex.getKind()) { | |||
302 | case lltok::Eof: | |||
303 | return false; | |||
304 | case lltok::SummaryID: | |||
305 | if (ParseSummaryEntry()) | |||
306 | return true; | |||
307 | break; | |||
308 | case lltok::kw_source_filename: | |||
309 | if (ParseSourceFileName()) | |||
310 | return true; | |||
311 | break; | |||
312 | default: | |||
313 | // Skip everything else | |||
314 | Lex.Lex(); | |||
315 | } | |||
316 | } | |||
317 | } | |||
318 | while (true) { | |||
319 | switch (Lex.getKind()) { | |||
320 | default: return TokError("expected top-level entity"); | |||
321 | case lltok::Eof: return false; | |||
322 | case lltok::kw_declare: if (ParseDeclare()) return true; break; | |||
323 | case lltok::kw_define: if (ParseDefine()) return true; break; | |||
324 | case lltok::kw_module: if (ParseModuleAsm()) return true; break; | |||
325 | case lltok::kw_target: if (ParseTargetDefinition()) return true; break; | |||
326 | case lltok::kw_source_filename: | |||
327 | if (ParseSourceFileName()) | |||
328 | return true; | |||
329 | break; | |||
330 | case lltok::kw_deplibs: if (ParseDepLibs()) return true; break; | |||
331 | case lltok::LocalVarID: if (ParseUnnamedType()) return true; break; | |||
332 | case lltok::LocalVar: if (ParseNamedType()) return true; break; | |||
333 | case lltok::GlobalID: if (ParseUnnamedGlobal()) return true; break; | |||
334 | case lltok::GlobalVar: if (ParseNamedGlobal()) return true; break; | |||
335 | case lltok::ComdatVar: if (parseComdat()) return true; break; | |||
336 | case lltok::exclaim: if (ParseStandaloneMetadata()) return true; break; | |||
337 | case lltok::SummaryID: | |||
338 | if (ParseSummaryEntry()) | |||
339 | return true; | |||
340 | break; | |||
341 | case lltok::MetadataVar:if (ParseNamedMetadata()) return true; break; | |||
342 | case lltok::kw_attributes: if (ParseUnnamedAttrGrp()) return true; break; | |||
343 | case lltok::kw_uselistorder: if (ParseUseListOrder()) return true; break; | |||
344 | case lltok::kw_uselistorder_bb: | |||
345 | if (ParseUseListOrderBB()) | |||
346 | return true; | |||
347 | break; | |||
348 | } | |||
349 | } | |||
350 | } | |||
351 | ||||
352 | /// toplevelentity | |||
353 | /// ::= 'module' 'asm' STRINGCONSTANT | |||
354 | bool LLParser::ParseModuleAsm() { | |||
355 | assert(Lex.getKind() == lltok::kw_module)((Lex.getKind() == lltok::kw_module) ? static_cast<void> (0) : __assert_fail ("Lex.getKind() == lltok::kw_module", "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 355, __PRETTY_FUNCTION__)); | |||
356 | Lex.Lex(); | |||
357 | ||||
358 | std::string AsmStr; | |||
359 | if (ParseToken(lltok::kw_asm, "expected 'module asm'") || | |||
360 | ParseStringConstant(AsmStr)) return true; | |||
361 | ||||
362 | M->appendModuleInlineAsm(AsmStr); | |||
363 | return false; | |||
364 | } | |||
365 | ||||
366 | /// toplevelentity | |||
367 | /// ::= 'target' 'triple' '=' STRINGCONSTANT | |||
368 | /// ::= 'target' 'datalayout' '=' STRINGCONSTANT | |||
369 | bool LLParser::ParseTargetDefinition() { | |||
370 | assert(Lex.getKind() == lltok::kw_target)((Lex.getKind() == lltok::kw_target) ? static_cast<void> (0) : __assert_fail ("Lex.getKind() == lltok::kw_target", "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 370, __PRETTY_FUNCTION__)); | |||
371 | std::string Str; | |||
372 | switch (Lex.Lex()) { | |||
373 | default: return TokError("unknown target property"); | |||
374 | case lltok::kw_triple: | |||
375 | Lex.Lex(); | |||
376 | if (ParseToken(lltok::equal, "expected '=' after target triple") || | |||
377 | ParseStringConstant(Str)) | |||
378 | return true; | |||
379 | M->setTargetTriple(Str); | |||
380 | return false; | |||
381 | case lltok::kw_datalayout: | |||
382 | Lex.Lex(); | |||
383 | if (ParseToken(lltok::equal, "expected '=' after target datalayout") || | |||
384 | ParseStringConstant(Str)) | |||
385 | return true; | |||
386 | if (DataLayoutStr.empty()) | |||
387 | M->setDataLayout(Str); | |||
388 | return false; | |||
389 | } | |||
390 | } | |||
391 | ||||
392 | /// toplevelentity | |||
393 | /// ::= 'source_filename' '=' STRINGCONSTANT | |||
394 | bool LLParser::ParseSourceFileName() { | |||
395 | assert(Lex.getKind() == lltok::kw_source_filename)((Lex.getKind() == lltok::kw_source_filename) ? static_cast< void> (0) : __assert_fail ("Lex.getKind() == lltok::kw_source_filename" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 395, __PRETTY_FUNCTION__)); | |||
396 | Lex.Lex(); | |||
397 | if (ParseToken(lltok::equal, "expected '=' after source_filename") || | |||
398 | ParseStringConstant(SourceFileName)) | |||
399 | return true; | |||
400 | if (M) | |||
401 | M->setSourceFileName(SourceFileName); | |||
402 | return false; | |||
403 | } | |||
404 | ||||
405 | /// toplevelentity | |||
406 | /// ::= 'deplibs' '=' '[' ']' | |||
407 | /// ::= 'deplibs' '=' '[' STRINGCONSTANT (',' STRINGCONSTANT)* ']' | |||
408 | /// FIXME: Remove in 4.0. Currently parse, but ignore. | |||
409 | bool LLParser::ParseDepLibs() { | |||
410 | assert(Lex.getKind() == lltok::kw_deplibs)((Lex.getKind() == lltok::kw_deplibs) ? static_cast<void> (0) : __assert_fail ("Lex.getKind() == lltok::kw_deplibs", "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 410, __PRETTY_FUNCTION__)); | |||
411 | Lex.Lex(); | |||
412 | if (ParseToken(lltok::equal, "expected '=' after deplibs") || | |||
413 | ParseToken(lltok::lsquare, "expected '=' after deplibs")) | |||
414 | return true; | |||
415 | ||||
416 | if (EatIfPresent(lltok::rsquare)) | |||
417 | return false; | |||
418 | ||||
419 | do { | |||
420 | std::string Str; | |||
421 | if (ParseStringConstant(Str)) return true; | |||
422 | } while (EatIfPresent(lltok::comma)); | |||
423 | ||||
424 | return ParseToken(lltok::rsquare, "expected ']' at end of list"); | |||
425 | } | |||
426 | ||||
427 | /// ParseUnnamedType: | |||
428 | /// ::= LocalVarID '=' 'type' type | |||
429 | bool LLParser::ParseUnnamedType() { | |||
430 | LocTy TypeLoc = Lex.getLoc(); | |||
431 | unsigned TypeID = Lex.getUIntVal(); | |||
432 | Lex.Lex(); // eat LocalVarID; | |||
433 | ||||
434 | if (ParseToken(lltok::equal, "expected '=' after name") || | |||
435 | ParseToken(lltok::kw_type, "expected 'type' after '='")) | |||
436 | return true; | |||
437 | ||||
438 | Type *Result = nullptr; | |||
439 | if (ParseStructDefinition(TypeLoc, "", | |||
440 | NumberedTypes[TypeID], Result)) return true; | |||
441 | ||||
442 | if (!isa<StructType>(Result)) { | |||
443 | std::pair<Type*, LocTy> &Entry = NumberedTypes[TypeID]; | |||
444 | if (Entry.first) | |||
445 | return Error(TypeLoc, "non-struct types may not be recursive"); | |||
446 | Entry.first = Result; | |||
447 | Entry.second = SMLoc(); | |||
448 | } | |||
449 | ||||
450 | return false; | |||
451 | } | |||
452 | ||||
453 | /// toplevelentity | |||
454 | /// ::= LocalVar '=' 'type' type | |||
455 | bool LLParser::ParseNamedType() { | |||
456 | std::string Name = Lex.getStrVal(); | |||
457 | LocTy NameLoc = Lex.getLoc(); | |||
458 | Lex.Lex(); // eat LocalVar. | |||
459 | ||||
460 | if (ParseToken(lltok::equal, "expected '=' after name") || | |||
461 | ParseToken(lltok::kw_type, "expected 'type' after name")) | |||
462 | return true; | |||
463 | ||||
464 | Type *Result = nullptr; | |||
465 | if (ParseStructDefinition(NameLoc, Name, | |||
466 | NamedTypes[Name], Result)) return true; | |||
467 | ||||
468 | if (!isa<StructType>(Result)) { | |||
469 | std::pair<Type*, LocTy> &Entry = NamedTypes[Name]; | |||
470 | if (Entry.first) | |||
471 | return Error(NameLoc, "non-struct types may not be recursive"); | |||
472 | Entry.first = Result; | |||
473 | Entry.second = SMLoc(); | |||
474 | } | |||
475 | ||||
476 | return false; | |||
477 | } | |||
478 | ||||
479 | /// toplevelentity | |||
480 | /// ::= 'declare' FunctionHeader | |||
481 | bool LLParser::ParseDeclare() { | |||
482 | assert(Lex.getKind() == lltok::kw_declare)((Lex.getKind() == lltok::kw_declare) ? static_cast<void> (0) : __assert_fail ("Lex.getKind() == lltok::kw_declare", "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 482, __PRETTY_FUNCTION__)); | |||
483 | Lex.Lex(); | |||
484 | ||||
485 | std::vector<std::pair<unsigned, MDNode *>> MDs; | |||
486 | while (Lex.getKind() == lltok::MetadataVar) { | |||
487 | unsigned MDK; | |||
488 | MDNode *N; | |||
489 | if (ParseMetadataAttachment(MDK, N)) | |||
490 | return true; | |||
491 | MDs.push_back({MDK, N}); | |||
492 | } | |||
493 | ||||
494 | Function *F; | |||
495 | if (ParseFunctionHeader(F, false)) | |||
496 | return true; | |||
497 | for (auto &MD : MDs) | |||
498 | F->addMetadata(MD.first, *MD.second); | |||
499 | return false; | |||
500 | } | |||
501 | ||||
502 | /// toplevelentity | |||
503 | /// ::= 'define' FunctionHeader (!dbg !56)* '{' ... | |||
504 | bool LLParser::ParseDefine() { | |||
505 | assert(Lex.getKind() == lltok::kw_define)((Lex.getKind() == lltok::kw_define) ? static_cast<void> (0) : __assert_fail ("Lex.getKind() == lltok::kw_define", "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 505, __PRETTY_FUNCTION__)); | |||
506 | Lex.Lex(); | |||
507 | ||||
508 | Function *F; | |||
509 | return ParseFunctionHeader(F, true) || | |||
510 | ParseOptionalFunctionMetadata(*F) || | |||
511 | ParseFunctionBody(*F); | |||
512 | } | |||
513 | ||||
514 | /// ParseGlobalType | |||
515 | /// ::= 'constant' | |||
516 | /// ::= 'global' | |||
517 | bool LLParser::ParseGlobalType(bool &IsConstant) { | |||
518 | if (Lex.getKind() == lltok::kw_constant) | |||
519 | IsConstant = true; | |||
520 | else if (Lex.getKind() == lltok::kw_global) | |||
521 | IsConstant = false; | |||
522 | else { | |||
523 | IsConstant = false; | |||
524 | return TokError("expected 'global' or 'constant'"); | |||
525 | } | |||
526 | Lex.Lex(); | |||
527 | return false; | |||
528 | } | |||
529 | ||||
530 | bool LLParser::ParseOptionalUnnamedAddr( | |||
531 | GlobalVariable::UnnamedAddr &UnnamedAddr) { | |||
532 | if (EatIfPresent(lltok::kw_unnamed_addr)) | |||
533 | UnnamedAddr = GlobalValue::UnnamedAddr::Global; | |||
534 | else if (EatIfPresent(lltok::kw_local_unnamed_addr)) | |||
535 | UnnamedAddr = GlobalValue::UnnamedAddr::Local; | |||
536 | else | |||
537 | UnnamedAddr = GlobalValue::UnnamedAddr::None; | |||
538 | return false; | |||
539 | } | |||
540 | ||||
541 | /// ParseUnnamedGlobal: | |||
542 | /// OptionalVisibility (ALIAS | IFUNC) ... | |||
543 | /// OptionalLinkage OptionalPreemptionSpecifier OptionalVisibility | |||
544 | /// OptionalDLLStorageClass | |||
545 | /// ... -> global variable | |||
546 | /// GlobalID '=' OptionalVisibility (ALIAS | IFUNC) ... | |||
547 | /// GlobalID '=' OptionalLinkage OptionalPreemptionSpecifier OptionalVisibility | |||
548 | /// OptionalDLLStorageClass | |||
549 | /// ... -> global variable | |||
550 | bool LLParser::ParseUnnamedGlobal() { | |||
551 | unsigned VarID = NumberedVals.size(); | |||
552 | std::string Name; | |||
553 | LocTy NameLoc = Lex.getLoc(); | |||
554 | ||||
555 | // Handle the GlobalID form. | |||
556 | if (Lex.getKind() == lltok::GlobalID) { | |||
557 | if (Lex.getUIntVal() != VarID) | |||
558 | return Error(Lex.getLoc(), "variable expected to be numbered '%" + | |||
559 | Twine(VarID) + "'"); | |||
560 | Lex.Lex(); // eat GlobalID; | |||
561 | ||||
562 | if (ParseToken(lltok::equal, "expected '=' after name")) | |||
563 | return true; | |||
564 | } | |||
565 | ||||
566 | bool HasLinkage; | |||
567 | unsigned Linkage, Visibility, DLLStorageClass; | |||
568 | bool DSOLocal; | |||
569 | GlobalVariable::ThreadLocalMode TLM; | |||
570 | GlobalVariable::UnnamedAddr UnnamedAddr; | |||
571 | if (ParseOptionalLinkage(Linkage, HasLinkage, Visibility, DLLStorageClass, | |||
572 | DSOLocal) || | |||
573 | ParseOptionalThreadLocal(TLM) || ParseOptionalUnnamedAddr(UnnamedAddr)) | |||
574 | return true; | |||
575 | ||||
576 | if (Lex.getKind() != lltok::kw_alias && Lex.getKind() != lltok::kw_ifunc) | |||
577 | return ParseGlobal(Name, NameLoc, Linkage, HasLinkage, Visibility, | |||
578 | DLLStorageClass, DSOLocal, TLM, UnnamedAddr); | |||
579 | ||||
580 | return parseIndirectSymbol(Name, NameLoc, Linkage, Visibility, | |||
581 | DLLStorageClass, DSOLocal, TLM, UnnamedAddr); | |||
582 | } | |||
583 | ||||
584 | /// ParseNamedGlobal: | |||
585 | /// GlobalVar '=' OptionalVisibility (ALIAS | IFUNC) ... | |||
586 | /// GlobalVar '=' OptionalLinkage OptionalPreemptionSpecifier | |||
587 | /// OptionalVisibility OptionalDLLStorageClass | |||
588 | /// ... -> global variable | |||
589 | bool LLParser::ParseNamedGlobal() { | |||
590 | assert(Lex.getKind() == lltok::GlobalVar)((Lex.getKind() == lltok::GlobalVar) ? static_cast<void> (0) : __assert_fail ("Lex.getKind() == lltok::GlobalVar", "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 590, __PRETTY_FUNCTION__)); | |||
591 | LocTy NameLoc = Lex.getLoc(); | |||
592 | std::string Name = Lex.getStrVal(); | |||
593 | Lex.Lex(); | |||
594 | ||||
595 | bool HasLinkage; | |||
596 | unsigned Linkage, Visibility, DLLStorageClass; | |||
597 | bool DSOLocal; | |||
598 | GlobalVariable::ThreadLocalMode TLM; | |||
599 | GlobalVariable::UnnamedAddr UnnamedAddr; | |||
600 | if (ParseToken(lltok::equal, "expected '=' in global variable") || | |||
601 | ParseOptionalLinkage(Linkage, HasLinkage, Visibility, DLLStorageClass, | |||
602 | DSOLocal) || | |||
603 | ParseOptionalThreadLocal(TLM) || ParseOptionalUnnamedAddr(UnnamedAddr)) | |||
604 | return true; | |||
605 | ||||
606 | if (Lex.getKind() != lltok::kw_alias && Lex.getKind() != lltok::kw_ifunc) | |||
607 | return ParseGlobal(Name, NameLoc, Linkage, HasLinkage, Visibility, | |||
608 | DLLStorageClass, DSOLocal, TLM, UnnamedAddr); | |||
609 | ||||
610 | return parseIndirectSymbol(Name, NameLoc, Linkage, Visibility, | |||
611 | DLLStorageClass, DSOLocal, TLM, UnnamedAddr); | |||
612 | } | |||
613 | ||||
614 | bool LLParser::parseComdat() { | |||
615 | assert(Lex.getKind() == lltok::ComdatVar)((Lex.getKind() == lltok::ComdatVar) ? static_cast<void> (0) : __assert_fail ("Lex.getKind() == lltok::ComdatVar", "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 615, __PRETTY_FUNCTION__)); | |||
616 | std::string Name = Lex.getStrVal(); | |||
617 | LocTy NameLoc = Lex.getLoc(); | |||
618 | Lex.Lex(); | |||
619 | ||||
620 | if (ParseToken(lltok::equal, "expected '=' here")) | |||
621 | return true; | |||
622 | ||||
623 | if (ParseToken(lltok::kw_comdat, "expected comdat keyword")) | |||
624 | return TokError("expected comdat type"); | |||
625 | ||||
626 | Comdat::SelectionKind SK; | |||
627 | switch (Lex.getKind()) { | |||
628 | default: | |||
629 | return TokError("unknown selection kind"); | |||
630 | case lltok::kw_any: | |||
631 | SK = Comdat::Any; | |||
632 | break; | |||
633 | case lltok::kw_exactmatch: | |||
634 | SK = Comdat::ExactMatch; | |||
635 | break; | |||
636 | case lltok::kw_largest: | |||
637 | SK = Comdat::Largest; | |||
638 | break; | |||
639 | case lltok::kw_noduplicates: | |||
640 | SK = Comdat::NoDuplicates; | |||
641 | break; | |||
642 | case lltok::kw_samesize: | |||
643 | SK = Comdat::SameSize; | |||
644 | break; | |||
645 | } | |||
646 | Lex.Lex(); | |||
647 | ||||
648 | // See if the comdat was forward referenced, if so, use the comdat. | |||
649 | Module::ComdatSymTabType &ComdatSymTab = M->getComdatSymbolTable(); | |||
650 | Module::ComdatSymTabType::iterator I = ComdatSymTab.find(Name); | |||
651 | if (I != ComdatSymTab.end() && !ForwardRefComdats.erase(Name)) | |||
652 | return Error(NameLoc, "redefinition of comdat '$" + Name + "'"); | |||
653 | ||||
654 | Comdat *C; | |||
655 | if (I != ComdatSymTab.end()) | |||
656 | C = &I->second; | |||
657 | else | |||
658 | C = M->getOrInsertComdat(Name); | |||
659 | C->setSelectionKind(SK); | |||
660 | ||||
661 | return false; | |||
662 | } | |||
663 | ||||
664 | // MDString: | |||
665 | // ::= '!' STRINGCONSTANT | |||
666 | bool LLParser::ParseMDString(MDString *&Result) { | |||
667 | std::string Str; | |||
668 | if (ParseStringConstant(Str)) return true; | |||
669 | Result = MDString::get(Context, Str); | |||
670 | return false; | |||
671 | } | |||
672 | ||||
673 | // MDNode: | |||
674 | // ::= '!' MDNodeNumber | |||
675 | bool LLParser::ParseMDNodeID(MDNode *&Result) { | |||
676 | // !{ ..., !42, ... } | |||
677 | LocTy IDLoc = Lex.getLoc(); | |||
678 | unsigned MID = 0; | |||
679 | if (ParseUInt32(MID)) | |||
680 | return true; | |||
681 | ||||
682 | // If not a forward reference, just return it now. | |||
683 | if (NumberedMetadata.count(MID)) { | |||
684 | Result = NumberedMetadata[MID]; | |||
685 | return false; | |||
686 | } | |||
687 | ||||
688 | // Otherwise, create MDNode forward reference. | |||
689 | auto &FwdRef = ForwardRefMDNodes[MID]; | |||
690 | FwdRef = std::make_pair(MDTuple::getTemporary(Context, None), IDLoc); | |||
691 | ||||
692 | Result = FwdRef.first.get(); | |||
693 | NumberedMetadata[MID].reset(Result); | |||
694 | return false; | |||
695 | } | |||
696 | ||||
697 | /// ParseNamedMetadata: | |||
698 | /// !foo = !{ !1, !2 } | |||
699 | bool LLParser::ParseNamedMetadata() { | |||
700 | assert(Lex.getKind() == lltok::MetadataVar)((Lex.getKind() == lltok::MetadataVar) ? static_cast<void> (0) : __assert_fail ("Lex.getKind() == lltok::MetadataVar", "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 700, __PRETTY_FUNCTION__)); | |||
701 | std::string Name = Lex.getStrVal(); | |||
702 | Lex.Lex(); | |||
703 | ||||
704 | if (ParseToken(lltok::equal, "expected '=' here") || | |||
705 | ParseToken(lltok::exclaim, "Expected '!' here") || | |||
706 | ParseToken(lltok::lbrace, "Expected '{' here")) | |||
707 | return true; | |||
708 | ||||
709 | NamedMDNode *NMD = M->getOrInsertNamedMetadata(Name); | |||
710 | if (Lex.getKind() != lltok::rbrace) | |||
711 | do { | |||
712 | MDNode *N = nullptr; | |||
713 | // Parse DIExpressions inline as a special case. They are still MDNodes, | |||
714 | // so they can still appear in named metadata. Remove this logic if they | |||
715 | // become plain Metadata. | |||
716 | if (Lex.getKind() == lltok::MetadataVar && | |||
717 | Lex.getStrVal() == "DIExpression") { | |||
718 | if (ParseDIExpression(N, /*IsDistinct=*/false)) | |||
719 | return true; | |||
720 | } else if (ParseToken(lltok::exclaim, "Expected '!' here") || | |||
721 | ParseMDNodeID(N)) { | |||
722 | return true; | |||
723 | } | |||
724 | NMD->addOperand(N); | |||
725 | } while (EatIfPresent(lltok::comma)); | |||
726 | ||||
727 | return ParseToken(lltok::rbrace, "expected end of metadata node"); | |||
728 | } | |||
729 | ||||
730 | /// ParseStandaloneMetadata: | |||
731 | /// !42 = !{...} | |||
732 | bool LLParser::ParseStandaloneMetadata() { | |||
733 | assert(Lex.getKind() == lltok::exclaim)((Lex.getKind() == lltok::exclaim) ? static_cast<void> ( 0) : __assert_fail ("Lex.getKind() == lltok::exclaim", "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 733, __PRETTY_FUNCTION__)); | |||
734 | Lex.Lex(); | |||
735 | unsigned MetadataID = 0; | |||
736 | ||||
737 | MDNode *Init; | |||
738 | if (ParseUInt32(MetadataID) || | |||
739 | ParseToken(lltok::equal, "expected '=' here")) | |||
740 | return true; | |||
741 | ||||
742 | // Detect common error, from old metadata syntax. | |||
743 | if (Lex.getKind() == lltok::Type) | |||
744 | return TokError("unexpected type in metadata definition"); | |||
745 | ||||
746 | bool IsDistinct = EatIfPresent(lltok::kw_distinct); | |||
747 | if (Lex.getKind() == lltok::MetadataVar) { | |||
748 | if (ParseSpecializedMDNode(Init, IsDistinct)) | |||
749 | return true; | |||
750 | } else if (ParseToken(lltok::exclaim, "Expected '!' here") || | |||
751 | ParseMDTuple(Init, IsDistinct)) | |||
752 | return true; | |||
753 | ||||
754 | // See if this was forward referenced, if so, handle it. | |||
755 | auto FI = ForwardRefMDNodes.find(MetadataID); | |||
756 | if (FI != ForwardRefMDNodes.end()) { | |||
757 | FI->second.first->replaceAllUsesWith(Init); | |||
758 | ForwardRefMDNodes.erase(FI); | |||
759 | ||||
760 | assert(NumberedMetadata[MetadataID] == Init && "Tracking VH didn't work")((NumberedMetadata[MetadataID] == Init && "Tracking VH didn't work" ) ? static_cast<void> (0) : __assert_fail ("NumberedMetadata[MetadataID] == Init && \"Tracking VH didn't work\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 760, __PRETTY_FUNCTION__)); | |||
761 | } else { | |||
762 | if (NumberedMetadata.count(MetadataID)) | |||
763 | return TokError("Metadata id is already used"); | |||
764 | NumberedMetadata[MetadataID].reset(Init); | |||
765 | } | |||
766 | ||||
767 | return false; | |||
768 | } | |||
769 | ||||
770 | // Skips a single module summary entry. | |||
771 | bool LLParser::SkipModuleSummaryEntry() { | |||
772 | // Each module summary entry consists of a tag for the entry | |||
773 | // type, followed by a colon, then the fields surrounded by nested sets of | |||
774 | // parentheses. The "tag:" looks like a Label. Once parsing support is | |||
775 | // in place we will look for the tokens corresponding to the expected tags. | |||
776 | if (Lex.getKind() != lltok::kw_gv && Lex.getKind() != lltok::kw_module && | |||
777 | Lex.getKind() != lltok::kw_typeid) | |||
778 | return TokError( | |||
779 | "Expected 'gv', 'module', or 'typeid' at the start of summary entry"); | |||
780 | Lex.Lex(); | |||
781 | if (ParseToken(lltok::colon, "expected ':' at start of summary entry") || | |||
782 | ParseToken(lltok::lparen, "expected '(' at start of summary entry")) | |||
783 | return true; | |||
784 | // Now walk through the parenthesized entry, until the number of open | |||
785 | // parentheses goes back down to 0 (the first '(' was parsed above). | |||
786 | unsigned NumOpenParen = 1; | |||
787 | do { | |||
788 | switch (Lex.getKind()) { | |||
789 | case lltok::lparen: | |||
790 | NumOpenParen++; | |||
791 | break; | |||
792 | case lltok::rparen: | |||
793 | NumOpenParen--; | |||
794 | break; | |||
795 | case lltok::Eof: | |||
796 | return TokError("found end of file while parsing summary entry"); | |||
797 | default: | |||
798 | // Skip everything in between parentheses. | |||
799 | break; | |||
800 | } | |||
801 | Lex.Lex(); | |||
802 | } while (NumOpenParen > 0); | |||
803 | return false; | |||
804 | } | |||
805 | ||||
806 | /// SummaryEntry | |||
807 | /// ::= SummaryID '=' GVEntry | ModuleEntry | TypeIdEntry | |||
808 | bool LLParser::ParseSummaryEntry() { | |||
809 | assert(Lex.getKind() == lltok::SummaryID)((Lex.getKind() == lltok::SummaryID) ? static_cast<void> (0) : __assert_fail ("Lex.getKind() == lltok::SummaryID", "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 809, __PRETTY_FUNCTION__)); | |||
810 | unsigned SummaryID = Lex.getUIntVal(); | |||
811 | ||||
812 | // For summary entries, colons should be treated as distinct tokens, | |||
813 | // not an indication of the end of a label token. | |||
814 | Lex.setIgnoreColonInIdentifiers(true); | |||
815 | ||||
816 | Lex.Lex(); | |||
817 | if (ParseToken(lltok::equal, "expected '=' here")) | |||
818 | return true; | |||
819 | ||||
820 | // If we don't have an index object, skip the summary entry. | |||
821 | if (!Index) | |||
822 | return SkipModuleSummaryEntry(); | |||
823 | ||||
824 | bool result = false; | |||
825 | switch (Lex.getKind()) { | |||
826 | case lltok::kw_gv: | |||
827 | result = ParseGVEntry(SummaryID); | |||
828 | break; | |||
829 | case lltok::kw_module: | |||
830 | result = ParseModuleEntry(SummaryID); | |||
831 | break; | |||
832 | case lltok::kw_typeid: | |||
833 | result = ParseTypeIdEntry(SummaryID); | |||
834 | break; | |||
835 | default: | |||
836 | result = Error(Lex.getLoc(), "unexpected summary kind"); | |||
837 | break; | |||
838 | } | |||
839 | Lex.setIgnoreColonInIdentifiers(false); | |||
840 | return result; | |||
841 | } | |||
842 | ||||
843 | static bool isValidVisibilityForLinkage(unsigned V, unsigned L) { | |||
844 | return !GlobalValue::isLocalLinkage((GlobalValue::LinkageTypes)L) || | |||
845 | (GlobalValue::VisibilityTypes)V == GlobalValue::DefaultVisibility; | |||
846 | } | |||
847 | ||||
848 | // If there was an explicit dso_local, update GV. In the absence of an explicit | |||
849 | // dso_local we keep the default value. | |||
850 | static void maybeSetDSOLocal(bool DSOLocal, GlobalValue &GV) { | |||
851 | if (DSOLocal) | |||
852 | GV.setDSOLocal(true); | |||
853 | } | |||
854 | ||||
855 | /// parseIndirectSymbol: | |||
856 | /// ::= GlobalVar '=' OptionalLinkage OptionalPreemptionSpecifier | |||
857 | /// OptionalVisibility OptionalDLLStorageClass | |||
858 | /// OptionalThreadLocal OptionalUnnamedAddr | |||
859 | /// 'alias|ifunc' IndirectSymbol IndirectSymbolAttr* | |||
860 | /// | |||
861 | /// IndirectSymbol | |||
862 | /// ::= TypeAndValue | |||
863 | /// | |||
864 | /// IndirectSymbolAttr | |||
865 | /// ::= ',' 'partition' StringConstant | |||
866 | /// | |||
867 | /// Everything through OptionalUnnamedAddr has already been parsed. | |||
868 | /// | |||
869 | bool LLParser::parseIndirectSymbol(const std::string &Name, LocTy NameLoc, | |||
870 | unsigned L, unsigned Visibility, | |||
871 | unsigned DLLStorageClass, bool DSOLocal, | |||
872 | GlobalVariable::ThreadLocalMode TLM, | |||
873 | GlobalVariable::UnnamedAddr UnnamedAddr) { | |||
874 | bool IsAlias; | |||
875 | if (Lex.getKind() == lltok::kw_alias) | |||
876 | IsAlias = true; | |||
877 | else if (Lex.getKind() == lltok::kw_ifunc) | |||
878 | IsAlias = false; | |||
879 | else | |||
880 | llvm_unreachable("Not an alias or ifunc!")::llvm::llvm_unreachable_internal("Not an alias or ifunc!", "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 880); | |||
881 | Lex.Lex(); | |||
882 | ||||
883 | GlobalValue::LinkageTypes Linkage = (GlobalValue::LinkageTypes) L; | |||
884 | ||||
885 | if(IsAlias && !GlobalAlias::isValidLinkage(Linkage)) | |||
886 | return Error(NameLoc, "invalid linkage type for alias"); | |||
887 | ||||
888 | if (!isValidVisibilityForLinkage(Visibility, L)) | |||
889 | return Error(NameLoc, | |||
890 | "symbol with local linkage must have default visibility"); | |||
891 | ||||
892 | Type *Ty; | |||
893 | LocTy ExplicitTypeLoc = Lex.getLoc(); | |||
894 | if (ParseType(Ty) || | |||
895 | ParseToken(lltok::comma, "expected comma after alias or ifunc's type")) | |||
896 | return true; | |||
897 | ||||
898 | Constant *Aliasee; | |||
899 | LocTy AliaseeLoc = Lex.getLoc(); | |||
900 | if (Lex.getKind() != lltok::kw_bitcast && | |||
901 | Lex.getKind() != lltok::kw_getelementptr && | |||
902 | Lex.getKind() != lltok::kw_addrspacecast && | |||
903 | Lex.getKind() != lltok::kw_inttoptr) { | |||
904 | if (ParseGlobalTypeAndValue(Aliasee)) | |||
905 | return true; | |||
906 | } else { | |||
907 | // The bitcast dest type is not present, it is implied by the dest type. | |||
908 | ValID ID; | |||
909 | if (ParseValID(ID)) | |||
910 | return true; | |||
911 | if (ID.Kind != ValID::t_Constant) | |||
912 | return Error(AliaseeLoc, "invalid aliasee"); | |||
913 | Aliasee = ID.ConstantVal; | |||
914 | } | |||
915 | ||||
916 | Type *AliaseeType = Aliasee->getType(); | |||
917 | auto *PTy = dyn_cast<PointerType>(AliaseeType); | |||
918 | if (!PTy) | |||
919 | return Error(AliaseeLoc, "An alias or ifunc must have pointer type"); | |||
920 | unsigned AddrSpace = PTy->getAddressSpace(); | |||
921 | ||||
922 | if (IsAlias && Ty != PTy->getElementType()) | |||
923 | return Error( | |||
924 | ExplicitTypeLoc, | |||
925 | "explicit pointee type doesn't match operand's pointee type"); | |||
926 | ||||
927 | if (!IsAlias && !PTy->getElementType()->isFunctionTy()) | |||
928 | return Error( | |||
929 | ExplicitTypeLoc, | |||
930 | "explicit pointee type should be a function type"); | |||
931 | ||||
932 | GlobalValue *GVal = nullptr; | |||
933 | ||||
934 | // See if the alias was forward referenced, if so, prepare to replace the | |||
935 | // forward reference. | |||
936 | if (!Name.empty()) { | |||
937 | GVal = M->getNamedValue(Name); | |||
938 | if (GVal) { | |||
939 | if (!ForwardRefVals.erase(Name)) | |||
940 | return Error(NameLoc, "redefinition of global '@" + Name + "'"); | |||
941 | } | |||
942 | } else { | |||
943 | auto I = ForwardRefValIDs.find(NumberedVals.size()); | |||
944 | if (I != ForwardRefValIDs.end()) { | |||
945 | GVal = I->second.first; | |||
946 | ForwardRefValIDs.erase(I); | |||
947 | } | |||
948 | } | |||
949 | ||||
950 | // Okay, create the alias but do not insert it into the module yet. | |||
951 | std::unique_ptr<GlobalIndirectSymbol> GA; | |||
952 | if (IsAlias) | |||
953 | GA.reset(GlobalAlias::create(Ty, AddrSpace, | |||
954 | (GlobalValue::LinkageTypes)Linkage, Name, | |||
955 | Aliasee, /*Parent*/ nullptr)); | |||
956 | else | |||
957 | GA.reset(GlobalIFunc::create(Ty, AddrSpace, | |||
958 | (GlobalValue::LinkageTypes)Linkage, Name, | |||
959 | Aliasee, /*Parent*/ nullptr)); | |||
960 | GA->setThreadLocalMode(TLM); | |||
961 | GA->setVisibility((GlobalValue::VisibilityTypes)Visibility); | |||
962 | GA->setDLLStorageClass((GlobalValue::DLLStorageClassTypes)DLLStorageClass); | |||
963 | GA->setUnnamedAddr(UnnamedAddr); | |||
964 | maybeSetDSOLocal(DSOLocal, *GA); | |||
965 | ||||
966 | // At this point we've parsed everything except for the IndirectSymbolAttrs. | |||
967 | // Now parse them if there are any. | |||
968 | while (Lex.getKind() == lltok::comma) { | |||
969 | Lex.Lex(); | |||
970 | ||||
971 | if (Lex.getKind() == lltok::kw_partition) { | |||
972 | Lex.Lex(); | |||
973 | GA->setPartition(Lex.getStrVal()); | |||
974 | if (ParseToken(lltok::StringConstant, "expected partition string")) | |||
975 | return true; | |||
976 | } else { | |||
977 | return TokError("unknown alias or ifunc property!"); | |||
978 | } | |||
979 | } | |||
980 | ||||
981 | if (Name.empty()) | |||
982 | NumberedVals.push_back(GA.get()); | |||
983 | ||||
984 | if (GVal) { | |||
985 | // Verify that types agree. | |||
986 | if (GVal->getType() != GA->getType()) | |||
987 | return Error( | |||
988 | ExplicitTypeLoc, | |||
989 | "forward reference and definition of alias have different types"); | |||
990 | ||||
991 | // If they agree, just RAUW the old value with the alias and remove the | |||
992 | // forward ref info. | |||
993 | GVal->replaceAllUsesWith(GA.get()); | |||
994 | GVal->eraseFromParent(); | |||
995 | } | |||
996 | ||||
997 | // Insert into the module, we know its name won't collide now. | |||
998 | if (IsAlias) | |||
999 | M->getAliasList().push_back(cast<GlobalAlias>(GA.get())); | |||
1000 | else | |||
1001 | M->getIFuncList().push_back(cast<GlobalIFunc>(GA.get())); | |||
1002 | assert(GA->getName() == Name && "Should not be a name conflict!")((GA->getName() == Name && "Should not be a name conflict!" ) ? static_cast<void> (0) : __assert_fail ("GA->getName() == Name && \"Should not be a name conflict!\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 1002, __PRETTY_FUNCTION__)); | |||
1003 | ||||
1004 | // The module owns this now | |||
1005 | GA.release(); | |||
1006 | ||||
1007 | return false; | |||
1008 | } | |||
1009 | ||||
1010 | /// ParseGlobal | |||
1011 | /// ::= GlobalVar '=' OptionalLinkage OptionalPreemptionSpecifier | |||
1012 | /// OptionalVisibility OptionalDLLStorageClass | |||
1013 | /// OptionalThreadLocal OptionalUnnamedAddr OptionalAddrSpace | |||
1014 | /// OptionalExternallyInitialized GlobalType Type Const OptionalAttrs | |||
1015 | /// ::= OptionalLinkage OptionalPreemptionSpecifier OptionalVisibility | |||
1016 | /// OptionalDLLStorageClass OptionalThreadLocal OptionalUnnamedAddr | |||
1017 | /// OptionalAddrSpace OptionalExternallyInitialized GlobalType Type | |||
1018 | /// Const OptionalAttrs | |||
1019 | /// | |||
1020 | /// Everything up to and including OptionalUnnamedAddr has been parsed | |||
1021 | /// already. | |||
1022 | /// | |||
1023 | bool LLParser::ParseGlobal(const std::string &Name, LocTy NameLoc, | |||
1024 | unsigned Linkage, bool HasLinkage, | |||
1025 | unsigned Visibility, unsigned DLLStorageClass, | |||
1026 | bool DSOLocal, GlobalVariable::ThreadLocalMode TLM, | |||
1027 | GlobalVariable::UnnamedAddr UnnamedAddr) { | |||
1028 | if (!isValidVisibilityForLinkage(Visibility, Linkage)) | |||
1029 | return Error(NameLoc, | |||
1030 | "symbol with local linkage must have default visibility"); | |||
1031 | ||||
1032 | unsigned AddrSpace; | |||
1033 | bool IsConstant, IsExternallyInitialized; | |||
1034 | LocTy IsExternallyInitializedLoc; | |||
1035 | LocTy TyLoc; | |||
1036 | ||||
1037 | Type *Ty = nullptr; | |||
1038 | if (ParseOptionalAddrSpace(AddrSpace) || | |||
1039 | ParseOptionalToken(lltok::kw_externally_initialized, | |||
1040 | IsExternallyInitialized, | |||
1041 | &IsExternallyInitializedLoc) || | |||
1042 | ParseGlobalType(IsConstant) || | |||
1043 | ParseType(Ty, TyLoc)) | |||
1044 | return true; | |||
1045 | ||||
1046 | // If the linkage is specified and is external, then no initializer is | |||
1047 | // present. | |||
1048 | Constant *Init = nullptr; | |||
1049 | if (!HasLinkage || | |||
1050 | !GlobalValue::isValidDeclarationLinkage( | |||
1051 | (GlobalValue::LinkageTypes)Linkage)) { | |||
1052 | if (ParseGlobalValue(Ty, Init)) | |||
1053 | return true; | |||
1054 | } | |||
1055 | ||||
1056 | if (Ty->isFunctionTy() || !PointerType::isValidElementType(Ty)) | |||
1057 | return Error(TyLoc, "invalid type for global variable"); | |||
1058 | ||||
1059 | GlobalValue *GVal = nullptr; | |||
1060 | ||||
1061 | // See if the global was forward referenced, if so, use the global. | |||
1062 | if (!Name.empty()) { | |||
1063 | GVal = M->getNamedValue(Name); | |||
1064 | if (GVal) { | |||
1065 | if (!ForwardRefVals.erase(Name)) | |||
1066 | return Error(NameLoc, "redefinition of global '@" + Name + "'"); | |||
1067 | } | |||
1068 | } else { | |||
1069 | auto I = ForwardRefValIDs.find(NumberedVals.size()); | |||
1070 | if (I != ForwardRefValIDs.end()) { | |||
1071 | GVal = I->second.first; | |||
1072 | ForwardRefValIDs.erase(I); | |||
1073 | } | |||
1074 | } | |||
1075 | ||||
1076 | GlobalVariable *GV; | |||
1077 | if (!GVal) { | |||
1078 | GV = new GlobalVariable(*M, Ty, false, GlobalValue::ExternalLinkage, nullptr, | |||
1079 | Name, nullptr, GlobalVariable::NotThreadLocal, | |||
1080 | AddrSpace); | |||
1081 | } else { | |||
1082 | if (GVal->getValueType() != Ty) | |||
1083 | return Error(TyLoc, | |||
1084 | "forward reference and definition of global have different types"); | |||
1085 | ||||
1086 | GV = cast<GlobalVariable>(GVal); | |||
1087 | ||||
1088 | // Move the forward-reference to the correct spot in the module. | |||
1089 | M->getGlobalList().splice(M->global_end(), M->getGlobalList(), GV); | |||
1090 | } | |||
1091 | ||||
1092 | if (Name.empty()) | |||
1093 | NumberedVals.push_back(GV); | |||
1094 | ||||
1095 | // Set the parsed properties on the global. | |||
1096 | if (Init) | |||
1097 | GV->setInitializer(Init); | |||
1098 | GV->setConstant(IsConstant); | |||
1099 | GV->setLinkage((GlobalValue::LinkageTypes)Linkage); | |||
1100 | maybeSetDSOLocal(DSOLocal, *GV); | |||
1101 | GV->setVisibility((GlobalValue::VisibilityTypes)Visibility); | |||
1102 | GV->setDLLStorageClass((GlobalValue::DLLStorageClassTypes)DLLStorageClass); | |||
1103 | GV->setExternallyInitialized(IsExternallyInitialized); | |||
1104 | GV->setThreadLocalMode(TLM); | |||
1105 | GV->setUnnamedAddr(UnnamedAddr); | |||
1106 | ||||
1107 | // Parse attributes on the global. | |||
1108 | while (Lex.getKind() == lltok::comma) { | |||
1109 | Lex.Lex(); | |||
1110 | ||||
1111 | if (Lex.getKind() == lltok::kw_section) { | |||
1112 | Lex.Lex(); | |||
1113 | GV->setSection(Lex.getStrVal()); | |||
1114 | if (ParseToken(lltok::StringConstant, "expected global section string")) | |||
1115 | return true; | |||
1116 | } else if (Lex.getKind() == lltok::kw_partition) { | |||
1117 | Lex.Lex(); | |||
1118 | GV->setPartition(Lex.getStrVal()); | |||
1119 | if (ParseToken(lltok::StringConstant, "expected partition string")) | |||
1120 | return true; | |||
1121 | } else if (Lex.getKind() == lltok::kw_align) { | |||
1122 | unsigned Alignment; | |||
1123 | if (ParseOptionalAlignment(Alignment)) return true; | |||
1124 | GV->setAlignment(Alignment); | |||
1125 | } else if (Lex.getKind() == lltok::MetadataVar) { | |||
1126 | if (ParseGlobalObjectMetadataAttachment(*GV)) | |||
1127 | return true; | |||
1128 | } else { | |||
1129 | Comdat *C; | |||
1130 | if (parseOptionalComdat(Name, C)) | |||
1131 | return true; | |||
1132 | if (C) | |||
1133 | GV->setComdat(C); | |||
1134 | else | |||
1135 | return TokError("unknown global variable property!"); | |||
1136 | } | |||
1137 | } | |||
1138 | ||||
1139 | AttrBuilder Attrs; | |||
1140 | LocTy BuiltinLoc; | |||
1141 | std::vector<unsigned> FwdRefAttrGrps; | |||
1142 | if (ParseFnAttributeValuePairs(Attrs, FwdRefAttrGrps, false, BuiltinLoc)) | |||
1143 | return true; | |||
1144 | if (Attrs.hasAttributes() || !FwdRefAttrGrps.empty()) { | |||
1145 | GV->setAttributes(AttributeSet::get(Context, Attrs)); | |||
1146 | ForwardRefAttrGroups[GV] = FwdRefAttrGrps; | |||
1147 | } | |||
1148 | ||||
1149 | return false; | |||
1150 | } | |||
1151 | ||||
1152 | /// ParseUnnamedAttrGrp | |||
1153 | /// ::= 'attributes' AttrGrpID '=' '{' AttrValPair+ '}' | |||
1154 | bool LLParser::ParseUnnamedAttrGrp() { | |||
1155 | assert(Lex.getKind() == lltok::kw_attributes)((Lex.getKind() == lltok::kw_attributes) ? static_cast<void > (0) : __assert_fail ("Lex.getKind() == lltok::kw_attributes" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 1155, __PRETTY_FUNCTION__)); | |||
1156 | LocTy AttrGrpLoc = Lex.getLoc(); | |||
1157 | Lex.Lex(); | |||
1158 | ||||
1159 | if (Lex.getKind() != lltok::AttrGrpID) | |||
1160 | return TokError("expected attribute group id"); | |||
1161 | ||||
1162 | unsigned VarID = Lex.getUIntVal(); | |||
1163 | std::vector<unsigned> unused; | |||
1164 | LocTy BuiltinLoc; | |||
1165 | Lex.Lex(); | |||
1166 | ||||
1167 | if (ParseToken(lltok::equal, "expected '=' here") || | |||
1168 | ParseToken(lltok::lbrace, "expected '{' here") || | |||
1169 | ParseFnAttributeValuePairs(NumberedAttrBuilders[VarID], unused, true, | |||
1170 | BuiltinLoc) || | |||
1171 | ParseToken(lltok::rbrace, "expected end of attribute group")) | |||
1172 | return true; | |||
1173 | ||||
1174 | if (!NumberedAttrBuilders[VarID].hasAttributes()) | |||
1175 | return Error(AttrGrpLoc, "attribute group has no attributes"); | |||
1176 | ||||
1177 | return false; | |||
1178 | } | |||
1179 | ||||
1180 | /// ParseFnAttributeValuePairs | |||
1181 | /// ::= <attr> | <attr> '=' <value> | |||
1182 | bool LLParser::ParseFnAttributeValuePairs(AttrBuilder &B, | |||
1183 | std::vector<unsigned> &FwdRefAttrGrps, | |||
1184 | bool inAttrGrp, LocTy &BuiltinLoc) { | |||
1185 | bool HaveError = false; | |||
1186 | ||||
1187 | B.clear(); | |||
1188 | ||||
1189 | while (true) { | |||
1190 | lltok::Kind Token = Lex.getKind(); | |||
1191 | if (Token == lltok::kw_builtin) | |||
1192 | BuiltinLoc = Lex.getLoc(); | |||
1193 | switch (Token) { | |||
1194 | default: | |||
1195 | if (!inAttrGrp) return HaveError; | |||
1196 | return Error(Lex.getLoc(), "unterminated attribute group"); | |||
1197 | case lltok::rbrace: | |||
1198 | // Finished. | |||
1199 | return false; | |||
1200 | ||||
1201 | case lltok::AttrGrpID: { | |||
1202 | // Allow a function to reference an attribute group: | |||
1203 | // | |||
1204 | // define void @foo() #1 { ... } | |||
1205 | if (inAttrGrp) | |||
1206 | HaveError |= | |||
1207 | Error(Lex.getLoc(), | |||
1208 | "cannot have an attribute group reference in an attribute group"); | |||
1209 | ||||
1210 | unsigned AttrGrpNum = Lex.getUIntVal(); | |||
1211 | if (inAttrGrp) break; | |||
1212 | ||||
1213 | // Save the reference to the attribute group. We'll fill it in later. | |||
1214 | FwdRefAttrGrps.push_back(AttrGrpNum); | |||
1215 | break; | |||
1216 | } | |||
1217 | // Target-dependent attributes: | |||
1218 | case lltok::StringConstant: { | |||
1219 | if (ParseStringAttribute(B)) | |||
1220 | return true; | |||
1221 | continue; | |||
1222 | } | |||
1223 | ||||
1224 | // Target-independent attributes: | |||
1225 | case lltok::kw_align: { | |||
1226 | // As a hack, we allow function alignment to be initially parsed as an | |||
1227 | // attribute on a function declaration/definition or added to an attribute | |||
1228 | // group and later moved to the alignment field. | |||
1229 | unsigned Alignment; | |||
1230 | if (inAttrGrp) { | |||
1231 | Lex.Lex(); | |||
1232 | if (ParseToken(lltok::equal, "expected '=' here") || | |||
1233 | ParseUInt32(Alignment)) | |||
1234 | return true; | |||
1235 | } else { | |||
1236 | if (ParseOptionalAlignment(Alignment)) | |||
1237 | return true; | |||
1238 | } | |||
1239 | B.addAlignmentAttr(Alignment); | |||
1240 | continue; | |||
1241 | } | |||
1242 | case lltok::kw_alignstack: { | |||
1243 | unsigned Alignment; | |||
1244 | if (inAttrGrp) { | |||
1245 | Lex.Lex(); | |||
1246 | if (ParseToken(lltok::equal, "expected '=' here") || | |||
1247 | ParseUInt32(Alignment)) | |||
1248 | return true; | |||
1249 | } else { | |||
1250 | if (ParseOptionalStackAlignment(Alignment)) | |||
1251 | return true; | |||
1252 | } | |||
1253 | B.addStackAlignmentAttr(Alignment); | |||
1254 | continue; | |||
1255 | } | |||
1256 | case lltok::kw_allocsize: { | |||
1257 | unsigned ElemSizeArg; | |||
1258 | Optional<unsigned> NumElemsArg; | |||
1259 | // inAttrGrp doesn't matter; we only support allocsize(a[, b]) | |||
1260 | if (parseAllocSizeArguments(ElemSizeArg, NumElemsArg)) | |||
1261 | return true; | |||
1262 | B.addAllocSizeAttr(ElemSizeArg, NumElemsArg); | |||
1263 | continue; | |||
1264 | } | |||
1265 | case lltok::kw_alwaysinline: B.addAttribute(Attribute::AlwaysInline); break; | |||
1266 | case lltok::kw_argmemonly: B.addAttribute(Attribute::ArgMemOnly); break; | |||
1267 | case lltok::kw_builtin: B.addAttribute(Attribute::Builtin); break; | |||
1268 | case lltok::kw_cold: B.addAttribute(Attribute::Cold); break; | |||
1269 | case lltok::kw_convergent: B.addAttribute(Attribute::Convergent); break; | |||
1270 | case lltok::kw_inaccessiblememonly: | |||
1271 | B.addAttribute(Attribute::InaccessibleMemOnly); break; | |||
1272 | case lltok::kw_inaccessiblemem_or_argmemonly: | |||
1273 | B.addAttribute(Attribute::InaccessibleMemOrArgMemOnly); break; | |||
1274 | case lltok::kw_inlinehint: B.addAttribute(Attribute::InlineHint); break; | |||
1275 | case lltok::kw_jumptable: B.addAttribute(Attribute::JumpTable); break; | |||
1276 | case lltok::kw_minsize: B.addAttribute(Attribute::MinSize); break; | |||
1277 | case lltok::kw_naked: B.addAttribute(Attribute::Naked); break; | |||
1278 | case lltok::kw_nobuiltin: B.addAttribute(Attribute::NoBuiltin); break; | |||
1279 | case lltok::kw_noduplicate: B.addAttribute(Attribute::NoDuplicate); break; | |||
1280 | case lltok::kw_noimplicitfloat: | |||
1281 | B.addAttribute(Attribute::NoImplicitFloat); break; | |||
1282 | case lltok::kw_noinline: B.addAttribute(Attribute::NoInline); break; | |||
1283 | case lltok::kw_nonlazybind: B.addAttribute(Attribute::NonLazyBind); break; | |||
1284 | case lltok::kw_noredzone: B.addAttribute(Attribute::NoRedZone); break; | |||
1285 | case lltok::kw_noreturn: B.addAttribute(Attribute::NoReturn); break; | |||
1286 | case lltok::kw_nocf_check: B.addAttribute(Attribute::NoCfCheck); break; | |||
1287 | case lltok::kw_norecurse: B.addAttribute(Attribute::NoRecurse); break; | |||
1288 | case lltok::kw_nounwind: B.addAttribute(Attribute::NoUnwind); break; | |||
1289 | case lltok::kw_optforfuzzing: | |||
1290 | B.addAttribute(Attribute::OptForFuzzing); break; | |||
1291 | case lltok::kw_optnone: B.addAttribute(Attribute::OptimizeNone); break; | |||
1292 | case lltok::kw_optsize: B.addAttribute(Attribute::OptimizeForSize); break; | |||
1293 | case lltok::kw_readnone: B.addAttribute(Attribute::ReadNone); break; | |||
1294 | case lltok::kw_readonly: B.addAttribute(Attribute::ReadOnly); break; | |||
1295 | case lltok::kw_returns_twice: | |||
1296 | B.addAttribute(Attribute::ReturnsTwice); break; | |||
1297 | case lltok::kw_speculatable: B.addAttribute(Attribute::Speculatable); break; | |||
1298 | case lltok::kw_ssp: B.addAttribute(Attribute::StackProtect); break; | |||
1299 | case lltok::kw_sspreq: B.addAttribute(Attribute::StackProtectReq); break; | |||
1300 | case lltok::kw_sspstrong: | |||
1301 | B.addAttribute(Attribute::StackProtectStrong); break; | |||
1302 | case lltok::kw_safestack: B.addAttribute(Attribute::SafeStack); break; | |||
1303 | case lltok::kw_shadowcallstack: | |||
1304 | B.addAttribute(Attribute::ShadowCallStack); break; | |||
1305 | case lltok::kw_sanitize_address: | |||
1306 | B.addAttribute(Attribute::SanitizeAddress); break; | |||
1307 | case lltok::kw_sanitize_hwaddress: | |||
1308 | B.addAttribute(Attribute::SanitizeHWAddress); break; | |||
1309 | case lltok::kw_sanitize_thread: | |||
1310 | B.addAttribute(Attribute::SanitizeThread); break; | |||
1311 | case lltok::kw_sanitize_memory: | |||
1312 | B.addAttribute(Attribute::SanitizeMemory); break; | |||
1313 | case lltok::kw_speculative_load_hardening: | |||
1314 | B.addAttribute(Attribute::SpeculativeLoadHardening); | |||
1315 | break; | |||
1316 | case lltok::kw_strictfp: B.addAttribute(Attribute::StrictFP); break; | |||
1317 | case lltok::kw_uwtable: B.addAttribute(Attribute::UWTable); break; | |||
1318 | case lltok::kw_writeonly: B.addAttribute(Attribute::WriteOnly); break; | |||
1319 | ||||
1320 | // Error handling. | |||
1321 | case lltok::kw_inreg: | |||
1322 | case lltok::kw_signext: | |||
1323 | case lltok::kw_zeroext: | |||
1324 | HaveError |= | |||
1325 | Error(Lex.getLoc(), | |||
1326 | "invalid use of attribute on a function"); | |||
1327 | break; | |||
1328 | case lltok::kw_byval: | |||
1329 | case lltok::kw_dereferenceable: | |||
1330 | case lltok::kw_dereferenceable_or_null: | |||
1331 | case lltok::kw_inalloca: | |||
1332 | case lltok::kw_nest: | |||
1333 | case lltok::kw_noalias: | |||
1334 | case lltok::kw_nocapture: | |||
1335 | case lltok::kw_nonnull: | |||
1336 | case lltok::kw_returned: | |||
1337 | case lltok::kw_sret: | |||
1338 | case lltok::kw_swifterror: | |||
1339 | case lltok::kw_swiftself: | |||
1340 | case lltok::kw_immarg: | |||
1341 | HaveError |= | |||
1342 | Error(Lex.getLoc(), | |||
1343 | "invalid use of parameter-only attribute on a function"); | |||
1344 | break; | |||
1345 | } | |||
1346 | ||||
1347 | Lex.Lex(); | |||
1348 | } | |||
1349 | } | |||
1350 | ||||
1351 | //===----------------------------------------------------------------------===// | |||
1352 | // GlobalValue Reference/Resolution Routines. | |||
1353 | //===----------------------------------------------------------------------===// | |||
1354 | ||||
1355 | static inline GlobalValue *createGlobalFwdRef(Module *M, PointerType *PTy, | |||
1356 | const std::string &Name) { | |||
1357 | if (auto *FT = dyn_cast<FunctionType>(PTy->getElementType())) | |||
1358 | return Function::Create(FT, GlobalValue::ExternalWeakLinkage, | |||
1359 | PTy->getAddressSpace(), Name, M); | |||
1360 | else | |||
1361 | return new GlobalVariable(*M, PTy->getElementType(), false, | |||
1362 | GlobalValue::ExternalWeakLinkage, nullptr, Name, | |||
1363 | nullptr, GlobalVariable::NotThreadLocal, | |||
1364 | PTy->getAddressSpace()); | |||
1365 | } | |||
1366 | ||||
1367 | Value *LLParser::checkValidVariableType(LocTy Loc, const Twine &Name, Type *Ty, | |||
1368 | Value *Val, bool IsCall) { | |||
1369 | if (Val->getType() == Ty) | |||
1370 | return Val; | |||
1371 | // For calls we also accept variables in the program address space. | |||
1372 | Type *SuggestedTy = Ty; | |||
1373 | if (IsCall && isa<PointerType>(Ty)) { | |||
1374 | Type *TyInProgAS = cast<PointerType>(Ty)->getElementType()->getPointerTo( | |||
1375 | M->getDataLayout().getProgramAddressSpace()); | |||
1376 | SuggestedTy = TyInProgAS; | |||
1377 | if (Val->getType() == TyInProgAS) | |||
1378 | return Val; | |||
1379 | } | |||
1380 | if (Ty->isLabelTy()) | |||
1381 | Error(Loc, "'" + Name + "' is not a basic block"); | |||
1382 | else | |||
1383 | Error(Loc, "'" + Name + "' defined with type '" + | |||
1384 | getTypeString(Val->getType()) + "' but expected '" + | |||
1385 | getTypeString(SuggestedTy) + "'"); | |||
1386 | return nullptr; | |||
1387 | } | |||
1388 | ||||
1389 | /// GetGlobalVal - Get a value with the specified name or ID, creating a | |||
1390 | /// forward reference record if needed. This can return null if the value | |||
1391 | /// exists but does not have the right type. | |||
1392 | GlobalValue *LLParser::GetGlobalVal(const std::string &Name, Type *Ty, | |||
1393 | LocTy Loc, bool IsCall) { | |||
1394 | PointerType *PTy = dyn_cast<PointerType>(Ty); | |||
1395 | if (!PTy) { | |||
1396 | Error(Loc, "global variable reference must have pointer type"); | |||
1397 | return nullptr; | |||
1398 | } | |||
1399 | ||||
1400 | // Look this name up in the normal function symbol table. | |||
1401 | GlobalValue *Val = | |||
1402 | cast_or_null<GlobalValue>(M->getValueSymbolTable().lookup(Name)); | |||
1403 | ||||
1404 | // If this is a forward reference for the value, see if we already created a | |||
1405 | // forward ref record. | |||
1406 | if (!Val) { | |||
1407 | auto I = ForwardRefVals.find(Name); | |||
1408 | if (I != ForwardRefVals.end()) | |||
1409 | Val = I->second.first; | |||
1410 | } | |||
1411 | ||||
1412 | // If we have the value in the symbol table or fwd-ref table, return it. | |||
1413 | if (Val) | |||
1414 | return cast_or_null<GlobalValue>( | |||
1415 | checkValidVariableType(Loc, "@" + Name, Ty, Val, IsCall)); | |||
1416 | ||||
1417 | // Otherwise, create a new forward reference for this value and remember it. | |||
1418 | GlobalValue *FwdVal = createGlobalFwdRef(M, PTy, Name); | |||
1419 | ForwardRefVals[Name] = std::make_pair(FwdVal, Loc); | |||
1420 | return FwdVal; | |||
1421 | } | |||
1422 | ||||
1423 | GlobalValue *LLParser::GetGlobalVal(unsigned ID, Type *Ty, LocTy Loc, | |||
1424 | bool IsCall) { | |||
1425 | PointerType *PTy = dyn_cast<PointerType>(Ty); | |||
1426 | if (!PTy) { | |||
1427 | Error(Loc, "global variable reference must have pointer type"); | |||
1428 | return nullptr; | |||
1429 | } | |||
1430 | ||||
1431 | GlobalValue *Val = ID < NumberedVals.size() ? NumberedVals[ID] : nullptr; | |||
1432 | ||||
1433 | // If this is a forward reference for the value, see if we already created a | |||
1434 | // forward ref record. | |||
1435 | if (!Val) { | |||
1436 | auto I = ForwardRefValIDs.find(ID); | |||
1437 | if (I != ForwardRefValIDs.end()) | |||
1438 | Val = I->second.first; | |||
1439 | } | |||
1440 | ||||
1441 | // If we have the value in the symbol table or fwd-ref table, return it. | |||
1442 | if (Val) | |||
1443 | return cast_or_null<GlobalValue>( | |||
1444 | checkValidVariableType(Loc, "@" + Twine(ID), Ty, Val, IsCall)); | |||
1445 | ||||
1446 | // Otherwise, create a new forward reference for this value and remember it. | |||
1447 | GlobalValue *FwdVal = createGlobalFwdRef(M, PTy, ""); | |||
1448 | ForwardRefValIDs[ID] = std::make_pair(FwdVal, Loc); | |||
1449 | return FwdVal; | |||
1450 | } | |||
1451 | ||||
1452 | //===----------------------------------------------------------------------===// | |||
1453 | // Comdat Reference/Resolution Routines. | |||
1454 | //===----------------------------------------------------------------------===// | |||
1455 | ||||
1456 | Comdat *LLParser::getComdat(const std::string &Name, LocTy Loc) { | |||
1457 | // Look this name up in the comdat symbol table. | |||
1458 | Module::ComdatSymTabType &ComdatSymTab = M->getComdatSymbolTable(); | |||
1459 | Module::ComdatSymTabType::iterator I = ComdatSymTab.find(Name); | |||
1460 | if (I != ComdatSymTab.end()) | |||
1461 | return &I->second; | |||
1462 | ||||
1463 | // Otherwise, create a new forward reference for this value and remember it. | |||
1464 | Comdat *C = M->getOrInsertComdat(Name); | |||
1465 | ForwardRefComdats[Name] = Loc; | |||
1466 | return C; | |||
1467 | } | |||
1468 | ||||
1469 | //===----------------------------------------------------------------------===// | |||
1470 | // Helper Routines. | |||
1471 | //===----------------------------------------------------------------------===// | |||
1472 | ||||
1473 | /// ParseToken - If the current token has the specified kind, eat it and return | |||
1474 | /// success. Otherwise, emit the specified error and return failure. | |||
1475 | bool LLParser::ParseToken(lltok::Kind T, const char *ErrMsg) { | |||
1476 | if (Lex.getKind() != T) | |||
1477 | return TokError(ErrMsg); | |||
1478 | Lex.Lex(); | |||
1479 | return false; | |||
1480 | } | |||
1481 | ||||
1482 | /// ParseStringConstant | |||
1483 | /// ::= StringConstant | |||
1484 | bool LLParser::ParseStringConstant(std::string &Result) { | |||
1485 | if (Lex.getKind() != lltok::StringConstant) | |||
1486 | return TokError("expected string constant"); | |||
1487 | Result = Lex.getStrVal(); | |||
1488 | Lex.Lex(); | |||
1489 | return false; | |||
1490 | } | |||
1491 | ||||
1492 | /// ParseUInt32 | |||
1493 | /// ::= uint32 | |||
1494 | bool LLParser::ParseUInt32(uint32_t &Val) { | |||
1495 | if (Lex.getKind() != lltok::APSInt || Lex.getAPSIntVal().isSigned()) | |||
1496 | return TokError("expected integer"); | |||
1497 | uint64_t Val64 = Lex.getAPSIntVal().getLimitedValue(0xFFFFFFFFULL+1); | |||
1498 | if (Val64 != unsigned(Val64)) | |||
1499 | return TokError("expected 32-bit integer (too large)"); | |||
1500 | Val = Val64; | |||
1501 | Lex.Lex(); | |||
1502 | return false; | |||
1503 | } | |||
1504 | ||||
1505 | /// ParseUInt64 | |||
1506 | /// ::= uint64 | |||
1507 | bool LLParser::ParseUInt64(uint64_t &Val) { | |||
1508 | if (Lex.getKind() != lltok::APSInt || Lex.getAPSIntVal().isSigned()) | |||
1509 | return TokError("expected integer"); | |||
1510 | Val = Lex.getAPSIntVal().getLimitedValue(); | |||
1511 | Lex.Lex(); | |||
1512 | return false; | |||
1513 | } | |||
1514 | ||||
1515 | /// ParseTLSModel | |||
1516 | /// := 'localdynamic' | |||
1517 | /// := 'initialexec' | |||
1518 | /// := 'localexec' | |||
1519 | bool LLParser::ParseTLSModel(GlobalVariable::ThreadLocalMode &TLM) { | |||
1520 | switch (Lex.getKind()) { | |||
1521 | default: | |||
1522 | return TokError("expected localdynamic, initialexec or localexec"); | |||
1523 | case lltok::kw_localdynamic: | |||
1524 | TLM = GlobalVariable::LocalDynamicTLSModel; | |||
1525 | break; | |||
1526 | case lltok::kw_initialexec: | |||
1527 | TLM = GlobalVariable::InitialExecTLSModel; | |||
1528 | break; | |||
1529 | case lltok::kw_localexec: | |||
1530 | TLM = GlobalVariable::LocalExecTLSModel; | |||
1531 | break; | |||
1532 | } | |||
1533 | ||||
1534 | Lex.Lex(); | |||
1535 | return false; | |||
1536 | } | |||
1537 | ||||
1538 | /// ParseOptionalThreadLocal | |||
1539 | /// := /*empty*/ | |||
1540 | /// := 'thread_local' | |||
1541 | /// := 'thread_local' '(' tlsmodel ')' | |||
1542 | bool LLParser::ParseOptionalThreadLocal(GlobalVariable::ThreadLocalMode &TLM) { | |||
1543 | TLM = GlobalVariable::NotThreadLocal; | |||
1544 | if (!EatIfPresent(lltok::kw_thread_local)) | |||
1545 | return false; | |||
1546 | ||||
1547 | TLM = GlobalVariable::GeneralDynamicTLSModel; | |||
1548 | if (Lex.getKind() == lltok::lparen) { | |||
1549 | Lex.Lex(); | |||
1550 | return ParseTLSModel(TLM) || | |||
1551 | ParseToken(lltok::rparen, "expected ')' after thread local model"); | |||
1552 | } | |||
1553 | return false; | |||
1554 | } | |||
1555 | ||||
1556 | /// ParseOptionalAddrSpace | |||
1557 | /// := /*empty*/ | |||
1558 | /// := 'addrspace' '(' uint32 ')' | |||
1559 | bool LLParser::ParseOptionalAddrSpace(unsigned &AddrSpace, unsigned DefaultAS) { | |||
1560 | AddrSpace = DefaultAS; | |||
1561 | if (!EatIfPresent(lltok::kw_addrspace)) | |||
1562 | return false; | |||
1563 | return ParseToken(lltok::lparen, "expected '(' in address space") || | |||
1564 | ParseUInt32(AddrSpace) || | |||
1565 | ParseToken(lltok::rparen, "expected ')' in address space"); | |||
1566 | } | |||
1567 | ||||
1568 | /// ParseStringAttribute | |||
1569 | /// := StringConstant | |||
1570 | /// := StringConstant '=' StringConstant | |||
1571 | bool LLParser::ParseStringAttribute(AttrBuilder &B) { | |||
1572 | std::string Attr = Lex.getStrVal(); | |||
1573 | Lex.Lex(); | |||
1574 | std::string Val; | |||
1575 | if (EatIfPresent(lltok::equal) && ParseStringConstant(Val)) | |||
1576 | return true; | |||
1577 | B.addAttribute(Attr, Val); | |||
1578 | return false; | |||
1579 | } | |||
1580 | ||||
1581 | /// ParseOptionalParamAttrs - Parse a potentially empty list of parameter attributes. | |||
1582 | bool LLParser::ParseOptionalParamAttrs(AttrBuilder &B) { | |||
1583 | bool HaveError = false; | |||
1584 | ||||
1585 | B.clear(); | |||
1586 | ||||
1587 | while (true) { | |||
1588 | lltok::Kind Token = Lex.getKind(); | |||
1589 | switch (Token) { | |||
1590 | default: // End of attributes. | |||
1591 | return HaveError; | |||
1592 | case lltok::StringConstant: { | |||
1593 | if (ParseStringAttribute(B)) | |||
1594 | return true; | |||
1595 | continue; | |||
1596 | } | |||
1597 | case lltok::kw_align: { | |||
1598 | unsigned Alignment; | |||
1599 | if (ParseOptionalAlignment(Alignment)) | |||
1600 | return true; | |||
1601 | B.addAlignmentAttr(Alignment); | |||
1602 | continue; | |||
1603 | } | |||
1604 | case lltok::kw_byval: { | |||
1605 | Type *Ty; | |||
1606 | if (ParseByValWithOptionalType(Ty)) | |||
1607 | return true; | |||
1608 | B.addByValAttr(Ty); | |||
1609 | continue; | |||
1610 | } | |||
1611 | case lltok::kw_dereferenceable: { | |||
1612 | uint64_t Bytes; | |||
1613 | if (ParseOptionalDerefAttrBytes(lltok::kw_dereferenceable, Bytes)) | |||
1614 | return true; | |||
1615 | B.addDereferenceableAttr(Bytes); | |||
1616 | continue; | |||
1617 | } | |||
1618 | case lltok::kw_dereferenceable_or_null: { | |||
1619 | uint64_t Bytes; | |||
1620 | if (ParseOptionalDerefAttrBytes(lltok::kw_dereferenceable_or_null, Bytes)) | |||
1621 | return true; | |||
1622 | B.addDereferenceableOrNullAttr(Bytes); | |||
1623 | continue; | |||
1624 | } | |||
1625 | case lltok::kw_inalloca: B.addAttribute(Attribute::InAlloca); break; | |||
1626 | case lltok::kw_inreg: B.addAttribute(Attribute::InReg); break; | |||
1627 | case lltok::kw_nest: B.addAttribute(Attribute::Nest); break; | |||
1628 | case lltok::kw_noalias: B.addAttribute(Attribute::NoAlias); break; | |||
1629 | case lltok::kw_nocapture: B.addAttribute(Attribute::NoCapture); break; | |||
1630 | case lltok::kw_nonnull: B.addAttribute(Attribute::NonNull); break; | |||
1631 | case lltok::kw_readnone: B.addAttribute(Attribute::ReadNone); break; | |||
1632 | case lltok::kw_readonly: B.addAttribute(Attribute::ReadOnly); break; | |||
1633 | case lltok::kw_returned: B.addAttribute(Attribute::Returned); break; | |||
1634 | case lltok::kw_signext: B.addAttribute(Attribute::SExt); break; | |||
1635 | case lltok::kw_sret: B.addAttribute(Attribute::StructRet); break; | |||
1636 | case lltok::kw_swifterror: B.addAttribute(Attribute::SwiftError); break; | |||
1637 | case lltok::kw_swiftself: B.addAttribute(Attribute::SwiftSelf); break; | |||
1638 | case lltok::kw_writeonly: B.addAttribute(Attribute::WriteOnly); break; | |||
1639 | case lltok::kw_zeroext: B.addAttribute(Attribute::ZExt); break; | |||
1640 | case lltok::kw_immarg: B.addAttribute(Attribute::ImmArg); break; | |||
1641 | ||||
1642 | case lltok::kw_alignstack: | |||
1643 | case lltok::kw_alwaysinline: | |||
1644 | case lltok::kw_argmemonly: | |||
1645 | case lltok::kw_builtin: | |||
1646 | case lltok::kw_inlinehint: | |||
1647 | case lltok::kw_jumptable: | |||
1648 | case lltok::kw_minsize: | |||
1649 | case lltok::kw_naked: | |||
1650 | case lltok::kw_nobuiltin: | |||
1651 | case lltok::kw_noduplicate: | |||
1652 | case lltok::kw_noimplicitfloat: | |||
1653 | case lltok::kw_noinline: | |||
1654 | case lltok::kw_nonlazybind: | |||
1655 | case lltok::kw_noredzone: | |||
1656 | case lltok::kw_noreturn: | |||
1657 | case lltok::kw_nocf_check: | |||
1658 | case lltok::kw_nounwind: | |||
1659 | case lltok::kw_optforfuzzing: | |||
1660 | case lltok::kw_optnone: | |||
1661 | case lltok::kw_optsize: | |||
1662 | case lltok::kw_returns_twice: | |||
1663 | case lltok::kw_sanitize_address: | |||
1664 | case lltok::kw_sanitize_hwaddress: | |||
1665 | case lltok::kw_sanitize_memory: | |||
1666 | case lltok::kw_sanitize_thread: | |||
1667 | case lltok::kw_speculative_load_hardening: | |||
1668 | case lltok::kw_ssp: | |||
1669 | case lltok::kw_sspreq: | |||
1670 | case lltok::kw_sspstrong: | |||
1671 | case lltok::kw_safestack: | |||
1672 | case lltok::kw_shadowcallstack: | |||
1673 | case lltok::kw_strictfp: | |||
1674 | case lltok::kw_uwtable: | |||
1675 | HaveError |= Error(Lex.getLoc(), "invalid use of function-only attribute"); | |||
1676 | break; | |||
1677 | } | |||
1678 | ||||
1679 | Lex.Lex(); | |||
1680 | } | |||
1681 | } | |||
1682 | ||||
1683 | /// ParseOptionalReturnAttrs - Parse a potentially empty list of return attributes. | |||
1684 | bool LLParser::ParseOptionalReturnAttrs(AttrBuilder &B) { | |||
1685 | bool HaveError = false; | |||
1686 | ||||
1687 | B.clear(); | |||
1688 | ||||
1689 | while (true) { | |||
1690 | lltok::Kind Token = Lex.getKind(); | |||
1691 | switch (Token) { | |||
1692 | default: // End of attributes. | |||
1693 | return HaveError; | |||
1694 | case lltok::StringConstant: { | |||
1695 | if (ParseStringAttribute(B)) | |||
1696 | return true; | |||
1697 | continue; | |||
1698 | } | |||
1699 | case lltok::kw_dereferenceable: { | |||
1700 | uint64_t Bytes; | |||
1701 | if (ParseOptionalDerefAttrBytes(lltok::kw_dereferenceable, Bytes)) | |||
1702 | return true; | |||
1703 | B.addDereferenceableAttr(Bytes); | |||
1704 | continue; | |||
1705 | } | |||
1706 | case lltok::kw_dereferenceable_or_null: { | |||
1707 | uint64_t Bytes; | |||
1708 | if (ParseOptionalDerefAttrBytes(lltok::kw_dereferenceable_or_null, Bytes)) | |||
1709 | return true; | |||
1710 | B.addDereferenceableOrNullAttr(Bytes); | |||
1711 | continue; | |||
1712 | } | |||
1713 | case lltok::kw_align: { | |||
1714 | unsigned Alignment; | |||
1715 | if (ParseOptionalAlignment(Alignment)) | |||
1716 | return true; | |||
1717 | B.addAlignmentAttr(Alignment); | |||
1718 | continue; | |||
1719 | } | |||
1720 | case lltok::kw_inreg: B.addAttribute(Attribute::InReg); break; | |||
1721 | case lltok::kw_noalias: B.addAttribute(Attribute::NoAlias); break; | |||
1722 | case lltok::kw_nonnull: B.addAttribute(Attribute::NonNull); break; | |||
1723 | case lltok::kw_signext: B.addAttribute(Attribute::SExt); break; | |||
1724 | case lltok::kw_zeroext: B.addAttribute(Attribute::ZExt); break; | |||
1725 | ||||
1726 | // Error handling. | |||
1727 | case lltok::kw_byval: | |||
1728 | case lltok::kw_inalloca: | |||
1729 | case lltok::kw_nest: | |||
1730 | case lltok::kw_nocapture: | |||
1731 | case lltok::kw_returned: | |||
1732 | case lltok::kw_sret: | |||
1733 | case lltok::kw_swifterror: | |||
1734 | case lltok::kw_swiftself: | |||
1735 | case lltok::kw_immarg: | |||
1736 | HaveError |= Error(Lex.getLoc(), "invalid use of parameter-only attribute"); | |||
1737 | break; | |||
1738 | ||||
1739 | case lltok::kw_alignstack: | |||
1740 | case lltok::kw_alwaysinline: | |||
1741 | case lltok::kw_argmemonly: | |||
1742 | case lltok::kw_builtin: | |||
1743 | case lltok::kw_cold: | |||
1744 | case lltok::kw_inlinehint: | |||
1745 | case lltok::kw_jumptable: | |||
1746 | case lltok::kw_minsize: | |||
1747 | case lltok::kw_naked: | |||
1748 | case lltok::kw_nobuiltin: | |||
1749 | case lltok::kw_noduplicate: | |||
1750 | case lltok::kw_noimplicitfloat: | |||
1751 | case lltok::kw_noinline: | |||
1752 | case lltok::kw_nonlazybind: | |||
1753 | case lltok::kw_noredzone: | |||
1754 | case lltok::kw_noreturn: | |||
1755 | case lltok::kw_nocf_check: | |||
1756 | case lltok::kw_nounwind: | |||
1757 | case lltok::kw_optforfuzzing: | |||
1758 | case lltok::kw_optnone: | |||
1759 | case lltok::kw_optsize: | |||
1760 | case lltok::kw_returns_twice: | |||
1761 | case lltok::kw_sanitize_address: | |||
1762 | case lltok::kw_sanitize_hwaddress: | |||
1763 | case lltok::kw_sanitize_memory: | |||
1764 | case lltok::kw_sanitize_thread: | |||
1765 | case lltok::kw_speculative_load_hardening: | |||
1766 | case lltok::kw_ssp: | |||
1767 | case lltok::kw_sspreq: | |||
1768 | case lltok::kw_sspstrong: | |||
1769 | case lltok::kw_safestack: | |||
1770 | case lltok::kw_shadowcallstack: | |||
1771 | case lltok::kw_strictfp: | |||
1772 | case lltok::kw_uwtable: | |||
1773 | HaveError |= Error(Lex.getLoc(), "invalid use of function-only attribute"); | |||
1774 | break; | |||
1775 | ||||
1776 | case lltok::kw_readnone: | |||
1777 | case lltok::kw_readonly: | |||
1778 | HaveError |= Error(Lex.getLoc(), "invalid use of attribute on return type"); | |||
1779 | } | |||
1780 | ||||
1781 | Lex.Lex(); | |||
1782 | } | |||
1783 | } | |||
1784 | ||||
1785 | static unsigned parseOptionalLinkageAux(lltok::Kind Kind, bool &HasLinkage) { | |||
1786 | HasLinkage = true; | |||
1787 | switch (Kind) { | |||
1788 | default: | |||
1789 | HasLinkage = false; | |||
1790 | return GlobalValue::ExternalLinkage; | |||
1791 | case lltok::kw_private: | |||
1792 | return GlobalValue::PrivateLinkage; | |||
1793 | case lltok::kw_internal: | |||
1794 | return GlobalValue::InternalLinkage; | |||
1795 | case lltok::kw_weak: | |||
1796 | return GlobalValue::WeakAnyLinkage; | |||
1797 | case lltok::kw_weak_odr: | |||
1798 | return GlobalValue::WeakODRLinkage; | |||
1799 | case lltok::kw_linkonce: | |||
1800 | return GlobalValue::LinkOnceAnyLinkage; | |||
1801 | case lltok::kw_linkonce_odr: | |||
1802 | return GlobalValue::LinkOnceODRLinkage; | |||
1803 | case lltok::kw_available_externally: | |||
1804 | return GlobalValue::AvailableExternallyLinkage; | |||
1805 | case lltok::kw_appending: | |||
1806 | return GlobalValue::AppendingLinkage; | |||
1807 | case lltok::kw_common: | |||
1808 | return GlobalValue::CommonLinkage; | |||
1809 | case lltok::kw_extern_weak: | |||
1810 | return GlobalValue::ExternalWeakLinkage; | |||
1811 | case lltok::kw_external: | |||
1812 | return GlobalValue::ExternalLinkage; | |||
1813 | } | |||
1814 | } | |||
1815 | ||||
1816 | /// ParseOptionalLinkage | |||
1817 | /// ::= /*empty*/ | |||
1818 | /// ::= 'private' | |||
1819 | /// ::= 'internal' | |||
1820 | /// ::= 'weak' | |||
1821 | /// ::= 'weak_odr' | |||
1822 | /// ::= 'linkonce' | |||
1823 | /// ::= 'linkonce_odr' | |||
1824 | /// ::= 'available_externally' | |||
1825 | /// ::= 'appending' | |||
1826 | /// ::= 'common' | |||
1827 | /// ::= 'extern_weak' | |||
1828 | /// ::= 'external' | |||
1829 | bool LLParser::ParseOptionalLinkage(unsigned &Res, bool &HasLinkage, | |||
1830 | unsigned &Visibility, | |||
1831 | unsigned &DLLStorageClass, | |||
1832 | bool &DSOLocal) { | |||
1833 | Res = parseOptionalLinkageAux(Lex.getKind(), HasLinkage); | |||
1834 | if (HasLinkage) | |||
1835 | Lex.Lex(); | |||
1836 | ParseOptionalDSOLocal(DSOLocal); | |||
1837 | ParseOptionalVisibility(Visibility); | |||
1838 | ParseOptionalDLLStorageClass(DLLStorageClass); | |||
1839 | ||||
1840 | if (DSOLocal && DLLStorageClass == GlobalValue::DLLImportStorageClass) { | |||
1841 | return Error(Lex.getLoc(), "dso_location and DLL-StorageClass mismatch"); | |||
1842 | } | |||
1843 | ||||
1844 | return false; | |||
1845 | } | |||
1846 | ||||
1847 | void LLParser::ParseOptionalDSOLocal(bool &DSOLocal) { | |||
1848 | switch (Lex.getKind()) { | |||
1849 | default: | |||
1850 | DSOLocal = false; | |||
1851 | break; | |||
1852 | case lltok::kw_dso_local: | |||
1853 | DSOLocal = true; | |||
1854 | Lex.Lex(); | |||
1855 | break; | |||
1856 | case lltok::kw_dso_preemptable: | |||
1857 | DSOLocal = false; | |||
1858 | Lex.Lex(); | |||
1859 | break; | |||
1860 | } | |||
1861 | } | |||
1862 | ||||
1863 | /// ParseOptionalVisibility | |||
1864 | /// ::= /*empty*/ | |||
1865 | /// ::= 'default' | |||
1866 | /// ::= 'hidden' | |||
1867 | /// ::= 'protected' | |||
1868 | /// | |||
1869 | void LLParser::ParseOptionalVisibility(unsigned &Res) { | |||
1870 | switch (Lex.getKind()) { | |||
1871 | default: | |||
1872 | Res = GlobalValue::DefaultVisibility; | |||
1873 | return; | |||
1874 | case lltok::kw_default: | |||
1875 | Res = GlobalValue::DefaultVisibility; | |||
1876 | break; | |||
1877 | case lltok::kw_hidden: | |||
1878 | Res = GlobalValue::HiddenVisibility; | |||
1879 | break; | |||
1880 | case lltok::kw_protected: | |||
1881 | Res = GlobalValue::ProtectedVisibility; | |||
1882 | break; | |||
1883 | } | |||
1884 | Lex.Lex(); | |||
1885 | } | |||
1886 | ||||
1887 | /// ParseOptionalDLLStorageClass | |||
1888 | /// ::= /*empty*/ | |||
1889 | /// ::= 'dllimport' | |||
1890 | /// ::= 'dllexport' | |||
1891 | /// | |||
1892 | void LLParser::ParseOptionalDLLStorageClass(unsigned &Res) { | |||
1893 | switch (Lex.getKind()) { | |||
1894 | default: | |||
1895 | Res = GlobalValue::DefaultStorageClass; | |||
1896 | return; | |||
1897 | case lltok::kw_dllimport: | |||
1898 | Res = GlobalValue::DLLImportStorageClass; | |||
1899 | break; | |||
1900 | case lltok::kw_dllexport: | |||
1901 | Res = GlobalValue::DLLExportStorageClass; | |||
1902 | break; | |||
1903 | } | |||
1904 | Lex.Lex(); | |||
1905 | } | |||
1906 | ||||
1907 | /// ParseOptionalCallingConv | |||
1908 | /// ::= /*empty*/ | |||
1909 | /// ::= 'ccc' | |||
1910 | /// ::= 'fastcc' | |||
1911 | /// ::= 'intel_ocl_bicc' | |||
1912 | /// ::= 'coldcc' | |||
1913 | /// ::= 'x86_stdcallcc' | |||
1914 | /// ::= 'x86_fastcallcc' | |||
1915 | /// ::= 'x86_thiscallcc' | |||
1916 | /// ::= 'x86_vectorcallcc' | |||
1917 | /// ::= 'arm_apcscc' | |||
1918 | /// ::= 'arm_aapcscc' | |||
1919 | /// ::= 'arm_aapcs_vfpcc' | |||
1920 | /// ::= 'aarch64_vector_pcs' | |||
1921 | /// ::= 'msp430_intrcc' | |||
1922 | /// ::= 'avr_intrcc' | |||
1923 | /// ::= 'avr_signalcc' | |||
1924 | /// ::= 'ptx_kernel' | |||
1925 | /// ::= 'ptx_device' | |||
1926 | /// ::= 'spir_func' | |||
1927 | /// ::= 'spir_kernel' | |||
1928 | /// ::= 'x86_64_sysvcc' | |||
1929 | /// ::= 'win64cc' | |||
1930 | /// ::= 'webkit_jscc' | |||
1931 | /// ::= 'anyregcc' | |||
1932 | /// ::= 'preserve_mostcc' | |||
1933 | /// ::= 'preserve_allcc' | |||
1934 | /// ::= 'ghccc' | |||
1935 | /// ::= 'swiftcc' | |||
1936 | /// ::= 'x86_intrcc' | |||
1937 | /// ::= 'hhvmcc' | |||
1938 | /// ::= 'hhvm_ccc' | |||
1939 | /// ::= 'cxx_fast_tlscc' | |||
1940 | /// ::= 'amdgpu_vs' | |||
1941 | /// ::= 'amdgpu_ls' | |||
1942 | /// ::= 'amdgpu_hs' | |||
1943 | /// ::= 'amdgpu_es' | |||
1944 | /// ::= 'amdgpu_gs' | |||
1945 | /// ::= 'amdgpu_ps' | |||
1946 | /// ::= 'amdgpu_cs' | |||
1947 | /// ::= 'amdgpu_kernel' | |||
1948 | /// ::= 'cc' UINT | |||
1949 | /// | |||
1950 | bool LLParser::ParseOptionalCallingConv(unsigned &CC) { | |||
1951 | switch (Lex.getKind()) { | |||
1952 | default: CC = CallingConv::C; return false; | |||
1953 | case lltok::kw_ccc: CC = CallingConv::C; break; | |||
1954 | case lltok::kw_fastcc: CC = CallingConv::Fast; break; | |||
1955 | case lltok::kw_coldcc: CC = CallingConv::Cold; break; | |||
1956 | case lltok::kw_x86_stdcallcc: CC = CallingConv::X86_StdCall; break; | |||
1957 | case lltok::kw_x86_fastcallcc: CC = CallingConv::X86_FastCall; break; | |||
1958 | case lltok::kw_x86_regcallcc: CC = CallingConv::X86_RegCall; break; | |||
1959 | case lltok::kw_x86_thiscallcc: CC = CallingConv::X86_ThisCall; break; | |||
1960 | case lltok::kw_x86_vectorcallcc:CC = CallingConv::X86_VectorCall; break; | |||
1961 | case lltok::kw_arm_apcscc: CC = CallingConv::ARM_APCS; break; | |||
1962 | case lltok::kw_arm_aapcscc: CC = CallingConv::ARM_AAPCS; break; | |||
1963 | case lltok::kw_arm_aapcs_vfpcc:CC = CallingConv::ARM_AAPCS_VFP; break; | |||
1964 | case lltok::kw_aarch64_vector_pcs:CC = CallingConv::AArch64_VectorCall; break; | |||
1965 | case lltok::kw_msp430_intrcc: CC = CallingConv::MSP430_INTR; break; | |||
1966 | case lltok::kw_avr_intrcc: CC = CallingConv::AVR_INTR; break; | |||
1967 | case lltok::kw_avr_signalcc: CC = CallingConv::AVR_SIGNAL; break; | |||
1968 | case lltok::kw_ptx_kernel: CC = CallingConv::PTX_Kernel; break; | |||
1969 | case lltok::kw_ptx_device: CC = CallingConv::PTX_Device; break; | |||
1970 | case lltok::kw_spir_kernel: CC = CallingConv::SPIR_KERNEL; break; | |||
1971 | case lltok::kw_spir_func: CC = CallingConv::SPIR_FUNC; break; | |||
1972 | case lltok::kw_intel_ocl_bicc: CC = CallingConv::Intel_OCL_BI; break; | |||
1973 | case lltok::kw_x86_64_sysvcc: CC = CallingConv::X86_64_SysV; break; | |||
1974 | case lltok::kw_win64cc: CC = CallingConv::Win64; break; | |||
1975 | case lltok::kw_webkit_jscc: CC = CallingConv::WebKit_JS; break; | |||
1976 | case lltok::kw_anyregcc: CC = CallingConv::AnyReg; break; | |||
1977 | case lltok::kw_preserve_mostcc:CC = CallingConv::PreserveMost; break; | |||
1978 | case lltok::kw_preserve_allcc: CC = CallingConv::PreserveAll; break; | |||
1979 | case lltok::kw_ghccc: CC = CallingConv::GHC; break; | |||
1980 | case lltok::kw_swiftcc: CC = CallingConv::Swift; break; | |||
1981 | case lltok::kw_x86_intrcc: CC = CallingConv::X86_INTR; break; | |||
1982 | case lltok::kw_hhvmcc: CC = CallingConv::HHVM; break; | |||
1983 | case lltok::kw_hhvm_ccc: CC = CallingConv::HHVM_C; break; | |||
1984 | case lltok::kw_cxx_fast_tlscc: CC = CallingConv::CXX_FAST_TLS; break; | |||
1985 | case lltok::kw_amdgpu_vs: CC = CallingConv::AMDGPU_VS; break; | |||
1986 | case lltok::kw_amdgpu_ls: CC = CallingConv::AMDGPU_LS; break; | |||
1987 | case lltok::kw_amdgpu_hs: CC = CallingConv::AMDGPU_HS; break; | |||
1988 | case lltok::kw_amdgpu_es: CC = CallingConv::AMDGPU_ES; break; | |||
1989 | case lltok::kw_amdgpu_gs: CC = CallingConv::AMDGPU_GS; break; | |||
1990 | case lltok::kw_amdgpu_ps: CC = CallingConv::AMDGPU_PS; break; | |||
1991 | case lltok::kw_amdgpu_cs: CC = CallingConv::AMDGPU_CS; break; | |||
1992 | case lltok::kw_amdgpu_kernel: CC = CallingConv::AMDGPU_KERNEL; break; | |||
1993 | case lltok::kw_cc: { | |||
1994 | Lex.Lex(); | |||
1995 | return ParseUInt32(CC); | |||
1996 | } | |||
1997 | } | |||
1998 | ||||
1999 | Lex.Lex(); | |||
2000 | return false; | |||
2001 | } | |||
2002 | ||||
2003 | /// ParseMetadataAttachment | |||
2004 | /// ::= !dbg !42 | |||
2005 | bool LLParser::ParseMetadataAttachment(unsigned &Kind, MDNode *&MD) { | |||
2006 | assert(Lex.getKind() == lltok::MetadataVar && "Expected metadata attachment")((Lex.getKind() == lltok::MetadataVar && "Expected metadata attachment" ) ? static_cast<void> (0) : __assert_fail ("Lex.getKind() == lltok::MetadataVar && \"Expected metadata attachment\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 2006, __PRETTY_FUNCTION__)); | |||
2007 | ||||
2008 | std::string Name = Lex.getStrVal(); | |||
2009 | Kind = M->getMDKindID(Name); | |||
2010 | Lex.Lex(); | |||
2011 | ||||
2012 | return ParseMDNode(MD); | |||
2013 | } | |||
2014 | ||||
2015 | /// ParseInstructionMetadata | |||
2016 | /// ::= !dbg !42 (',' !dbg !57)* | |||
2017 | bool LLParser::ParseInstructionMetadata(Instruction &Inst) { | |||
2018 | do { | |||
2019 | if (Lex.getKind() != lltok::MetadataVar) | |||
2020 | return TokError("expected metadata after comma"); | |||
2021 | ||||
2022 | unsigned MDK; | |||
2023 | MDNode *N; | |||
2024 | if (ParseMetadataAttachment(MDK, N)) | |||
2025 | return true; | |||
2026 | ||||
2027 | Inst.setMetadata(MDK, N); | |||
2028 | if (MDK == LLVMContext::MD_tbaa) | |||
2029 | InstsWithTBAATag.push_back(&Inst); | |||
2030 | ||||
2031 | // If this is the end of the list, we're done. | |||
2032 | } while (EatIfPresent(lltok::comma)); | |||
2033 | return false; | |||
2034 | } | |||
2035 | ||||
2036 | /// ParseGlobalObjectMetadataAttachment | |||
2037 | /// ::= !dbg !57 | |||
2038 | bool LLParser::ParseGlobalObjectMetadataAttachment(GlobalObject &GO) { | |||
2039 | unsigned MDK; | |||
2040 | MDNode *N; | |||
2041 | if (ParseMetadataAttachment(MDK, N)) | |||
2042 | return true; | |||
2043 | ||||
2044 | GO.addMetadata(MDK, *N); | |||
2045 | return false; | |||
2046 | } | |||
2047 | ||||
2048 | /// ParseOptionalFunctionMetadata | |||
2049 | /// ::= (!dbg !57)* | |||
2050 | bool LLParser::ParseOptionalFunctionMetadata(Function &F) { | |||
2051 | while (Lex.getKind() == lltok::MetadataVar) | |||
2052 | if (ParseGlobalObjectMetadataAttachment(F)) | |||
2053 | return true; | |||
2054 | return false; | |||
2055 | } | |||
2056 | ||||
2057 | /// ParseOptionalAlignment | |||
2058 | /// ::= /* empty */ | |||
2059 | /// ::= 'align' 4 | |||
2060 | bool LLParser::ParseOptionalAlignment(unsigned &Alignment) { | |||
2061 | Alignment = 0; | |||
2062 | if (!EatIfPresent(lltok::kw_align)) | |||
2063 | return false; | |||
2064 | LocTy AlignLoc = Lex.getLoc(); | |||
2065 | if (ParseUInt32(Alignment)) return true; | |||
2066 | if (!isPowerOf2_32(Alignment)) | |||
2067 | return Error(AlignLoc, "alignment is not a power of two"); | |||
2068 | if (Alignment > Value::MaximumAlignment) | |||
2069 | return Error(AlignLoc, "huge alignments are not supported yet"); | |||
2070 | return false; | |||
2071 | } | |||
2072 | ||||
2073 | /// ParseOptionalDerefAttrBytes | |||
2074 | /// ::= /* empty */ | |||
2075 | /// ::= AttrKind '(' 4 ')' | |||
2076 | /// | |||
2077 | /// where AttrKind is either 'dereferenceable' or 'dereferenceable_or_null'. | |||
2078 | bool LLParser::ParseOptionalDerefAttrBytes(lltok::Kind AttrKind, | |||
2079 | uint64_t &Bytes) { | |||
2080 | assert((AttrKind == lltok::kw_dereferenceable ||(((AttrKind == lltok::kw_dereferenceable || AttrKind == lltok ::kw_dereferenceable_or_null) && "contract!") ? static_cast <void> (0) : __assert_fail ("(AttrKind == lltok::kw_dereferenceable || AttrKind == lltok::kw_dereferenceable_or_null) && \"contract!\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 2082, __PRETTY_FUNCTION__)) | |||
2081 | AttrKind == lltok::kw_dereferenceable_or_null) &&(((AttrKind == lltok::kw_dereferenceable || AttrKind == lltok ::kw_dereferenceable_or_null) && "contract!") ? static_cast <void> (0) : __assert_fail ("(AttrKind == lltok::kw_dereferenceable || AttrKind == lltok::kw_dereferenceable_or_null) && \"contract!\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 2082, __PRETTY_FUNCTION__)) | |||
2082 | "contract!")(((AttrKind == lltok::kw_dereferenceable || AttrKind == lltok ::kw_dereferenceable_or_null) && "contract!") ? static_cast <void> (0) : __assert_fail ("(AttrKind == lltok::kw_dereferenceable || AttrKind == lltok::kw_dereferenceable_or_null) && \"contract!\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 2082, __PRETTY_FUNCTION__)); | |||
2083 | ||||
2084 | Bytes = 0; | |||
2085 | if (!EatIfPresent(AttrKind)) | |||
2086 | return false; | |||
2087 | LocTy ParenLoc = Lex.getLoc(); | |||
2088 | if (!EatIfPresent(lltok::lparen)) | |||
2089 | return Error(ParenLoc, "expected '('"); | |||
2090 | LocTy DerefLoc = Lex.getLoc(); | |||
2091 | if (ParseUInt64(Bytes)) return true; | |||
2092 | ParenLoc = Lex.getLoc(); | |||
2093 | if (!EatIfPresent(lltok::rparen)) | |||
2094 | return Error(ParenLoc, "expected ')'"); | |||
2095 | if (!Bytes) | |||
2096 | return Error(DerefLoc, "dereferenceable bytes must be non-zero"); | |||
2097 | return false; | |||
2098 | } | |||
2099 | ||||
2100 | /// ParseOptionalCommaAlign | |||
2101 | /// ::= | |||
2102 | /// ::= ',' align 4 | |||
2103 | /// | |||
2104 | /// This returns with AteExtraComma set to true if it ate an excess comma at the | |||
2105 | /// end. | |||
2106 | bool LLParser::ParseOptionalCommaAlign(unsigned &Alignment, | |||
2107 | bool &AteExtraComma) { | |||
2108 | AteExtraComma = false; | |||
2109 | while (EatIfPresent(lltok::comma)) { | |||
2110 | // Metadata at the end is an early exit. | |||
2111 | if (Lex.getKind() == lltok::MetadataVar) { | |||
2112 | AteExtraComma = true; | |||
2113 | return false; | |||
2114 | } | |||
2115 | ||||
2116 | if (Lex.getKind() != lltok::kw_align) | |||
2117 | return Error(Lex.getLoc(), "expected metadata or 'align'"); | |||
2118 | ||||
2119 | if (ParseOptionalAlignment(Alignment)) return true; | |||
2120 | } | |||
2121 | ||||
2122 | return false; | |||
2123 | } | |||
2124 | ||||
2125 | /// ParseOptionalCommaAddrSpace | |||
2126 | /// ::= | |||
2127 | /// ::= ',' addrspace(1) | |||
2128 | /// | |||
2129 | /// This returns with AteExtraComma set to true if it ate an excess comma at the | |||
2130 | /// end. | |||
2131 | bool LLParser::ParseOptionalCommaAddrSpace(unsigned &AddrSpace, | |||
2132 | LocTy &Loc, | |||
2133 | bool &AteExtraComma) { | |||
2134 | AteExtraComma = false; | |||
2135 | while (EatIfPresent(lltok::comma)) { | |||
2136 | // Metadata at the end is an early exit. | |||
2137 | if (Lex.getKind() == lltok::MetadataVar) { | |||
2138 | AteExtraComma = true; | |||
2139 | return false; | |||
2140 | } | |||
2141 | ||||
2142 | Loc = Lex.getLoc(); | |||
2143 | if (Lex.getKind() != lltok::kw_addrspace) | |||
2144 | return Error(Lex.getLoc(), "expected metadata or 'addrspace'"); | |||
2145 | ||||
2146 | if (ParseOptionalAddrSpace(AddrSpace)) | |||
2147 | return true; | |||
2148 | } | |||
2149 | ||||
2150 | return false; | |||
2151 | } | |||
2152 | ||||
2153 | bool LLParser::parseAllocSizeArguments(unsigned &BaseSizeArg, | |||
2154 | Optional<unsigned> &HowManyArg) { | |||
2155 | Lex.Lex(); | |||
2156 | ||||
2157 | auto StartParen = Lex.getLoc(); | |||
2158 | if (!EatIfPresent(lltok::lparen)) | |||
2159 | return Error(StartParen, "expected '('"); | |||
2160 | ||||
2161 | if (ParseUInt32(BaseSizeArg)) | |||
2162 | return true; | |||
2163 | ||||
2164 | if (EatIfPresent(lltok::comma)) { | |||
2165 | auto HowManyAt = Lex.getLoc(); | |||
2166 | unsigned HowMany; | |||
2167 | if (ParseUInt32(HowMany)) | |||
2168 | return true; | |||
2169 | if (HowMany == BaseSizeArg) | |||
| ||||
2170 | return Error(HowManyAt, | |||
2171 | "'allocsize' indices can't refer to the same parameter"); | |||
2172 | HowManyArg = HowMany; | |||
2173 | } else | |||
2174 | HowManyArg = None; | |||
2175 | ||||
2176 | auto EndParen = Lex.getLoc(); | |||
2177 | if (!EatIfPresent(lltok::rparen)) | |||
2178 | return Error(EndParen, "expected ')'"); | |||
2179 | return false; | |||
2180 | } | |||
2181 | ||||
2182 | /// ParseScopeAndOrdering | |||
2183 | /// if isAtomic: ::= SyncScope? AtomicOrdering | |||
2184 | /// else: ::= | |||
2185 | /// | |||
2186 | /// This sets Scope and Ordering to the parsed values. | |||
2187 | bool LLParser::ParseScopeAndOrdering(bool isAtomic, SyncScope::ID &SSID, | |||
2188 | AtomicOrdering &Ordering) { | |||
2189 | if (!isAtomic) | |||
2190 | return false; | |||
2191 | ||||
2192 | return ParseScope(SSID) || ParseOrdering(Ordering); | |||
2193 | } | |||
2194 | ||||
2195 | /// ParseScope | |||
2196 | /// ::= syncscope("singlethread" | "<target scope>")? | |||
2197 | /// | |||
2198 | /// This sets synchronization scope ID to the ID of the parsed value. | |||
2199 | bool LLParser::ParseScope(SyncScope::ID &SSID) { | |||
2200 | SSID = SyncScope::System; | |||
2201 | if (EatIfPresent(lltok::kw_syncscope)) { | |||
2202 | auto StartParenAt = Lex.getLoc(); | |||
2203 | if (!EatIfPresent(lltok::lparen)) | |||
2204 | return Error(StartParenAt, "Expected '(' in syncscope"); | |||
2205 | ||||
2206 | std::string SSN; | |||
2207 | auto SSNAt = Lex.getLoc(); | |||
2208 | if (ParseStringConstant(SSN)) | |||
2209 | return Error(SSNAt, "Expected synchronization scope name"); | |||
2210 | ||||
2211 | auto EndParenAt = Lex.getLoc(); | |||
2212 | if (!EatIfPresent(lltok::rparen)) | |||
2213 | return Error(EndParenAt, "Expected ')' in syncscope"); | |||
2214 | ||||
2215 | SSID = Context.getOrInsertSyncScopeID(SSN); | |||
2216 | } | |||
2217 | ||||
2218 | return false; | |||
2219 | } | |||
2220 | ||||
2221 | /// ParseOrdering | |||
2222 | /// ::= AtomicOrdering | |||
2223 | /// | |||
2224 | /// This sets Ordering to the parsed value. | |||
2225 | bool LLParser::ParseOrdering(AtomicOrdering &Ordering) { | |||
2226 | switch (Lex.getKind()) { | |||
2227 | default: return TokError("Expected ordering on atomic instruction"); | |||
2228 | case lltok::kw_unordered: Ordering = AtomicOrdering::Unordered; break; | |||
2229 | case lltok::kw_monotonic: Ordering = AtomicOrdering::Monotonic; break; | |||
2230 | // Not specified yet: | |||
2231 | // case lltok::kw_consume: Ordering = AtomicOrdering::Consume; break; | |||
2232 | case lltok::kw_acquire: Ordering = AtomicOrdering::Acquire; break; | |||
2233 | case lltok::kw_release: Ordering = AtomicOrdering::Release; break; | |||
2234 | case lltok::kw_acq_rel: Ordering = AtomicOrdering::AcquireRelease; break; | |||
2235 | case lltok::kw_seq_cst: | |||
2236 | Ordering = AtomicOrdering::SequentiallyConsistent; | |||
2237 | break; | |||
2238 | } | |||
2239 | Lex.Lex(); | |||
2240 | return false; | |||
2241 | } | |||
2242 | ||||
2243 | /// ParseOptionalStackAlignment | |||
2244 | /// ::= /* empty */ | |||
2245 | /// ::= 'alignstack' '(' 4 ')' | |||
2246 | bool LLParser::ParseOptionalStackAlignment(unsigned &Alignment) { | |||
2247 | Alignment = 0; | |||
2248 | if (!EatIfPresent(lltok::kw_alignstack)) | |||
2249 | return false; | |||
2250 | LocTy ParenLoc = Lex.getLoc(); | |||
2251 | if (!EatIfPresent(lltok::lparen)) | |||
2252 | return Error(ParenLoc, "expected '('"); | |||
2253 | LocTy AlignLoc = Lex.getLoc(); | |||
2254 | if (ParseUInt32(Alignment)) return true; | |||
2255 | ParenLoc = Lex.getLoc(); | |||
2256 | if (!EatIfPresent(lltok::rparen)) | |||
2257 | return Error(ParenLoc, "expected ')'"); | |||
2258 | if (!isPowerOf2_32(Alignment)) | |||
2259 | return Error(AlignLoc, "stack alignment is not a power of two"); | |||
2260 | return false; | |||
2261 | } | |||
2262 | ||||
2263 | /// ParseIndexList - This parses the index list for an insert/extractvalue | |||
2264 | /// instruction. This sets AteExtraComma in the case where we eat an extra | |||
2265 | /// comma at the end of the line and find that it is followed by metadata. | |||
2266 | /// Clients that don't allow metadata can call the version of this function that | |||
2267 | /// only takes one argument. | |||
2268 | /// | |||
2269 | /// ParseIndexList | |||
2270 | /// ::= (',' uint32)+ | |||
2271 | /// | |||
2272 | bool LLParser::ParseIndexList(SmallVectorImpl<unsigned> &Indices, | |||
2273 | bool &AteExtraComma) { | |||
2274 | AteExtraComma = false; | |||
2275 | ||||
2276 | if (Lex.getKind() != lltok::comma) | |||
2277 | return TokError("expected ',' as start of index list"); | |||
2278 | ||||
2279 | while (EatIfPresent(lltok::comma)) { | |||
2280 | if (Lex.getKind() == lltok::MetadataVar) { | |||
2281 | if (Indices.empty()) return TokError("expected index"); | |||
2282 | AteExtraComma = true; | |||
2283 | return false; | |||
2284 | } | |||
2285 | unsigned Idx = 0; | |||
2286 | if (ParseUInt32(Idx)) return true; | |||
2287 | Indices.push_back(Idx); | |||
2288 | } | |||
2289 | ||||
2290 | return false; | |||
2291 | } | |||
2292 | ||||
2293 | //===----------------------------------------------------------------------===// | |||
2294 | // Type Parsing. | |||
2295 | //===----------------------------------------------------------------------===// | |||
2296 | ||||
2297 | /// ParseType - Parse a type. | |||
2298 | bool LLParser::ParseType(Type *&Result, const Twine &Msg, bool AllowVoid) { | |||
2299 | SMLoc TypeLoc = Lex.getLoc(); | |||
2300 | switch (Lex.getKind()) { | |||
2301 | default: | |||
2302 | return TokError(Msg); | |||
2303 | case lltok::Type: | |||
2304 | // Type ::= 'float' | 'void' (etc) | |||
2305 | Result = Lex.getTyVal(); | |||
2306 | Lex.Lex(); | |||
2307 | break; | |||
2308 | case lltok::lbrace: | |||
2309 | // Type ::= StructType | |||
2310 | if (ParseAnonStructType(Result, false)) | |||
2311 | return true; | |||
2312 | break; | |||
2313 | case lltok::lsquare: | |||
2314 | // Type ::= '[' ... ']' | |||
2315 | Lex.Lex(); // eat the lsquare. | |||
2316 | if (ParseArrayVectorType(Result, false)) | |||
2317 | return true; | |||
2318 | break; | |||
2319 | case lltok::less: // Either vector or packed struct. | |||
2320 | // Type ::= '<' ... '>' | |||
2321 | Lex.Lex(); | |||
2322 | if (Lex.getKind() == lltok::lbrace) { | |||
2323 | if (ParseAnonStructType(Result, true) || | |||
2324 | ParseToken(lltok::greater, "expected '>' at end of packed struct")) | |||
2325 | return true; | |||
2326 | } else if (ParseArrayVectorType(Result, true)) | |||
2327 | return true; | |||
2328 | break; | |||
2329 | case lltok::LocalVar: { | |||
2330 | // Type ::= %foo | |||
2331 | std::pair<Type*, LocTy> &Entry = NamedTypes[Lex.getStrVal()]; | |||
2332 | ||||
2333 | // If the type hasn't been defined yet, create a forward definition and | |||
2334 | // remember where that forward def'n was seen (in case it never is defined). | |||
2335 | if (!Entry.first) { | |||
2336 | Entry.first = StructType::create(Context, Lex.getStrVal()); | |||
2337 | Entry.second = Lex.getLoc(); | |||
2338 | } | |||
2339 | Result = Entry.first; | |||
2340 | Lex.Lex(); | |||
2341 | break; | |||
2342 | } | |||
2343 | ||||
2344 | case lltok::LocalVarID: { | |||
2345 | // Type ::= %4 | |||
2346 | std::pair<Type*, LocTy> &Entry = NumberedTypes[Lex.getUIntVal()]; | |||
2347 | ||||
2348 | // If the type hasn't been defined yet, create a forward definition and | |||
2349 | // remember where that forward def'n was seen (in case it never is defined). | |||
2350 | if (!Entry.first) { | |||
2351 | Entry.first = StructType::create(Context); | |||
2352 | Entry.second = Lex.getLoc(); | |||
2353 | } | |||
2354 | Result = Entry.first; | |||
2355 | Lex.Lex(); | |||
2356 | break; | |||
2357 | } | |||
2358 | } | |||
2359 | ||||
2360 | // Parse the type suffixes. | |||
2361 | while (true) { | |||
2362 | switch (Lex.getKind()) { | |||
2363 | // End of type. | |||
2364 | default: | |||
2365 | if (!AllowVoid && Result->isVoidTy()) | |||
2366 | return Error(TypeLoc, "void type only allowed for function results"); | |||
2367 | return false; | |||
2368 | ||||
2369 | // Type ::= Type '*' | |||
2370 | case lltok::star: | |||
2371 | if (Result->isLabelTy()) | |||
2372 | return TokError("basic block pointers are invalid"); | |||
2373 | if (Result->isVoidTy()) | |||
2374 | return TokError("pointers to void are invalid - use i8* instead"); | |||
2375 | if (!PointerType::isValidElementType(Result)) | |||
2376 | return TokError("pointer to this type is invalid"); | |||
2377 | Result = PointerType::getUnqual(Result); | |||
2378 | Lex.Lex(); | |||
2379 | break; | |||
2380 | ||||
2381 | // Type ::= Type 'addrspace' '(' uint32 ')' '*' | |||
2382 | case lltok::kw_addrspace: { | |||
2383 | if (Result->isLabelTy()) | |||
2384 | return TokError("basic block pointers are invalid"); | |||
2385 | if (Result->isVoidTy()) | |||
2386 | return TokError("pointers to void are invalid; use i8* instead"); | |||
2387 | if (!PointerType::isValidElementType(Result)) | |||
2388 | return TokError("pointer to this type is invalid"); | |||
2389 | unsigned AddrSpace; | |||
2390 | if (ParseOptionalAddrSpace(AddrSpace) || | |||
2391 | ParseToken(lltok::star, "expected '*' in address space")) | |||
2392 | return true; | |||
2393 | ||||
2394 | Result = PointerType::get(Result, AddrSpace); | |||
2395 | break; | |||
2396 | } | |||
2397 | ||||
2398 | /// Types '(' ArgTypeListI ')' OptFuncAttrs | |||
2399 | case lltok::lparen: | |||
2400 | if (ParseFunctionType(Result)) | |||
2401 | return true; | |||
2402 | break; | |||
2403 | } | |||
2404 | } | |||
2405 | } | |||
2406 | ||||
2407 | /// ParseParameterList | |||
2408 | /// ::= '(' ')' | |||
2409 | /// ::= '(' Arg (',' Arg)* ')' | |||
2410 | /// Arg | |||
2411 | /// ::= Type OptionalAttributes Value OptionalAttributes | |||
2412 | bool LLParser::ParseParameterList(SmallVectorImpl<ParamInfo> &ArgList, | |||
2413 | PerFunctionState &PFS, bool IsMustTailCall, | |||
2414 | bool InVarArgsFunc) { | |||
2415 | if (ParseToken(lltok::lparen, "expected '(' in call")) | |||
2416 | return true; | |||
2417 | ||||
2418 | while (Lex.getKind() != lltok::rparen) { | |||
2419 | // If this isn't the first argument, we need a comma. | |||
2420 | if (!ArgList.empty() && | |||
2421 | ParseToken(lltok::comma, "expected ',' in argument list")) | |||
2422 | return true; | |||
2423 | ||||
2424 | // Parse an ellipsis if this is a musttail call in a variadic function. | |||
2425 | if (Lex.getKind() == lltok::dotdotdot) { | |||
2426 | const char *Msg = "unexpected ellipsis in argument list for "; | |||
2427 | if (!IsMustTailCall) | |||
2428 | return TokError(Twine(Msg) + "non-musttail call"); | |||
2429 | if (!InVarArgsFunc) | |||
2430 | return TokError(Twine(Msg) + "musttail call in non-varargs function"); | |||
2431 | Lex.Lex(); // Lex the '...', it is purely for readability. | |||
2432 | return ParseToken(lltok::rparen, "expected ')' at end of argument list"); | |||
2433 | } | |||
2434 | ||||
2435 | // Parse the argument. | |||
2436 | LocTy ArgLoc; | |||
2437 | Type *ArgTy = nullptr; | |||
2438 | AttrBuilder ArgAttrs; | |||
2439 | Value *V; | |||
2440 | if (ParseType(ArgTy, ArgLoc)) | |||
2441 | return true; | |||
2442 | ||||
2443 | if (ArgTy->isMetadataTy()) { | |||
2444 | if (ParseMetadataAsValue(V, PFS)) | |||
2445 | return true; | |||
2446 | } else { | |||
2447 | // Otherwise, handle normal operands. | |||
2448 | if (ParseOptionalParamAttrs(ArgAttrs) || ParseValue(ArgTy, V, PFS)) | |||
2449 | return true; | |||
2450 | } | |||
2451 | ArgList.push_back(ParamInfo( | |||
2452 | ArgLoc, V, AttributeSet::get(V->getContext(), ArgAttrs))); | |||
2453 | } | |||
2454 | ||||
2455 | if (IsMustTailCall && InVarArgsFunc) | |||
2456 | return TokError("expected '...' at end of argument list for musttail call " | |||
2457 | "in varargs function"); | |||
2458 | ||||
2459 | Lex.Lex(); // Lex the ')'. | |||
2460 | return false; | |||
2461 | } | |||
2462 | ||||
2463 | /// ParseByValWithOptionalType | |||
2464 | /// ::= byval | |||
2465 | /// ::= byval(<ty>) | |||
2466 | bool LLParser::ParseByValWithOptionalType(Type *&Result) { | |||
2467 | Result = nullptr; | |||
2468 | if (!EatIfPresent(lltok::kw_byval)) | |||
2469 | return true; | |||
2470 | if (!EatIfPresent(lltok::lparen)) | |||
2471 | return false; | |||
2472 | if (ParseType(Result)) | |||
2473 | return true; | |||
2474 | if (!EatIfPresent(lltok::rparen)) | |||
2475 | return Error(Lex.getLoc(), "expected ')'"); | |||
2476 | return false; | |||
2477 | } | |||
2478 | ||||
2479 | /// ParseOptionalOperandBundles | |||
2480 | /// ::= /*empty*/ | |||
2481 | /// ::= '[' OperandBundle [, OperandBundle ]* ']' | |||
2482 | /// | |||
2483 | /// OperandBundle | |||
2484 | /// ::= bundle-tag '(' ')' | |||
2485 | /// ::= bundle-tag '(' Type Value [, Type Value ]* ')' | |||
2486 | /// | |||
2487 | /// bundle-tag ::= String Constant | |||
2488 | bool LLParser::ParseOptionalOperandBundles( | |||
2489 | SmallVectorImpl<OperandBundleDef> &BundleList, PerFunctionState &PFS) { | |||
2490 | LocTy BeginLoc = Lex.getLoc(); | |||
2491 | if (!EatIfPresent(lltok::lsquare)) | |||
2492 | return false; | |||
2493 | ||||
2494 | while (Lex.getKind() != lltok::rsquare) { | |||
2495 | // If this isn't the first operand bundle, we need a comma. | |||
2496 | if (!BundleList.empty() && | |||
2497 | ParseToken(lltok::comma, "expected ',' in input list")) | |||
2498 | return true; | |||
2499 | ||||
2500 | std::string Tag; | |||
2501 | if (ParseStringConstant(Tag)) | |||
2502 | return true; | |||
2503 | ||||
2504 | if (ParseToken(lltok::lparen, "expected '(' in operand bundle")) | |||
2505 | return true; | |||
2506 | ||||
2507 | std::vector<Value *> Inputs; | |||
2508 | while (Lex.getKind() != lltok::rparen) { | |||
2509 | // If this isn't the first input, we need a comma. | |||
2510 | if (!Inputs.empty() && | |||
2511 | ParseToken(lltok::comma, "expected ',' in input list")) | |||
2512 | return true; | |||
2513 | ||||
2514 | Type *Ty = nullptr; | |||
2515 | Value *Input = nullptr; | |||
2516 | if (ParseType(Ty) || ParseValue(Ty, Input, PFS)) | |||
2517 | return true; | |||
2518 | Inputs.push_back(Input); | |||
2519 | } | |||
2520 | ||||
2521 | BundleList.emplace_back(std::move(Tag), std::move(Inputs)); | |||
2522 | ||||
2523 | Lex.Lex(); // Lex the ')'. | |||
2524 | } | |||
2525 | ||||
2526 | if (BundleList.empty()) | |||
2527 | return Error(BeginLoc, "operand bundle set must not be empty"); | |||
2528 | ||||
2529 | Lex.Lex(); // Lex the ']'. | |||
2530 | return false; | |||
2531 | } | |||
2532 | ||||
2533 | /// ParseArgumentList - Parse the argument list for a function type or function | |||
2534 | /// prototype. | |||
2535 | /// ::= '(' ArgTypeListI ')' | |||
2536 | /// ArgTypeListI | |||
2537 | /// ::= /*empty*/ | |||
2538 | /// ::= '...' | |||
2539 | /// ::= ArgTypeList ',' '...' | |||
2540 | /// ::= ArgType (',' ArgType)* | |||
2541 | /// | |||
2542 | bool LLParser::ParseArgumentList(SmallVectorImpl<ArgInfo> &ArgList, | |||
2543 | bool &isVarArg){ | |||
2544 | isVarArg = false; | |||
2545 | assert(Lex.getKind() == lltok::lparen)((Lex.getKind() == lltok::lparen) ? static_cast<void> ( 0) : __assert_fail ("Lex.getKind() == lltok::lparen", "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 2545, __PRETTY_FUNCTION__)); | |||
2546 | Lex.Lex(); // eat the (. | |||
2547 | ||||
2548 | if (Lex.getKind() == lltok::rparen) { | |||
2549 | // empty | |||
2550 | } else if (Lex.getKind() == lltok::dotdotdot) { | |||
2551 | isVarArg = true; | |||
2552 | Lex.Lex(); | |||
2553 | } else { | |||
2554 | LocTy TypeLoc = Lex.getLoc(); | |||
2555 | Type *ArgTy = nullptr; | |||
2556 | AttrBuilder Attrs; | |||
2557 | std::string Name; | |||
2558 | ||||
2559 | if (ParseType(ArgTy) || | |||
2560 | ParseOptionalParamAttrs(Attrs)) return true; | |||
2561 | ||||
2562 | if (ArgTy->isVoidTy()) | |||
2563 | return Error(TypeLoc, "argument can not have void type"); | |||
2564 | ||||
2565 | if (Lex.getKind() == lltok::LocalVar) { | |||
2566 | Name = Lex.getStrVal(); | |||
2567 | Lex.Lex(); | |||
2568 | } | |||
2569 | ||||
2570 | if (!FunctionType::isValidArgumentType(ArgTy)) | |||
2571 | return Error(TypeLoc, "invalid type for function argument"); | |||
2572 | ||||
2573 | ArgList.emplace_back(TypeLoc, ArgTy, | |||
2574 | AttributeSet::get(ArgTy->getContext(), Attrs), | |||
2575 | std::move(Name)); | |||
2576 | ||||
2577 | while (EatIfPresent(lltok::comma)) { | |||
2578 | // Handle ... at end of arg list. | |||
2579 | if (EatIfPresent(lltok::dotdotdot)) { | |||
2580 | isVarArg = true; | |||
2581 | break; | |||
2582 | } | |||
2583 | ||||
2584 | // Otherwise must be an argument type. | |||
2585 | TypeLoc = Lex.getLoc(); | |||
2586 | if (ParseType(ArgTy) || ParseOptionalParamAttrs(Attrs)) return true; | |||
2587 | ||||
2588 | if (ArgTy->isVoidTy()) | |||
2589 | return Error(TypeLoc, "argument can not have void type"); | |||
2590 | ||||
2591 | if (Lex.getKind() == lltok::LocalVar) { | |||
2592 | Name = Lex.getStrVal(); | |||
2593 | Lex.Lex(); | |||
2594 | } else { | |||
2595 | Name = ""; | |||
2596 | } | |||
2597 | ||||
2598 | if (!ArgTy->isFirstClassType()) | |||
2599 | return Error(TypeLoc, "invalid type for function argument"); | |||
2600 | ||||
2601 | ArgList.emplace_back(TypeLoc, ArgTy, | |||
2602 | AttributeSet::get(ArgTy->getContext(), Attrs), | |||
2603 | std::move(Name)); | |||
2604 | } | |||
2605 | } | |||
2606 | ||||
2607 | return ParseToken(lltok::rparen, "expected ')' at end of argument list"); | |||
2608 | } | |||
2609 | ||||
2610 | /// ParseFunctionType | |||
2611 | /// ::= Type ArgumentList OptionalAttrs | |||
2612 | bool LLParser::ParseFunctionType(Type *&Result) { | |||
2613 | assert(Lex.getKind() == lltok::lparen)((Lex.getKind() == lltok::lparen) ? static_cast<void> ( 0) : __assert_fail ("Lex.getKind() == lltok::lparen", "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 2613, __PRETTY_FUNCTION__)); | |||
2614 | ||||
2615 | if (!FunctionType::isValidReturnType(Result)) | |||
2616 | return TokError("invalid function return type"); | |||
2617 | ||||
2618 | SmallVector<ArgInfo, 8> ArgList; | |||
2619 | bool isVarArg; | |||
2620 | if (ParseArgumentList(ArgList, isVarArg)) | |||
2621 | return true; | |||
2622 | ||||
2623 | // Reject names on the arguments lists. | |||
2624 | for (unsigned i = 0, e = ArgList.size(); i != e; ++i) { | |||
2625 | if (!ArgList[i].Name.empty()) | |||
2626 | return Error(ArgList[i].Loc, "argument name invalid in function type"); | |||
2627 | if (ArgList[i].Attrs.hasAttributes()) | |||
2628 | return Error(ArgList[i].Loc, | |||
2629 | "argument attributes invalid in function type"); | |||
2630 | } | |||
2631 | ||||
2632 | SmallVector<Type*, 16> ArgListTy; | |||
2633 | for (unsigned i = 0, e = ArgList.size(); i != e; ++i) | |||
2634 | ArgListTy.push_back(ArgList[i].Ty); | |||
2635 | ||||
2636 | Result = FunctionType::get(Result, ArgListTy, isVarArg); | |||
2637 | return false; | |||
2638 | } | |||
2639 | ||||
2640 | /// ParseAnonStructType - Parse an anonymous struct type, which is inlined into | |||
2641 | /// other structs. | |||
2642 | bool LLParser::ParseAnonStructType(Type *&Result, bool Packed) { | |||
2643 | SmallVector<Type*, 8> Elts; | |||
2644 | if (ParseStructBody(Elts)) return true; | |||
2645 | ||||
2646 | Result = StructType::get(Context, Elts, Packed); | |||
2647 | return false; | |||
2648 | } | |||
2649 | ||||
2650 | /// ParseStructDefinition - Parse a struct in a 'type' definition. | |||
2651 | bool LLParser::ParseStructDefinition(SMLoc TypeLoc, StringRef Name, | |||
2652 | std::pair<Type*, LocTy> &Entry, | |||
2653 | Type *&ResultTy) { | |||
2654 | // If the type was already defined, diagnose the redefinition. | |||
2655 | if (Entry.first && !Entry.second.isValid()) | |||
2656 | return Error(TypeLoc, "redefinition of type"); | |||
2657 | ||||
2658 | // If we have opaque, just return without filling in the definition for the | |||
2659 | // struct. This counts as a definition as far as the .ll file goes. | |||
2660 | if (EatIfPresent(lltok::kw_opaque)) { | |||
2661 | // This type is being defined, so clear the location to indicate this. | |||
2662 | Entry.second = SMLoc(); | |||
2663 | ||||
2664 | // If this type number has never been uttered, create it. | |||
2665 | if (!Entry.first) | |||
2666 | Entry.first = StructType::create(Context, Name); | |||
2667 | ResultTy = Entry.first; | |||
2668 | return false; | |||
2669 | } | |||
2670 | ||||
2671 | // If the type starts with '<', then it is either a packed struct or a vector. | |||
2672 | bool isPacked = EatIfPresent(lltok::less); | |||
2673 | ||||
2674 | // If we don't have a struct, then we have a random type alias, which we | |||
2675 | // accept for compatibility with old files. These types are not allowed to be | |||
2676 | // forward referenced and not allowed to be recursive. | |||
2677 | if (Lex.getKind() != lltok::lbrace) { | |||
2678 | if (Entry.first) | |||
2679 | return Error(TypeLoc, "forward references to non-struct type"); | |||
2680 | ||||
2681 | ResultTy = nullptr; | |||
2682 | if (isPacked) | |||
2683 | return ParseArrayVectorType(ResultTy, true); | |||
2684 | return ParseType(ResultTy); | |||
2685 | } | |||
2686 | ||||
2687 | // This type is being defined, so clear the location to indicate this. | |||
2688 | Entry.second = SMLoc(); | |||
2689 | ||||
2690 | // If this type number has never been uttered, create it. | |||
2691 | if (!Entry.first) | |||
2692 | Entry.first = StructType::create(Context, Name); | |||
2693 | ||||
2694 | StructType *STy = cast<StructType>(Entry.first); | |||
2695 | ||||
2696 | SmallVector<Type*, 8> Body; | |||
2697 | if (ParseStructBody(Body) || | |||
2698 | (isPacked && ParseToken(lltok::greater, "expected '>' in packed struct"))) | |||
2699 | return true; | |||
2700 | ||||
2701 | STy->setBody(Body, isPacked); | |||
2702 | ResultTy = STy; | |||
2703 | return false; | |||
2704 | } | |||
2705 | ||||
2706 | /// ParseStructType: Handles packed and unpacked types. </> parsed elsewhere. | |||
2707 | /// StructType | |||
2708 | /// ::= '{' '}' | |||
2709 | /// ::= '{' Type (',' Type)* '}' | |||
2710 | /// ::= '<' '{' '}' '>' | |||
2711 | /// ::= '<' '{' Type (',' Type)* '}' '>' | |||
2712 | bool LLParser::ParseStructBody(SmallVectorImpl<Type*> &Body) { | |||
2713 | assert(Lex.getKind() == lltok::lbrace)((Lex.getKind() == lltok::lbrace) ? static_cast<void> ( 0) : __assert_fail ("Lex.getKind() == lltok::lbrace", "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 2713, __PRETTY_FUNCTION__)); | |||
2714 | Lex.Lex(); // Consume the '{' | |||
2715 | ||||
2716 | // Handle the empty struct. | |||
2717 | if (EatIfPresent(lltok::rbrace)) | |||
2718 | return false; | |||
2719 | ||||
2720 | LocTy EltTyLoc = Lex.getLoc(); | |||
2721 | Type *Ty = nullptr; | |||
2722 | if (ParseType(Ty)) return true; | |||
2723 | Body.push_back(Ty); | |||
2724 | ||||
2725 | if (!StructType::isValidElementType(Ty)) | |||
2726 | return Error(EltTyLoc, "invalid element type for struct"); | |||
2727 | ||||
2728 | while (EatIfPresent(lltok::comma)) { | |||
2729 | EltTyLoc = Lex.getLoc(); | |||
2730 | if (ParseType(Ty)) return true; | |||
2731 | ||||
2732 | if (!StructType::isValidElementType(Ty)) | |||
2733 | return Error(EltTyLoc, "invalid element type for struct"); | |||
2734 | ||||
2735 | Body.push_back(Ty); | |||
2736 | } | |||
2737 | ||||
2738 | return ParseToken(lltok::rbrace, "expected '}' at end of struct"); | |||
2739 | } | |||
2740 | ||||
2741 | /// ParseArrayVectorType - Parse an array or vector type, assuming the first | |||
2742 | /// token has already been consumed. | |||
2743 | /// Type | |||
2744 | /// ::= '[' APSINTVAL 'x' Types ']' | |||
2745 | /// ::= '<' APSINTVAL 'x' Types '>' | |||
2746 | /// ::= '<' 'vscale' 'x' APSINTVAL 'x' Types '>' | |||
2747 | bool LLParser::ParseArrayVectorType(Type *&Result, bool isVector) { | |||
2748 | bool Scalable = false; | |||
2749 | ||||
2750 | if (isVector && Lex.getKind() == lltok::kw_vscale) { | |||
2751 | Lex.Lex(); // consume the 'vscale' | |||
2752 | if (ParseToken(lltok::kw_x, "expected 'x' after vscale")) | |||
2753 | return true; | |||
2754 | ||||
2755 | Scalable = true; | |||
2756 | } | |||
2757 | ||||
2758 | if (Lex.getKind() != lltok::APSInt || Lex.getAPSIntVal().isSigned() || | |||
2759 | Lex.getAPSIntVal().getBitWidth() > 64) | |||
2760 | return TokError("expected number in address space"); | |||
2761 | ||||
2762 | LocTy SizeLoc = Lex.getLoc(); | |||
2763 | uint64_t Size = Lex.getAPSIntVal().getZExtValue(); | |||
2764 | Lex.Lex(); | |||
2765 | ||||
2766 | if (ParseToken(lltok::kw_x, "expected 'x' after element count")) | |||
2767 | return true; | |||
2768 | ||||
2769 | LocTy TypeLoc = Lex.getLoc(); | |||
2770 | Type *EltTy = nullptr; | |||
2771 | if (ParseType(EltTy)) return true; | |||
2772 | ||||
2773 | if (ParseToken(isVector ? lltok::greater : lltok::rsquare, | |||
2774 | "expected end of sequential type")) | |||
2775 | return true; | |||
2776 | ||||
2777 | if (isVector) { | |||
2778 | if (Size == 0) | |||
2779 | return Error(SizeLoc, "zero element vector is illegal"); | |||
2780 | if ((unsigned)Size != Size) | |||
2781 | return Error(SizeLoc, "size too large for vector"); | |||
2782 | if (!VectorType::isValidElementType(EltTy)) | |||
2783 | return Error(TypeLoc, "invalid vector element type"); | |||
2784 | Result = VectorType::get(EltTy, unsigned(Size), Scalable); | |||
2785 | } else { | |||
2786 | if (!ArrayType::isValidElementType(EltTy)) | |||
2787 | return Error(TypeLoc, "invalid array element type"); | |||
2788 | Result = ArrayType::get(EltTy, Size); | |||
2789 | } | |||
2790 | return false; | |||
2791 | } | |||
2792 | ||||
2793 | //===----------------------------------------------------------------------===// | |||
2794 | // Function Semantic Analysis. | |||
2795 | //===----------------------------------------------------------------------===// | |||
2796 | ||||
2797 | LLParser::PerFunctionState::PerFunctionState(LLParser &p, Function &f, | |||
2798 | int functionNumber) | |||
2799 | : P(p), F(f), FunctionNumber(functionNumber) { | |||
2800 | ||||
2801 | // Insert unnamed arguments into the NumberedVals list. | |||
2802 | for (Argument &A : F.args()) | |||
2803 | if (!A.hasName()) | |||
2804 | NumberedVals.push_back(&A); | |||
2805 | } | |||
2806 | ||||
2807 | LLParser::PerFunctionState::~PerFunctionState() { | |||
2808 | // If there were any forward referenced non-basicblock values, delete them. | |||
2809 | ||||
2810 | for (const auto &P : ForwardRefVals) { | |||
2811 | if (isa<BasicBlock>(P.second.first)) | |||
2812 | continue; | |||
2813 | P.second.first->replaceAllUsesWith( | |||
2814 | UndefValue::get(P.second.first->getType())); | |||
2815 | P.second.first->deleteValue(); | |||
2816 | } | |||
2817 | ||||
2818 | for (const auto &P : ForwardRefValIDs) { | |||
2819 | if (isa<BasicBlock>(P.second.first)) | |||
2820 | continue; | |||
2821 | P.second.first->replaceAllUsesWith( | |||
2822 | UndefValue::get(P.second.first->getType())); | |||
2823 | P.second.first->deleteValue(); | |||
2824 | } | |||
2825 | } | |||
2826 | ||||
2827 | bool LLParser::PerFunctionState::FinishFunction() { | |||
2828 | if (!ForwardRefVals.empty()) | |||
2829 | return P.Error(ForwardRefVals.begin()->second.second, | |||
2830 | "use of undefined value '%" + ForwardRefVals.begin()->first + | |||
2831 | "'"); | |||
2832 | if (!ForwardRefValIDs.empty()) | |||
2833 | return P.Error(ForwardRefValIDs.begin()->second.second, | |||
2834 | "use of undefined value '%" + | |||
2835 | Twine(ForwardRefValIDs.begin()->first) + "'"); | |||
2836 | return false; | |||
2837 | } | |||
2838 | ||||
2839 | /// GetVal - Get a value with the specified name or ID, creating a | |||
2840 | /// forward reference record if needed. This can return null if the value | |||
2841 | /// exists but does not have the right type. | |||
2842 | Value *LLParser::PerFunctionState::GetVal(const std::string &Name, Type *Ty, | |||
2843 | LocTy Loc, bool IsCall) { | |||
2844 | // Look this name up in the normal function symbol table. | |||
2845 | Value *Val = F.getValueSymbolTable()->lookup(Name); | |||
2846 | ||||
2847 | // If this is a forward reference for the value, see if we already created a | |||
2848 | // forward ref record. | |||
2849 | if (!Val) { | |||
2850 | auto I = ForwardRefVals.find(Name); | |||
2851 | if (I != ForwardRefVals.end()) | |||
2852 | Val = I->second.first; | |||
2853 | } | |||
2854 | ||||
2855 | // If we have the value in the symbol table or fwd-ref table, return it. | |||
2856 | if (Val) | |||
2857 | return P.checkValidVariableType(Loc, "%" + Name, Ty, Val, IsCall); | |||
2858 | ||||
2859 | // Don't make placeholders with invalid type. | |||
2860 | if (!Ty->isFirstClassType()) { | |||
2861 | P.Error(Loc, "invalid use of a non-first-class type"); | |||
2862 | return nullptr; | |||
2863 | } | |||
2864 | ||||
2865 | // Otherwise, create a new forward reference for this value and remember it. | |||
2866 | Value *FwdVal; | |||
2867 | if (Ty->isLabelTy()) { | |||
2868 | FwdVal = BasicBlock::Create(F.getContext(), Name, &F); | |||
2869 | } else { | |||
2870 | FwdVal = new Argument(Ty, Name); | |||
2871 | } | |||
2872 | ||||
2873 | ForwardRefVals[Name] = std::make_pair(FwdVal, Loc); | |||
2874 | return FwdVal; | |||
2875 | } | |||
2876 | ||||
2877 | Value *LLParser::PerFunctionState::GetVal(unsigned ID, Type *Ty, LocTy Loc, | |||
2878 | bool IsCall) { | |||
2879 | // Look this name up in the normal function symbol table. | |||
2880 | Value *Val = ID < NumberedVals.size() ? NumberedVals[ID] : nullptr; | |||
2881 | ||||
2882 | // If this is a forward reference for the value, see if we already created a | |||
2883 | // forward ref record. | |||
2884 | if (!Val) { | |||
2885 | auto I = ForwardRefValIDs.find(ID); | |||
2886 | if (I != ForwardRefValIDs.end()) | |||
2887 | Val = I->second.first; | |||
2888 | } | |||
2889 | ||||
2890 | // If we have the value in the symbol table or fwd-ref table, return it. | |||
2891 | if (Val) | |||
2892 | return P.checkValidVariableType(Loc, "%" + Twine(ID), Ty, Val, IsCall); | |||
2893 | ||||
2894 | if (!Ty->isFirstClassType()) { | |||
2895 | P.Error(Loc, "invalid use of a non-first-class type"); | |||
2896 | return nullptr; | |||
2897 | } | |||
2898 | ||||
2899 | // Otherwise, create a new forward reference for this value and remember it. | |||
2900 | Value *FwdVal; | |||
2901 | if (Ty->isLabelTy()) { | |||
2902 | FwdVal = BasicBlock::Create(F.getContext(), "", &F); | |||
2903 | } else { | |||
2904 | FwdVal = new Argument(Ty); | |||
2905 | } | |||
2906 | ||||
2907 | ForwardRefValIDs[ID] = std::make_pair(FwdVal, Loc); | |||
2908 | return FwdVal; | |||
2909 | } | |||
2910 | ||||
2911 | /// SetInstName - After an instruction is parsed and inserted into its | |||
2912 | /// basic block, this installs its name. | |||
2913 | bool LLParser::PerFunctionState::SetInstName(int NameID, | |||
2914 | const std::string &NameStr, | |||
2915 | LocTy NameLoc, Instruction *Inst) { | |||
2916 | // If this instruction has void type, it cannot have a name or ID specified. | |||
2917 | if (Inst->getType()->isVoidTy()) { | |||
2918 | if (NameID != -1 || !NameStr.empty()) | |||
2919 | return P.Error(NameLoc, "instructions returning void cannot have a name"); | |||
2920 | return false; | |||
2921 | } | |||
2922 | ||||
2923 | // If this was a numbered instruction, verify that the instruction is the | |||
2924 | // expected value and resolve any forward references. | |||
2925 | if (NameStr.empty()) { | |||
2926 | // If neither a name nor an ID was specified, just use the next ID. | |||
2927 | if (NameID == -1) | |||
2928 | NameID = NumberedVals.size(); | |||
2929 | ||||
2930 | if (unsigned(NameID) != NumberedVals.size()) | |||
2931 | return P.Error(NameLoc, "instruction expected to be numbered '%" + | |||
2932 | Twine(NumberedVals.size()) + "'"); | |||
2933 | ||||
2934 | auto FI = ForwardRefValIDs.find(NameID); | |||
2935 | if (FI != ForwardRefValIDs.end()) { | |||
2936 | Value *Sentinel = FI->second.first; | |||
2937 | if (Sentinel->getType() != Inst->getType()) | |||
2938 | return P.Error(NameLoc, "instruction forward referenced with type '" + | |||
2939 | getTypeString(FI->second.first->getType()) + "'"); | |||
2940 | ||||
2941 | Sentinel->replaceAllUsesWith(Inst); | |||
2942 | Sentinel->deleteValue(); | |||
2943 | ForwardRefValIDs.erase(FI); | |||
2944 | } | |||
2945 | ||||
2946 | NumberedVals.push_back(Inst); | |||
2947 | return false; | |||
2948 | } | |||
2949 | ||||
2950 | // Otherwise, the instruction had a name. Resolve forward refs and set it. | |||
2951 | auto FI = ForwardRefVals.find(NameStr); | |||
2952 | if (FI != ForwardRefVals.end()) { | |||
2953 | Value *Sentinel = FI->second.first; | |||
2954 | if (Sentinel->getType() != Inst->getType()) | |||
2955 | return P.Error(NameLoc, "instruction forward referenced with type '" + | |||
2956 | getTypeString(FI->second.first->getType()) + "'"); | |||
2957 | ||||
2958 | Sentinel->replaceAllUsesWith(Inst); | |||
2959 | Sentinel->deleteValue(); | |||
2960 | ForwardRefVals.erase(FI); | |||
2961 | } | |||
2962 | ||||
2963 | // Set the name on the instruction. | |||
2964 | Inst->setName(NameStr); | |||
2965 | ||||
2966 | if (Inst->getName() != NameStr) | |||
2967 | return P.Error(NameLoc, "multiple definition of local value named '" + | |||
2968 | NameStr + "'"); | |||
2969 | return false; | |||
2970 | } | |||
2971 | ||||
2972 | /// GetBB - Get a basic block with the specified name or ID, creating a | |||
2973 | /// forward reference record if needed. | |||
2974 | BasicBlock *LLParser::PerFunctionState::GetBB(const std::string &Name, | |||
2975 | LocTy Loc) { | |||
2976 | return dyn_cast_or_null<BasicBlock>( | |||
2977 | GetVal(Name, Type::getLabelTy(F.getContext()), Loc, /*IsCall=*/false)); | |||
2978 | } | |||
2979 | ||||
2980 | BasicBlock *LLParser::PerFunctionState::GetBB(unsigned ID, LocTy Loc) { | |||
2981 | return dyn_cast_or_null<BasicBlock>( | |||
2982 | GetVal(ID, Type::getLabelTy(F.getContext()), Loc, /*IsCall=*/false)); | |||
2983 | } | |||
2984 | ||||
2985 | /// DefineBB - Define the specified basic block, which is either named or | |||
2986 | /// unnamed. If there is an error, this returns null otherwise it returns | |||
2987 | /// the block being defined. | |||
2988 | BasicBlock *LLParser::PerFunctionState::DefineBB(const std::string &Name, | |||
2989 | int NameID, LocTy Loc) { | |||
2990 | BasicBlock *BB; | |||
2991 | if (Name.empty()) { | |||
2992 | if (NameID != -1 && unsigned(NameID) != NumberedVals.size()) { | |||
2993 | P.Error(Loc, "label expected to be numbered '" + | |||
2994 | Twine(NumberedVals.size()) + "'"); | |||
2995 | return nullptr; | |||
2996 | } | |||
2997 | BB = GetBB(NumberedVals.size(), Loc); | |||
2998 | if (!BB) { | |||
2999 | P.Error(Loc, "unable to create block numbered '" + | |||
3000 | Twine(NumberedVals.size()) + "'"); | |||
3001 | return nullptr; | |||
3002 | } | |||
3003 | } else { | |||
3004 | BB = GetBB(Name, Loc); | |||
3005 | if (!BB) { | |||
3006 | P.Error(Loc, "unable to create block named '" + Name + "'"); | |||
3007 | return nullptr; | |||
3008 | } | |||
3009 | } | |||
3010 | ||||
3011 | // Move the block to the end of the function. Forward ref'd blocks are | |||
3012 | // inserted wherever they happen to be referenced. | |||
3013 | F.getBasicBlockList().splice(F.end(), F.getBasicBlockList(), BB); | |||
3014 | ||||
3015 | // Remove the block from forward ref sets. | |||
3016 | if (Name.empty()) { | |||
3017 | ForwardRefValIDs.erase(NumberedVals.size()); | |||
3018 | NumberedVals.push_back(BB); | |||
3019 | } else { | |||
3020 | // BB forward references are already in the function symbol table. | |||
3021 | ForwardRefVals.erase(Name); | |||
3022 | } | |||
3023 | ||||
3024 | return BB; | |||
3025 | } | |||
3026 | ||||
3027 | //===----------------------------------------------------------------------===// | |||
3028 | // Constants. | |||
3029 | //===----------------------------------------------------------------------===// | |||
3030 | ||||
3031 | /// ParseValID - Parse an abstract value that doesn't necessarily have a | |||
3032 | /// type implied. For example, if we parse "4" we don't know what integer type | |||
3033 | /// it has. The value will later be combined with its type and checked for | |||
3034 | /// sanity. PFS is used to convert function-local operands of metadata (since | |||
3035 | /// metadata operands are not just parsed here but also converted to values). | |||
3036 | /// PFS can be null when we are not parsing metadata values inside a function. | |||
3037 | bool LLParser::ParseValID(ValID &ID, PerFunctionState *PFS) { | |||
3038 | ID.Loc = Lex.getLoc(); | |||
3039 | switch (Lex.getKind()) { | |||
3040 | default: return TokError("expected value token"); | |||
3041 | case lltok::GlobalID: // @42 | |||
3042 | ID.UIntVal = Lex.getUIntVal(); | |||
3043 | ID.Kind = ValID::t_GlobalID; | |||
3044 | break; | |||
3045 | case lltok::GlobalVar: // @foo | |||
3046 | ID.StrVal = Lex.getStrVal(); | |||
3047 | ID.Kind = ValID::t_GlobalName; | |||
3048 | break; | |||
3049 | case lltok::LocalVarID: // %42 | |||
3050 | ID.UIntVal = Lex.getUIntVal(); | |||
3051 | ID.Kind = ValID::t_LocalID; | |||
3052 | break; | |||
3053 | case lltok::LocalVar: // %foo | |||
3054 | ID.StrVal = Lex.getStrVal(); | |||
3055 | ID.Kind = ValID::t_LocalName; | |||
3056 | break; | |||
3057 | case lltok::APSInt: | |||
3058 | ID.APSIntVal = Lex.getAPSIntVal(); | |||
3059 | ID.Kind = ValID::t_APSInt; | |||
3060 | break; | |||
3061 | case lltok::APFloat: | |||
3062 | ID.APFloatVal = Lex.getAPFloatVal(); | |||
3063 | ID.Kind = ValID::t_APFloat; | |||
3064 | break; | |||
3065 | case lltok::kw_true: | |||
3066 | ID.ConstantVal = ConstantInt::getTrue(Context); | |||
3067 | ID.Kind = ValID::t_Constant; | |||
3068 | break; | |||
3069 | case lltok::kw_false: | |||
3070 | ID.ConstantVal = ConstantInt::getFalse(Context); | |||
3071 | ID.Kind = ValID::t_Constant; | |||
3072 | break; | |||
3073 | case lltok::kw_null: ID.Kind = ValID::t_Null; break; | |||
3074 | case lltok::kw_undef: ID.Kind = ValID::t_Undef; break; | |||
3075 | case lltok::kw_zeroinitializer: ID.Kind = ValID::t_Zero; break; | |||
3076 | case lltok::kw_none: ID.Kind = ValID::t_None; break; | |||
3077 | ||||
3078 | case lltok::lbrace: { | |||
3079 | // ValID ::= '{' ConstVector '}' | |||
3080 | Lex.Lex(); | |||
3081 | SmallVector<Constant*, 16> Elts; | |||
3082 | if (ParseGlobalValueVector(Elts) || | |||
3083 | ParseToken(lltok::rbrace, "expected end of struct constant")) | |||
3084 | return true; | |||
3085 | ||||
3086 | ID.ConstantStructElts = make_unique<Constant *[]>(Elts.size()); | |||
3087 | ID.UIntVal = Elts.size(); | |||
3088 | memcpy(ID.ConstantStructElts.get(), Elts.data(), | |||
3089 | Elts.size() * sizeof(Elts[0])); | |||
3090 | ID.Kind = ValID::t_ConstantStruct; | |||
3091 | return false; | |||
3092 | } | |||
3093 | case lltok::less: { | |||
3094 | // ValID ::= '<' ConstVector '>' --> Vector. | |||
3095 | // ValID ::= '<' '{' ConstVector '}' '>' --> Packed Struct. | |||
3096 | Lex.Lex(); | |||
3097 | bool isPackedStruct = EatIfPresent(lltok::lbrace); | |||
3098 | ||||
3099 | SmallVector<Constant*, 16> Elts; | |||
3100 | LocTy FirstEltLoc = Lex.getLoc(); | |||
3101 | if (ParseGlobalValueVector(Elts) || | |||
3102 | (isPackedStruct && | |||
3103 | ParseToken(lltok::rbrace, "expected end of packed struct")) || | |||
3104 | ParseToken(lltok::greater, "expected end of constant")) | |||
3105 | return true; | |||
3106 | ||||
3107 | if (isPackedStruct) { | |||
3108 | ID.ConstantStructElts = make_unique<Constant *[]>(Elts.size()); | |||
3109 | memcpy(ID.ConstantStructElts.get(), Elts.data(), | |||
3110 | Elts.size() * sizeof(Elts[0])); | |||
3111 | ID.UIntVal = Elts.size(); | |||
3112 | ID.Kind = ValID::t_PackedConstantStruct; | |||
3113 | return false; | |||
3114 | } | |||
3115 | ||||
3116 | if (Elts.empty()) | |||
3117 | return Error(ID.Loc, "constant vector must not be empty"); | |||
3118 | ||||
3119 | if (!Elts[0]->getType()->isIntegerTy() && | |||
3120 | !Elts[0]->getType()->isFloatingPointTy() && | |||
3121 | !Elts[0]->getType()->isPointerTy()) | |||
3122 | return Error(FirstEltLoc, | |||
3123 | "vector elements must have integer, pointer or floating point type"); | |||
3124 | ||||
3125 | // Verify that all the vector elements have the same type. | |||
3126 | for (unsigned i = 1, e = Elts.size(); i != e; ++i) | |||
3127 | if (Elts[i]->getType() != Elts[0]->getType()) | |||
3128 | return Error(FirstEltLoc, | |||
3129 | "vector element #" + Twine(i) + | |||
3130 | " is not of type '" + getTypeString(Elts[0]->getType())); | |||
3131 | ||||
3132 | ID.ConstantVal = ConstantVector::get(Elts); | |||
3133 | ID.Kind = ValID::t_Constant; | |||
3134 | return false; | |||
3135 | } | |||
3136 | case lltok::lsquare: { // Array Constant | |||
3137 | Lex.Lex(); | |||
3138 | SmallVector<Constant*, 16> Elts; | |||
3139 | LocTy FirstEltLoc = Lex.getLoc(); | |||
3140 | if (ParseGlobalValueVector(Elts) || | |||
3141 | ParseToken(lltok::rsquare, "expected end of array constant")) | |||
3142 | return true; | |||
3143 | ||||
3144 | // Handle empty element. | |||
3145 | if (Elts.empty()) { | |||
3146 | // Use undef instead of an array because it's inconvenient to determine | |||
3147 | // the element type at this point, there being no elements to examine. | |||
3148 | ID.Kind = ValID::t_EmptyArray; | |||
3149 | return false; | |||
3150 | } | |||
3151 | ||||
3152 | if (!Elts[0]->getType()->isFirstClassType()) | |||
3153 | return Error(FirstEltLoc, "invalid array element type: " + | |||
3154 | getTypeString(Elts[0]->getType())); | |||
3155 | ||||
3156 | ArrayType *ATy = ArrayType::get(Elts[0]->getType(), Elts.size()); | |||
3157 | ||||
3158 | // Verify all elements are correct type! | |||
3159 | for (unsigned i = 0, e = Elts.size(); i != e; ++i) { | |||
3160 | if (Elts[i]->getType() != Elts[0]->getType()) | |||
3161 | return Error(FirstEltLoc, | |||
3162 | "array element #" + Twine(i) + | |||
3163 | " is not of type '" + getTypeString(Elts[0]->getType())); | |||
3164 | } | |||
3165 | ||||
3166 | ID.ConstantVal = ConstantArray::get(ATy, Elts); | |||
3167 | ID.Kind = ValID::t_Constant; | |||
3168 | return false; | |||
3169 | } | |||
3170 | case lltok::kw_c: // c "foo" | |||
3171 | Lex.Lex(); | |||
3172 | ID.ConstantVal = ConstantDataArray::getString(Context, Lex.getStrVal(), | |||
3173 | false); | |||
3174 | if (ParseToken(lltok::StringConstant, "expected string")) return true; | |||
3175 | ID.Kind = ValID::t_Constant; | |||
3176 | return false; | |||
3177 | ||||
3178 | case lltok::kw_asm: { | |||
3179 | // ValID ::= 'asm' SideEffect? AlignStack? IntelDialect? STRINGCONSTANT ',' | |||
3180 | // STRINGCONSTANT | |||
3181 | bool HasSideEffect, AlignStack, AsmDialect; | |||
3182 | Lex.Lex(); | |||
3183 | if (ParseOptionalToken(lltok::kw_sideeffect, HasSideEffect) || | |||
3184 | ParseOptionalToken(lltok::kw_alignstack, AlignStack) || | |||
3185 | ParseOptionalToken(lltok::kw_inteldialect, AsmDialect) || | |||
3186 | ParseStringConstant(ID.StrVal) || | |||
3187 | ParseToken(lltok::comma, "expected comma in inline asm expression") || | |||
3188 | ParseToken(lltok::StringConstant, "expected constraint string")) | |||
3189 | return true; | |||
3190 | ID.StrVal2 = Lex.getStrVal(); | |||
3191 | ID.UIntVal = unsigned(HasSideEffect) | (unsigned(AlignStack)<<1) | | |||
3192 | (unsigned(AsmDialect)<<2); | |||
3193 | ID.Kind = ValID::t_InlineAsm; | |||
3194 | return false; | |||
3195 | } | |||
3196 | ||||
3197 | case lltok::kw_blockaddress: { | |||
3198 | // ValID ::= 'blockaddress' '(' @foo ',' %bar ')' | |||
3199 | Lex.Lex(); | |||
3200 | ||||
3201 | ValID Fn, Label; | |||
3202 | ||||
3203 | if (ParseToken(lltok::lparen, "expected '(' in block address expression") || | |||
3204 | ParseValID(Fn) || | |||
3205 | ParseToken(lltok::comma, "expected comma in block address expression")|| | |||
3206 | ParseValID(Label) || | |||
3207 | ParseToken(lltok::rparen, "expected ')' in block address expression")) | |||
3208 | return true; | |||
3209 | ||||
3210 | if (Fn.Kind != ValID::t_GlobalID && Fn.Kind != ValID::t_GlobalName) | |||
3211 | return Error(Fn.Loc, "expected function name in blockaddress"); | |||
3212 | if (Label.Kind != ValID::t_LocalID && Label.Kind != ValID::t_LocalName) | |||
3213 | return Error(Label.Loc, "expected basic block name in blockaddress"); | |||
3214 | ||||
3215 | // Try to find the function (but skip it if it's forward-referenced). | |||
3216 | GlobalValue *GV = nullptr; | |||
3217 | if (Fn.Kind == ValID::t_GlobalID) { | |||
3218 | if (Fn.UIntVal < NumberedVals.size()) | |||
3219 | GV = NumberedVals[Fn.UIntVal]; | |||
3220 | } else if (!ForwardRefVals.count(Fn.StrVal)) { | |||
3221 | GV = M->getNamedValue(Fn.StrVal); | |||
3222 | } | |||
3223 | Function *F = nullptr; | |||
3224 | if (GV) { | |||
3225 | // Confirm that it's actually a function with a definition. | |||
3226 | if (!isa<Function>(GV)) | |||
3227 | return Error(Fn.Loc, "expected function name in blockaddress"); | |||
3228 | F = cast<Function>(GV); | |||
3229 | if (F->isDeclaration()) | |||
3230 | return Error(Fn.Loc, "cannot take blockaddress inside a declaration"); | |||
3231 | } | |||
3232 | ||||
3233 | if (!F) { | |||
3234 | // Make a global variable as a placeholder for this reference. | |||
3235 | GlobalValue *&FwdRef = | |||
3236 | ForwardRefBlockAddresses.insert(std::make_pair( | |||
3237 | std::move(Fn), | |||
3238 | std::map<ValID, GlobalValue *>())) | |||
3239 | .first->second.insert(std::make_pair(std::move(Label), nullptr)) | |||
3240 | .first->second; | |||
3241 | if (!FwdRef) | |||
3242 | FwdRef = new GlobalVariable(*M, Type::getInt8Ty(Context), false, | |||
3243 | GlobalValue::InternalLinkage, nullptr, ""); | |||
3244 | ID.ConstantVal = FwdRef; | |||
3245 | ID.Kind = ValID::t_Constant; | |||
3246 | return false; | |||
3247 | } | |||
3248 | ||||
3249 | // We found the function; now find the basic block. Don't use PFS, since we | |||
3250 | // might be inside a constant expression. | |||
3251 | BasicBlock *BB; | |||
3252 | if (BlockAddressPFS && F == &BlockAddressPFS->getFunction()) { | |||
3253 | if (Label.Kind == ValID::t_LocalID) | |||
3254 | BB = BlockAddressPFS->GetBB(Label.UIntVal, Label.Loc); | |||
3255 | else | |||
3256 | BB = BlockAddressPFS->GetBB(Label.StrVal, Label.Loc); | |||
3257 | if (!BB) | |||
3258 | return Error(Label.Loc, "referenced value is not a basic block"); | |||
3259 | } else { | |||
3260 | if (Label.Kind == ValID::t_LocalID) | |||
3261 | return Error(Label.Loc, "cannot take address of numeric label after " | |||
3262 | "the function is defined"); | |||
3263 | BB = dyn_cast_or_null<BasicBlock>( | |||
3264 | F->getValueSymbolTable()->lookup(Label.StrVal)); | |||
3265 | if (!BB) | |||
3266 | return Error(Label.Loc, "referenced value is not a basic block"); | |||
3267 | } | |||
3268 | ||||
3269 | ID.ConstantVal = BlockAddress::get(F, BB); | |||
3270 | ID.Kind = ValID::t_Constant; | |||
3271 | return false; | |||
3272 | } | |||
3273 | ||||
3274 | case lltok::kw_trunc: | |||
3275 | case lltok::kw_zext: | |||
3276 | case lltok::kw_sext: | |||
3277 | case lltok::kw_fptrunc: | |||
3278 | case lltok::kw_fpext: | |||
3279 | case lltok::kw_bitcast: | |||
3280 | case lltok::kw_addrspacecast: | |||
3281 | case lltok::kw_uitofp: | |||
3282 | case lltok::kw_sitofp: | |||
3283 | case lltok::kw_fptoui: | |||
3284 | case lltok::kw_fptosi: | |||
3285 | case lltok::kw_inttoptr: | |||
3286 | case lltok::kw_ptrtoint: { | |||
3287 | unsigned Opc = Lex.getUIntVal(); | |||
3288 | Type *DestTy = nullptr; | |||
3289 | Constant *SrcVal; | |||
3290 | Lex.Lex(); | |||
3291 | if (ParseToken(lltok::lparen, "expected '(' after constantexpr cast") || | |||
3292 | ParseGlobalTypeAndValue(SrcVal) || | |||
3293 | ParseToken(lltok::kw_to, "expected 'to' in constantexpr cast") || | |||
3294 | ParseType(DestTy) || | |||
3295 | ParseToken(lltok::rparen, "expected ')' at end of constantexpr cast")) | |||
3296 | return true; | |||
3297 | if (!CastInst::castIsValid((Instruction::CastOps)Opc, SrcVal, DestTy)) | |||
3298 | return Error(ID.Loc, "invalid cast opcode for cast from '" + | |||
3299 | getTypeString(SrcVal->getType()) + "' to '" + | |||
3300 | getTypeString(DestTy) + "'"); | |||
3301 | ID.ConstantVal = ConstantExpr::getCast((Instruction::CastOps)Opc, | |||
3302 | SrcVal, DestTy); | |||
3303 | ID.Kind = ValID::t_Constant; | |||
3304 | return false; | |||
3305 | } | |||
3306 | case lltok::kw_extractvalue: { | |||
3307 | Lex.Lex(); | |||
3308 | Constant *Val; | |||
3309 | SmallVector<unsigned, 4> Indices; | |||
3310 | if (ParseToken(lltok::lparen, "expected '(' in extractvalue constantexpr")|| | |||
3311 | ParseGlobalTypeAndValue(Val) || | |||
3312 | ParseIndexList(Indices) || | |||
3313 | ParseToken(lltok::rparen, "expected ')' in extractvalue constantexpr")) | |||
3314 | return true; | |||
3315 | ||||
3316 | if (!Val->getType()->isAggregateType()) | |||
3317 | return Error(ID.Loc, "extractvalue operand must be aggregate type"); | |||
3318 | if (!ExtractValueInst::getIndexedType(Val->getType(), Indices)) | |||
3319 | return Error(ID.Loc, "invalid indices for extractvalue"); | |||
3320 | ID.ConstantVal = ConstantExpr::getExtractValue(Val, Indices); | |||
3321 | ID.Kind = ValID::t_Constant; | |||
3322 | return false; | |||
3323 | } | |||
3324 | case lltok::kw_insertvalue: { | |||
3325 | Lex.Lex(); | |||
3326 | Constant *Val0, *Val1; | |||
3327 | SmallVector<unsigned, 4> Indices; | |||
3328 | if (ParseToken(lltok::lparen, "expected '(' in insertvalue constantexpr")|| | |||
3329 | ParseGlobalTypeAndValue(Val0) || | |||
3330 | ParseToken(lltok::comma, "expected comma in insertvalue constantexpr")|| | |||
3331 | ParseGlobalTypeAndValue(Val1) || | |||
3332 | ParseIndexList(Indices) || | |||
3333 | ParseToken(lltok::rparen, "expected ')' in insertvalue constantexpr")) | |||
3334 | return true; | |||
3335 | if (!Val0->getType()->isAggregateType()) | |||
3336 | return Error(ID.Loc, "insertvalue operand must be aggregate type"); | |||
3337 | Type *IndexedType = | |||
3338 | ExtractValueInst::getIndexedType(Val0->getType(), Indices); | |||
3339 | if (!IndexedType) | |||
3340 | return Error(ID.Loc, "invalid indices for insertvalue"); | |||
3341 | if (IndexedType != Val1->getType()) | |||
3342 | return Error(ID.Loc, "insertvalue operand and field disagree in type: '" + | |||
3343 | getTypeString(Val1->getType()) + | |||
3344 | "' instead of '" + getTypeString(IndexedType) + | |||
3345 | "'"); | |||
3346 | ID.ConstantVal = ConstantExpr::getInsertValue(Val0, Val1, Indices); | |||
3347 | ID.Kind = ValID::t_Constant; | |||
3348 | return false; | |||
3349 | } | |||
3350 | case lltok::kw_icmp: | |||
3351 | case lltok::kw_fcmp: { | |||
3352 | unsigned PredVal, Opc = Lex.getUIntVal(); | |||
3353 | Constant *Val0, *Val1; | |||
3354 | Lex.Lex(); | |||
3355 | if (ParseCmpPredicate(PredVal, Opc) || | |||
3356 | ParseToken(lltok::lparen, "expected '(' in compare constantexpr") || | |||
3357 | ParseGlobalTypeAndValue(Val0) || | |||
3358 | ParseToken(lltok::comma, "expected comma in compare constantexpr") || | |||
3359 | ParseGlobalTypeAndValue(Val1) || | |||
3360 | ParseToken(lltok::rparen, "expected ')' in compare constantexpr")) | |||
3361 | return true; | |||
3362 | ||||
3363 | if (Val0->getType() != Val1->getType()) | |||
3364 | return Error(ID.Loc, "compare operands must have the same type"); | |||
3365 | ||||
3366 | CmpInst::Predicate Pred = (CmpInst::Predicate)PredVal; | |||
3367 | ||||
3368 | if (Opc == Instruction::FCmp) { | |||
3369 | if (!Val0->getType()->isFPOrFPVectorTy()) | |||
3370 | return Error(ID.Loc, "fcmp requires floating point operands"); | |||
3371 | ID.ConstantVal = ConstantExpr::getFCmp(Pred, Val0, Val1); | |||
3372 | } else { | |||
3373 | assert(Opc == Instruction::ICmp && "Unexpected opcode for CmpInst!")((Opc == Instruction::ICmp && "Unexpected opcode for CmpInst!" ) ? static_cast<void> (0) : __assert_fail ("Opc == Instruction::ICmp && \"Unexpected opcode for CmpInst!\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 3373, __PRETTY_FUNCTION__)); | |||
3374 | if (!Val0->getType()->isIntOrIntVectorTy() && | |||
3375 | !Val0->getType()->isPtrOrPtrVectorTy()) | |||
3376 | return Error(ID.Loc, "icmp requires pointer or integer operands"); | |||
3377 | ID.ConstantVal = ConstantExpr::getICmp(Pred, Val0, Val1); | |||
3378 | } | |||
3379 | ID.Kind = ValID::t_Constant; | |||
3380 | return false; | |||
3381 | } | |||
3382 | ||||
3383 | // Unary Operators. | |||
3384 | case lltok::kw_fneg: { | |||
3385 | unsigned Opc = Lex.getUIntVal(); | |||
3386 | Constant *Val; | |||
3387 | Lex.Lex(); | |||
3388 | if (ParseToken(lltok::lparen, "expected '(' in unary constantexpr") || | |||
3389 | ParseGlobalTypeAndValue(Val) || | |||
3390 | ParseToken(lltok::rparen, "expected ')' in unary constantexpr")) | |||
3391 | return true; | |||
3392 | ||||
3393 | // Check that the type is valid for the operator. | |||
3394 | switch (Opc) { | |||
3395 | case Instruction::FNeg: | |||
3396 | if (!Val->getType()->isFPOrFPVectorTy()) | |||
3397 | return Error(ID.Loc, "constexpr requires fp operands"); | |||
3398 | break; | |||
3399 | default: llvm_unreachable("Unknown unary operator!")::llvm::llvm_unreachable_internal("Unknown unary operator!", "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 3399); | |||
3400 | } | |||
3401 | unsigned Flags = 0; | |||
3402 | Constant *C = ConstantExpr::get(Opc, Val, Flags); | |||
3403 | ID.ConstantVal = C; | |||
3404 | ID.Kind = ValID::t_Constant; | |||
3405 | return false; | |||
3406 | } | |||
3407 | // Binary Operators. | |||
3408 | case lltok::kw_add: | |||
3409 | case lltok::kw_fadd: | |||
3410 | case lltok::kw_sub: | |||
3411 | case lltok::kw_fsub: | |||
3412 | case lltok::kw_mul: | |||
3413 | case lltok::kw_fmul: | |||
3414 | case lltok::kw_udiv: | |||
3415 | case lltok::kw_sdiv: | |||
3416 | case lltok::kw_fdiv: | |||
3417 | case lltok::kw_urem: | |||
3418 | case lltok::kw_srem: | |||
3419 | case lltok::kw_frem: | |||
3420 | case lltok::kw_shl: | |||
3421 | case lltok::kw_lshr: | |||
3422 | case lltok::kw_ashr: { | |||
3423 | bool NUW = false; | |||
3424 | bool NSW = false; | |||
3425 | bool Exact = false; | |||
3426 | unsigned Opc = Lex.getUIntVal(); | |||
3427 | Constant *Val0, *Val1; | |||
3428 | Lex.Lex(); | |||
3429 | if (Opc == Instruction::Add || Opc == Instruction::Sub || | |||
3430 | Opc == Instruction::Mul || Opc == Instruction::Shl) { | |||
3431 | if (EatIfPresent(lltok::kw_nuw)) | |||
3432 | NUW = true; | |||
3433 | if (EatIfPresent(lltok::kw_nsw)) { | |||
3434 | NSW = true; | |||
3435 | if (EatIfPresent(lltok::kw_nuw)) | |||
3436 | NUW = true; | |||
3437 | } | |||
3438 | } else if (Opc == Instruction::SDiv || Opc == Instruction::UDiv || | |||
3439 | Opc == Instruction::LShr || Opc == Instruction::AShr) { | |||
3440 | if (EatIfPresent(lltok::kw_exact)) | |||
3441 | Exact = true; | |||
3442 | } | |||
3443 | if (ParseToken(lltok::lparen, "expected '(' in binary constantexpr") || | |||
3444 | ParseGlobalTypeAndValue(Val0) || | |||
3445 | ParseToken(lltok::comma, "expected comma in binary constantexpr") || | |||
3446 | ParseGlobalTypeAndValue(Val1) || | |||
3447 | ParseToken(lltok::rparen, "expected ')' in binary constantexpr")) | |||
3448 | return true; | |||
3449 | if (Val0->getType() != Val1->getType()) | |||
3450 | return Error(ID.Loc, "operands of constexpr must have same type"); | |||
3451 | // Check that the type is valid for the operator. | |||
3452 | switch (Opc) { | |||
3453 | case Instruction::Add: | |||
3454 | case Instruction::Sub: | |||
3455 | case Instruction::Mul: | |||
3456 | case Instruction::UDiv: | |||
3457 | case Instruction::SDiv: | |||
3458 | case Instruction::URem: | |||
3459 | case Instruction::SRem: | |||
3460 | case Instruction::Shl: | |||
3461 | case Instruction::AShr: | |||
3462 | case Instruction::LShr: | |||
3463 | if (!Val0->getType()->isIntOrIntVectorTy()) | |||
3464 | return Error(ID.Loc, "constexpr requires integer operands"); | |||
3465 | break; | |||
3466 | case Instruction::FAdd: | |||
3467 | case Instruction::FSub: | |||
3468 | case Instruction::FMul: | |||
3469 | case Instruction::FDiv: | |||
3470 | case Instruction::FRem: | |||
3471 | if (!Val0->getType()->isFPOrFPVectorTy()) | |||
3472 | return Error(ID.Loc, "constexpr requires fp operands"); | |||
3473 | break; | |||
3474 | default: llvm_unreachable("Unknown binary operator!")::llvm::llvm_unreachable_internal("Unknown binary operator!", "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 3474); | |||
3475 | } | |||
3476 | unsigned Flags = 0; | |||
3477 | if (NUW) Flags |= OverflowingBinaryOperator::NoUnsignedWrap; | |||
3478 | if (NSW) Flags |= OverflowingBinaryOperator::NoSignedWrap; | |||
3479 | if (Exact) Flags |= PossiblyExactOperator::IsExact; | |||
3480 | Constant *C = ConstantExpr::get(Opc, Val0, Val1, Flags); | |||
3481 | ID.ConstantVal = C; | |||
3482 | ID.Kind = ValID::t_Constant; | |||
3483 | return false; | |||
3484 | } | |||
3485 | ||||
3486 | // Logical Operations | |||
3487 | case lltok::kw_and: | |||
3488 | case lltok::kw_or: | |||
3489 | case lltok::kw_xor: { | |||
3490 | unsigned Opc = Lex.getUIntVal(); | |||
3491 | Constant *Val0, *Val1; | |||
3492 | Lex.Lex(); | |||
3493 | if (ParseToken(lltok::lparen, "expected '(' in logical constantexpr") || | |||
3494 | ParseGlobalTypeAndValue(Val0) || | |||
3495 | ParseToken(lltok::comma, "expected comma in logical constantexpr") || | |||
3496 | ParseGlobalTypeAndValue(Val1) || | |||
3497 | ParseToken(lltok::rparen, "expected ')' in logical constantexpr")) | |||
3498 | return true; | |||
3499 | if (Val0->getType() != Val1->getType()) | |||
3500 | return Error(ID.Loc, "operands of constexpr must have same type"); | |||
3501 | if (!Val0->getType()->isIntOrIntVectorTy()) | |||
3502 | return Error(ID.Loc, | |||
3503 | "constexpr requires integer or integer vector operands"); | |||
3504 | ID.ConstantVal = ConstantExpr::get(Opc, Val0, Val1); | |||
3505 | ID.Kind = ValID::t_Constant; | |||
3506 | return false; | |||
3507 | } | |||
3508 | ||||
3509 | case lltok::kw_getelementptr: | |||
3510 | case lltok::kw_shufflevector: | |||
3511 | case lltok::kw_insertelement: | |||
3512 | case lltok::kw_extractelement: | |||
3513 | case lltok::kw_select: { | |||
3514 | unsigned Opc = Lex.getUIntVal(); | |||
3515 | SmallVector<Constant*, 16> Elts; | |||
3516 | bool InBounds = false; | |||
3517 | Type *Ty; | |||
3518 | Lex.Lex(); | |||
3519 | ||||
3520 | if (Opc == Instruction::GetElementPtr) | |||
3521 | InBounds = EatIfPresent(lltok::kw_inbounds); | |||
3522 | ||||
3523 | if (ParseToken(lltok::lparen, "expected '(' in constantexpr")) | |||
3524 | return true; | |||
3525 | ||||
3526 | LocTy ExplicitTypeLoc = Lex.getLoc(); | |||
3527 | if (Opc == Instruction::GetElementPtr) { | |||
3528 | if (ParseType(Ty) || | |||
3529 | ParseToken(lltok::comma, "expected comma after getelementptr's type")) | |||
3530 | return true; | |||
3531 | } | |||
3532 | ||||
3533 | Optional<unsigned> InRangeOp; | |||
3534 | if (ParseGlobalValueVector( | |||
3535 | Elts, Opc == Instruction::GetElementPtr ? &InRangeOp : nullptr) || | |||
3536 | ParseToken(lltok::rparen, "expected ')' in constantexpr")) | |||
3537 | return true; | |||
3538 | ||||
3539 | if (Opc == Instruction::GetElementPtr) { | |||
3540 | if (Elts.size() == 0 || | |||
3541 | !Elts[0]->getType()->isPtrOrPtrVectorTy()) | |||
3542 | return Error(ID.Loc, "base of getelementptr must be a pointer"); | |||
3543 | ||||
3544 | Type *BaseType = Elts[0]->getType(); | |||
3545 | auto *BasePointerType = cast<PointerType>(BaseType->getScalarType()); | |||
3546 | if (Ty != BasePointerType->getElementType()) | |||
3547 | return Error( | |||
3548 | ExplicitTypeLoc, | |||
3549 | "explicit pointee type doesn't match operand's pointee type"); | |||
3550 | ||||
3551 | unsigned GEPWidth = | |||
3552 | BaseType->isVectorTy() ? BaseType->getVectorNumElements() : 0; | |||
3553 | ||||
3554 | ArrayRef<Constant *> Indices(Elts.begin() + 1, Elts.end()); | |||
3555 | for (Constant *Val : Indices) { | |||
3556 | Type *ValTy = Val->getType(); | |||
3557 | if (!ValTy->isIntOrIntVectorTy()) | |||
3558 | return Error(ID.Loc, "getelementptr index must be an integer"); | |||
3559 | if (ValTy->isVectorTy()) { | |||
3560 | unsigned ValNumEl = ValTy->getVectorNumElements(); | |||
3561 | if (GEPWidth && (ValNumEl != GEPWidth)) | |||
3562 | return Error( | |||
3563 | ID.Loc, | |||
3564 | "getelementptr vector index has a wrong number of elements"); | |||
3565 | // GEPWidth may have been unknown because the base is a scalar, | |||
3566 | // but it is known now. | |||
3567 | GEPWidth = ValNumEl; | |||
3568 | } | |||
3569 | } | |||
3570 | ||||
3571 | SmallPtrSet<Type*, 4> Visited; | |||
3572 | if (!Indices.empty() && !Ty->isSized(&Visited)) | |||
3573 | return Error(ID.Loc, "base element of getelementptr must be sized"); | |||
3574 | ||||
3575 | if (!GetElementPtrInst::getIndexedType(Ty, Indices)) | |||
3576 | return Error(ID.Loc, "invalid getelementptr indices"); | |||
3577 | ||||
3578 | if (InRangeOp) { | |||
3579 | if (*InRangeOp == 0) | |||
3580 | return Error(ID.Loc, | |||
3581 | "inrange keyword may not appear on pointer operand"); | |||
3582 | --*InRangeOp; | |||
3583 | } | |||
3584 | ||||
3585 | ID.ConstantVal = ConstantExpr::getGetElementPtr(Ty, Elts[0], Indices, | |||
3586 | InBounds, InRangeOp); | |||
3587 | } else if (Opc == Instruction::Select) { | |||
3588 | if (Elts.size() != 3) | |||
3589 | return Error(ID.Loc, "expected three operands to select"); | |||
3590 | if (const char *Reason = SelectInst::areInvalidOperands(Elts[0], Elts[1], | |||
3591 | Elts[2])) | |||
3592 | return Error(ID.Loc, Reason); | |||
3593 | ID.ConstantVal = ConstantExpr::getSelect(Elts[0], Elts[1], Elts[2]); | |||
3594 | } else if (Opc == Instruction::ShuffleVector) { | |||
3595 | if (Elts.size() != 3) | |||
3596 | return Error(ID.Loc, "expected three operands to shufflevector"); | |||
3597 | if (!ShuffleVectorInst::isValidOperands(Elts[0], Elts[1], Elts[2])) | |||
3598 | return Error(ID.Loc, "invalid operands to shufflevector"); | |||
3599 | ID.ConstantVal = | |||
3600 | ConstantExpr::getShuffleVector(Elts[0], Elts[1],Elts[2]); | |||
3601 | } else if (Opc == Instruction::ExtractElement) { | |||
3602 | if (Elts.size() != 2) | |||
3603 | return Error(ID.Loc, "expected two operands to extractelement"); | |||
3604 | if (!ExtractElementInst::isValidOperands(Elts[0], Elts[1])) | |||
3605 | return Error(ID.Loc, "invalid extractelement operands"); | |||
3606 | ID.ConstantVal = ConstantExpr::getExtractElement(Elts[0], Elts[1]); | |||
3607 | } else { | |||
3608 | assert(Opc == Instruction::InsertElement && "Unknown opcode")((Opc == Instruction::InsertElement && "Unknown opcode" ) ? static_cast<void> (0) : __assert_fail ("Opc == Instruction::InsertElement && \"Unknown opcode\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 3608, __PRETTY_FUNCTION__)); | |||
3609 | if (Elts.size() != 3) | |||
3610 | return Error(ID.Loc, "expected three operands to insertelement"); | |||
3611 | if (!InsertElementInst::isValidOperands(Elts[0], Elts[1], Elts[2])) | |||
3612 | return Error(ID.Loc, "invalid insertelement operands"); | |||
3613 | ID.ConstantVal = | |||
3614 | ConstantExpr::getInsertElement(Elts[0], Elts[1],Elts[2]); | |||
3615 | } | |||
3616 | ||||
3617 | ID.Kind = ValID::t_Constant; | |||
3618 | return false; | |||
3619 | } | |||
3620 | } | |||
3621 | ||||
3622 | Lex.Lex(); | |||
3623 | return false; | |||
3624 | } | |||
3625 | ||||
3626 | /// ParseGlobalValue - Parse a global value with the specified type. | |||
3627 | bool LLParser::ParseGlobalValue(Type *Ty, Constant *&C) { | |||
3628 | C = nullptr; | |||
3629 | ValID ID; | |||
3630 | Value *V = nullptr; | |||
3631 | bool Parsed = ParseValID(ID) || | |||
3632 | ConvertValIDToValue(Ty, ID, V, nullptr, /*IsCall=*/false); | |||
3633 | if (V && !(C = dyn_cast<Constant>(V))) | |||
3634 | return Error(ID.Loc, "global values must be constants"); | |||
3635 | return Parsed; | |||
3636 | } | |||
3637 | ||||
3638 | bool LLParser::ParseGlobalTypeAndValue(Constant *&V) { | |||
3639 | Type *Ty = nullptr; | |||
3640 | return ParseType(Ty) || | |||
3641 | ParseGlobalValue(Ty, V); | |||
3642 | } | |||
3643 | ||||
3644 | bool LLParser::parseOptionalComdat(StringRef GlobalName, Comdat *&C) { | |||
3645 | C = nullptr; | |||
3646 | ||||
3647 | LocTy KwLoc = Lex.getLoc(); | |||
3648 | if (!EatIfPresent(lltok::kw_comdat)) | |||
3649 | return false; | |||
3650 | ||||
3651 | if (EatIfPresent(lltok::lparen)) { | |||
3652 | if (Lex.getKind() != lltok::ComdatVar) | |||
3653 | return TokError("expected comdat variable"); | |||
3654 | C = getComdat(Lex.getStrVal(), Lex.getLoc()); | |||
3655 | Lex.Lex(); | |||
3656 | if (ParseToken(lltok::rparen, "expected ')' after comdat var")) | |||
3657 | return true; | |||
3658 | } else { | |||
3659 | if (GlobalName.empty()) | |||
3660 | return TokError("comdat cannot be unnamed"); | |||
3661 | C = getComdat(GlobalName, KwLoc); | |||
3662 | } | |||
3663 | ||||
3664 | return false; | |||
3665 | } | |||
3666 | ||||
3667 | /// ParseGlobalValueVector | |||
3668 | /// ::= /*empty*/ | |||
3669 | /// ::= [inrange] TypeAndValue (',' [inrange] TypeAndValue)* | |||
3670 | bool LLParser::ParseGlobalValueVector(SmallVectorImpl<Constant *> &Elts, | |||
3671 | Optional<unsigned> *InRangeOp) { | |||
3672 | // Empty list. | |||
3673 | if (Lex.getKind() == lltok::rbrace || | |||
3674 | Lex.getKind() == lltok::rsquare || | |||
3675 | Lex.getKind() == lltok::greater || | |||
3676 | Lex.getKind() == lltok::rparen) | |||
3677 | return false; | |||
3678 | ||||
3679 | do { | |||
3680 | if (InRangeOp && !*InRangeOp && EatIfPresent(lltok::kw_inrange)) | |||
3681 | *InRangeOp = Elts.size(); | |||
3682 | ||||
3683 | Constant *C; | |||
3684 | if (ParseGlobalTypeAndValue(C)) return true; | |||
3685 | Elts.push_back(C); | |||
3686 | } while (EatIfPresent(lltok::comma)); | |||
3687 | ||||
3688 | return false; | |||
3689 | } | |||
3690 | ||||
3691 | bool LLParser::ParseMDTuple(MDNode *&MD, bool IsDistinct) { | |||
3692 | SmallVector<Metadata *, 16> Elts; | |||
3693 | if (ParseMDNodeVector(Elts)) | |||
3694 | return true; | |||
3695 | ||||
3696 | MD = (IsDistinct ? MDTuple::getDistinct : MDTuple::get)(Context, Elts); | |||
3697 | return false; | |||
3698 | } | |||
3699 | ||||
3700 | /// MDNode: | |||
3701 | /// ::= !{ ... } | |||
3702 | /// ::= !7 | |||
3703 | /// ::= !DILocation(...) | |||
3704 | bool LLParser::ParseMDNode(MDNode *&N) { | |||
3705 | if (Lex.getKind() == lltok::MetadataVar) | |||
3706 | return ParseSpecializedMDNode(N); | |||
3707 | ||||
3708 | return ParseToken(lltok::exclaim, "expected '!' here") || | |||
3709 | ParseMDNodeTail(N); | |||
3710 | } | |||
3711 | ||||
3712 | bool LLParser::ParseMDNodeTail(MDNode *&N) { | |||
3713 | // !{ ... } | |||
3714 | if (Lex.getKind() == lltok::lbrace) | |||
3715 | return ParseMDTuple(N); | |||
3716 | ||||
3717 | // !42 | |||
3718 | return ParseMDNodeID(N); | |||
3719 | } | |||
3720 | ||||
3721 | namespace { | |||
3722 | ||||
3723 | /// Structure to represent an optional metadata field. | |||
3724 | template <class FieldTy> struct MDFieldImpl { | |||
3725 | typedef MDFieldImpl ImplTy; | |||
3726 | FieldTy Val; | |||
3727 | bool Seen; | |||
3728 | ||||
3729 | void assign(FieldTy Val) { | |||
3730 | Seen = true; | |||
3731 | this->Val = std::move(Val); | |||
3732 | } | |||
3733 | ||||
3734 | explicit MDFieldImpl(FieldTy Default) | |||
3735 | : Val(std::move(Default)), Seen(false) {} | |||
3736 | }; | |||
3737 | ||||
3738 | /// Structure to represent an optional metadata field that | |||
3739 | /// can be of either type (A or B) and encapsulates the | |||
3740 | /// MD<typeofA>Field and MD<typeofB>Field structs, so not | |||
3741 | /// to reimplement the specifics for representing each Field. | |||
3742 | template <class FieldTypeA, class FieldTypeB> struct MDEitherFieldImpl { | |||
3743 | typedef MDEitherFieldImpl<FieldTypeA, FieldTypeB> ImplTy; | |||
3744 | FieldTypeA A; | |||
3745 | FieldTypeB B; | |||
3746 | bool Seen; | |||
3747 | ||||
3748 | enum { | |||
3749 | IsInvalid = 0, | |||
3750 | IsTypeA = 1, | |||
3751 | IsTypeB = 2 | |||
3752 | } WhatIs; | |||
3753 | ||||
3754 | void assign(FieldTypeA A) { | |||
3755 | Seen = true; | |||
3756 | this->A = std::move(A); | |||
3757 | WhatIs = IsTypeA; | |||
3758 | } | |||
3759 | ||||
3760 | void assign(FieldTypeB B) { | |||
3761 | Seen = true; | |||
3762 | this->B = std::move(B); | |||
3763 | WhatIs = IsTypeB; | |||
3764 | } | |||
3765 | ||||
3766 | explicit MDEitherFieldImpl(FieldTypeA DefaultA, FieldTypeB DefaultB) | |||
3767 | : A(std::move(DefaultA)), B(std::move(DefaultB)), Seen(false), | |||
3768 | WhatIs(IsInvalid) {} | |||
3769 | }; | |||
3770 | ||||
3771 | struct MDUnsignedField : public MDFieldImpl<uint64_t> { | |||
3772 | uint64_t Max; | |||
3773 | ||||
3774 | MDUnsignedField(uint64_t Default = 0, uint64_t Max = UINT64_MAX(18446744073709551615UL)) | |||
3775 | : ImplTy(Default), Max(Max) {} | |||
3776 | }; | |||
3777 | ||||
3778 | struct LineField : public MDUnsignedField { | |||
3779 | LineField() : MDUnsignedField(0, UINT32_MAX(4294967295U)) {} | |||
3780 | }; | |||
3781 | ||||
3782 | struct ColumnField : public MDUnsignedField { | |||
3783 | ColumnField() : MDUnsignedField(0, UINT16_MAX(65535)) {} | |||
3784 | }; | |||
3785 | ||||
3786 | struct DwarfTagField : public MDUnsignedField { | |||
3787 | DwarfTagField() : MDUnsignedField(0, dwarf::DW_TAG_hi_user) {} | |||
3788 | DwarfTagField(dwarf::Tag DefaultTag) | |||
3789 | : MDUnsignedField(DefaultTag, dwarf::DW_TAG_hi_user) {} | |||
3790 | }; | |||
3791 | ||||
3792 | struct DwarfMacinfoTypeField : public MDUnsignedField { | |||
3793 | DwarfMacinfoTypeField() : MDUnsignedField(0, dwarf::DW_MACINFO_vendor_ext) {} | |||
3794 | DwarfMacinfoTypeField(dwarf::MacinfoRecordType DefaultType) | |||
3795 | : MDUnsignedField(DefaultType, dwarf::DW_MACINFO_vendor_ext) {} | |||
3796 | }; | |||
3797 | ||||
3798 | struct DwarfAttEncodingField : public MDUnsignedField { | |||
3799 | DwarfAttEncodingField() : MDUnsignedField(0, dwarf::DW_ATE_hi_user) {} | |||
3800 | }; | |||
3801 | ||||
3802 | struct DwarfVirtualityField : public MDUnsignedField { | |||
3803 | DwarfVirtualityField() : MDUnsignedField(0, dwarf::DW_VIRTUALITY_max) {} | |||
3804 | }; | |||
3805 | ||||
3806 | struct DwarfLangField : public MDUnsignedField { | |||
3807 | DwarfLangField() : MDUnsignedField(0, dwarf::DW_LANG_hi_user) {} | |||
3808 | }; | |||
3809 | ||||
3810 | struct DwarfCCField : public MDUnsignedField { | |||
3811 | DwarfCCField() : MDUnsignedField(0, dwarf::DW_CC_hi_user) {} | |||
3812 | }; | |||
3813 | ||||
3814 | struct EmissionKindField : public MDUnsignedField { | |||
3815 | EmissionKindField() : MDUnsignedField(0, DICompileUnit::LastEmissionKind) {} | |||
3816 | }; | |||
3817 | ||||
3818 | struct NameTableKindField : public MDUnsignedField { | |||
3819 | NameTableKindField() | |||
3820 | : MDUnsignedField( | |||
3821 | 0, (unsigned) | |||
3822 | DICompileUnit::DebugNameTableKind::LastDebugNameTableKind) {} | |||
3823 | }; | |||
3824 | ||||
3825 | struct DIFlagField : public MDFieldImpl<DINode::DIFlags> { | |||
3826 | DIFlagField() : MDFieldImpl(DINode::FlagZero) {} | |||
3827 | }; | |||
3828 | ||||
3829 | struct DISPFlagField : public MDFieldImpl<DISubprogram::DISPFlags> { | |||
3830 | DISPFlagField() : MDFieldImpl(DISubprogram::SPFlagZero) {} | |||
3831 | }; | |||
3832 | ||||
3833 | struct MDSignedField : public MDFieldImpl<int64_t> { | |||
3834 | int64_t Min; | |||
3835 | int64_t Max; | |||
3836 | ||||
3837 | MDSignedField(int64_t Default = 0) | |||
3838 | : ImplTy(Default), Min(INT64_MIN(-9223372036854775807L -1)), Max(INT64_MAX(9223372036854775807L)) {} | |||
3839 | MDSignedField(int64_t Default, int64_t Min, int64_t Max) | |||
3840 | : ImplTy(Default), Min(Min), Max(Max) {} | |||
3841 | }; | |||
3842 | ||||
3843 | struct MDBoolField : public MDFieldImpl<bool> { | |||
3844 | MDBoolField(bool Default = false) : ImplTy(Default) {} | |||
3845 | }; | |||
3846 | ||||
3847 | struct MDField : public MDFieldImpl<Metadata *> { | |||
3848 | bool AllowNull; | |||
3849 | ||||
3850 | MDField(bool AllowNull = true) : ImplTy(nullptr), AllowNull(AllowNull) {} | |||
3851 | }; | |||
3852 | ||||
3853 | struct MDConstant : public MDFieldImpl<ConstantAsMetadata *> { | |||
3854 | MDConstant() : ImplTy(nullptr) {} | |||
3855 | }; | |||
3856 | ||||
3857 | struct MDStringField : public MDFieldImpl<MDString *> { | |||
3858 | bool AllowEmpty; | |||
3859 | MDStringField(bool AllowEmpty = true) | |||
3860 | : ImplTy(nullptr), AllowEmpty(AllowEmpty) {} | |||
3861 | }; | |||
3862 | ||||
3863 | struct MDFieldList : public MDFieldImpl<SmallVector<Metadata *, 4>> { | |||
3864 | MDFieldList() : ImplTy(SmallVector<Metadata *, 4>()) {} | |||
3865 | }; | |||
3866 | ||||
3867 | struct ChecksumKindField : public MDFieldImpl<DIFile::ChecksumKind> { | |||
3868 | ChecksumKindField(DIFile::ChecksumKind CSKind) : ImplTy(CSKind) {} | |||
3869 | }; | |||
3870 | ||||
3871 | struct MDSignedOrMDField : MDEitherFieldImpl<MDSignedField, MDField> { | |||
3872 | MDSignedOrMDField(int64_t Default = 0, bool AllowNull = true) | |||
3873 | : ImplTy(MDSignedField(Default), MDField(AllowNull)) {} | |||
3874 | ||||
3875 | MDSignedOrMDField(int64_t Default, int64_t Min, int64_t Max, | |||
3876 | bool AllowNull = true) | |||
3877 | : ImplTy(MDSignedField(Default, Min, Max), MDField(AllowNull)) {} | |||
3878 | ||||
3879 | bool isMDSignedField() const { return WhatIs == IsTypeA; } | |||
3880 | bool isMDField() const { return WhatIs == IsTypeB; } | |||
3881 | int64_t getMDSignedValue() const { | |||
3882 | assert(isMDSignedField() && "Wrong field type")((isMDSignedField() && "Wrong field type") ? static_cast <void> (0) : __assert_fail ("isMDSignedField() && \"Wrong field type\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 3882, __PRETTY_FUNCTION__)); | |||
3883 | return A.Val; | |||
3884 | } | |||
3885 | Metadata *getMDFieldValue() const { | |||
3886 | assert(isMDField() && "Wrong field type")((isMDField() && "Wrong field type") ? static_cast< void> (0) : __assert_fail ("isMDField() && \"Wrong field type\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 3886, __PRETTY_FUNCTION__)); | |||
3887 | return B.Val; | |||
3888 | } | |||
3889 | }; | |||
3890 | ||||
3891 | struct MDSignedOrUnsignedField | |||
3892 | : MDEitherFieldImpl<MDSignedField, MDUnsignedField> { | |||
3893 | MDSignedOrUnsignedField() : ImplTy(MDSignedField(0), MDUnsignedField(0)) {} | |||
3894 | ||||
3895 | bool isMDSignedField() const { return WhatIs == IsTypeA; } | |||
3896 | bool isMDUnsignedField() const { return WhatIs == IsTypeB; } | |||
3897 | int64_t getMDSignedValue() const { | |||
3898 | assert(isMDSignedField() && "Wrong field type")((isMDSignedField() && "Wrong field type") ? static_cast <void> (0) : __assert_fail ("isMDSignedField() && \"Wrong field type\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 3898, __PRETTY_FUNCTION__)); | |||
3899 | return A.Val; | |||
3900 | } | |||
3901 | uint64_t getMDUnsignedValue() const { | |||
3902 | assert(isMDUnsignedField() && "Wrong field type")((isMDUnsignedField() && "Wrong field type") ? static_cast <void> (0) : __assert_fail ("isMDUnsignedField() && \"Wrong field type\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 3902, __PRETTY_FUNCTION__)); | |||
3903 | return B.Val; | |||
3904 | } | |||
3905 | }; | |||
3906 | ||||
3907 | } // end anonymous namespace | |||
3908 | ||||
3909 | namespace llvm { | |||
3910 | ||||
3911 | template <> | |||
3912 | bool LLParser::ParseMDField(LocTy Loc, StringRef Name, | |||
3913 | MDUnsignedField &Result) { | |||
3914 | if (Lex.getKind() != lltok::APSInt || Lex.getAPSIntVal().isSigned()) | |||
3915 | return TokError("expected unsigned integer"); | |||
3916 | ||||
3917 | auto &U = Lex.getAPSIntVal(); | |||
3918 | if (U.ugt(Result.Max)) | |||
3919 | return TokError("value for '" + Name + "' too large, limit is " + | |||
3920 | Twine(Result.Max)); | |||
3921 | Result.assign(U.getZExtValue()); | |||
3922 | assert(Result.Val <= Result.Max && "Expected value in range")((Result.Val <= Result.Max && "Expected value in range" ) ? static_cast<void> (0) : __assert_fail ("Result.Val <= Result.Max && \"Expected value in range\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 3922, __PRETTY_FUNCTION__)); | |||
3923 | Lex.Lex(); | |||
3924 | return false; | |||
3925 | } | |||
3926 | ||||
3927 | template <> | |||
3928 | bool LLParser::ParseMDField(LocTy Loc, StringRef Name, LineField &Result) { | |||
3929 | return ParseMDField(Loc, Name, static_cast<MDUnsignedField &>(Result)); | |||
3930 | } | |||
3931 | template <> | |||
3932 | bool LLParser::ParseMDField(LocTy Loc, StringRef Name, ColumnField &Result) { | |||
3933 | return ParseMDField(Loc, Name, static_cast<MDUnsignedField &>(Result)); | |||
3934 | } | |||
3935 | ||||
3936 | template <> | |||
3937 | bool LLParser::ParseMDField(LocTy Loc, StringRef Name, DwarfTagField &Result) { | |||
3938 | if (Lex.getKind() == lltok::APSInt) | |||
3939 | return ParseMDField(Loc, Name, static_cast<MDUnsignedField &>(Result)); | |||
3940 | ||||
3941 | if (Lex.getKind() != lltok::DwarfTag) | |||
3942 | return TokError("expected DWARF tag"); | |||
3943 | ||||
3944 | unsigned Tag = dwarf::getTag(Lex.getStrVal()); | |||
3945 | if (Tag == dwarf::DW_TAG_invalid) | |||
3946 | return TokError("invalid DWARF tag" + Twine(" '") + Lex.getStrVal() + "'"); | |||
3947 | assert(Tag <= Result.Max && "Expected valid DWARF tag")((Tag <= Result.Max && "Expected valid DWARF tag") ? static_cast<void> (0) : __assert_fail ("Tag <= Result.Max && \"Expected valid DWARF tag\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 3947, __PRETTY_FUNCTION__)); | |||
3948 | ||||
3949 | Result.assign(Tag); | |||
3950 | Lex.Lex(); | |||
3951 | return false; | |||
3952 | } | |||
3953 | ||||
3954 | template <> | |||
3955 | bool LLParser::ParseMDField(LocTy Loc, StringRef Name, | |||
3956 | DwarfMacinfoTypeField &Result) { | |||
3957 | if (Lex.getKind() == lltok::APSInt) | |||
3958 | return ParseMDField(Loc, Name, static_cast<MDUnsignedField &>(Result)); | |||
3959 | ||||
3960 | if (Lex.getKind() != lltok::DwarfMacinfo) | |||
3961 | return TokError("expected DWARF macinfo type"); | |||
3962 | ||||
3963 | unsigned Macinfo = dwarf::getMacinfo(Lex.getStrVal()); | |||
3964 | if (Macinfo == dwarf::DW_MACINFO_invalid) | |||
3965 | return TokError( | |||
3966 | "invalid DWARF macinfo type" + Twine(" '") + Lex.getStrVal() + "'"); | |||
3967 | assert(Macinfo <= Result.Max && "Expected valid DWARF macinfo type")((Macinfo <= Result.Max && "Expected valid DWARF macinfo type" ) ? static_cast<void> (0) : __assert_fail ("Macinfo <= Result.Max && \"Expected valid DWARF macinfo type\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 3967, __PRETTY_FUNCTION__)); | |||
3968 | ||||
3969 | Result.assign(Macinfo); | |||
3970 | Lex.Lex(); | |||
3971 | return false; | |||
3972 | } | |||
3973 | ||||
3974 | template <> | |||
3975 | bool LLParser::ParseMDField(LocTy Loc, StringRef Name, | |||
3976 | DwarfVirtualityField &Result) { | |||
3977 | if (Lex.getKind() == lltok::APSInt) | |||
3978 | return ParseMDField(Loc, Name, static_cast<MDUnsignedField &>(Result)); | |||
3979 | ||||
3980 | if (Lex.getKind() != lltok::DwarfVirtuality) | |||
3981 | return TokError("expected DWARF virtuality code"); | |||
3982 | ||||
3983 | unsigned Virtuality = dwarf::getVirtuality(Lex.getStrVal()); | |||
3984 | if (Virtuality == dwarf::DW_VIRTUALITY_invalid) | |||
3985 | return TokError("invalid DWARF virtuality code" + Twine(" '") + | |||
3986 | Lex.getStrVal() + "'"); | |||
3987 | assert(Virtuality <= Result.Max && "Expected valid DWARF virtuality code")((Virtuality <= Result.Max && "Expected valid DWARF virtuality code" ) ? static_cast<void> (0) : __assert_fail ("Virtuality <= Result.Max && \"Expected valid DWARF virtuality code\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 3987, __PRETTY_FUNCTION__)); | |||
3988 | Result.assign(Virtuality); | |||
3989 | Lex.Lex(); | |||
3990 | return false; | |||
3991 | } | |||
3992 | ||||
3993 | template <> | |||
3994 | bool LLParser::ParseMDField(LocTy Loc, StringRef Name, DwarfLangField &Result) { | |||
3995 | if (Lex.getKind() == lltok::APSInt) | |||
3996 | return ParseMDField(Loc, Name, static_cast<MDUnsignedField &>(Result)); | |||
3997 | ||||
3998 | if (Lex.getKind() != lltok::DwarfLang) | |||
3999 | return TokError("expected DWARF language"); | |||
4000 | ||||
4001 | unsigned Lang = dwarf::getLanguage(Lex.getStrVal()); | |||
4002 | if (!Lang) | |||
4003 | return TokError("invalid DWARF language" + Twine(" '") + Lex.getStrVal() + | |||
4004 | "'"); | |||
4005 | assert(Lang <= Result.Max && "Expected valid DWARF language")((Lang <= Result.Max && "Expected valid DWARF language" ) ? static_cast<void> (0) : __assert_fail ("Lang <= Result.Max && \"Expected valid DWARF language\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 4005, __PRETTY_FUNCTION__)); | |||
4006 | Result.assign(Lang); | |||
4007 | Lex.Lex(); | |||
4008 | return false; | |||
4009 | } | |||
4010 | ||||
4011 | template <> | |||
4012 | bool LLParser::ParseMDField(LocTy Loc, StringRef Name, DwarfCCField &Result) { | |||
4013 | if (Lex.getKind() == lltok::APSInt) | |||
4014 | return ParseMDField(Loc, Name, static_cast<MDUnsignedField &>(Result)); | |||
4015 | ||||
4016 | if (Lex.getKind() != lltok::DwarfCC) | |||
4017 | return TokError("expected DWARF calling convention"); | |||
4018 | ||||
4019 | unsigned CC = dwarf::getCallingConvention(Lex.getStrVal()); | |||
4020 | if (!CC) | |||
4021 | return TokError("invalid DWARF calling convention" + Twine(" '") + Lex.getStrVal() + | |||
4022 | "'"); | |||
4023 | assert(CC <= Result.Max && "Expected valid DWARF calling convention")((CC <= Result.Max && "Expected valid DWARF calling convention" ) ? static_cast<void> (0) : __assert_fail ("CC <= Result.Max && \"Expected valid DWARF calling convention\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 4023, __PRETTY_FUNCTION__)); | |||
4024 | Result.assign(CC); | |||
4025 | Lex.Lex(); | |||
4026 | return false; | |||
4027 | } | |||
4028 | ||||
4029 | template <> | |||
4030 | bool LLParser::ParseMDField(LocTy Loc, StringRef Name, EmissionKindField &Result) { | |||
4031 | if (Lex.getKind() == lltok::APSInt) | |||
4032 | return ParseMDField(Loc, Name, static_cast<MDUnsignedField &>(Result)); | |||
4033 | ||||
4034 | if (Lex.getKind() != lltok::EmissionKind) | |||
4035 | return TokError("expected emission kind"); | |||
4036 | ||||
4037 | auto Kind = DICompileUnit::getEmissionKind(Lex.getStrVal()); | |||
4038 | if (!Kind) | |||
4039 | return TokError("invalid emission kind" + Twine(" '") + Lex.getStrVal() + | |||
4040 | "'"); | |||
4041 | assert(*Kind <= Result.Max && "Expected valid emission kind")((*Kind <= Result.Max && "Expected valid emission kind" ) ? static_cast<void> (0) : __assert_fail ("*Kind <= Result.Max && \"Expected valid emission kind\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 4041, __PRETTY_FUNCTION__)); | |||
4042 | Result.assign(*Kind); | |||
4043 | Lex.Lex(); | |||
4044 | return false; | |||
4045 | } | |||
4046 | ||||
4047 | template <> | |||
4048 | bool LLParser::ParseMDField(LocTy Loc, StringRef Name, | |||
4049 | NameTableKindField &Result) { | |||
4050 | if (Lex.getKind() == lltok::APSInt) | |||
4051 | return ParseMDField(Loc, Name, static_cast<MDUnsignedField &>(Result)); | |||
4052 | ||||
4053 | if (Lex.getKind() != lltok::NameTableKind) | |||
4054 | return TokError("expected nameTable kind"); | |||
4055 | ||||
4056 | auto Kind = DICompileUnit::getNameTableKind(Lex.getStrVal()); | |||
4057 | if (!Kind) | |||
4058 | return TokError("invalid nameTable kind" + Twine(" '") + Lex.getStrVal() + | |||
4059 | "'"); | |||
4060 | assert(((unsigned)*Kind) <= Result.Max && "Expected valid nameTable kind")((((unsigned)*Kind) <= Result.Max && "Expected valid nameTable kind" ) ? static_cast<void> (0) : __assert_fail ("((unsigned)*Kind) <= Result.Max && \"Expected valid nameTable kind\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 4060, __PRETTY_FUNCTION__)); | |||
4061 | Result.assign((unsigned)*Kind); | |||
4062 | Lex.Lex(); | |||
4063 | return false; | |||
4064 | } | |||
4065 | ||||
4066 | template <> | |||
4067 | bool LLParser::ParseMDField(LocTy Loc, StringRef Name, | |||
4068 | DwarfAttEncodingField &Result) { | |||
4069 | if (Lex.getKind() == lltok::APSInt) | |||
4070 | return ParseMDField(Loc, Name, static_cast<MDUnsignedField &>(Result)); | |||
4071 | ||||
4072 | if (Lex.getKind() != lltok::DwarfAttEncoding) | |||
4073 | return TokError("expected DWARF type attribute encoding"); | |||
4074 | ||||
4075 | unsigned Encoding = dwarf::getAttributeEncoding(Lex.getStrVal()); | |||
4076 | if (!Encoding) | |||
4077 | return TokError("invalid DWARF type attribute encoding" + Twine(" '") + | |||
4078 | Lex.getStrVal() + "'"); | |||
4079 | assert(Encoding <= Result.Max && "Expected valid DWARF language")((Encoding <= Result.Max && "Expected valid DWARF language" ) ? static_cast<void> (0) : __assert_fail ("Encoding <= Result.Max && \"Expected valid DWARF language\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 4079, __PRETTY_FUNCTION__)); | |||
4080 | Result.assign(Encoding); | |||
4081 | Lex.Lex(); | |||
4082 | return false; | |||
4083 | } | |||
4084 | ||||
4085 | /// DIFlagField | |||
4086 | /// ::= uint32 | |||
4087 | /// ::= DIFlagVector | |||
4088 | /// ::= DIFlagVector '|' DIFlagFwdDecl '|' uint32 '|' DIFlagPublic | |||
4089 | template <> | |||
4090 | bool LLParser::ParseMDField(LocTy Loc, StringRef Name, DIFlagField &Result) { | |||
4091 | ||||
4092 | // Parser for a single flag. | |||
4093 | auto parseFlag = [&](DINode::DIFlags &Val) { | |||
4094 | if (Lex.getKind() == lltok::APSInt && !Lex.getAPSIntVal().isSigned()) { | |||
4095 | uint32_t TempVal = static_cast<uint32_t>(Val); | |||
4096 | bool Res = ParseUInt32(TempVal); | |||
4097 | Val = static_cast<DINode::DIFlags>(TempVal); | |||
4098 | return Res; | |||
4099 | } | |||
4100 | ||||
4101 | if (Lex.getKind() != lltok::DIFlag) | |||
4102 | return TokError("expected debug info flag"); | |||
4103 | ||||
4104 | Val = DINode::getFlag(Lex.getStrVal()); | |||
4105 | if (!Val) | |||
4106 | return TokError(Twine("invalid debug info flag flag '") + | |||
4107 | Lex.getStrVal() + "'"); | |||
4108 | Lex.Lex(); | |||
4109 | return false; | |||
4110 | }; | |||
4111 | ||||
4112 | // Parse the flags and combine them together. | |||
4113 | DINode::DIFlags Combined = DINode::FlagZero; | |||
4114 | do { | |||
4115 | DINode::DIFlags Val; | |||
4116 | if (parseFlag(Val)) | |||
4117 | return true; | |||
4118 | Combined |= Val; | |||
4119 | } while (EatIfPresent(lltok::bar)); | |||
4120 | ||||
4121 | Result.assign(Combined); | |||
4122 | return false; | |||
4123 | } | |||
4124 | ||||
4125 | /// DISPFlagField | |||
4126 | /// ::= uint32 | |||
4127 | /// ::= DISPFlagVector | |||
4128 | /// ::= DISPFlagVector '|' DISPFlag* '|' uint32 | |||
4129 | template <> | |||
4130 | bool LLParser::ParseMDField(LocTy Loc, StringRef Name, DISPFlagField &Result) { | |||
4131 | ||||
4132 | // Parser for a single flag. | |||
4133 | auto parseFlag = [&](DISubprogram::DISPFlags &Val) { | |||
4134 | if (Lex.getKind() == lltok::APSInt && !Lex.getAPSIntVal().isSigned()) { | |||
4135 | uint32_t TempVal = static_cast<uint32_t>(Val); | |||
4136 | bool Res = ParseUInt32(TempVal); | |||
4137 | Val = static_cast<DISubprogram::DISPFlags>(TempVal); | |||
4138 | return Res; | |||
4139 | } | |||
4140 | ||||
4141 | if (Lex.getKind() != lltok::DISPFlag) | |||
4142 | return TokError("expected debug info flag"); | |||
4143 | ||||
4144 | Val = DISubprogram::getFlag(Lex.getStrVal()); | |||
4145 | if (!Val) | |||
4146 | return TokError(Twine("invalid subprogram debug info flag '") + | |||
4147 | Lex.getStrVal() + "'"); | |||
4148 | Lex.Lex(); | |||
4149 | return false; | |||
4150 | }; | |||
4151 | ||||
4152 | // Parse the flags and combine them together. | |||
4153 | DISubprogram::DISPFlags Combined = DISubprogram::SPFlagZero; | |||
4154 | do { | |||
4155 | DISubprogram::DISPFlags Val; | |||
4156 | if (parseFlag(Val)) | |||
4157 | return true; | |||
4158 | Combined |= Val; | |||
4159 | } while (EatIfPresent(lltok::bar)); | |||
4160 | ||||
4161 | Result.assign(Combined); | |||
4162 | return false; | |||
4163 | } | |||
4164 | ||||
4165 | template <> | |||
4166 | bool LLParser::ParseMDField(LocTy Loc, StringRef Name, | |||
4167 | MDSignedField &Result) { | |||
4168 | if (Lex.getKind() != lltok::APSInt) | |||
4169 | return TokError("expected signed integer"); | |||
4170 | ||||
4171 | auto &S = Lex.getAPSIntVal(); | |||
4172 | if (S < Result.Min) | |||
4173 | return TokError("value for '" + Name + "' too small, limit is " + | |||
4174 | Twine(Result.Min)); | |||
4175 | if (S > Result.Max) | |||
4176 | return TokError("value for '" + Name + "' too large, limit is " + | |||
4177 | Twine(Result.Max)); | |||
4178 | Result.assign(S.getExtValue()); | |||
4179 | assert(Result.Val >= Result.Min && "Expected value in range")((Result.Val >= Result.Min && "Expected value in range" ) ? static_cast<void> (0) : __assert_fail ("Result.Val >= Result.Min && \"Expected value in range\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 4179, __PRETTY_FUNCTION__)); | |||
4180 | assert(Result.Val <= Result.Max && "Expected value in range")((Result.Val <= Result.Max && "Expected value in range" ) ? static_cast<void> (0) : __assert_fail ("Result.Val <= Result.Max && \"Expected value in range\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 4180, __PRETTY_FUNCTION__)); | |||
4181 | Lex.Lex(); | |||
4182 | return false; | |||
4183 | } | |||
4184 | ||||
4185 | template <> | |||
4186 | bool LLParser::ParseMDField(LocTy Loc, StringRef Name, MDBoolField &Result) { | |||
4187 | switch (Lex.getKind()) { | |||
4188 | default: | |||
4189 | return TokError("expected 'true' or 'false'"); | |||
4190 | case lltok::kw_true: | |||
4191 | Result.assign(true); | |||
4192 | break; | |||
4193 | case lltok::kw_false: | |||
4194 | Result.assign(false); | |||
4195 | break; | |||
4196 | } | |||
4197 | Lex.Lex(); | |||
4198 | return false; | |||
4199 | } | |||
4200 | ||||
4201 | template <> | |||
4202 | bool LLParser::ParseMDField(LocTy Loc, StringRef Name, MDField &Result) { | |||
4203 | if (Lex.getKind() == lltok::kw_null) { | |||
4204 | if (!Result.AllowNull) | |||
4205 | return TokError("'" + Name + "' cannot be null"); | |||
4206 | Lex.Lex(); | |||
4207 | Result.assign(nullptr); | |||
4208 | return false; | |||
4209 | } | |||
4210 | ||||
4211 | Metadata *MD; | |||
4212 | if (ParseMetadata(MD, nullptr)) | |||
4213 | return true; | |||
4214 | ||||
4215 | Result.assign(MD); | |||
4216 | return false; | |||
4217 | } | |||
4218 | ||||
4219 | template <> | |||
4220 | bool LLParser::ParseMDField(LocTy Loc, StringRef Name, | |||
4221 | MDSignedOrMDField &Result) { | |||
4222 | // Try to parse a signed int. | |||
4223 | if (Lex.getKind() == lltok::APSInt) { | |||
4224 | MDSignedField Res = Result.A; | |||
4225 | if (!ParseMDField(Loc, Name, Res)) { | |||
4226 | Result.assign(Res); | |||
4227 | return false; | |||
4228 | } | |||
4229 | return true; | |||
4230 | } | |||
4231 | ||||
4232 | // Otherwise, try to parse as an MDField. | |||
4233 | MDField Res = Result.B; | |||
4234 | if (!ParseMDField(Loc, Name, Res)) { | |||
4235 | Result.assign(Res); | |||
4236 | return false; | |||
4237 | } | |||
4238 | ||||
4239 | return true; | |||
4240 | } | |||
4241 | ||||
4242 | template <> | |||
4243 | bool LLParser::ParseMDField(LocTy Loc, StringRef Name, | |||
4244 | MDSignedOrUnsignedField &Result) { | |||
4245 | if (Lex.getKind() != lltok::APSInt) | |||
4246 | return false; | |||
4247 | ||||
4248 | if (Lex.getAPSIntVal().isSigned()) { | |||
4249 | MDSignedField Res = Result.A; | |||
4250 | if (ParseMDField(Loc, Name, Res)) | |||
4251 | return true; | |||
4252 | Result.assign(Res); | |||
4253 | return false; | |||
4254 | } | |||
4255 | ||||
4256 | MDUnsignedField Res = Result.B; | |||
4257 | if (ParseMDField(Loc, Name, Res)) | |||
4258 | return true; | |||
4259 | Result.assign(Res); | |||
4260 | return false; | |||
4261 | } | |||
4262 | ||||
4263 | template <> | |||
4264 | bool LLParser::ParseMDField(LocTy Loc, StringRef Name, MDStringField &Result) { | |||
4265 | LocTy ValueLoc = Lex.getLoc(); | |||
4266 | std::string S; | |||
4267 | if (ParseStringConstant(S)) | |||
4268 | return true; | |||
4269 | ||||
4270 | if (!Result.AllowEmpty && S.empty()) | |||
4271 | return Error(ValueLoc, "'" + Name + "' cannot be empty"); | |||
4272 | ||||
4273 | Result.assign(S.empty() ? nullptr : MDString::get(Context, S)); | |||
4274 | return false; | |||
4275 | } | |||
4276 | ||||
4277 | template <> | |||
4278 | bool LLParser::ParseMDField(LocTy Loc, StringRef Name, MDFieldList &Result) { | |||
4279 | SmallVector<Metadata *, 4> MDs; | |||
4280 | if (ParseMDNodeVector(MDs)) | |||
4281 | return true; | |||
4282 | ||||
4283 | Result.assign(std::move(MDs)); | |||
4284 | return false; | |||
4285 | } | |||
4286 | ||||
4287 | template <> | |||
4288 | bool LLParser::ParseMDField(LocTy Loc, StringRef Name, | |||
4289 | ChecksumKindField &Result) { | |||
4290 | Optional<DIFile::ChecksumKind> CSKind = | |||
4291 | DIFile::getChecksumKind(Lex.getStrVal()); | |||
4292 | ||||
4293 | if (Lex.getKind() != lltok::ChecksumKind || !CSKind) | |||
4294 | return TokError( | |||
4295 | "invalid checksum kind" + Twine(" '") + Lex.getStrVal() + "'"); | |||
4296 | ||||
4297 | Result.assign(*CSKind); | |||
4298 | Lex.Lex(); | |||
4299 | return false; | |||
4300 | } | |||
4301 | ||||
4302 | } // end namespace llvm | |||
4303 | ||||
4304 | template <class ParserTy> | |||
4305 | bool LLParser::ParseMDFieldsImplBody(ParserTy parseField) { | |||
4306 | do { | |||
4307 | if (Lex.getKind() != lltok::LabelStr) | |||
4308 | return TokError("expected field label here"); | |||
4309 | ||||
4310 | if (parseField()) | |||
4311 | return true; | |||
4312 | } while (EatIfPresent(lltok::comma)); | |||
4313 | ||||
4314 | return false; | |||
4315 | } | |||
4316 | ||||
4317 | template <class ParserTy> | |||
4318 | bool LLParser::ParseMDFieldsImpl(ParserTy parseField, LocTy &ClosingLoc) { | |||
4319 | assert(Lex.getKind() == lltok::MetadataVar && "Expected metadata type name")((Lex.getKind() == lltok::MetadataVar && "Expected metadata type name" ) ? static_cast<void> (0) : __assert_fail ("Lex.getKind() == lltok::MetadataVar && \"Expected metadata type name\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 4319, __PRETTY_FUNCTION__)); | |||
4320 | Lex.Lex(); | |||
4321 | ||||
4322 | if (ParseToken(lltok::lparen, "expected '(' here")) | |||
4323 | return true; | |||
4324 | if (Lex.getKind() != lltok::rparen) | |||
4325 | if (ParseMDFieldsImplBody(parseField)) | |||
4326 | return true; | |||
4327 | ||||
4328 | ClosingLoc = Lex.getLoc(); | |||
4329 | return ParseToken(lltok::rparen, "expected ')' here"); | |||
4330 | } | |||
4331 | ||||
4332 | template <class FieldTy> | |||
4333 | bool LLParser::ParseMDField(StringRef Name, FieldTy &Result) { | |||
4334 | if (Result.Seen) | |||
4335 | return TokError("field '" + Name + "' cannot be specified more than once"); | |||
4336 | ||||
4337 | LocTy Loc = Lex.getLoc(); | |||
4338 | Lex.Lex(); | |||
4339 | return ParseMDField(Loc, Name, Result); | |||
4340 | } | |||
4341 | ||||
4342 | bool LLParser::ParseSpecializedMDNode(MDNode *&N, bool IsDistinct) { | |||
4343 | assert(Lex.getKind() == lltok::MetadataVar && "Expected metadata type name")((Lex.getKind() == lltok::MetadataVar && "Expected metadata type name" ) ? static_cast<void> (0) : __assert_fail ("Lex.getKind() == lltok::MetadataVar && \"Expected metadata type name\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 4343, __PRETTY_FUNCTION__)); | |||
4344 | ||||
4345 | #define HANDLE_SPECIALIZED_MDNODE_LEAF(CLASS) \ | |||
4346 | if (Lex.getStrVal() == #CLASS) \ | |||
4347 | return Parse##CLASS(N, IsDistinct); | |||
4348 | #include "llvm/IR/Metadata.def" | |||
4349 | ||||
4350 | return TokError("expected metadata type"); | |||
4351 | } | |||
4352 | ||||
4353 | #define DECLARE_FIELD(NAME, TYPE, INIT) TYPE NAME INIT | |||
4354 | #define NOP_FIELD(NAME, TYPE, INIT) | |||
4355 | #define REQUIRE_FIELD(NAME, TYPE, INIT) \ | |||
4356 | if (!NAME.Seen) \ | |||
4357 | return Error(ClosingLoc, "missing required field '" #NAME "'"); | |||
4358 | #define PARSE_MD_FIELD(NAME, TYPE, DEFAULT) \ | |||
4359 | if (Lex.getStrVal() == #NAME) \ | |||
4360 | return ParseMDField(#NAME, NAME); | |||
4361 | #define PARSE_MD_FIELDS()VISIT_MD_FIELDS(DECLARE_FIELD, DECLARE_FIELD) do { LocTy ClosingLoc ; if (ParseMDFieldsImpl([&]() -> bool { VISIT_MD_FIELDS (PARSE_MD_FIELD, PARSE_MD_FIELD) return TokError(Twine("invalid field '" ) + Lex.getStrVal() + "'"); }, ClosingLoc)) return true; VISIT_MD_FIELDS (NOP_FIELD, REQUIRE_FIELD) } while (false) \ | |||
4362 | VISIT_MD_FIELDS(DECLARE_FIELD, DECLARE_FIELD) \ | |||
4363 | do { \ | |||
4364 | LocTy ClosingLoc; \ | |||
4365 | if (ParseMDFieldsImpl([&]() -> bool { \ | |||
4366 | VISIT_MD_FIELDS(PARSE_MD_FIELD, PARSE_MD_FIELD) \ | |||
4367 | return TokError(Twine("invalid field '") + Lex.getStrVal() + "'"); \ | |||
4368 | }, ClosingLoc)) \ | |||
4369 | return true; \ | |||
4370 | VISIT_MD_FIELDS(NOP_FIELD, REQUIRE_FIELD) \ | |||
4371 | } while (false) | |||
4372 | #define GET_OR_DISTINCT(CLASS, ARGS)(IsDistinct ? CLASS::getDistinct ARGS : CLASS::get ARGS) \ | |||
4373 | (IsDistinct ? CLASS::getDistinct ARGS : CLASS::get ARGS) | |||
4374 | ||||
4375 | /// ParseDILocationFields: | |||
4376 | /// ::= !DILocation(line: 43, column: 8, scope: !5, inlinedAt: !6, | |||
4377 | /// isImplicitCode: true) | |||
4378 | bool LLParser::ParseDILocation(MDNode *&Result, bool IsDistinct) { | |||
4379 | #define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \ | |||
4380 | OPTIONAL(line, LineField, ); \ | |||
4381 | OPTIONAL(column, ColumnField, ); \ | |||
4382 | REQUIRED(scope, MDField, (/* AllowNull */ false)); \ | |||
4383 | OPTIONAL(inlinedAt, MDField, ); \ | |||
4384 | OPTIONAL(isImplicitCode, MDBoolField, (false)); | |||
4385 | PARSE_MD_FIELDS()VISIT_MD_FIELDS(DECLARE_FIELD, DECLARE_FIELD) do { LocTy ClosingLoc ; if (ParseMDFieldsImpl([&]() -> bool { VISIT_MD_FIELDS (PARSE_MD_FIELD, PARSE_MD_FIELD) return TokError(Twine("invalid field '" ) + Lex.getStrVal() + "'"); }, ClosingLoc)) return true; VISIT_MD_FIELDS (NOP_FIELD, REQUIRE_FIELD) } while (false); | |||
4386 | #undef VISIT_MD_FIELDS | |||
4387 | ||||
4388 | Result = | |||
4389 | GET_OR_DISTINCT(DILocation, (Context, line.Val, column.Val, scope.Val,(IsDistinct ? DILocation::getDistinct (Context, line.Val, column .Val, scope.Val, inlinedAt.Val, isImplicitCode.Val) : DILocation ::get (Context, line.Val, column.Val, scope.Val, inlinedAt.Val , isImplicitCode.Val)) | |||
4390 | inlinedAt.Val, isImplicitCode.Val))(IsDistinct ? DILocation::getDistinct (Context, line.Val, column .Val, scope.Val, inlinedAt.Val, isImplicitCode.Val) : DILocation ::get (Context, line.Val, column.Val, scope.Val, inlinedAt.Val , isImplicitCode.Val)); | |||
4391 | return false; | |||
4392 | } | |||
4393 | ||||
4394 | /// ParseGenericDINode: | |||
4395 | /// ::= !GenericDINode(tag: 15, header: "...", operands: {...}) | |||
4396 | bool LLParser::ParseGenericDINode(MDNode *&Result, bool IsDistinct) { | |||
4397 | #define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \ | |||
4398 | REQUIRED(tag, DwarfTagField, ); \ | |||
4399 | OPTIONAL(header, MDStringField, ); \ | |||
4400 | OPTIONAL(operands, MDFieldList, ); | |||
4401 | PARSE_MD_FIELDS()VISIT_MD_FIELDS(DECLARE_FIELD, DECLARE_FIELD) do { LocTy ClosingLoc ; if (ParseMDFieldsImpl([&]() -> bool { VISIT_MD_FIELDS (PARSE_MD_FIELD, PARSE_MD_FIELD) return TokError(Twine("invalid field '" ) + Lex.getStrVal() + "'"); }, ClosingLoc)) return true; VISIT_MD_FIELDS (NOP_FIELD, REQUIRE_FIELD) } while (false); | |||
4402 | #undef VISIT_MD_FIELDS | |||
4403 | ||||
4404 | Result = GET_OR_DISTINCT(GenericDINode,(IsDistinct ? GenericDINode::getDistinct (Context, tag.Val, header .Val, operands.Val) : GenericDINode::get (Context, tag.Val, header .Val, operands.Val)) | |||
4405 | (Context, tag.Val, header.Val, operands.Val))(IsDistinct ? GenericDINode::getDistinct (Context, tag.Val, header .Val, operands.Val) : GenericDINode::get (Context, tag.Val, header .Val, operands.Val)); | |||
4406 | return false; | |||
4407 | } | |||
4408 | ||||
4409 | /// ParseDISubrange: | |||
4410 | /// ::= !DISubrange(count: 30, lowerBound: 2) | |||
4411 | /// ::= !DISubrange(count: !node, lowerBound: 2) | |||
4412 | bool LLParser::ParseDISubrange(MDNode *&Result, bool IsDistinct) { | |||
4413 | #define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \ | |||
4414 | REQUIRED(count, MDSignedOrMDField, (-1, -1, INT64_MAX(9223372036854775807L), false)); \ | |||
4415 | OPTIONAL(lowerBound, MDSignedField, ); | |||
4416 | PARSE_MD_FIELDS()VISIT_MD_FIELDS(DECLARE_FIELD, DECLARE_FIELD) do { LocTy ClosingLoc ; if (ParseMDFieldsImpl([&]() -> bool { VISIT_MD_FIELDS (PARSE_MD_FIELD, PARSE_MD_FIELD) return TokError(Twine("invalid field '" ) + Lex.getStrVal() + "'"); }, ClosingLoc)) return true; VISIT_MD_FIELDS (NOP_FIELD, REQUIRE_FIELD) } while (false); | |||
4417 | #undef VISIT_MD_FIELDS | |||
4418 | ||||
4419 | if (count.isMDSignedField()) | |||
4420 | Result = GET_OR_DISTINCT((IsDistinct ? DISubrange::getDistinct (Context, count.getMDSignedValue (), lowerBound.Val) : DISubrange::get (Context, count.getMDSignedValue (), lowerBound.Val)) | |||
4421 | DISubrange, (Context, count.getMDSignedValue(), lowerBound.Val))(IsDistinct ? DISubrange::getDistinct (Context, count.getMDSignedValue (), lowerBound.Val) : DISubrange::get (Context, count.getMDSignedValue (), lowerBound.Val)); | |||
4422 | else if (count.isMDField()) | |||
4423 | Result = GET_OR_DISTINCT((IsDistinct ? DISubrange::getDistinct (Context, count.getMDFieldValue (), lowerBound.Val) : DISubrange::get (Context, count.getMDFieldValue (), lowerBound.Val)) | |||
4424 | DISubrange, (Context, count.getMDFieldValue(), lowerBound.Val))(IsDistinct ? DISubrange::getDistinct (Context, count.getMDFieldValue (), lowerBound.Val) : DISubrange::get (Context, count.getMDFieldValue (), lowerBound.Val)); | |||
4425 | else | |||
4426 | return true; | |||
4427 | ||||
4428 | return false; | |||
4429 | } | |||
4430 | ||||
4431 | /// ParseDIEnumerator: | |||
4432 | /// ::= !DIEnumerator(value: 30, isUnsigned: true, name: "SomeKind") | |||
4433 | bool LLParser::ParseDIEnumerator(MDNode *&Result, bool IsDistinct) { | |||
4434 | #define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \ | |||
4435 | REQUIRED(name, MDStringField, ); \ | |||
4436 | REQUIRED(value, MDSignedOrUnsignedField, ); \ | |||
4437 | OPTIONAL(isUnsigned, MDBoolField, (false)); | |||
4438 | PARSE_MD_FIELDS()VISIT_MD_FIELDS(DECLARE_FIELD, DECLARE_FIELD) do { LocTy ClosingLoc ; if (ParseMDFieldsImpl([&]() -> bool { VISIT_MD_FIELDS (PARSE_MD_FIELD, PARSE_MD_FIELD) return TokError(Twine("invalid field '" ) + Lex.getStrVal() + "'"); }, ClosingLoc)) return true; VISIT_MD_FIELDS (NOP_FIELD, REQUIRE_FIELD) } while (false); | |||
4439 | #undef VISIT_MD_FIELDS | |||
4440 | ||||
4441 | if (isUnsigned.Val && value.isMDSignedField()) | |||
4442 | return TokError("unsigned enumerator with negative value"); | |||
4443 | ||||
4444 | int64_t Value = value.isMDSignedField() | |||
4445 | ? value.getMDSignedValue() | |||
4446 | : static_cast<int64_t>(value.getMDUnsignedValue()); | |||
4447 | Result = | |||
4448 | GET_OR_DISTINCT(DIEnumerator, (Context, Value, isUnsigned.Val, name.Val))(IsDistinct ? DIEnumerator::getDistinct (Context, Value, isUnsigned .Val, name.Val) : DIEnumerator::get (Context, Value, isUnsigned .Val, name.Val)); | |||
4449 | ||||
4450 | return false; | |||
4451 | } | |||
4452 | ||||
4453 | /// ParseDIBasicType: | |||
4454 | /// ::= !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, | |||
4455 | /// encoding: DW_ATE_encoding, flags: 0) | |||
4456 | bool LLParser::ParseDIBasicType(MDNode *&Result, bool IsDistinct) { | |||
4457 | #define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \ | |||
4458 | OPTIONAL(tag, DwarfTagField, (dwarf::DW_TAG_base_type)); \ | |||
4459 | OPTIONAL(name, MDStringField, ); \ | |||
4460 | OPTIONAL(size, MDUnsignedField, (0, UINT64_MAX(18446744073709551615UL))); \ | |||
4461 | OPTIONAL(align, MDUnsignedField, (0, UINT32_MAX(4294967295U))); \ | |||
4462 | OPTIONAL(encoding, DwarfAttEncodingField, ); \ | |||
4463 | OPTIONAL(flags, DIFlagField, ); | |||
4464 | PARSE_MD_FIELDS()VISIT_MD_FIELDS(DECLARE_FIELD, DECLARE_FIELD) do { LocTy ClosingLoc ; if (ParseMDFieldsImpl([&]() -> bool { VISIT_MD_FIELDS (PARSE_MD_FIELD, PARSE_MD_FIELD) return TokError(Twine("invalid field '" ) + Lex.getStrVal() + "'"); }, ClosingLoc)) return true; VISIT_MD_FIELDS (NOP_FIELD, REQUIRE_FIELD) } while (false); | |||
4465 | #undef VISIT_MD_FIELDS | |||
4466 | ||||
4467 | Result = GET_OR_DISTINCT(DIBasicType, (Context, tag.Val, name.Val, size.Val,(IsDistinct ? DIBasicType::getDistinct (Context, tag.Val, name .Val, size.Val, align.Val, encoding.Val, flags.Val) : DIBasicType ::get (Context, tag.Val, name.Val, size.Val, align.Val, encoding .Val, flags.Val)) | |||
4468 | align.Val, encoding.Val, flags.Val))(IsDistinct ? DIBasicType::getDistinct (Context, tag.Val, name .Val, size.Val, align.Val, encoding.Val, flags.Val) : DIBasicType ::get (Context, tag.Val, name.Val, size.Val, align.Val, encoding .Val, flags.Val)); | |||
4469 | return false; | |||
4470 | } | |||
4471 | ||||
4472 | /// ParseDIDerivedType: | |||
4473 | /// ::= !DIDerivedType(tag: DW_TAG_pointer_type, name: "int", file: !0, | |||
4474 | /// line: 7, scope: !1, baseType: !2, size: 32, | |||
4475 | /// align: 32, offset: 0, flags: 0, extraData: !3, | |||
4476 | /// dwarfAddressSpace: 3) | |||
4477 | bool LLParser::ParseDIDerivedType(MDNode *&Result, bool IsDistinct) { | |||
4478 | #define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \ | |||
4479 | REQUIRED(tag, DwarfTagField, ); \ | |||
4480 | OPTIONAL(name, MDStringField, ); \ | |||
4481 | OPTIONAL(file, MDField, ); \ | |||
4482 | OPTIONAL(line, LineField, ); \ | |||
4483 | OPTIONAL(scope, MDField, ); \ | |||
4484 | REQUIRED(baseType, MDField, ); \ | |||
4485 | OPTIONAL(size, MDUnsignedField, (0, UINT64_MAX(18446744073709551615UL))); \ | |||
4486 | OPTIONAL(align, MDUnsignedField, (0, UINT32_MAX(4294967295U))); \ | |||
4487 | OPTIONAL(offset, MDUnsignedField, (0, UINT64_MAX(18446744073709551615UL))); \ | |||
4488 | OPTIONAL(flags, DIFlagField, ); \ | |||
4489 | OPTIONAL(extraData, MDField, ); \ | |||
4490 | OPTIONAL(dwarfAddressSpace, MDUnsignedField, (UINT32_MAX(4294967295U), UINT32_MAX(4294967295U))); | |||
4491 | PARSE_MD_FIELDS()VISIT_MD_FIELDS(DECLARE_FIELD, DECLARE_FIELD) do { LocTy ClosingLoc ; if (ParseMDFieldsImpl([&]() -> bool { VISIT_MD_FIELDS (PARSE_MD_FIELD, PARSE_MD_FIELD) return TokError(Twine("invalid field '" ) + Lex.getStrVal() + "'"); }, ClosingLoc)) return true; VISIT_MD_FIELDS (NOP_FIELD, REQUIRE_FIELD) } while (false); | |||
4492 | #undef VISIT_MD_FIELDS | |||
4493 | ||||
4494 | Optional<unsigned> DWARFAddressSpace; | |||
4495 | if (dwarfAddressSpace.Val != UINT32_MAX(4294967295U)) | |||
4496 | DWARFAddressSpace = dwarfAddressSpace.Val; | |||
4497 | ||||
4498 | Result = GET_OR_DISTINCT(DIDerivedType,(IsDistinct ? DIDerivedType::getDistinct (Context, tag.Val, name .Val, file.Val, line.Val, scope.Val, baseType.Val, size.Val, align .Val, offset.Val, DWARFAddressSpace, flags.Val, extraData.Val ) : DIDerivedType::get (Context, tag.Val, name.Val, file.Val, line.Val, scope.Val, baseType.Val, size.Val, align.Val, offset .Val, DWARFAddressSpace, flags.Val, extraData.Val)) | |||
4499 | (Context, tag.Val, name.Val, file.Val, line.Val,(IsDistinct ? DIDerivedType::getDistinct (Context, tag.Val, name .Val, file.Val, line.Val, scope.Val, baseType.Val, size.Val, align .Val, offset.Val, DWARFAddressSpace, flags.Val, extraData.Val ) : DIDerivedType::get (Context, tag.Val, name.Val, file.Val, line.Val, scope.Val, baseType.Val, size.Val, align.Val, offset .Val, DWARFAddressSpace, flags.Val, extraData.Val)) | |||
4500 | scope.Val, baseType.Val, size.Val, align.Val,(IsDistinct ? DIDerivedType::getDistinct (Context, tag.Val, name .Val, file.Val, line.Val, scope.Val, baseType.Val, size.Val, align .Val, offset.Val, DWARFAddressSpace, flags.Val, extraData.Val ) : DIDerivedType::get (Context, tag.Val, name.Val, file.Val, line.Val, scope.Val, baseType.Val, size.Val, align.Val, offset .Val, DWARFAddressSpace, flags.Val, extraData.Val)) | |||
4501 | offset.Val, DWARFAddressSpace, flags.Val,(IsDistinct ? DIDerivedType::getDistinct (Context, tag.Val, name .Val, file.Val, line.Val, scope.Val, baseType.Val, size.Val, align .Val, offset.Val, DWARFAddressSpace, flags.Val, extraData.Val ) : DIDerivedType::get (Context, tag.Val, name.Val, file.Val, line.Val, scope.Val, baseType.Val, size.Val, align.Val, offset .Val, DWARFAddressSpace, flags.Val, extraData.Val)) | |||
4502 | extraData.Val))(IsDistinct ? DIDerivedType::getDistinct (Context, tag.Val, name .Val, file.Val, line.Val, scope.Val, baseType.Val, size.Val, align .Val, offset.Val, DWARFAddressSpace, flags.Val, extraData.Val ) : DIDerivedType::get (Context, tag.Val, name.Val, file.Val, line.Val, scope.Val, baseType.Val, size.Val, align.Val, offset .Val, DWARFAddressSpace, flags.Val, extraData.Val)); | |||
4503 | return false; | |||
4504 | } | |||
4505 | ||||
4506 | bool LLParser::ParseDICompositeType(MDNode *&Result, bool IsDistinct) { | |||
4507 | #define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \ | |||
4508 | REQUIRED(tag, DwarfTagField, ); \ | |||
4509 | OPTIONAL(name, MDStringField, ); \ | |||
4510 | OPTIONAL(file, MDField, ); \ | |||
4511 | OPTIONAL(line, LineField, ); \ | |||
4512 | OPTIONAL(scope, MDField, ); \ | |||
4513 | OPTIONAL(baseType, MDField, ); \ | |||
4514 | OPTIONAL(size, MDUnsignedField, (0, UINT64_MAX(18446744073709551615UL))); \ | |||
4515 | OPTIONAL(align, MDUnsignedField, (0, UINT32_MAX(4294967295U))); \ | |||
4516 | OPTIONAL(offset, MDUnsignedField, (0, UINT64_MAX(18446744073709551615UL))); \ | |||
4517 | OPTIONAL(flags, DIFlagField, ); \ | |||
4518 | OPTIONAL(elements, MDField, ); \ | |||
4519 | OPTIONAL(runtimeLang, DwarfLangField, ); \ | |||
4520 | OPTIONAL(vtableHolder, MDField, ); \ | |||
4521 | OPTIONAL(templateParams, MDField, ); \ | |||
4522 | OPTIONAL(identifier, MDStringField, ); \ | |||
4523 | OPTIONAL(discriminator, MDField, ); | |||
4524 | PARSE_MD_FIELDS()VISIT_MD_FIELDS(DECLARE_FIELD, DECLARE_FIELD) do { LocTy ClosingLoc ; if (ParseMDFieldsImpl([&]() -> bool { VISIT_MD_FIELDS (PARSE_MD_FIELD, PARSE_MD_FIELD) return TokError(Twine("invalid field '" ) + Lex.getStrVal() + "'"); }, ClosingLoc)) return true; VISIT_MD_FIELDS (NOP_FIELD, REQUIRE_FIELD) } while (false); | |||
4525 | #undef VISIT_MD_FIELDS | |||
4526 | ||||
4527 | // If this has an identifier try to build an ODR type. | |||
4528 | if (identifier.Val) | |||
4529 | if (auto *CT = DICompositeType::buildODRType( | |||
4530 | Context, *identifier.Val, tag.Val, name.Val, file.Val, line.Val, | |||
4531 | scope.Val, baseType.Val, size.Val, align.Val, offset.Val, flags.Val, | |||
4532 | elements.Val, runtimeLang.Val, vtableHolder.Val, | |||
4533 | templateParams.Val, discriminator.Val)) { | |||
4534 | Result = CT; | |||
4535 | return false; | |||
4536 | } | |||
4537 | ||||
4538 | // Create a new node, and save it in the context if it belongs in the type | |||
4539 | // map. | |||
4540 | Result = GET_OR_DISTINCT((IsDistinct ? DICompositeType::getDistinct (Context, tag.Val, name.Val, file.Val, line.Val, scope.Val, baseType.Val, size. Val, align.Val, offset.Val, flags.Val, elements.Val, runtimeLang .Val, vtableHolder.Val, templateParams.Val, identifier.Val, discriminator .Val) : DICompositeType::get (Context, tag.Val, name.Val, file .Val, line.Val, scope.Val, baseType.Val, size.Val, align.Val, offset.Val, flags.Val, elements.Val, runtimeLang.Val, vtableHolder .Val, templateParams.Val, identifier.Val, discriminator.Val)) | |||
4541 | DICompositeType,(IsDistinct ? DICompositeType::getDistinct (Context, tag.Val, name.Val, file.Val, line.Val, scope.Val, baseType.Val, size. Val, align.Val, offset.Val, flags.Val, elements.Val, runtimeLang .Val, vtableHolder.Val, templateParams.Val, identifier.Val, discriminator .Val) : DICompositeType::get (Context, tag.Val, name.Val, file .Val, line.Val, scope.Val, baseType.Val, size.Val, align.Val, offset.Val, flags.Val, elements.Val, runtimeLang.Val, vtableHolder .Val, templateParams.Val, identifier.Val, discriminator.Val)) | |||
4542 | (Context, tag.Val, name.Val, file.Val, line.Val, scope.Val, baseType.Val,(IsDistinct ? DICompositeType::getDistinct (Context, tag.Val, name.Val, file.Val, line.Val, scope.Val, baseType.Val, size. Val, align.Val, offset.Val, flags.Val, elements.Val, runtimeLang .Val, vtableHolder.Val, templateParams.Val, identifier.Val, discriminator .Val) : DICompositeType::get (Context, tag.Val, name.Val, file .Val, line.Val, scope.Val, baseType.Val, size.Val, align.Val, offset.Val, flags.Val, elements.Val, runtimeLang.Val, vtableHolder .Val, templateParams.Val, identifier.Val, discriminator.Val)) | |||
4543 | size.Val, align.Val, offset.Val, flags.Val, elements.Val,(IsDistinct ? DICompositeType::getDistinct (Context, tag.Val, name.Val, file.Val, line.Val, scope.Val, baseType.Val, size. Val, align.Val, offset.Val, flags.Val, elements.Val, runtimeLang .Val, vtableHolder.Val, templateParams.Val, identifier.Val, discriminator .Val) : DICompositeType::get (Context, tag.Val, name.Val, file .Val, line.Val, scope.Val, baseType.Val, size.Val, align.Val, offset.Val, flags.Val, elements.Val, runtimeLang.Val, vtableHolder .Val, templateParams.Val, identifier.Val, discriminator.Val)) | |||
4544 | runtimeLang.Val, vtableHolder.Val, templateParams.Val, identifier.Val,(IsDistinct ? DICompositeType::getDistinct (Context, tag.Val, name.Val, file.Val, line.Val, scope.Val, baseType.Val, size. Val, align.Val, offset.Val, flags.Val, elements.Val, runtimeLang .Val, vtableHolder.Val, templateParams.Val, identifier.Val, discriminator .Val) : DICompositeType::get (Context, tag.Val, name.Val, file .Val, line.Val, scope.Val, baseType.Val, size.Val, align.Val, offset.Val, flags.Val, elements.Val, runtimeLang.Val, vtableHolder .Val, templateParams.Val, identifier.Val, discriminator.Val)) | |||
4545 | discriminator.Val))(IsDistinct ? DICompositeType::getDistinct (Context, tag.Val, name.Val, file.Val, line.Val, scope.Val, baseType.Val, size. Val, align.Val, offset.Val, flags.Val, elements.Val, runtimeLang .Val, vtableHolder.Val, templateParams.Val, identifier.Val, discriminator .Val) : DICompositeType::get (Context, tag.Val, name.Val, file .Val, line.Val, scope.Val, baseType.Val, size.Val, align.Val, offset.Val, flags.Val, elements.Val, runtimeLang.Val, vtableHolder .Val, templateParams.Val, identifier.Val, discriminator.Val)); | |||
4546 | return false; | |||
4547 | } | |||
4548 | ||||
4549 | bool LLParser::ParseDISubroutineType(MDNode *&Result, bool IsDistinct) { | |||
4550 | #define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \ | |||
4551 | OPTIONAL(flags, DIFlagField, ); \ | |||
4552 | OPTIONAL(cc, DwarfCCField, ); \ | |||
4553 | REQUIRED(types, MDField, ); | |||
4554 | PARSE_MD_FIELDS()VISIT_MD_FIELDS(DECLARE_FIELD, DECLARE_FIELD) do { LocTy ClosingLoc ; if (ParseMDFieldsImpl([&]() -> bool { VISIT_MD_FIELDS (PARSE_MD_FIELD, PARSE_MD_FIELD) return TokError(Twine("invalid field '" ) + Lex.getStrVal() + "'"); }, ClosingLoc)) return true; VISIT_MD_FIELDS (NOP_FIELD, REQUIRE_FIELD) } while (false); | |||
4555 | #undef VISIT_MD_FIELDS | |||
4556 | ||||
4557 | Result = GET_OR_DISTINCT(DISubroutineType,(IsDistinct ? DISubroutineType::getDistinct (Context, flags.Val , cc.Val, types.Val) : DISubroutineType::get (Context, flags. Val, cc.Val, types.Val)) | |||
4558 | (Context, flags.Val, cc.Val, types.Val))(IsDistinct ? DISubroutineType::getDistinct (Context, flags.Val , cc.Val, types.Val) : DISubroutineType::get (Context, flags. Val, cc.Val, types.Val)); | |||
4559 | return false; | |||
4560 | } | |||
4561 | ||||
4562 | /// ParseDIFileType: | |||
4563 | /// ::= !DIFileType(filename: "path/to/file", directory: "/path/to/dir", | |||
4564 | /// checksumkind: CSK_MD5, | |||
4565 | /// checksum: "000102030405060708090a0b0c0d0e0f", | |||
4566 | /// source: "source file contents") | |||
4567 | bool LLParser::ParseDIFile(MDNode *&Result, bool IsDistinct) { | |||
4568 | // The default constructed value for checksumkind is required, but will never | |||
4569 | // be used, as the parser checks if the field was actually Seen before using | |||
4570 | // the Val. | |||
4571 | #define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \ | |||
4572 | REQUIRED(filename, MDStringField, ); \ | |||
4573 | REQUIRED(directory, MDStringField, ); \ | |||
4574 | OPTIONAL(checksumkind, ChecksumKindField, (DIFile::CSK_MD5)); \ | |||
4575 | OPTIONAL(checksum, MDStringField, ); \ | |||
4576 | OPTIONAL(source, MDStringField, ); | |||
4577 | PARSE_MD_FIELDS()VISIT_MD_FIELDS(DECLARE_FIELD, DECLARE_FIELD) do { LocTy ClosingLoc ; if (ParseMDFieldsImpl([&]() -> bool { VISIT_MD_FIELDS (PARSE_MD_FIELD, PARSE_MD_FIELD) return TokError(Twine("invalid field '" ) + Lex.getStrVal() + "'"); }, ClosingLoc)) return true; VISIT_MD_FIELDS (NOP_FIELD, REQUIRE_FIELD) } while (false); | |||
4578 | #undef VISIT_MD_FIELDS | |||
4579 | ||||
4580 | Optional<DIFile::ChecksumInfo<MDString *>> OptChecksum; | |||
4581 | if (checksumkind.Seen && checksum.Seen) | |||
4582 | OptChecksum.emplace(checksumkind.Val, checksum.Val); | |||
4583 | else if (checksumkind.Seen || checksum.Seen) | |||
4584 | return Lex.Error("'checksumkind' and 'checksum' must be provided together"); | |||
4585 | ||||
4586 | Optional<MDString *> OptSource; | |||
4587 | if (source.Seen) | |||
4588 | OptSource = source.Val; | |||
4589 | Result = GET_OR_DISTINCT(DIFile, (Context, filename.Val, directory.Val,(IsDistinct ? DIFile::getDistinct (Context, filename.Val, directory .Val, OptChecksum, OptSource) : DIFile::get (Context, filename .Val, directory.Val, OptChecksum, OptSource)) | |||
4590 | OptChecksum, OptSource))(IsDistinct ? DIFile::getDistinct (Context, filename.Val, directory .Val, OptChecksum, OptSource) : DIFile::get (Context, filename .Val, directory.Val, OptChecksum, OptSource)); | |||
4591 | return false; | |||
4592 | } | |||
4593 | ||||
4594 | /// ParseDICompileUnit: | |||
4595 | /// ::= !DICompileUnit(language: DW_LANG_C99, file: !0, producer: "clang", | |||
4596 | /// isOptimized: true, flags: "-O2", runtimeVersion: 1, | |||
4597 | /// splitDebugFilename: "abc.debug", | |||
4598 | /// emissionKind: FullDebug, enums: !1, retainedTypes: !2, | |||
4599 | /// globals: !4, imports: !5, macros: !6, dwoId: 0x0abcd) | |||
4600 | bool LLParser::ParseDICompileUnit(MDNode *&Result, bool IsDistinct) { | |||
4601 | if (!IsDistinct) | |||
4602 | return Lex.Error("missing 'distinct', required for !DICompileUnit"); | |||
4603 | ||||
4604 | #define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \ | |||
4605 | REQUIRED(language, DwarfLangField, ); \ | |||
4606 | REQUIRED(file, MDField, (/* AllowNull */ false)); \ | |||
4607 | OPTIONAL(producer, MDStringField, ); \ | |||
4608 | OPTIONAL(isOptimized, MDBoolField, ); \ | |||
4609 | OPTIONAL(flags, MDStringField, ); \ | |||
4610 | OPTIONAL(runtimeVersion, MDUnsignedField, (0, UINT32_MAX(4294967295U))); \ | |||
4611 | OPTIONAL(splitDebugFilename, MDStringField, ); \ | |||
4612 | OPTIONAL(emissionKind, EmissionKindField, ); \ | |||
4613 | OPTIONAL(enums, MDField, ); \ | |||
4614 | OPTIONAL(retainedTypes, MDField, ); \ | |||
4615 | OPTIONAL(globals, MDField, ); \ | |||
4616 | OPTIONAL(imports, MDField, ); \ | |||
4617 | OPTIONAL(macros, MDField, ); \ | |||
4618 | OPTIONAL(dwoId, MDUnsignedField, ); \ | |||
4619 | OPTIONAL(splitDebugInlining, MDBoolField, = true); \ | |||
4620 | OPTIONAL(debugInfoForProfiling, MDBoolField, = false); \ | |||
4621 | OPTIONAL(nameTableKind, NameTableKindField, ); \ | |||
4622 | OPTIONAL(debugBaseAddress, MDBoolField, = false); | |||
4623 | PARSE_MD_FIELDS()VISIT_MD_FIELDS(DECLARE_FIELD, DECLARE_FIELD) do { LocTy ClosingLoc ; if (ParseMDFieldsImpl([&]() -> bool { VISIT_MD_FIELDS (PARSE_MD_FIELD, PARSE_MD_FIELD) return TokError(Twine("invalid field '" ) + Lex.getStrVal() + "'"); }, ClosingLoc)) return true; VISIT_MD_FIELDS (NOP_FIELD, REQUIRE_FIELD) } while (false); | |||
4624 | #undef VISIT_MD_FIELDS | |||
4625 | ||||
4626 | Result = DICompileUnit::getDistinct( | |||
4627 | Context, language.Val, file.Val, producer.Val, isOptimized.Val, flags.Val, | |||
4628 | runtimeVersion.Val, splitDebugFilename.Val, emissionKind.Val, enums.Val, | |||
4629 | retainedTypes.Val, globals.Val, imports.Val, macros.Val, dwoId.Val, | |||
4630 | splitDebugInlining.Val, debugInfoForProfiling.Val, nameTableKind.Val, | |||
4631 | debugBaseAddress.Val); | |||
4632 | return false; | |||
4633 | } | |||
4634 | ||||
4635 | /// ParseDISubprogram: | |||
4636 | /// ::= !DISubprogram(scope: !0, name: "foo", linkageName: "_Zfoo", | |||
4637 | /// file: !1, line: 7, type: !2, isLocal: false, | |||
4638 | /// isDefinition: true, scopeLine: 8, containingType: !3, | |||
4639 | /// virtuality: DW_VIRTUALTIY_pure_virtual, | |||
4640 | /// virtualIndex: 10, thisAdjustment: 4, flags: 11, | |||
4641 | /// spFlags: 10, isOptimized: false, templateParams: !4, | |||
4642 | /// declaration: !5, retainedNodes: !6, thrownTypes: !7) | |||
4643 | bool LLParser::ParseDISubprogram(MDNode *&Result, bool IsDistinct) { | |||
4644 | auto Loc = Lex.getLoc(); | |||
4645 | #define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \ | |||
4646 | OPTIONAL(scope, MDField, ); \ | |||
4647 | OPTIONAL(name, MDStringField, ); \ | |||
4648 | OPTIONAL(linkageName, MDStringField, ); \ | |||
4649 | OPTIONAL(file, MDField, ); \ | |||
4650 | OPTIONAL(line, LineField, ); \ | |||
4651 | OPTIONAL(type, MDField, ); \ | |||
4652 | OPTIONAL(isLocal, MDBoolField, ); \ | |||
4653 | OPTIONAL(isDefinition, MDBoolField, (true)); \ | |||
4654 | OPTIONAL(scopeLine, LineField, ); \ | |||
4655 | OPTIONAL(containingType, MDField, ); \ | |||
4656 | OPTIONAL(virtuality, DwarfVirtualityField, ); \ | |||
4657 | OPTIONAL(virtualIndex, MDUnsignedField, (0, UINT32_MAX(4294967295U))); \ | |||
4658 | OPTIONAL(thisAdjustment, MDSignedField, (0, INT32_MIN(-2147483647-1), INT32_MAX(2147483647))); \ | |||
4659 | OPTIONAL(flags, DIFlagField, ); \ | |||
4660 | OPTIONAL(spFlags, DISPFlagField, ); \ | |||
4661 | OPTIONAL(isOptimized, MDBoolField, ); \ | |||
4662 | OPTIONAL(unit, MDField, ); \ | |||
4663 | OPTIONAL(templateParams, MDField, ); \ | |||
4664 | OPTIONAL(declaration, MDField, ); \ | |||
4665 | OPTIONAL(retainedNodes, MDField, ); \ | |||
4666 | OPTIONAL(thrownTypes, MDField, ); | |||
4667 | PARSE_MD_FIELDS()VISIT_MD_FIELDS(DECLARE_FIELD, DECLARE_FIELD) do { LocTy ClosingLoc ; if (ParseMDFieldsImpl([&]() -> bool { VISIT_MD_FIELDS (PARSE_MD_FIELD, PARSE_MD_FIELD) return TokError(Twine("invalid field '" ) + Lex.getStrVal() + "'"); }, ClosingLoc)) return true; VISIT_MD_FIELDS (NOP_FIELD, REQUIRE_FIELD) } while (false); | |||
4668 | #undef VISIT_MD_FIELDS | |||
4669 | ||||
4670 | // An explicit spFlags field takes precedence over individual fields in | |||
4671 | // older IR versions. | |||
4672 | DISubprogram::DISPFlags SPFlags = | |||
4673 | spFlags.Seen ? spFlags.Val | |||
4674 | : DISubprogram::toSPFlags(isLocal.Val, isDefinition.Val, | |||
4675 | isOptimized.Val, virtuality.Val); | |||
4676 | if ((SPFlags & DISubprogram::SPFlagDefinition) && !IsDistinct) | |||
4677 | return Lex.Error( | |||
4678 | Loc, | |||
4679 | "missing 'distinct', required for !DISubprogram that is a Definition"); | |||
4680 | Result = GET_OR_DISTINCT((IsDistinct ? DISubprogram::getDistinct (Context, scope.Val, name .Val, linkageName.Val, file.Val, line.Val, type.Val, scopeLine .Val, containingType.Val, virtualIndex.Val, thisAdjustment.Val , flags.Val, SPFlags, unit.Val, templateParams.Val, declaration .Val, retainedNodes.Val, thrownTypes.Val) : DISubprogram::get (Context, scope.Val, name.Val, linkageName.Val, file.Val, line .Val, type.Val, scopeLine.Val, containingType.Val, virtualIndex .Val, thisAdjustment.Val, flags.Val, SPFlags, unit.Val, templateParams .Val, declaration.Val, retainedNodes.Val, thrownTypes.Val)) | |||
4681 | DISubprogram,(IsDistinct ? DISubprogram::getDistinct (Context, scope.Val, name .Val, linkageName.Val, file.Val, line.Val, type.Val, scopeLine .Val, containingType.Val, virtualIndex.Val, thisAdjustment.Val , flags.Val, SPFlags, unit.Val, templateParams.Val, declaration .Val, retainedNodes.Val, thrownTypes.Val) : DISubprogram::get (Context, scope.Val, name.Val, linkageName.Val, file.Val, line .Val, type.Val, scopeLine.Val, containingType.Val, virtualIndex .Val, thisAdjustment.Val, flags.Val, SPFlags, unit.Val, templateParams .Val, declaration.Val, retainedNodes.Val, thrownTypes.Val)) | |||
4682 | (Context, scope.Val, name.Val, linkageName.Val, file.Val, line.Val,(IsDistinct ? DISubprogram::getDistinct (Context, scope.Val, name .Val, linkageName.Val, file.Val, line.Val, type.Val, scopeLine .Val, containingType.Val, virtualIndex.Val, thisAdjustment.Val , flags.Val, SPFlags, unit.Val, templateParams.Val, declaration .Val, retainedNodes.Val, thrownTypes.Val) : DISubprogram::get (Context, scope.Val, name.Val, linkageName.Val, file.Val, line .Val, type.Val, scopeLine.Val, containingType.Val, virtualIndex .Val, thisAdjustment.Val, flags.Val, SPFlags, unit.Val, templateParams .Val, declaration.Val, retainedNodes.Val, thrownTypes.Val)) | |||
4683 | type.Val, scopeLine.Val, containingType.Val, virtualIndex.Val,(IsDistinct ? DISubprogram::getDistinct (Context, scope.Val, name .Val, linkageName.Val, file.Val, line.Val, type.Val, scopeLine .Val, containingType.Val, virtualIndex.Val, thisAdjustment.Val , flags.Val, SPFlags, unit.Val, templateParams.Val, declaration .Val, retainedNodes.Val, thrownTypes.Val) : DISubprogram::get (Context, scope.Val, name.Val, linkageName.Val, file.Val, line .Val, type.Val, scopeLine.Val, containingType.Val, virtualIndex .Val, thisAdjustment.Val, flags.Val, SPFlags, unit.Val, templateParams .Val, declaration.Val, retainedNodes.Val, thrownTypes.Val)) | |||
4684 | thisAdjustment.Val, flags.Val, SPFlags, unit.Val, templateParams.Val,(IsDistinct ? DISubprogram::getDistinct (Context, scope.Val, name .Val, linkageName.Val, file.Val, line.Val, type.Val, scopeLine .Val, containingType.Val, virtualIndex.Val, thisAdjustment.Val , flags.Val, SPFlags, unit.Val, templateParams.Val, declaration .Val, retainedNodes.Val, thrownTypes.Val) : DISubprogram::get (Context, scope.Val, name.Val, linkageName.Val, file.Val, line .Val, type.Val, scopeLine.Val, containingType.Val, virtualIndex .Val, thisAdjustment.Val, flags.Val, SPFlags, unit.Val, templateParams .Val, declaration.Val, retainedNodes.Val, thrownTypes.Val)) | |||
4685 | declaration.Val, retainedNodes.Val, thrownTypes.Val))(IsDistinct ? DISubprogram::getDistinct (Context, scope.Val, name .Val, linkageName.Val, file.Val, line.Val, type.Val, scopeLine .Val, containingType.Val, virtualIndex.Val, thisAdjustment.Val , flags.Val, SPFlags, unit.Val, templateParams.Val, declaration .Val, retainedNodes.Val, thrownTypes.Val) : DISubprogram::get (Context, scope.Val, name.Val, linkageName.Val, file.Val, line .Val, type.Val, scopeLine.Val, containingType.Val, virtualIndex .Val, thisAdjustment.Val, flags.Val, SPFlags, unit.Val, templateParams .Val, declaration.Val, retainedNodes.Val, thrownTypes.Val)); | |||
4686 | return false; | |||
4687 | } | |||
4688 | ||||
4689 | /// ParseDILexicalBlock: | |||
4690 | /// ::= !DILexicalBlock(scope: !0, file: !2, line: 7, column: 9) | |||
4691 | bool LLParser::ParseDILexicalBlock(MDNode *&Result, bool IsDistinct) { | |||
4692 | #define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \ | |||
4693 | REQUIRED(scope, MDField, (/* AllowNull */ false)); \ | |||
4694 | OPTIONAL(file, MDField, ); \ | |||
4695 | OPTIONAL(line, LineField, ); \ | |||
4696 | OPTIONAL(column, ColumnField, ); | |||
4697 | PARSE_MD_FIELDS()VISIT_MD_FIELDS(DECLARE_FIELD, DECLARE_FIELD) do { LocTy ClosingLoc ; if (ParseMDFieldsImpl([&]() -> bool { VISIT_MD_FIELDS (PARSE_MD_FIELD, PARSE_MD_FIELD) return TokError(Twine("invalid field '" ) + Lex.getStrVal() + "'"); }, ClosingLoc)) return true; VISIT_MD_FIELDS (NOP_FIELD, REQUIRE_FIELD) } while (false); | |||
4698 | #undef VISIT_MD_FIELDS | |||
4699 | ||||
4700 | Result = GET_OR_DISTINCT((IsDistinct ? DILexicalBlock::getDistinct (Context, scope.Val , file.Val, line.Val, column.Val) : DILexicalBlock::get (Context , scope.Val, file.Val, line.Val, column.Val)) | |||
4701 | DILexicalBlock, (Context, scope.Val, file.Val, line.Val, column.Val))(IsDistinct ? DILexicalBlock::getDistinct (Context, scope.Val , file.Val, line.Val, column.Val) : DILexicalBlock::get (Context , scope.Val, file.Val, line.Val, column.Val)); | |||
4702 | return false; | |||
4703 | } | |||
4704 | ||||
4705 | /// ParseDILexicalBlockFile: | |||
4706 | /// ::= !DILexicalBlockFile(scope: !0, file: !2, discriminator: 9) | |||
4707 | bool LLParser::ParseDILexicalBlockFile(MDNode *&Result, bool IsDistinct) { | |||
4708 | #define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \ | |||
4709 | REQUIRED(scope, MDField, (/* AllowNull */ false)); \ | |||
4710 | OPTIONAL(file, MDField, ); \ | |||
4711 | REQUIRED(discriminator, MDUnsignedField, (0, UINT32_MAX(4294967295U))); | |||
4712 | PARSE_MD_FIELDS()VISIT_MD_FIELDS(DECLARE_FIELD, DECLARE_FIELD) do { LocTy ClosingLoc ; if (ParseMDFieldsImpl([&]() -> bool { VISIT_MD_FIELDS (PARSE_MD_FIELD, PARSE_MD_FIELD) return TokError(Twine("invalid field '" ) + Lex.getStrVal() + "'"); }, ClosingLoc)) return true; VISIT_MD_FIELDS (NOP_FIELD, REQUIRE_FIELD) } while (false); | |||
4713 | #undef VISIT_MD_FIELDS | |||
4714 | ||||
4715 | Result = GET_OR_DISTINCT(DILexicalBlockFile,(IsDistinct ? DILexicalBlockFile::getDistinct (Context, scope .Val, file.Val, discriminator.Val) : DILexicalBlockFile::get ( Context, scope.Val, file.Val, discriminator.Val)) | |||
4716 | (Context, scope.Val, file.Val, discriminator.Val))(IsDistinct ? DILexicalBlockFile::getDistinct (Context, scope .Val, file.Val, discriminator.Val) : DILexicalBlockFile::get ( Context, scope.Val, file.Val, discriminator.Val)); | |||
4717 | return false; | |||
4718 | } | |||
4719 | ||||
4720 | /// ParseDICommonBlock: | |||
4721 | /// ::= !DICommonBlock(scope: !0, file: !2, name: "COMMON name", line: 9) | |||
4722 | bool LLParser::ParseDICommonBlock(MDNode *&Result, bool IsDistinct) { | |||
4723 | #define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \ | |||
4724 | REQUIRED(scope, MDField, ); \ | |||
4725 | OPTIONAL(declaration, MDField, ); \ | |||
4726 | OPTIONAL(name, MDStringField, ); \ | |||
4727 | OPTIONAL(file, MDField, ); \ | |||
4728 | OPTIONAL(line, LineField, ); | |||
4729 | PARSE_MD_FIELDS()VISIT_MD_FIELDS(DECLARE_FIELD, DECLARE_FIELD) do { LocTy ClosingLoc ; if (ParseMDFieldsImpl([&]() -> bool { VISIT_MD_FIELDS (PARSE_MD_FIELD, PARSE_MD_FIELD) return TokError(Twine("invalid field '" ) + Lex.getStrVal() + "'"); }, ClosingLoc)) return true; VISIT_MD_FIELDS (NOP_FIELD, REQUIRE_FIELD) } while (false); | |||
4730 | #undef VISIT_MD_FIELDS | |||
4731 | ||||
4732 | Result = GET_OR_DISTINCT(DICommonBlock,(IsDistinct ? DICommonBlock::getDistinct (Context, scope.Val, declaration.Val, name.Val, file.Val, line.Val) : DICommonBlock ::get (Context, scope.Val, declaration.Val, name.Val, file.Val , line.Val)) | |||
4733 | (Context, scope.Val, declaration.Val, name.Val,(IsDistinct ? DICommonBlock::getDistinct (Context, scope.Val, declaration.Val, name.Val, file.Val, line.Val) : DICommonBlock ::get (Context, scope.Val, declaration.Val, name.Val, file.Val , line.Val)) | |||
4734 | file.Val, line.Val))(IsDistinct ? DICommonBlock::getDistinct (Context, scope.Val, declaration.Val, name.Val, file.Val, line.Val) : DICommonBlock ::get (Context, scope.Val, declaration.Val, name.Val, file.Val , line.Val)); | |||
4735 | return false; | |||
4736 | } | |||
4737 | ||||
4738 | /// ParseDINamespace: | |||
4739 | /// ::= !DINamespace(scope: !0, file: !2, name: "SomeNamespace", line: 9) | |||
4740 | bool LLParser::ParseDINamespace(MDNode *&Result, bool IsDistinct) { | |||
4741 | #define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \ | |||
4742 | REQUIRED(scope, MDField, ); \ | |||
4743 | OPTIONAL(name, MDStringField, ); \ | |||
4744 | OPTIONAL(exportSymbols, MDBoolField, ); | |||
4745 | PARSE_MD_FIELDS()VISIT_MD_FIELDS(DECLARE_FIELD, DECLARE_FIELD) do { LocTy ClosingLoc ; if (ParseMDFieldsImpl([&]() -> bool { VISIT_MD_FIELDS (PARSE_MD_FIELD, PARSE_MD_FIELD) return TokError(Twine("invalid field '" ) + Lex.getStrVal() + "'"); }, ClosingLoc)) return true; VISIT_MD_FIELDS (NOP_FIELD, REQUIRE_FIELD) } while (false); | |||
4746 | #undef VISIT_MD_FIELDS | |||
4747 | ||||
4748 | Result = GET_OR_DISTINCT(DINamespace,(IsDistinct ? DINamespace::getDistinct (Context, scope.Val, name .Val, exportSymbols.Val) : DINamespace::get (Context, scope.Val , name.Val, exportSymbols.Val)) | |||
4749 | (Context, scope.Val, name.Val, exportSymbols.Val))(IsDistinct ? DINamespace::getDistinct (Context, scope.Val, name .Val, exportSymbols.Val) : DINamespace::get (Context, scope.Val , name.Val, exportSymbols.Val)); | |||
4750 | return false; | |||
4751 | } | |||
4752 | ||||
4753 | /// ParseDIMacro: | |||
4754 | /// ::= !DIMacro(macinfo: type, line: 9, name: "SomeMacro", value: "SomeValue") | |||
4755 | bool LLParser::ParseDIMacro(MDNode *&Result, bool IsDistinct) { | |||
4756 | #define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \ | |||
4757 | REQUIRED(type, DwarfMacinfoTypeField, ); \ | |||
4758 | OPTIONAL(line, LineField, ); \ | |||
4759 | REQUIRED(name, MDStringField, ); \ | |||
4760 | OPTIONAL(value, MDStringField, ); | |||
4761 | PARSE_MD_FIELDS()VISIT_MD_FIELDS(DECLARE_FIELD, DECLARE_FIELD) do { LocTy ClosingLoc ; if (ParseMDFieldsImpl([&]() -> bool { VISIT_MD_FIELDS (PARSE_MD_FIELD, PARSE_MD_FIELD) return TokError(Twine("invalid field '" ) + Lex.getStrVal() + "'"); }, ClosingLoc)) return true; VISIT_MD_FIELDS (NOP_FIELD, REQUIRE_FIELD) } while (false); | |||
4762 | #undef VISIT_MD_FIELDS | |||
4763 | ||||
4764 | Result = GET_OR_DISTINCT(DIMacro,(IsDistinct ? DIMacro::getDistinct (Context, type.Val, line.Val , name.Val, value.Val) : DIMacro::get (Context, type.Val, line .Val, name.Val, value.Val)) | |||
4765 | (Context, type.Val, line.Val, name.Val, value.Val))(IsDistinct ? DIMacro::getDistinct (Context, type.Val, line.Val , name.Val, value.Val) : DIMacro::get (Context, type.Val, line .Val, name.Val, value.Val)); | |||
4766 | return false; | |||
4767 | } | |||
4768 | ||||
4769 | /// ParseDIMacroFile: | |||
4770 | /// ::= !DIMacroFile(line: 9, file: !2, nodes: !3) | |||
4771 | bool LLParser::ParseDIMacroFile(MDNode *&Result, bool IsDistinct) { | |||
4772 | #define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \ | |||
4773 | OPTIONAL(type, DwarfMacinfoTypeField, (dwarf::DW_MACINFO_start_file)); \ | |||
4774 | OPTIONAL(line, LineField, ); \ | |||
4775 | REQUIRED(file, MDField, ); \ | |||
4776 | OPTIONAL(nodes, MDField, ); | |||
4777 | PARSE_MD_FIELDS()VISIT_MD_FIELDS(DECLARE_FIELD, DECLARE_FIELD) do { LocTy ClosingLoc ; if (ParseMDFieldsImpl([&]() -> bool { VISIT_MD_FIELDS (PARSE_MD_FIELD, PARSE_MD_FIELD) return TokError(Twine("invalid field '" ) + Lex.getStrVal() + "'"); }, ClosingLoc)) return true; VISIT_MD_FIELDS (NOP_FIELD, REQUIRE_FIELD) } while (false); | |||
4778 | #undef VISIT_MD_FIELDS | |||
4779 | ||||
4780 | Result = GET_OR_DISTINCT(DIMacroFile,(IsDistinct ? DIMacroFile::getDistinct (Context, type.Val, line .Val, file.Val, nodes.Val) : DIMacroFile::get (Context, type. Val, line.Val, file.Val, nodes.Val)) | |||
4781 | (Context, type.Val, line.Val, file.Val, nodes.Val))(IsDistinct ? DIMacroFile::getDistinct (Context, type.Val, line .Val, file.Val, nodes.Val) : DIMacroFile::get (Context, type. Val, line.Val, file.Val, nodes.Val)); | |||
4782 | return false; | |||
4783 | } | |||
4784 | ||||
4785 | /// ParseDIModule: | |||
4786 | /// ::= !DIModule(scope: !0, name: "SomeModule", configMacros: "-DNDEBUG", | |||
4787 | /// includePath: "/usr/include", isysroot: "/") | |||
4788 | bool LLParser::ParseDIModule(MDNode *&Result, bool IsDistinct) { | |||
4789 | #define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \ | |||
4790 | REQUIRED(scope, MDField, ); \ | |||
4791 | REQUIRED(name, MDStringField, ); \ | |||
4792 | OPTIONAL(configMacros, MDStringField, ); \ | |||
4793 | OPTIONAL(includePath, MDStringField, ); \ | |||
4794 | OPTIONAL(isysroot, MDStringField, ); | |||
4795 | PARSE_MD_FIELDS()VISIT_MD_FIELDS(DECLARE_FIELD, DECLARE_FIELD) do { LocTy ClosingLoc ; if (ParseMDFieldsImpl([&]() -> bool { VISIT_MD_FIELDS (PARSE_MD_FIELD, PARSE_MD_FIELD) return TokError(Twine("invalid field '" ) + Lex.getStrVal() + "'"); }, ClosingLoc)) return true; VISIT_MD_FIELDS (NOP_FIELD, REQUIRE_FIELD) } while (false); | |||
4796 | #undef VISIT_MD_FIELDS | |||
4797 | ||||
4798 | Result = GET_OR_DISTINCT(DIModule, (Context, scope.Val, name.Val,(IsDistinct ? DIModule::getDistinct (Context, scope.Val, name .Val, configMacros.Val, includePath.Val, isysroot.Val) : DIModule ::get (Context, scope.Val, name.Val, configMacros.Val, includePath .Val, isysroot.Val)) | |||
4799 | configMacros.Val, includePath.Val, isysroot.Val))(IsDistinct ? DIModule::getDistinct (Context, scope.Val, name .Val, configMacros.Val, includePath.Val, isysroot.Val) : DIModule ::get (Context, scope.Val, name.Val, configMacros.Val, includePath .Val, isysroot.Val)); | |||
4800 | return false; | |||
4801 | } | |||
4802 | ||||
4803 | /// ParseDITemplateTypeParameter: | |||
4804 | /// ::= !DITemplateTypeParameter(name: "Ty", type: !1) | |||
4805 | bool LLParser::ParseDITemplateTypeParameter(MDNode *&Result, bool IsDistinct) { | |||
4806 | #define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \ | |||
4807 | OPTIONAL(name, MDStringField, ); \ | |||
4808 | REQUIRED(type, MDField, ); | |||
4809 | PARSE_MD_FIELDS()VISIT_MD_FIELDS(DECLARE_FIELD, DECLARE_FIELD) do { LocTy ClosingLoc ; if (ParseMDFieldsImpl([&]() -> bool { VISIT_MD_FIELDS (PARSE_MD_FIELD, PARSE_MD_FIELD) return TokError(Twine("invalid field '" ) + Lex.getStrVal() + "'"); }, ClosingLoc)) return true; VISIT_MD_FIELDS (NOP_FIELD, REQUIRE_FIELD) } while (false); | |||
4810 | #undef VISIT_MD_FIELDS | |||
4811 | ||||
4812 | Result = | |||
4813 | GET_OR_DISTINCT(DITemplateTypeParameter, (Context, name.Val, type.Val))(IsDistinct ? DITemplateTypeParameter::getDistinct (Context, name .Val, type.Val) : DITemplateTypeParameter::get (Context, name .Val, type.Val)); | |||
4814 | return false; | |||
4815 | } | |||
4816 | ||||
4817 | /// ParseDITemplateValueParameter: | |||
4818 | /// ::= !DITemplateValueParameter(tag: DW_TAG_template_value_parameter, | |||
4819 | /// name: "V", type: !1, value: i32 7) | |||
4820 | bool LLParser::ParseDITemplateValueParameter(MDNode *&Result, bool IsDistinct) { | |||
4821 | #define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \ | |||
4822 | OPTIONAL(tag, DwarfTagField, (dwarf::DW_TAG_template_value_parameter)); \ | |||
4823 | OPTIONAL(name, MDStringField, ); \ | |||
4824 | OPTIONAL(type, MDField, ); \ | |||
4825 | REQUIRED(value, MDField, ); | |||
4826 | PARSE_MD_FIELDS()VISIT_MD_FIELDS(DECLARE_FIELD, DECLARE_FIELD) do { LocTy ClosingLoc ; if (ParseMDFieldsImpl([&]() -> bool { VISIT_MD_FIELDS (PARSE_MD_FIELD, PARSE_MD_FIELD) return TokError(Twine("invalid field '" ) + Lex.getStrVal() + "'"); }, ClosingLoc)) return true; VISIT_MD_FIELDS (NOP_FIELD, REQUIRE_FIELD) } while (false); | |||
4827 | #undef VISIT_MD_FIELDS | |||
4828 | ||||
4829 | Result = GET_OR_DISTINCT(DITemplateValueParameter,(IsDistinct ? DITemplateValueParameter::getDistinct (Context, tag.Val, name.Val, type.Val, value.Val) : DITemplateValueParameter ::get (Context, tag.Val, name.Val, type.Val, value.Val)) | |||
4830 | (Context, tag.Val, name.Val, type.Val, value.Val))(IsDistinct ? DITemplateValueParameter::getDistinct (Context, tag.Val, name.Val, type.Val, value.Val) : DITemplateValueParameter ::get (Context, tag.Val, name.Val, type.Val, value.Val)); | |||
4831 | return false; | |||
4832 | } | |||
4833 | ||||
4834 | /// ParseDIGlobalVariable: | |||
4835 | /// ::= !DIGlobalVariable(scope: !0, name: "foo", linkageName: "foo", | |||
4836 | /// file: !1, line: 7, type: !2, isLocal: false, | |||
4837 | /// isDefinition: true, templateParams: !3, | |||
4838 | /// declaration: !4, align: 8) | |||
4839 | bool LLParser::ParseDIGlobalVariable(MDNode *&Result, bool IsDistinct) { | |||
4840 | #define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \ | |||
4841 | REQUIRED(name, MDStringField, (/* AllowEmpty */ false)); \ | |||
4842 | OPTIONAL(scope, MDField, ); \ | |||
4843 | OPTIONAL(linkageName, MDStringField, ); \ | |||
4844 | OPTIONAL(file, MDField, ); \ | |||
4845 | OPTIONAL(line, LineField, ); \ | |||
4846 | OPTIONAL(type, MDField, ); \ | |||
4847 | OPTIONAL(isLocal, MDBoolField, ); \ | |||
4848 | OPTIONAL(isDefinition, MDBoolField, (true)); \ | |||
4849 | OPTIONAL(templateParams, MDField, ); \ | |||
4850 | OPTIONAL(declaration, MDField, ); \ | |||
4851 | OPTIONAL(align, MDUnsignedField, (0, UINT32_MAX(4294967295U))); | |||
4852 | PARSE_MD_FIELDS()VISIT_MD_FIELDS(DECLARE_FIELD, DECLARE_FIELD) do { LocTy ClosingLoc ; if (ParseMDFieldsImpl([&]() -> bool { VISIT_MD_FIELDS (PARSE_MD_FIELD, PARSE_MD_FIELD) return TokError(Twine("invalid field '" ) + Lex.getStrVal() + "'"); }, ClosingLoc)) return true; VISIT_MD_FIELDS (NOP_FIELD, REQUIRE_FIELD) } while (false); | |||
4853 | #undef VISIT_MD_FIELDS | |||
4854 | ||||
4855 | Result = | |||
4856 | GET_OR_DISTINCT(DIGlobalVariable,(IsDistinct ? DIGlobalVariable::getDistinct (Context, scope.Val , name.Val, linkageName.Val, file.Val, line.Val, type.Val, isLocal .Val, isDefinition.Val, declaration.Val, templateParams.Val, align .Val) : DIGlobalVariable::get (Context, scope.Val, name.Val, linkageName .Val, file.Val, line.Val, type.Val, isLocal.Val, isDefinition .Val, declaration.Val, templateParams.Val, align.Val)) | |||
4857 | (Context, scope.Val, name.Val, linkageName.Val, file.Val,(IsDistinct ? DIGlobalVariable::getDistinct (Context, scope.Val , name.Val, linkageName.Val, file.Val, line.Val, type.Val, isLocal .Val, isDefinition.Val, declaration.Val, templateParams.Val, align .Val) : DIGlobalVariable::get (Context, scope.Val, name.Val, linkageName .Val, file.Val, line.Val, type.Val, isLocal.Val, isDefinition .Val, declaration.Val, templateParams.Val, align.Val)) | |||
4858 | line.Val, type.Val, isLocal.Val, isDefinition.Val,(IsDistinct ? DIGlobalVariable::getDistinct (Context, scope.Val , name.Val, linkageName.Val, file.Val, line.Val, type.Val, isLocal .Val, isDefinition.Val, declaration.Val, templateParams.Val, align .Val) : DIGlobalVariable::get (Context, scope.Val, name.Val, linkageName .Val, file.Val, line.Val, type.Val, isLocal.Val, isDefinition .Val, declaration.Val, templateParams.Val, align.Val)) | |||
4859 | declaration.Val, templateParams.Val, align.Val))(IsDistinct ? DIGlobalVariable::getDistinct (Context, scope.Val , name.Val, linkageName.Val, file.Val, line.Val, type.Val, isLocal .Val, isDefinition.Val, declaration.Val, templateParams.Val, align .Val) : DIGlobalVariable::get (Context, scope.Val, name.Val, linkageName .Val, file.Val, line.Val, type.Val, isLocal.Val, isDefinition .Val, declaration.Val, templateParams.Val, align.Val)); | |||
4860 | return false; | |||
4861 | } | |||
4862 | ||||
4863 | /// ParseDILocalVariable: | |||
4864 | /// ::= !DILocalVariable(arg: 7, scope: !0, name: "foo", | |||
4865 | /// file: !1, line: 7, type: !2, arg: 2, flags: 7, | |||
4866 | /// align: 8) | |||
4867 | /// ::= !DILocalVariable(scope: !0, name: "foo", | |||
4868 | /// file: !1, line: 7, type: !2, arg: 2, flags: 7, | |||
4869 | /// align: 8) | |||
4870 | bool LLParser::ParseDILocalVariable(MDNode *&Result, bool IsDistinct) { | |||
4871 | #define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \ | |||
4872 | REQUIRED(scope, MDField, (/* AllowNull */ false)); \ | |||
4873 | OPTIONAL(name, MDStringField, ); \ | |||
4874 | OPTIONAL(arg, MDUnsignedField, (0, UINT16_MAX(65535))); \ | |||
4875 | OPTIONAL(file, MDField, ); \ | |||
4876 | OPTIONAL(line, LineField, ); \ | |||
4877 | OPTIONAL(type, MDField, ); \ | |||
4878 | OPTIONAL(flags, DIFlagField, ); \ | |||
4879 | OPTIONAL(align, MDUnsignedField, (0, UINT32_MAX(4294967295U))); | |||
4880 | PARSE_MD_FIELDS()VISIT_MD_FIELDS(DECLARE_FIELD, DECLARE_FIELD) do { LocTy ClosingLoc ; if (ParseMDFieldsImpl([&]() -> bool { VISIT_MD_FIELDS (PARSE_MD_FIELD, PARSE_MD_FIELD) return TokError(Twine("invalid field '" ) + Lex.getStrVal() + "'"); }, ClosingLoc)) return true; VISIT_MD_FIELDS (NOP_FIELD, REQUIRE_FIELD) } while (false); | |||
4881 | #undef VISIT_MD_FIELDS | |||
4882 | ||||
4883 | Result = GET_OR_DISTINCT(DILocalVariable,(IsDistinct ? DILocalVariable::getDistinct (Context, scope.Val , name.Val, file.Val, line.Val, type.Val, arg.Val, flags.Val, align.Val) : DILocalVariable::get (Context, scope.Val, name. Val, file.Val, line.Val, type.Val, arg.Val, flags.Val, align. Val)) | |||
4884 | (Context, scope.Val, name.Val, file.Val, line.Val,(IsDistinct ? DILocalVariable::getDistinct (Context, scope.Val , name.Val, file.Val, line.Val, type.Val, arg.Val, flags.Val, align.Val) : DILocalVariable::get (Context, scope.Val, name. Val, file.Val, line.Val, type.Val, arg.Val, flags.Val, align. Val)) | |||
4885 | type.Val, arg.Val, flags.Val, align.Val))(IsDistinct ? DILocalVariable::getDistinct (Context, scope.Val , name.Val, file.Val, line.Val, type.Val, arg.Val, flags.Val, align.Val) : DILocalVariable::get (Context, scope.Val, name. Val, file.Val, line.Val, type.Val, arg.Val, flags.Val, align. Val)); | |||
4886 | return false; | |||
4887 | } | |||
4888 | ||||
4889 | /// ParseDILabel: | |||
4890 | /// ::= !DILabel(scope: !0, name: "foo", file: !1, line: 7) | |||
4891 | bool LLParser::ParseDILabel(MDNode *&Result, bool IsDistinct) { | |||
4892 | #define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \ | |||
4893 | REQUIRED(scope, MDField, (/* AllowNull */ false)); \ | |||
4894 | REQUIRED(name, MDStringField, ); \ | |||
4895 | REQUIRED(file, MDField, ); \ | |||
4896 | REQUIRED(line, LineField, ); | |||
4897 | PARSE_MD_FIELDS()VISIT_MD_FIELDS(DECLARE_FIELD, DECLARE_FIELD) do { LocTy ClosingLoc ; if (ParseMDFieldsImpl([&]() -> bool { VISIT_MD_FIELDS (PARSE_MD_FIELD, PARSE_MD_FIELD) return TokError(Twine("invalid field '" ) + Lex.getStrVal() + "'"); }, ClosingLoc)) return true; VISIT_MD_FIELDS (NOP_FIELD, REQUIRE_FIELD) } while (false); | |||
4898 | #undef VISIT_MD_FIELDS | |||
4899 | ||||
4900 | Result = GET_OR_DISTINCT(DILabel,(IsDistinct ? DILabel::getDistinct (Context, scope.Val, name. Val, file.Val, line.Val) : DILabel::get (Context, scope.Val, name .Val, file.Val, line.Val)) | |||
4901 | (Context, scope.Val, name.Val, file.Val, line.Val))(IsDistinct ? DILabel::getDistinct (Context, scope.Val, name. Val, file.Val, line.Val) : DILabel::get (Context, scope.Val, name .Val, file.Val, line.Val)); | |||
4902 | return false; | |||
4903 | } | |||
4904 | ||||
4905 | /// ParseDIExpression: | |||
4906 | /// ::= !DIExpression(0, 7, -1) | |||
4907 | bool LLParser::ParseDIExpression(MDNode *&Result, bool IsDistinct) { | |||
4908 | assert(Lex.getKind() == lltok::MetadataVar && "Expected metadata type name")((Lex.getKind() == lltok::MetadataVar && "Expected metadata type name" ) ? static_cast<void> (0) : __assert_fail ("Lex.getKind() == lltok::MetadataVar && \"Expected metadata type name\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 4908, __PRETTY_FUNCTION__)); | |||
4909 | Lex.Lex(); | |||
4910 | ||||
4911 | if (ParseToken(lltok::lparen, "expected '(' here")) | |||
4912 | return true; | |||
4913 | ||||
4914 | SmallVector<uint64_t, 8> Elements; | |||
4915 | if (Lex.getKind() != lltok::rparen) | |||
4916 | do { | |||
4917 | if (Lex.getKind() == lltok::DwarfOp) { | |||
4918 | if (unsigned Op = dwarf::getOperationEncoding(Lex.getStrVal())) { | |||
4919 | Lex.Lex(); | |||
4920 | Elements.push_back(Op); | |||
4921 | continue; | |||
4922 | } | |||
4923 | return TokError(Twine("invalid DWARF op '") + Lex.getStrVal() + "'"); | |||
4924 | } | |||
4925 | ||||
4926 | if (Lex.getKind() == lltok::DwarfAttEncoding) { | |||
4927 | if (unsigned Op = dwarf::getAttributeEncoding(Lex.getStrVal())) { | |||
4928 | Lex.Lex(); | |||
4929 | Elements.push_back(Op); | |||
4930 | continue; | |||
4931 | } | |||
4932 | return TokError(Twine("invalid DWARF attribute encoding '") + Lex.getStrVal() + "'"); | |||
4933 | } | |||
4934 | ||||
4935 | if (Lex.getKind() != lltok::APSInt || Lex.getAPSIntVal().isSigned()) | |||
4936 | return TokError("expected unsigned integer"); | |||
4937 | ||||
4938 | auto &U = Lex.getAPSIntVal(); | |||
4939 | if (U.ugt(UINT64_MAX(18446744073709551615UL))) | |||
4940 | return TokError("element too large, limit is " + Twine(UINT64_MAX(18446744073709551615UL))); | |||
4941 | Elements.push_back(U.getZExtValue()); | |||
4942 | Lex.Lex(); | |||
4943 | } while (EatIfPresent(lltok::comma)); | |||
4944 | ||||
4945 | if (ParseToken(lltok::rparen, "expected ')' here")) | |||
4946 | return true; | |||
4947 | ||||
4948 | Result = GET_OR_DISTINCT(DIExpression, (Context, Elements))(IsDistinct ? DIExpression::getDistinct (Context, Elements) : DIExpression::get (Context, Elements)); | |||
4949 | return false; | |||
4950 | } | |||
4951 | ||||
4952 | /// ParseDIGlobalVariableExpression: | |||
4953 | /// ::= !DIGlobalVariableExpression(var: !0, expr: !1) | |||
4954 | bool LLParser::ParseDIGlobalVariableExpression(MDNode *&Result, | |||
4955 | bool IsDistinct) { | |||
4956 | #define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \ | |||
4957 | REQUIRED(var, MDField, ); \ | |||
4958 | REQUIRED(expr, MDField, ); | |||
4959 | PARSE_MD_FIELDS()VISIT_MD_FIELDS(DECLARE_FIELD, DECLARE_FIELD) do { LocTy ClosingLoc ; if (ParseMDFieldsImpl([&]() -> bool { VISIT_MD_FIELDS (PARSE_MD_FIELD, PARSE_MD_FIELD) return TokError(Twine("invalid field '" ) + Lex.getStrVal() + "'"); }, ClosingLoc)) return true; VISIT_MD_FIELDS (NOP_FIELD, REQUIRE_FIELD) } while (false); | |||
4960 | #undef VISIT_MD_FIELDS | |||
4961 | ||||
4962 | Result = | |||
4963 | GET_OR_DISTINCT(DIGlobalVariableExpression, (Context, var.Val, expr.Val))(IsDistinct ? DIGlobalVariableExpression::getDistinct (Context , var.Val, expr.Val) : DIGlobalVariableExpression::get (Context , var.Val, expr.Val)); | |||
4964 | return false; | |||
4965 | } | |||
4966 | ||||
4967 | /// ParseDIObjCProperty: | |||
4968 | /// ::= !DIObjCProperty(name: "foo", file: !1, line: 7, setter: "setFoo", | |||
4969 | /// getter: "getFoo", attributes: 7, type: !2) | |||
4970 | bool LLParser::ParseDIObjCProperty(MDNode *&Result, bool IsDistinct) { | |||
4971 | #define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \ | |||
4972 | OPTIONAL(name, MDStringField, ); \ | |||
4973 | OPTIONAL(file, MDField, ); \ | |||
4974 | OPTIONAL(line, LineField, ); \ | |||
4975 | OPTIONAL(setter, MDStringField, ); \ | |||
4976 | OPTIONAL(getter, MDStringField, ); \ | |||
4977 | OPTIONAL(attributes, MDUnsignedField, (0, UINT32_MAX(4294967295U))); \ | |||
4978 | OPTIONAL(type, MDField, ); | |||
4979 | PARSE_MD_FIELDS()VISIT_MD_FIELDS(DECLARE_FIELD, DECLARE_FIELD) do { LocTy ClosingLoc ; if (ParseMDFieldsImpl([&]() -> bool { VISIT_MD_FIELDS (PARSE_MD_FIELD, PARSE_MD_FIELD) return TokError(Twine("invalid field '" ) + Lex.getStrVal() + "'"); }, ClosingLoc)) return true; VISIT_MD_FIELDS (NOP_FIELD, REQUIRE_FIELD) } while (false); | |||
4980 | #undef VISIT_MD_FIELDS | |||
4981 | ||||
4982 | Result = GET_OR_DISTINCT(DIObjCProperty,(IsDistinct ? DIObjCProperty::getDistinct (Context, name.Val, file.Val, line.Val, setter.Val, getter.Val, attributes.Val, type .Val) : DIObjCProperty::get (Context, name.Val, file.Val, line .Val, setter.Val, getter.Val, attributes.Val, type.Val)) | |||
4983 | (Context, name.Val, file.Val, line.Val, setter.Val,(IsDistinct ? DIObjCProperty::getDistinct (Context, name.Val, file.Val, line.Val, setter.Val, getter.Val, attributes.Val, type .Val) : DIObjCProperty::get (Context, name.Val, file.Val, line .Val, setter.Val, getter.Val, attributes.Val, type.Val)) | |||
4984 | getter.Val, attributes.Val, type.Val))(IsDistinct ? DIObjCProperty::getDistinct (Context, name.Val, file.Val, line.Val, setter.Val, getter.Val, attributes.Val, type .Val) : DIObjCProperty::get (Context, name.Val, file.Val, line .Val, setter.Val, getter.Val, attributes.Val, type.Val)); | |||
4985 | return false; | |||
4986 | } | |||
4987 | ||||
4988 | /// ParseDIImportedEntity: | |||
4989 | /// ::= !DIImportedEntity(tag: DW_TAG_imported_module, scope: !0, entity: !1, | |||
4990 | /// line: 7, name: "foo") | |||
4991 | bool LLParser::ParseDIImportedEntity(MDNode *&Result, bool IsDistinct) { | |||
4992 | #define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \ | |||
4993 | REQUIRED(tag, DwarfTagField, ); \ | |||
4994 | REQUIRED(scope, MDField, ); \ | |||
4995 | OPTIONAL(entity, MDField, ); \ | |||
4996 | OPTIONAL(file, MDField, ); \ | |||
4997 | OPTIONAL(line, LineField, ); \ | |||
4998 | OPTIONAL(name, MDStringField, ); | |||
4999 | PARSE_MD_FIELDS()VISIT_MD_FIELDS(DECLARE_FIELD, DECLARE_FIELD) do { LocTy ClosingLoc ; if (ParseMDFieldsImpl([&]() -> bool { VISIT_MD_FIELDS (PARSE_MD_FIELD, PARSE_MD_FIELD) return TokError(Twine("invalid field '" ) + Lex.getStrVal() + "'"); }, ClosingLoc)) return true; VISIT_MD_FIELDS (NOP_FIELD, REQUIRE_FIELD) } while (false); | |||
5000 | #undef VISIT_MD_FIELDS | |||
5001 | ||||
5002 | Result = GET_OR_DISTINCT((IsDistinct ? DIImportedEntity::getDistinct (Context, tag.Val , scope.Val, entity.Val, file.Val, line.Val, name.Val) : DIImportedEntity ::get (Context, tag.Val, scope.Val, entity.Val, file.Val, line .Val, name.Val)) | |||
5003 | DIImportedEntity,(IsDistinct ? DIImportedEntity::getDistinct (Context, tag.Val , scope.Val, entity.Val, file.Val, line.Val, name.Val) : DIImportedEntity ::get (Context, tag.Val, scope.Val, entity.Val, file.Val, line .Val, name.Val)) | |||
5004 | (Context, tag.Val, scope.Val, entity.Val, file.Val, line.Val, name.Val))(IsDistinct ? DIImportedEntity::getDistinct (Context, tag.Val , scope.Val, entity.Val, file.Val, line.Val, name.Val) : DIImportedEntity ::get (Context, tag.Val, scope.Val, entity.Val, file.Val, line .Val, name.Val)); | |||
5005 | return false; | |||
5006 | } | |||
5007 | ||||
5008 | #undef PARSE_MD_FIELD | |||
5009 | #undef NOP_FIELD | |||
5010 | #undef REQUIRE_FIELD | |||
5011 | #undef DECLARE_FIELD | |||
5012 | ||||
5013 | /// ParseMetadataAsValue | |||
5014 | /// ::= metadata i32 %local | |||
5015 | /// ::= metadata i32 @global | |||
5016 | /// ::= metadata i32 7 | |||
5017 | /// ::= metadata !0 | |||
5018 | /// ::= metadata !{...} | |||
5019 | /// ::= metadata !"string" | |||
5020 | bool LLParser::ParseMetadataAsValue(Value *&V, PerFunctionState &PFS) { | |||
5021 | // Note: the type 'metadata' has already been parsed. | |||
5022 | Metadata *MD; | |||
5023 | if (ParseMetadata(MD, &PFS)) | |||
5024 | return true; | |||
5025 | ||||
5026 | V = MetadataAsValue::get(Context, MD); | |||
5027 | return false; | |||
5028 | } | |||
5029 | ||||
5030 | /// ParseValueAsMetadata | |||
5031 | /// ::= i32 %local | |||
5032 | /// ::= i32 @global | |||
5033 | /// ::= i32 7 | |||
5034 | bool LLParser::ParseValueAsMetadata(Metadata *&MD, const Twine &TypeMsg, | |||
5035 | PerFunctionState *PFS) { | |||
5036 | Type *Ty; | |||
5037 | LocTy Loc; | |||
5038 | if (ParseType(Ty, TypeMsg, Loc)) | |||
5039 | return true; | |||
5040 | if (Ty->isMetadataTy()) | |||
5041 | return Error(Loc, "invalid metadata-value-metadata roundtrip"); | |||
5042 | ||||
5043 | Value *V; | |||
5044 | if (ParseValue(Ty, V, PFS)) | |||
5045 | return true; | |||
5046 | ||||
5047 | MD = ValueAsMetadata::get(V); | |||
5048 | return false; | |||
5049 | } | |||
5050 | ||||
5051 | /// ParseMetadata | |||
5052 | /// ::= i32 %local | |||
5053 | /// ::= i32 @global | |||
5054 | /// ::= i32 7 | |||
5055 | /// ::= !42 | |||
5056 | /// ::= !{...} | |||
5057 | /// ::= !"string" | |||
5058 | /// ::= !DILocation(...) | |||
5059 | bool LLParser::ParseMetadata(Metadata *&MD, PerFunctionState *PFS) { | |||
5060 | if (Lex.getKind() == lltok::MetadataVar) { | |||
5061 | MDNode *N; | |||
5062 | if (ParseSpecializedMDNode(N)) | |||
5063 | return true; | |||
5064 | MD = N; | |||
5065 | return false; | |||
5066 | } | |||
5067 | ||||
5068 | // ValueAsMetadata: | |||
5069 | // <type> <value> | |||
5070 | if (Lex.getKind() != lltok::exclaim) | |||
5071 | return ParseValueAsMetadata(MD, "expected metadata operand", PFS); | |||
5072 | ||||
5073 | // '!'. | |||
5074 | assert(Lex.getKind() == lltok::exclaim && "Expected '!' here")((Lex.getKind() == lltok::exclaim && "Expected '!' here" ) ? static_cast<void> (0) : __assert_fail ("Lex.getKind() == lltok::exclaim && \"Expected '!' here\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 5074, __PRETTY_FUNCTION__)); | |||
5075 | Lex.Lex(); | |||
5076 | ||||
5077 | // MDString: | |||
5078 | // ::= '!' STRINGCONSTANT | |||
5079 | if (Lex.getKind() == lltok::StringConstant) { | |||
5080 | MDString *S; | |||
5081 | if (ParseMDString(S)) | |||
5082 | return true; | |||
5083 | MD = S; | |||
5084 | return false; | |||
5085 | } | |||
5086 | ||||
5087 | // MDNode: | |||
5088 | // !{ ... } | |||
5089 | // !7 | |||
5090 | MDNode *N; | |||
5091 | if (ParseMDNodeTail(N)) | |||
5092 | return true; | |||
5093 | MD = N; | |||
5094 | return false; | |||
5095 | } | |||
5096 | ||||
5097 | //===----------------------------------------------------------------------===// | |||
5098 | // Function Parsing. | |||
5099 | //===----------------------------------------------------------------------===// | |||
5100 | ||||
5101 | bool LLParser::ConvertValIDToValue(Type *Ty, ValID &ID, Value *&V, | |||
5102 | PerFunctionState *PFS, bool IsCall) { | |||
5103 | if (Ty->isFunctionTy()) | |||
5104 | return Error(ID.Loc, "functions are not values, refer to them as pointers"); | |||
5105 | ||||
5106 | switch (ID.Kind) { | |||
5107 | case ValID::t_LocalID: | |||
5108 | if (!PFS) return Error(ID.Loc, "invalid use of function-local name"); | |||
5109 | V = PFS->GetVal(ID.UIntVal, Ty, ID.Loc, IsCall); | |||
5110 | return V == nullptr; | |||
5111 | case ValID::t_LocalName: | |||
5112 | if (!PFS) return Error(ID.Loc, "invalid use of function-local name"); | |||
5113 | V = PFS->GetVal(ID.StrVal, Ty, ID.Loc, IsCall); | |||
5114 | return V == nullptr; | |||
5115 | case ValID::t_InlineAsm: { | |||
5116 | if (!ID.FTy || !InlineAsm::Verify(ID.FTy, ID.StrVal2)) | |||
5117 | return Error(ID.Loc, "invalid type for inline asm constraint string"); | |||
5118 | V = InlineAsm::get(ID.FTy, ID.StrVal, ID.StrVal2, ID.UIntVal & 1, | |||
5119 | (ID.UIntVal >> 1) & 1, | |||
5120 | (InlineAsm::AsmDialect(ID.UIntVal >> 2))); | |||
5121 | return false; | |||
5122 | } | |||
5123 | case ValID::t_GlobalName: | |||
5124 | V = GetGlobalVal(ID.StrVal, Ty, ID.Loc, IsCall); | |||
5125 | return V == nullptr; | |||
5126 | case ValID::t_GlobalID: | |||
5127 | V = GetGlobalVal(ID.UIntVal, Ty, ID.Loc, IsCall); | |||
5128 | return V == nullptr; | |||
5129 | case ValID::t_APSInt: | |||
5130 | if (!Ty->isIntegerTy()) | |||
5131 | return Error(ID.Loc, "integer constant must have integer type"); | |||
5132 | ID.APSIntVal = ID.APSIntVal.extOrTrunc(Ty->getPrimitiveSizeInBits()); | |||
5133 | V = ConstantInt::get(Context, ID.APSIntVal); | |||
5134 | return false; | |||
5135 | case ValID::t_APFloat: | |||
5136 | if (!Ty->isFloatingPointTy() || | |||
5137 | !ConstantFP::isValueValidForType(Ty, ID.APFloatVal)) | |||
5138 | return Error(ID.Loc, "floating point constant invalid for type"); | |||
5139 | ||||
5140 | // The lexer has no type info, so builds all half, float, and double FP | |||
5141 | // constants as double. Fix this here. Long double does not need this. | |||
5142 | if (&ID.APFloatVal.getSemantics() == &APFloat::IEEEdouble()) { | |||
5143 | bool Ignored; | |||
5144 | if (Ty->isHalfTy()) | |||
5145 | ID.APFloatVal.convert(APFloat::IEEEhalf(), APFloat::rmNearestTiesToEven, | |||
5146 | &Ignored); | |||
5147 | else if (Ty->isFloatTy()) | |||
5148 | ID.APFloatVal.convert(APFloat::IEEEsingle(), APFloat::rmNearestTiesToEven, | |||
5149 | &Ignored); | |||
5150 | } | |||
5151 | V = ConstantFP::get(Context, ID.APFloatVal); | |||
5152 | ||||
5153 | if (V->getType() != Ty) | |||
5154 | return Error(ID.Loc, "floating point constant does not have type '" + | |||
5155 | getTypeString(Ty) + "'"); | |||
5156 | ||||
5157 | return false; | |||
5158 | case ValID::t_Null: | |||
5159 | if (!Ty->isPointerTy()) | |||
5160 | return Error(ID.Loc, "null must be a pointer type"); | |||
5161 | V = ConstantPointerNull::get(cast<PointerType>(Ty)); | |||
5162 | return false; | |||
5163 | case ValID::t_Undef: | |||
5164 | // FIXME: LabelTy should not be a first-class type. | |||
5165 | if (!Ty->isFirstClassType() || Ty->isLabelTy()) | |||
5166 | return Error(ID.Loc, "invalid type for undef constant"); | |||
5167 | V = UndefValue::get(Ty); | |||
5168 | return false; | |||
5169 | case ValID::t_EmptyArray: | |||
5170 | if (!Ty->isArrayTy() || cast<ArrayType>(Ty)->getNumElements() != 0) | |||
5171 | return Error(ID.Loc, "invalid empty array initializer"); | |||
5172 | V = UndefValue::get(Ty); | |||
5173 | return false; | |||
5174 | case ValID::t_Zero: | |||
5175 | // FIXME: LabelTy should not be a first-class type. | |||
5176 | if (!Ty->isFirstClassType() || Ty->isLabelTy()) | |||
5177 | return Error(ID.Loc, "invalid type for null constant"); | |||
5178 | V = Constant::getNullValue(Ty); | |||
5179 | return false; | |||
5180 | case ValID::t_None: | |||
5181 | if (!Ty->isTokenTy()) | |||
5182 | return Error(ID.Loc, "invalid type for none constant"); | |||
5183 | V = Constant::getNullValue(Ty); | |||
5184 | return false; | |||
5185 | case ValID::t_Constant: | |||
5186 | if (ID.ConstantVal->getType() != Ty) | |||
5187 | return Error(ID.Loc, "constant expression type mismatch"); | |||
5188 | ||||
5189 | V = ID.ConstantVal; | |||
5190 | return false; | |||
5191 | case ValID::t_ConstantStruct: | |||
5192 | case ValID::t_PackedConstantStruct: | |||
5193 | if (StructType *ST = dyn_cast<StructType>(Ty)) { | |||
5194 | if (ST->getNumElements() != ID.UIntVal) | |||
5195 | return Error(ID.Loc, | |||
5196 | "initializer with struct type has wrong # elements"); | |||
5197 | if (ST->isPacked() != (ID.Kind == ValID::t_PackedConstantStruct)) | |||
5198 | return Error(ID.Loc, "packed'ness of initializer and type don't match"); | |||
5199 | ||||
5200 | // Verify that the elements are compatible with the structtype. | |||
5201 | for (unsigned i = 0, e = ID.UIntVal; i != e; ++i) | |||
5202 | if (ID.ConstantStructElts[i]->getType() != ST->getElementType(i)) | |||
5203 | return Error(ID.Loc, "element " + Twine(i) + | |||
5204 | " of struct initializer doesn't match struct element type"); | |||
5205 | ||||
5206 | V = ConstantStruct::get( | |||
5207 | ST, makeArrayRef(ID.ConstantStructElts.get(), ID.UIntVal)); | |||
5208 | } else | |||
5209 | return Error(ID.Loc, "constant expression type mismatch"); | |||
5210 | return false; | |||
5211 | } | |||
5212 | llvm_unreachable("Invalid ValID")::llvm::llvm_unreachable_internal("Invalid ValID", "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 5212); | |||
5213 | } | |||
5214 | ||||
5215 | bool LLParser::parseConstantValue(Type *Ty, Constant *&C) { | |||
5216 | C = nullptr; | |||
5217 | ValID ID; | |||
5218 | auto Loc = Lex.getLoc(); | |||
5219 | if (ParseValID(ID, /*PFS=*/nullptr)) | |||
5220 | return true; | |||
5221 | switch (ID.Kind) { | |||
5222 | case ValID::t_APSInt: | |||
5223 | case ValID::t_APFloat: | |||
5224 | case ValID::t_Undef: | |||
5225 | case ValID::t_Constant: | |||
5226 | case ValID::t_ConstantStruct: | |||
5227 | case ValID::t_PackedConstantStruct: { | |||
5228 | Value *V; | |||
5229 | if (ConvertValIDToValue(Ty, ID, V, /*PFS=*/nullptr, /*IsCall=*/false)) | |||
5230 | return true; | |||
5231 | assert(isa<Constant>(V) && "Expected a constant value")((isa<Constant>(V) && "Expected a constant value" ) ? static_cast<void> (0) : __assert_fail ("isa<Constant>(V) && \"Expected a constant value\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 5231, __PRETTY_FUNCTION__)); | |||
5232 | C = cast<Constant>(V); | |||
5233 | return false; | |||
5234 | } | |||
5235 | case ValID::t_Null: | |||
5236 | C = Constant::getNullValue(Ty); | |||
5237 | return false; | |||
5238 | default: | |||
5239 | return Error(Loc, "expected a constant value"); | |||
5240 | } | |||
5241 | } | |||
5242 | ||||
5243 | bool LLParser::ParseValue(Type *Ty, Value *&V, PerFunctionState *PFS) { | |||
5244 | V = nullptr; | |||
5245 | ValID ID; | |||
5246 | return ParseValID(ID, PFS) || | |||
5247 | ConvertValIDToValue(Ty, ID, V, PFS, /*IsCall=*/false); | |||
5248 | } | |||
5249 | ||||
5250 | bool LLParser::ParseTypeAndValue(Value *&V, PerFunctionState *PFS) { | |||
5251 | Type *Ty = nullptr; | |||
5252 | return ParseType(Ty) || | |||
5253 | ParseValue(Ty, V, PFS); | |||
5254 | } | |||
5255 | ||||
5256 | bool LLParser::ParseTypeAndBasicBlock(BasicBlock *&BB, LocTy &Loc, | |||
5257 | PerFunctionState &PFS) { | |||
5258 | Value *V; | |||
5259 | Loc = Lex.getLoc(); | |||
5260 | if (ParseTypeAndValue(V, PFS)) return true; | |||
5261 | if (!isa<BasicBlock>(V)) | |||
5262 | return Error(Loc, "expected a basic block"); | |||
5263 | BB = cast<BasicBlock>(V); | |||
5264 | return false; | |||
5265 | } | |||
5266 | ||||
5267 | /// FunctionHeader | |||
5268 | /// ::= OptionalLinkage OptionalPreemptionSpecifier OptionalVisibility | |||
5269 | /// OptionalCallingConv OptRetAttrs OptUnnamedAddr Type GlobalName | |||
5270 | /// '(' ArgList ')' OptAddrSpace OptFuncAttrs OptSection OptionalAlign | |||
5271 | /// OptGC OptionalPrefix OptionalPrologue OptPersonalityFn | |||
5272 | bool LLParser::ParseFunctionHeader(Function *&Fn, bool isDefine) { | |||
5273 | // Parse the linkage. | |||
5274 | LocTy LinkageLoc = Lex.getLoc(); | |||
5275 | unsigned Linkage; | |||
5276 | unsigned Visibility; | |||
5277 | unsigned DLLStorageClass; | |||
5278 | bool DSOLocal; | |||
5279 | AttrBuilder RetAttrs; | |||
5280 | unsigned CC; | |||
5281 | bool HasLinkage; | |||
5282 | Type *RetType = nullptr; | |||
5283 | LocTy RetTypeLoc = Lex.getLoc(); | |||
5284 | if (ParseOptionalLinkage(Linkage, HasLinkage, Visibility, DLLStorageClass, | |||
5285 | DSOLocal) || | |||
5286 | ParseOptionalCallingConv(CC) || ParseOptionalReturnAttrs(RetAttrs) || | |||
5287 | ParseType(RetType, RetTypeLoc, true /*void allowed*/)) | |||
| ||||
5288 | return true; | |||
5289 | ||||
5290 | // Verify that the linkage is ok. | |||
5291 | switch ((GlobalValue::LinkageTypes)Linkage) { | |||
5292 | case GlobalValue::ExternalLinkage: | |||
5293 | break; // always ok. | |||
5294 | case GlobalValue::ExternalWeakLinkage: | |||
5295 | if (isDefine) | |||
5296 | return Error(LinkageLoc, "invalid linkage for function definition"); | |||
5297 | break; | |||
5298 | case GlobalValue::PrivateLinkage: | |||
5299 | case GlobalValue::InternalLinkage: | |||
5300 | case GlobalValue::AvailableExternallyLinkage: | |||
5301 | case GlobalValue::LinkOnceAnyLinkage: | |||
5302 | case GlobalValue::LinkOnceODRLinkage: | |||
5303 | case GlobalValue::WeakAnyLinkage: | |||
5304 | case GlobalValue::WeakODRLinkage: | |||
5305 | if (!isDefine) | |||
5306 | return Error(LinkageLoc, "invalid linkage for function declaration"); | |||
5307 | break; | |||
5308 | case GlobalValue::AppendingLinkage: | |||
5309 | case GlobalValue::CommonLinkage: | |||
5310 | return Error(LinkageLoc, "invalid function linkage type"); | |||
5311 | } | |||
5312 | ||||
5313 | if (!isValidVisibilityForLinkage(Visibility, Linkage)) | |||
5314 | return Error(LinkageLoc, | |||
5315 | "symbol with local linkage must have default visibility"); | |||
5316 | ||||
5317 | if (!FunctionType::isValidReturnType(RetType)) | |||
5318 | return Error(RetTypeLoc, "invalid function return type"); | |||
5319 | ||||
5320 | LocTy NameLoc = Lex.getLoc(); | |||
5321 | ||||
5322 | std::string FunctionName; | |||
5323 | if (Lex.getKind() == lltok::GlobalVar) { | |||
5324 | FunctionName = Lex.getStrVal(); | |||
5325 | } else if (Lex.getKind() == lltok::GlobalID) { // @42 is ok. | |||
5326 | unsigned NameID = Lex.getUIntVal(); | |||
5327 | ||||
5328 | if (NameID != NumberedVals.size()) | |||
5329 | return TokError("function expected to be numbered '%" + | |||
5330 | Twine(NumberedVals.size()) + "'"); | |||
5331 | } else { | |||
5332 | return TokError("expected function name"); | |||
5333 | } | |||
5334 | ||||
5335 | Lex.Lex(); | |||
5336 | ||||
5337 | if (Lex.getKind() != lltok::lparen) | |||
5338 | return TokError("expected '(' in function argument list"); | |||
5339 | ||||
5340 | SmallVector<ArgInfo, 8> ArgList; | |||
5341 | bool isVarArg; | |||
5342 | AttrBuilder FuncAttrs; | |||
5343 | std::vector<unsigned> FwdRefAttrGrps; | |||
5344 | LocTy BuiltinLoc; | |||
5345 | std::string Section; | |||
5346 | std::string Partition; | |||
5347 | unsigned Alignment; | |||
5348 | std::string GC; | |||
5349 | GlobalValue::UnnamedAddr UnnamedAddr = GlobalValue::UnnamedAddr::None; | |||
5350 | unsigned AddrSpace = 0; | |||
5351 | Constant *Prefix = nullptr; | |||
5352 | Constant *Prologue = nullptr; | |||
5353 | Constant *PersonalityFn = nullptr; | |||
5354 | Comdat *C; | |||
5355 | ||||
5356 | if (ParseArgumentList(ArgList, isVarArg) || | |||
5357 | ParseOptionalUnnamedAddr(UnnamedAddr) || | |||
5358 | ParseOptionalProgramAddrSpace(AddrSpace) || | |||
5359 | ParseFnAttributeValuePairs(FuncAttrs, FwdRefAttrGrps, false, | |||
5360 | BuiltinLoc) || | |||
5361 | (EatIfPresent(lltok::kw_section) && | |||
5362 | ParseStringConstant(Section)) || | |||
5363 | (EatIfPresent(lltok::kw_partition) && | |||
5364 | ParseStringConstant(Partition)) || | |||
5365 | parseOptionalComdat(FunctionName, C) || | |||
5366 | ParseOptionalAlignment(Alignment) || | |||
5367 | (EatIfPresent(lltok::kw_gc) && | |||
5368 | ParseStringConstant(GC)) || | |||
5369 | (EatIfPresent(lltok::kw_prefix) && | |||
5370 | ParseGlobalTypeAndValue(Prefix)) || | |||
5371 | (EatIfPresent(lltok::kw_prologue) && | |||
5372 | ParseGlobalTypeAndValue(Prologue)) || | |||
5373 | (EatIfPresent(lltok::kw_personality) && | |||
5374 | ParseGlobalTypeAndValue(PersonalityFn))) | |||
5375 | return true; | |||
5376 | ||||
5377 | if (FuncAttrs.contains(Attribute::Builtin)) | |||
5378 | return Error(BuiltinLoc, "'builtin' attribute not valid on function"); | |||
5379 | ||||
5380 | // If the alignment was parsed as an attribute, move to the alignment field. | |||
5381 | if (FuncAttrs.hasAlignmentAttr()) { | |||
5382 | Alignment = FuncAttrs.getAlignment(); | |||
5383 | FuncAttrs.removeAttribute(Attribute::Alignment); | |||
5384 | } | |||
5385 | ||||
5386 | // Okay, if we got here, the function is syntactically valid. Convert types | |||
5387 | // and do semantic checks. | |||
5388 | std::vector<Type*> ParamTypeList; | |||
5389 | SmallVector<AttributeSet, 8> Attrs; | |||
5390 | ||||
5391 | for (unsigned i = 0, e = ArgList.size(); i != e; ++i) { | |||
5392 | ParamTypeList.push_back(ArgList[i].Ty); | |||
5393 | Attrs.push_back(ArgList[i].Attrs); | |||
5394 | } | |||
5395 | ||||
5396 | AttributeList PAL = | |||
5397 | AttributeList::get(Context, AttributeSet::get(Context, FuncAttrs), | |||
5398 | AttributeSet::get(Context, RetAttrs), Attrs); | |||
5399 | ||||
5400 | if (PAL.hasAttribute(1, Attribute::StructRet) && !RetType->isVoidTy()) | |||
5401 | return Error(RetTypeLoc, "functions with 'sret' argument must return void"); | |||
5402 | ||||
5403 | FunctionType *FT = | |||
5404 | FunctionType::get(RetType, ParamTypeList, isVarArg); | |||
5405 | PointerType *PFT = PointerType::get(FT, AddrSpace); | |||
5406 | ||||
5407 | Fn = nullptr; | |||
5408 | if (!FunctionName.empty()) { | |||
5409 | // If this was a definition of a forward reference, remove the definition | |||
5410 | // from the forward reference table and fill in the forward ref. | |||
5411 | auto FRVI = ForwardRefVals.find(FunctionName); | |||
5412 | if (FRVI != ForwardRefVals.end()) { | |||
5413 | Fn = M->getFunction(FunctionName); | |||
5414 | if (!Fn) | |||
5415 | return Error(FRVI->second.second, "invalid forward reference to " | |||
5416 | "function as global value!"); | |||
5417 | if (Fn->getType() != PFT) | |||
5418 | return Error(FRVI->second.second, "invalid forward reference to " | |||
5419 | "function '" + FunctionName + "' with wrong type: " | |||
5420 | "expected '" + getTypeString(PFT) + "' but was '" + | |||
5421 | getTypeString(Fn->getType()) + "'"); | |||
5422 | ForwardRefVals.erase(FRVI); | |||
5423 | } else if ((Fn = M->getFunction(FunctionName))) { | |||
5424 | // Reject redefinitions. | |||
5425 | return Error(NameLoc, "invalid redefinition of function '" + | |||
5426 | FunctionName + "'"); | |||
5427 | } else if (M->getNamedValue(FunctionName)) { | |||
5428 | return Error(NameLoc, "redefinition of function '@" + FunctionName + "'"); | |||
5429 | } | |||
5430 | ||||
5431 | } else { | |||
5432 | // If this is a definition of a forward referenced function, make sure the | |||
5433 | // types agree. | |||
5434 | auto I = ForwardRefValIDs.find(NumberedVals.size()); | |||
5435 | if (I != ForwardRefValIDs.end()) { | |||
5436 | Fn = cast<Function>(I->second.first); | |||
5437 | if (Fn->getType() != PFT) | |||
5438 | return Error(NameLoc, "type of definition and forward reference of '@" + | |||
5439 | Twine(NumberedVals.size()) + "' disagree: " | |||
5440 | "expected '" + getTypeString(PFT) + "' but was '" + | |||
5441 | getTypeString(Fn->getType()) + "'"); | |||
5442 | ForwardRefValIDs.erase(I); | |||
5443 | } | |||
5444 | } | |||
5445 | ||||
5446 | if (!Fn) | |||
5447 | Fn = Function::Create(FT, GlobalValue::ExternalLinkage, AddrSpace, | |||
5448 | FunctionName, M); | |||
5449 | else // Move the forward-reference to the correct spot in the module. | |||
5450 | M->getFunctionList().splice(M->end(), M->getFunctionList(), Fn); | |||
5451 | ||||
5452 | assert(Fn->getAddressSpace() == AddrSpace && "Created function in wrong AS")((Fn->getAddressSpace() == AddrSpace && "Created function in wrong AS" ) ? static_cast<void> (0) : __assert_fail ("Fn->getAddressSpace() == AddrSpace && \"Created function in wrong AS\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 5452, __PRETTY_FUNCTION__)); | |||
5453 | ||||
5454 | if (FunctionName.empty()) | |||
5455 | NumberedVals.push_back(Fn); | |||
5456 | ||||
5457 | Fn->setLinkage((GlobalValue::LinkageTypes)Linkage); | |||
5458 | maybeSetDSOLocal(DSOLocal, *Fn); | |||
5459 | Fn->setVisibility((GlobalValue::VisibilityTypes)Visibility); | |||
5460 | Fn->setDLLStorageClass((GlobalValue::DLLStorageClassTypes)DLLStorageClass); | |||
5461 | Fn->setCallingConv(CC); | |||
5462 | Fn->setAttributes(PAL); | |||
5463 | Fn->setUnnamedAddr(UnnamedAddr); | |||
5464 | Fn->setAlignment(Alignment); | |||
5465 | Fn->setSection(Section); | |||
5466 | Fn->setPartition(Partition); | |||
5467 | Fn->setComdat(C); | |||
5468 | Fn->setPersonalityFn(PersonalityFn); | |||
5469 | if (!GC.empty()) Fn->setGC(GC); | |||
5470 | Fn->setPrefixData(Prefix); | |||
5471 | Fn->setPrologueData(Prologue); | |||
5472 | ForwardRefAttrGroups[Fn] = FwdRefAttrGrps; | |||
5473 | ||||
5474 | // Add all of the arguments we parsed to the function. | |||
5475 | Function::arg_iterator ArgIt = Fn->arg_begin(); | |||
5476 | for (unsigned i = 0, e = ArgList.size(); i != e; ++i, ++ArgIt) { | |||
5477 | // If the argument has a name, insert it into the argument symbol table. | |||
5478 | if (ArgList[i].Name.empty()) continue; | |||
5479 | ||||
5480 | // Set the name, if it conflicted, it will be auto-renamed. | |||
5481 | ArgIt->setName(ArgList[i].Name); | |||
5482 | ||||
5483 | if (ArgIt->getName() != ArgList[i].Name) | |||
5484 | return Error(ArgList[i].Loc, "redefinition of argument '%" + | |||
5485 | ArgList[i].Name + "'"); | |||
5486 | } | |||
5487 | ||||
5488 | if (isDefine) | |||
5489 | return false; | |||
5490 | ||||
5491 | // Check the declaration has no block address forward references. | |||
5492 | ValID ID; | |||
5493 | if (FunctionName.empty()) { | |||
5494 | ID.Kind = ValID::t_GlobalID; | |||
5495 | ID.UIntVal = NumberedVals.size() - 1; | |||
5496 | } else { | |||
5497 | ID.Kind = ValID::t_GlobalName; | |||
5498 | ID.StrVal = FunctionName; | |||
5499 | } | |||
5500 | auto Blocks = ForwardRefBlockAddresses.find(ID); | |||
5501 | if (Blocks != ForwardRefBlockAddresses.end()) | |||
5502 | return Error(Blocks->first.Loc, | |||
5503 | "cannot take blockaddress inside a declaration"); | |||
5504 | return false; | |||
5505 | } | |||
5506 | ||||
5507 | bool LLParser::PerFunctionState::resolveForwardRefBlockAddresses() { | |||
5508 | ValID ID; | |||
5509 | if (FunctionNumber == -1) { | |||
5510 | ID.Kind = ValID::t_GlobalName; | |||
5511 | ID.StrVal = F.getName(); | |||
5512 | } else { | |||
5513 | ID.Kind = ValID::t_GlobalID; | |||
5514 | ID.UIntVal = FunctionNumber; | |||
5515 | } | |||
5516 | ||||
5517 | auto Blocks = P.ForwardRefBlockAddresses.find(ID); | |||
5518 | if (Blocks == P.ForwardRefBlockAddresses.end()) | |||
5519 | return false; | |||
5520 | ||||
5521 | for (const auto &I : Blocks->second) { | |||
5522 | const ValID &BBID = I.first; | |||
5523 | GlobalValue *GV = I.second; | |||
5524 | ||||
5525 | assert((BBID.Kind == ValID::t_LocalID || BBID.Kind == ValID::t_LocalName) &&(((BBID.Kind == ValID::t_LocalID || BBID.Kind == ValID::t_LocalName ) && "Expected local id or name") ? static_cast<void > (0) : __assert_fail ("(BBID.Kind == ValID::t_LocalID || BBID.Kind == ValID::t_LocalName) && \"Expected local id or name\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 5526, __PRETTY_FUNCTION__)) | |||
5526 | "Expected local id or name")(((BBID.Kind == ValID::t_LocalID || BBID.Kind == ValID::t_LocalName ) && "Expected local id or name") ? static_cast<void > (0) : __assert_fail ("(BBID.Kind == ValID::t_LocalID || BBID.Kind == ValID::t_LocalName) && \"Expected local id or name\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 5526, __PRETTY_FUNCTION__)); | |||
5527 | BasicBlock *BB; | |||
5528 | if (BBID.Kind == ValID::t_LocalName) | |||
5529 | BB = GetBB(BBID.StrVal, BBID.Loc); | |||
5530 | else | |||
5531 | BB = GetBB(BBID.UIntVal, BBID.Loc); | |||
5532 | if (!BB) | |||
5533 | return P.Error(BBID.Loc, "referenced value is not a basic block"); | |||
5534 | ||||
5535 | GV->replaceAllUsesWith(BlockAddress::get(&F, BB)); | |||
5536 | GV->eraseFromParent(); | |||
5537 | } | |||
5538 | ||||
5539 | P.ForwardRefBlockAddresses.erase(Blocks); | |||
5540 | return false; | |||
5541 | } | |||
5542 | ||||
5543 | /// ParseFunctionBody | |||
5544 | /// ::= '{' BasicBlock+ UseListOrderDirective* '}' | |||
5545 | bool LLParser::ParseFunctionBody(Function &Fn) { | |||
5546 | if (Lex.getKind() != lltok::lbrace) | |||
5547 | return TokError("expected '{' in function body"); | |||
5548 | Lex.Lex(); // eat the {. | |||
5549 | ||||
5550 | int FunctionNumber = -1; | |||
5551 | if (!Fn.hasName()) FunctionNumber = NumberedVals.size()-1; | |||
5552 | ||||
5553 | PerFunctionState PFS(*this, Fn, FunctionNumber); | |||
5554 | ||||
5555 | // Resolve block addresses and allow basic blocks to be forward-declared | |||
5556 | // within this function. | |||
5557 | if (PFS.resolveForwardRefBlockAddresses()) | |||
5558 | return true; | |||
5559 | SaveAndRestore<PerFunctionState *> ScopeExit(BlockAddressPFS, &PFS); | |||
5560 | ||||
5561 | // We need at least one basic block. | |||
5562 | if (Lex.getKind() == lltok::rbrace || Lex.getKind() == lltok::kw_uselistorder) | |||
5563 | return TokError("function body requires at least one basic block"); | |||
5564 | ||||
5565 | while (Lex.getKind() != lltok::rbrace && | |||
5566 | Lex.getKind() != lltok::kw_uselistorder) | |||
5567 | if (ParseBasicBlock(PFS)) return true; | |||
5568 | ||||
5569 | while (Lex.getKind() != lltok::rbrace) | |||
5570 | if (ParseUseListOrder(&PFS)) | |||
5571 | return true; | |||
5572 | ||||
5573 | // Eat the }. | |||
5574 | Lex.Lex(); | |||
5575 | ||||
5576 | // Verify function is ok. | |||
5577 | return PFS.FinishFunction(); | |||
5578 | } | |||
5579 | ||||
5580 | /// ParseBasicBlock | |||
5581 | /// ::= (LabelStr|LabelID)? Instruction* | |||
5582 | bool LLParser::ParseBasicBlock(PerFunctionState &PFS) { | |||
5583 | // If this basic block starts out with a name, remember it. | |||
5584 | std::string Name; | |||
5585 | int NameID = -1; | |||
5586 | LocTy NameLoc = Lex.getLoc(); | |||
5587 | if (Lex.getKind() == lltok::LabelStr) { | |||
5588 | Name = Lex.getStrVal(); | |||
5589 | Lex.Lex(); | |||
5590 | } else if (Lex.getKind() == lltok::LabelID) { | |||
5591 | NameID = Lex.getUIntVal(); | |||
5592 | Lex.Lex(); | |||
5593 | } | |||
5594 | ||||
5595 | BasicBlock *BB = PFS.DefineBB(Name, NameID, NameLoc); | |||
5596 | if (!BB) | |||
5597 | return true; | |||
5598 | ||||
5599 | std::string NameStr; | |||
5600 | ||||
5601 | // Parse the instructions in this block until we get a terminator. | |||
5602 | Instruction *Inst; | |||
5603 | do { | |||
5604 | // This instruction may have three possibilities for a name: a) none | |||
5605 | // specified, b) name specified "%foo =", c) number specified: "%4 =". | |||
5606 | LocTy NameLoc = Lex.getLoc(); | |||
5607 | int NameID = -1; | |||
5608 | NameStr = ""; | |||
5609 | ||||
5610 | if (Lex.getKind() == lltok::LocalVarID) { | |||
5611 | NameID = Lex.getUIntVal(); | |||
5612 | Lex.Lex(); | |||
5613 | if (ParseToken(lltok::equal, "expected '=' after instruction id")) | |||
5614 | return true; | |||
5615 | } else if (Lex.getKind() == lltok::LocalVar) { | |||
5616 | NameStr = Lex.getStrVal(); | |||
5617 | Lex.Lex(); | |||
5618 | if (ParseToken(lltok::equal, "expected '=' after instruction name")) | |||
5619 | return true; | |||
5620 | } | |||
5621 | ||||
5622 | switch (ParseInstruction(Inst, BB, PFS)) { | |||
5623 | default: llvm_unreachable("Unknown ParseInstruction result!")::llvm::llvm_unreachable_internal("Unknown ParseInstruction result!" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 5623); | |||
5624 | case InstError: return true; | |||
5625 | case InstNormal: | |||
5626 | BB->getInstList().push_back(Inst); | |||
5627 | ||||
5628 | // With a normal result, we check to see if the instruction is followed by | |||
5629 | // a comma and metadata. | |||
5630 | if (EatIfPresent(lltok::comma)) | |||
5631 | if (ParseInstructionMetadata(*Inst)) | |||
5632 | return true; | |||
5633 | break; | |||
5634 | case InstExtraComma: | |||
5635 | BB->getInstList().push_back(Inst); | |||
5636 | ||||
5637 | // If the instruction parser ate an extra comma at the end of it, it | |||
5638 | // *must* be followed by metadata. | |||
5639 | if (ParseInstructionMetadata(*Inst)) | |||
5640 | return true; | |||
5641 | break; | |||
5642 | } | |||
5643 | ||||
5644 | // Set the name on the instruction. | |||
5645 | if (PFS.SetInstName(NameID, NameStr, NameLoc, Inst)) return true; | |||
5646 | } while (!Inst->isTerminator()); | |||
5647 | ||||
5648 | return false; | |||
5649 | } | |||
5650 | ||||
5651 | //===----------------------------------------------------------------------===// | |||
5652 | // Instruction Parsing. | |||
5653 | //===----------------------------------------------------------------------===// | |||
5654 | ||||
5655 | /// ParseInstruction - Parse one of the many different instructions. | |||
5656 | /// | |||
5657 | int LLParser::ParseInstruction(Instruction *&Inst, BasicBlock *BB, | |||
5658 | PerFunctionState &PFS) { | |||
5659 | lltok::Kind Token = Lex.getKind(); | |||
5660 | if (Token == lltok::Eof) | |||
5661 | return TokError("found end of file when expecting more instructions"); | |||
5662 | LocTy Loc = Lex.getLoc(); | |||
5663 | unsigned KeywordVal = Lex.getUIntVal(); | |||
5664 | Lex.Lex(); // Eat the keyword. | |||
5665 | ||||
5666 | switch (Token) { | |||
5667 | default: return Error(Loc, "expected instruction opcode"); | |||
5668 | // Terminator Instructions. | |||
5669 | case lltok::kw_unreachable: Inst = new UnreachableInst(Context); return false; | |||
5670 | case lltok::kw_ret: return ParseRet(Inst, BB, PFS); | |||
5671 | case lltok::kw_br: return ParseBr(Inst, PFS); | |||
5672 | case lltok::kw_switch: return ParseSwitch(Inst, PFS); | |||
5673 | case lltok::kw_indirectbr: return ParseIndirectBr(Inst, PFS); | |||
5674 | case lltok::kw_invoke: return ParseInvoke(Inst, PFS); | |||
5675 | case lltok::kw_resume: return ParseResume(Inst, PFS); | |||
5676 | case lltok::kw_cleanupret: return ParseCleanupRet(Inst, PFS); | |||
5677 | case lltok::kw_catchret: return ParseCatchRet(Inst, PFS); | |||
5678 | case lltok::kw_catchswitch: return ParseCatchSwitch(Inst, PFS); | |||
5679 | case lltok::kw_catchpad: return ParseCatchPad(Inst, PFS); | |||
5680 | case lltok::kw_cleanuppad: return ParseCleanupPad(Inst, PFS); | |||
5681 | case lltok::kw_callbr: return ParseCallBr(Inst, PFS); | |||
5682 | // Unary Operators. | |||
5683 | case lltok::kw_fneg: { | |||
5684 | FastMathFlags FMF = EatFastMathFlagsIfPresent(); | |||
5685 | int Res = ParseUnaryOp(Inst, PFS, KeywordVal, /*IsFP*/true); | |||
5686 | if (Res != 0) | |||
5687 | return Res; | |||
5688 | if (FMF.any()) | |||
5689 | Inst->setFastMathFlags(FMF); | |||
5690 | return false; | |||
5691 | } | |||
5692 | // Binary Operators. | |||
5693 | case lltok::kw_add: | |||
5694 | case lltok::kw_sub: | |||
5695 | case lltok::kw_mul: | |||
5696 | case lltok::kw_shl: { | |||
5697 | bool NUW = EatIfPresent(lltok::kw_nuw); | |||
5698 | bool NSW = EatIfPresent(lltok::kw_nsw); | |||
5699 | if (!NUW) NUW = EatIfPresent(lltok::kw_nuw); | |||
5700 | ||||
5701 | if (ParseArithmetic(Inst, PFS, KeywordVal, /*IsFP*/false)) return true; | |||
5702 | ||||
5703 | if (NUW) cast<BinaryOperator>(Inst)->setHasNoUnsignedWrap(true); | |||
5704 | if (NSW) cast<BinaryOperator>(Inst)->setHasNoSignedWrap(true); | |||
5705 | return false; | |||
5706 | } | |||
5707 | case lltok::kw_fadd: | |||
5708 | case lltok::kw_fsub: | |||
5709 | case lltok::kw_fmul: | |||
5710 | case lltok::kw_fdiv: | |||
5711 | case lltok::kw_frem: { | |||
5712 | FastMathFlags FMF = EatFastMathFlagsIfPresent(); | |||
5713 | int Res = ParseArithmetic(Inst, PFS, KeywordVal, /*IsFP*/true); | |||
5714 | if (Res != 0) | |||
5715 | return Res; | |||
5716 | if (FMF.any()) | |||
5717 | Inst->setFastMathFlags(FMF); | |||
5718 | return 0; | |||
5719 | } | |||
5720 | ||||
5721 | case lltok::kw_sdiv: | |||
5722 | case lltok::kw_udiv: | |||
5723 | case lltok::kw_lshr: | |||
5724 | case lltok::kw_ashr: { | |||
5725 | bool Exact = EatIfPresent(lltok::kw_exact); | |||
5726 | ||||
5727 | if (ParseArithmetic(Inst, PFS, KeywordVal, /*IsFP*/false)) return true; | |||
5728 | if (Exact) cast<BinaryOperator>(Inst)->setIsExact(true); | |||
5729 | return false; | |||
5730 | } | |||
5731 | ||||
5732 | case lltok::kw_urem: | |||
5733 | case lltok::kw_srem: return ParseArithmetic(Inst, PFS, KeywordVal, | |||
5734 | /*IsFP*/false); | |||
5735 | case lltok::kw_and: | |||
5736 | case lltok::kw_or: | |||
5737 | case lltok::kw_xor: return ParseLogical(Inst, PFS, KeywordVal); | |||
5738 | case lltok::kw_icmp: return ParseCompare(Inst, PFS, KeywordVal); | |||
5739 | case lltok::kw_fcmp: { | |||
5740 | FastMathFlags FMF = EatFastMathFlagsIfPresent(); | |||
5741 | int Res = ParseCompare(Inst, PFS, KeywordVal); | |||
5742 | if (Res != 0) | |||
5743 | return Res; | |||
5744 | if (FMF.any()) | |||
5745 | Inst->setFastMathFlags(FMF); | |||
5746 | return 0; | |||
5747 | } | |||
5748 | ||||
5749 | // Casts. | |||
5750 | case lltok::kw_trunc: | |||
5751 | case lltok::kw_zext: | |||
5752 | case lltok::kw_sext: | |||
5753 | case lltok::kw_fptrunc: | |||
5754 | case lltok::kw_fpext: | |||
5755 | case lltok::kw_bitcast: | |||
5756 | case lltok::kw_addrspacecast: | |||
5757 | case lltok::kw_uitofp: | |||
5758 | case lltok::kw_sitofp: | |||
5759 | case lltok::kw_fptoui: | |||
5760 | case lltok::kw_fptosi: | |||
5761 | case lltok::kw_inttoptr: | |||
5762 | case lltok::kw_ptrtoint: return ParseCast(Inst, PFS, KeywordVal); | |||
5763 | // Other. | |||
5764 | case lltok::kw_select: { | |||
5765 | FastMathFlags FMF = EatFastMathFlagsIfPresent(); | |||
5766 | int Res = ParseSelect(Inst, PFS); | |||
5767 | if (Res != 0) | |||
5768 | return Res; | |||
5769 | if (FMF.any()) { | |||
5770 | if (!Inst->getType()->isFPOrFPVectorTy()) | |||
5771 | return Error(Loc, "fast-math-flags specified for select without " | |||
5772 | "floating-point scalar or vector return type"); | |||
5773 | Inst->setFastMathFlags(FMF); | |||
5774 | } | |||
5775 | return 0; | |||
5776 | } | |||
5777 | case lltok::kw_va_arg: return ParseVA_Arg(Inst, PFS); | |||
5778 | case lltok::kw_extractelement: return ParseExtractElement(Inst, PFS); | |||
5779 | case lltok::kw_insertelement: return ParseInsertElement(Inst, PFS); | |||
5780 | case lltok::kw_shufflevector: return ParseShuffleVector(Inst, PFS); | |||
5781 | case lltok::kw_phi: return ParsePHI(Inst, PFS); | |||
5782 | case lltok::kw_landingpad: return ParseLandingPad(Inst, PFS); | |||
5783 | // Call. | |||
5784 | case lltok::kw_call: return ParseCall(Inst, PFS, CallInst::TCK_None); | |||
5785 | case lltok::kw_tail: return ParseCall(Inst, PFS, CallInst::TCK_Tail); | |||
5786 | case lltok::kw_musttail: return ParseCall(Inst, PFS, CallInst::TCK_MustTail); | |||
5787 | case lltok::kw_notail: return ParseCall(Inst, PFS, CallInst::TCK_NoTail); | |||
5788 | // Memory. | |||
5789 | case lltok::kw_alloca: return ParseAlloc(Inst, PFS); | |||
5790 | case lltok::kw_load: return ParseLoad(Inst, PFS); | |||
5791 | case lltok::kw_store: return ParseStore(Inst, PFS); | |||
5792 | case lltok::kw_cmpxchg: return ParseCmpXchg(Inst, PFS); | |||
5793 | case lltok::kw_atomicrmw: return ParseAtomicRMW(Inst, PFS); | |||
5794 | case lltok::kw_fence: return ParseFence(Inst, PFS); | |||
5795 | case lltok::kw_getelementptr: return ParseGetElementPtr(Inst, PFS); | |||
5796 | case lltok::kw_extractvalue: return ParseExtractValue(Inst, PFS); | |||
5797 | case lltok::kw_insertvalue: return ParseInsertValue(Inst, PFS); | |||
5798 | } | |||
5799 | } | |||
5800 | ||||
5801 | /// ParseCmpPredicate - Parse an integer or fp predicate, based on Kind. | |||
5802 | bool LLParser::ParseCmpPredicate(unsigned &P, unsigned Opc) { | |||
5803 | if (Opc == Instruction::FCmp) { | |||
5804 | switch (Lex.getKind()) { | |||
5805 | default: return TokError("expected fcmp predicate (e.g. 'oeq')"); | |||
5806 | case lltok::kw_oeq: P = CmpInst::FCMP_OEQ; break; | |||
5807 | case lltok::kw_one: P = CmpInst::FCMP_ONE; break; | |||
5808 | case lltok::kw_olt: P = CmpInst::FCMP_OLT; break; | |||
5809 | case lltok::kw_ogt: P = CmpInst::FCMP_OGT; break; | |||
5810 | case lltok::kw_ole: P = CmpInst::FCMP_OLE; break; | |||
5811 | case lltok::kw_oge: P = CmpInst::FCMP_OGE; break; | |||
5812 | case lltok::kw_ord: P = CmpInst::FCMP_ORD; break; | |||
5813 | case lltok::kw_uno: P = CmpInst::FCMP_UNO; break; | |||
5814 | case lltok::kw_ueq: P = CmpInst::FCMP_UEQ; break; | |||
5815 | case lltok::kw_une: P = CmpInst::FCMP_UNE; break; | |||
5816 | case lltok::kw_ult: P = CmpInst::FCMP_ULT; break; | |||
5817 | case lltok::kw_ugt: P = CmpInst::FCMP_UGT; break; | |||
5818 | case lltok::kw_ule: P = CmpInst::FCMP_ULE; break; | |||
5819 | case lltok::kw_uge: P = CmpInst::FCMP_UGE; break; | |||
5820 | case lltok::kw_true: P = CmpInst::FCMP_TRUE; break; | |||
5821 | case lltok::kw_false: P = CmpInst::FCMP_FALSE; break; | |||
5822 | } | |||
5823 | } else { | |||
5824 | switch (Lex.getKind()) { | |||
5825 | default: return TokError("expected icmp predicate (e.g. 'eq')"); | |||
5826 | case lltok::kw_eq: P = CmpInst::ICMP_EQ; break; | |||
5827 | case lltok::kw_ne: P = CmpInst::ICMP_NE; break; | |||
5828 | case lltok::kw_slt: P = CmpInst::ICMP_SLT; break; | |||
5829 | case lltok::kw_sgt: P = CmpInst::ICMP_SGT; break; | |||
5830 | case lltok::kw_sle: P = CmpInst::ICMP_SLE; break; | |||
5831 | case lltok::kw_sge: P = CmpInst::ICMP_SGE; break; | |||
5832 | case lltok::kw_ult: P = CmpInst::ICMP_ULT; break; | |||
5833 | case lltok::kw_ugt: P = CmpInst::ICMP_UGT; break; | |||
5834 | case lltok::kw_ule: P = CmpInst::ICMP_ULE; break; | |||
5835 | case lltok::kw_uge: P = CmpInst::ICMP_UGE; break; | |||
5836 | } | |||
5837 | } | |||
5838 | Lex.Lex(); | |||
5839 | return false; | |||
5840 | } | |||
5841 | ||||
5842 | //===----------------------------------------------------------------------===// | |||
5843 | // Terminator Instructions. | |||
5844 | //===----------------------------------------------------------------------===// | |||
5845 | ||||
5846 | /// ParseRet - Parse a return instruction. | |||
5847 | /// ::= 'ret' void (',' !dbg, !1)* | |||
5848 | /// ::= 'ret' TypeAndValue (',' !dbg, !1)* | |||
5849 | bool LLParser::ParseRet(Instruction *&Inst, BasicBlock *BB, | |||
5850 | PerFunctionState &PFS) { | |||
5851 | SMLoc TypeLoc = Lex.getLoc(); | |||
5852 | Type *Ty = nullptr; | |||
5853 | if (ParseType(Ty, true /*void allowed*/)) return true; | |||
5854 | ||||
5855 | Type *ResType = PFS.getFunction().getReturnType(); | |||
5856 | ||||
5857 | if (Ty->isVoidTy()) { | |||
5858 | if (!ResType->isVoidTy()) | |||
5859 | return Error(TypeLoc, "value doesn't match function result type '" + | |||
5860 | getTypeString(ResType) + "'"); | |||
5861 | ||||
5862 | Inst = ReturnInst::Create(Context); | |||
5863 | return false; | |||
5864 | } | |||
5865 | ||||
5866 | Value *RV; | |||
5867 | if (ParseValue(Ty, RV, PFS)) return true; | |||
5868 | ||||
5869 | if (ResType != RV->getType()) | |||
5870 | return Error(TypeLoc, "value doesn't match function result type '" + | |||
5871 | getTypeString(ResType) + "'"); | |||
5872 | ||||
5873 | Inst = ReturnInst::Create(Context, RV); | |||
5874 | return false; | |||
5875 | } | |||
5876 | ||||
5877 | /// ParseBr | |||
5878 | /// ::= 'br' TypeAndValue | |||
5879 | /// ::= 'br' TypeAndValue ',' TypeAndValue ',' TypeAndValue | |||
5880 | bool LLParser::ParseBr(Instruction *&Inst, PerFunctionState &PFS) { | |||
5881 | LocTy Loc, Loc2; | |||
5882 | Value *Op0; | |||
5883 | BasicBlock *Op1, *Op2; | |||
5884 | if (ParseTypeAndValue(Op0, Loc, PFS)) return true; | |||
5885 | ||||
5886 | if (BasicBlock *BB = dyn_cast<BasicBlock>(Op0)) { | |||
5887 | Inst = BranchInst::Create(BB); | |||
5888 | return false; | |||
5889 | } | |||
5890 | ||||
5891 | if (Op0->getType() != Type::getInt1Ty(Context)) | |||
5892 | return Error(Loc, "branch condition must have 'i1' type"); | |||
5893 | ||||
5894 | if (ParseToken(lltok::comma, "expected ',' after branch condition") || | |||
5895 | ParseTypeAndBasicBlock(Op1, Loc, PFS) || | |||
5896 | ParseToken(lltok::comma, "expected ',' after true destination") || | |||
5897 | ParseTypeAndBasicBlock(Op2, Loc2, PFS)) | |||
5898 | return true; | |||
5899 | ||||
5900 | Inst = BranchInst::Create(Op1, Op2, Op0); | |||
5901 | return false; | |||
5902 | } | |||
5903 | ||||
5904 | /// ParseSwitch | |||
5905 | /// Instruction | |||
5906 | /// ::= 'switch' TypeAndValue ',' TypeAndValue '[' JumpTable ']' | |||
5907 | /// JumpTable | |||
5908 | /// ::= (TypeAndValue ',' TypeAndValue)* | |||
5909 | bool LLParser::ParseSwitch(Instruction *&Inst, PerFunctionState &PFS) { | |||
5910 | LocTy CondLoc, BBLoc; | |||
5911 | Value *Cond; | |||
5912 | BasicBlock *DefaultBB; | |||
5913 | if (ParseTypeAndValue(Cond, CondLoc, PFS) || | |||
5914 | ParseToken(lltok::comma, "expected ',' after switch condition") || | |||
5915 | ParseTypeAndBasicBlock(DefaultBB, BBLoc, PFS) || | |||
5916 | ParseToken(lltok::lsquare, "expected '[' with switch table")) | |||
5917 | return true; | |||
5918 | ||||
5919 | if (!Cond->getType()->isIntegerTy()) | |||
5920 | return Error(CondLoc, "switch condition must have integer type"); | |||
5921 | ||||
5922 | // Parse the jump table pairs. | |||
5923 | SmallPtrSet<Value*, 32> SeenCases; | |||
5924 | SmallVector<std::pair<ConstantInt*, BasicBlock*>, 32> Table; | |||
5925 | while (Lex.getKind() != lltok::rsquare) { | |||
5926 | Value *Constant; | |||
5927 | BasicBlock *DestBB; | |||
5928 | ||||
5929 | if (ParseTypeAndValue(Constant, CondLoc, PFS) || | |||
5930 | ParseToken(lltok::comma, "expected ',' after case value") || | |||
5931 | ParseTypeAndBasicBlock(DestBB, PFS)) | |||
5932 | return true; | |||
5933 | ||||
5934 | if (!SeenCases.insert(Constant).second) | |||
5935 | return Error(CondLoc, "duplicate case value in switch"); | |||
5936 | if (!isa<ConstantInt>(Constant)) | |||
5937 | return Error(CondLoc, "case value is not a constant integer"); | |||
5938 | ||||
5939 | Table.push_back(std::make_pair(cast<ConstantInt>(Constant), DestBB)); | |||
5940 | } | |||
5941 | ||||
5942 | Lex.Lex(); // Eat the ']'. | |||
5943 | ||||
5944 | SwitchInst *SI = SwitchInst::Create(Cond, DefaultBB, Table.size()); | |||
5945 | for (unsigned i = 0, e = Table.size(); i != e; ++i) | |||
5946 | SI->addCase(Table[i].first, Table[i].second); | |||
5947 | Inst = SI; | |||
5948 | return false; | |||
5949 | } | |||
5950 | ||||
5951 | /// ParseIndirectBr | |||
5952 | /// Instruction | |||
5953 | /// ::= 'indirectbr' TypeAndValue ',' '[' LabelList ']' | |||
5954 | bool LLParser::ParseIndirectBr(Instruction *&Inst, PerFunctionState &PFS) { | |||
5955 | LocTy AddrLoc; | |||
5956 | Value *Address; | |||
5957 | if (ParseTypeAndValue(Address, AddrLoc, PFS) || | |||
5958 | ParseToken(lltok::comma, "expected ',' after indirectbr address") || | |||
5959 | ParseToken(lltok::lsquare, "expected '[' with indirectbr")) | |||
5960 | return true; | |||
5961 | ||||
5962 | if (!Address->getType()->isPointerTy()) | |||
5963 | return Error(AddrLoc, "indirectbr address must have pointer type"); | |||
5964 | ||||
5965 | // Parse the destination list. | |||
5966 | SmallVector<BasicBlock*, 16> DestList; | |||
5967 | ||||
5968 | if (Lex.getKind() != lltok::rsquare) { | |||
5969 | BasicBlock *DestBB; | |||
5970 | if (ParseTypeAndBasicBlock(DestBB, PFS)) | |||
5971 | return true; | |||
5972 | DestList.push_back(DestBB); | |||
5973 | ||||
5974 | while (EatIfPresent(lltok::comma)) { | |||
5975 | if (ParseTypeAndBasicBlock(DestBB, PFS)) | |||
5976 | return true; | |||
5977 | DestList.push_back(DestBB); | |||
5978 | } | |||
5979 | } | |||
5980 | ||||
5981 | if (ParseToken(lltok::rsquare, "expected ']' at end of block list")) | |||
5982 | return true; | |||
5983 | ||||
5984 | IndirectBrInst *IBI = IndirectBrInst::Create(Address, DestList.size()); | |||
5985 | for (unsigned i = 0, e = DestList.size(); i != e; ++i) | |||
5986 | IBI->addDestination(DestList[i]); | |||
5987 | Inst = IBI; | |||
5988 | return false; | |||
5989 | } | |||
5990 | ||||
5991 | /// ParseInvoke | |||
5992 | /// ::= 'invoke' OptionalCallingConv OptionalAttrs Type Value ParamList | |||
5993 | /// OptionalAttrs 'to' TypeAndValue 'unwind' TypeAndValue | |||
5994 | bool LLParser::ParseInvoke(Instruction *&Inst, PerFunctionState &PFS) { | |||
5995 | LocTy CallLoc = Lex.getLoc(); | |||
5996 | AttrBuilder RetAttrs, FnAttrs; | |||
5997 | std::vector<unsigned> FwdRefAttrGrps; | |||
5998 | LocTy NoBuiltinLoc; | |||
5999 | unsigned CC; | |||
6000 | unsigned InvokeAddrSpace; | |||
6001 | Type *RetType = nullptr; | |||
6002 | LocTy RetTypeLoc; | |||
6003 | ValID CalleeID; | |||
6004 | SmallVector<ParamInfo, 16> ArgList; | |||
6005 | SmallVector<OperandBundleDef, 2> BundleList; | |||
6006 | ||||
6007 | BasicBlock *NormalBB, *UnwindBB; | |||
6008 | if (ParseOptionalCallingConv(CC) || ParseOptionalReturnAttrs(RetAttrs) || | |||
6009 | ParseOptionalProgramAddrSpace(InvokeAddrSpace) || | |||
6010 | ParseType(RetType, RetTypeLoc, true /*void allowed*/) || | |||
6011 | ParseValID(CalleeID) || ParseParameterList(ArgList, PFS) || | |||
6012 | ParseFnAttributeValuePairs(FnAttrs, FwdRefAttrGrps, false, | |||
6013 | NoBuiltinLoc) || | |||
6014 | ParseOptionalOperandBundles(BundleList, PFS) || | |||
6015 | ParseToken(lltok::kw_to, "expected 'to' in invoke") || | |||
6016 | ParseTypeAndBasicBlock(NormalBB, PFS) || | |||
6017 | ParseToken(lltok::kw_unwind, "expected 'unwind' in invoke") || | |||
6018 | ParseTypeAndBasicBlock(UnwindBB, PFS)) | |||
6019 | return true; | |||
6020 | ||||
6021 | // If RetType is a non-function pointer type, then this is the short syntax | |||
6022 | // for the call, which means that RetType is just the return type. Infer the | |||
6023 | // rest of the function argument types from the arguments that are present. | |||
6024 | FunctionType *Ty = dyn_cast<FunctionType>(RetType); | |||
6025 | if (!Ty) { | |||
6026 | // Pull out the types of all of the arguments... | |||
6027 | std::vector<Type*> ParamTypes; | |||
6028 | for (unsigned i = 0, e = ArgList.size(); i != e; ++i) | |||
6029 | ParamTypes.push_back(ArgList[i].V->getType()); | |||
6030 | ||||
6031 | if (!FunctionType::isValidReturnType(RetType)) | |||
6032 | return Error(RetTypeLoc, "Invalid result type for LLVM function"); | |||
6033 | ||||
6034 | Ty = FunctionType::get(RetType, ParamTypes, false); | |||
6035 | } | |||
6036 | ||||
6037 | CalleeID.FTy = Ty; | |||
6038 | ||||
6039 | // Look up the callee. | |||
6040 | Value *Callee; | |||
6041 | if (ConvertValIDToValue(PointerType::get(Ty, InvokeAddrSpace), CalleeID, | |||
6042 | Callee, &PFS, /*IsCall=*/true)) | |||
6043 | return true; | |||
6044 | ||||
6045 | // Set up the Attribute for the function. | |||
6046 | SmallVector<Value *, 8> Args; | |||
6047 | SmallVector<AttributeSet, 8> ArgAttrs; | |||
6048 | ||||
6049 | // Loop through FunctionType's arguments and ensure they are specified | |||
6050 | // correctly. Also, gather any parameter attributes. | |||
6051 | FunctionType::param_iterator I = Ty->param_begin(); | |||
6052 | FunctionType::param_iterator E = Ty->param_end(); | |||
6053 | for (unsigned i = 0, e = ArgList.size(); i != e; ++i) { | |||
6054 | Type *ExpectedTy = nullptr; | |||
6055 | if (I != E) { | |||
6056 | ExpectedTy = *I++; | |||
6057 | } else if (!Ty->isVarArg()) { | |||
6058 | return Error(ArgList[i].Loc, "too many arguments specified"); | |||
6059 | } | |||
6060 | ||||
6061 | if (ExpectedTy && ExpectedTy != ArgList[i].V->getType()) | |||
6062 | return Error(ArgList[i].Loc, "argument is not of expected type '" + | |||
6063 | getTypeString(ExpectedTy) + "'"); | |||
6064 | Args.push_back(ArgList[i].V); | |||
6065 | ArgAttrs.push_back(ArgList[i].Attrs); | |||
6066 | } | |||
6067 | ||||
6068 | if (I != E) | |||
6069 | return Error(CallLoc, "not enough parameters specified for call"); | |||
6070 | ||||
6071 | if (FnAttrs.hasAlignmentAttr()) | |||
6072 | return Error(CallLoc, "invoke instructions may not have an alignment"); | |||
6073 | ||||
6074 | // Finish off the Attribute and check them | |||
6075 | AttributeList PAL = | |||
6076 | AttributeList::get(Context, AttributeSet::get(Context, FnAttrs), | |||
6077 | AttributeSet::get(Context, RetAttrs), ArgAttrs); | |||
6078 | ||||
6079 | InvokeInst *II = | |||
6080 | InvokeInst::Create(Ty, Callee, NormalBB, UnwindBB, Args, BundleList); | |||
6081 | II->setCallingConv(CC); | |||
6082 | II->setAttributes(PAL); | |||
6083 | ForwardRefAttrGroups[II] = FwdRefAttrGrps; | |||
6084 | Inst = II; | |||
6085 | return false; | |||
6086 | } | |||
6087 | ||||
6088 | /// ParseResume | |||
6089 | /// ::= 'resume' TypeAndValue | |||
6090 | bool LLParser::ParseResume(Instruction *&Inst, PerFunctionState &PFS) { | |||
6091 | Value *Exn; LocTy ExnLoc; | |||
6092 | if (ParseTypeAndValue(Exn, ExnLoc, PFS)) | |||
6093 | return true; | |||
6094 | ||||
6095 | ResumeInst *RI = ResumeInst::Create(Exn); | |||
6096 | Inst = RI; | |||
6097 | return false; | |||
6098 | } | |||
6099 | ||||
6100 | bool LLParser::ParseExceptionArgs(SmallVectorImpl<Value *> &Args, | |||
6101 | PerFunctionState &PFS) { | |||
6102 | if (ParseToken(lltok::lsquare, "expected '[' in catchpad/cleanuppad")) | |||
6103 | return true; | |||
6104 | ||||
6105 | while (Lex.getKind() != lltok::rsquare) { | |||
6106 | // If this isn't the first argument, we need a comma. | |||
6107 | if (!Args.empty() && | |||
6108 | ParseToken(lltok::comma, "expected ',' in argument list")) | |||
6109 | return true; | |||
6110 | ||||
6111 | // Parse the argument. | |||
6112 | LocTy ArgLoc; | |||
6113 | Type *ArgTy = nullptr; | |||
6114 | if (ParseType(ArgTy, ArgLoc)) | |||
6115 | return true; | |||
6116 | ||||
6117 | Value *V; | |||
6118 | if (ArgTy->isMetadataTy()) { | |||
6119 | if (ParseMetadataAsValue(V, PFS)) | |||
6120 | return true; | |||
6121 | } else { | |||
6122 | if (ParseValue(ArgTy, V, PFS)) | |||
6123 | return true; | |||
6124 | } | |||
6125 | Args.push_back(V); | |||
6126 | } | |||
6127 | ||||
6128 | Lex.Lex(); // Lex the ']'. | |||
6129 | return false; | |||
6130 | } | |||
6131 | ||||
6132 | /// ParseCleanupRet | |||
6133 | /// ::= 'cleanupret' from Value unwind ('to' 'caller' | TypeAndValue) | |||
6134 | bool LLParser::ParseCleanupRet(Instruction *&Inst, PerFunctionState &PFS) { | |||
6135 | Value *CleanupPad = nullptr; | |||
6136 | ||||
6137 | if (ParseToken(lltok::kw_from, "expected 'from' after cleanupret")) | |||
6138 | return true; | |||
6139 | ||||
6140 | if (ParseValue(Type::getTokenTy(Context), CleanupPad, PFS)) | |||
6141 | return true; | |||
6142 | ||||
6143 | if (ParseToken(lltok::kw_unwind, "expected 'unwind' in cleanupret")) | |||
6144 | return true; | |||
6145 | ||||
6146 | BasicBlock *UnwindBB = nullptr; | |||
6147 | if (Lex.getKind() == lltok::kw_to) { | |||
6148 | Lex.Lex(); | |||
6149 | if (ParseToken(lltok::kw_caller, "expected 'caller' in cleanupret")) | |||
6150 | return true; | |||
6151 | } else { | |||
6152 | if (ParseTypeAndBasicBlock(UnwindBB, PFS)) { | |||
6153 | return true; | |||
6154 | } | |||
6155 | } | |||
6156 | ||||
6157 | Inst = CleanupReturnInst::Create(CleanupPad, UnwindBB); | |||
6158 | return false; | |||
6159 | } | |||
6160 | ||||
6161 | /// ParseCatchRet | |||
6162 | /// ::= 'catchret' from Parent Value 'to' TypeAndValue | |||
6163 | bool LLParser::ParseCatchRet(Instruction *&Inst, PerFunctionState &PFS) { | |||
6164 | Value *CatchPad = nullptr; | |||
6165 | ||||
6166 | if (ParseToken(lltok::kw_from, "expected 'from' after catchret")) | |||
6167 | return true; | |||
6168 | ||||
6169 | if (ParseValue(Type::getTokenTy(Context), CatchPad, PFS)) | |||
6170 | return true; | |||
6171 | ||||
6172 | BasicBlock *BB; | |||
6173 | if (ParseToken(lltok::kw_to, "expected 'to' in catchret") || | |||
6174 | ParseTypeAndBasicBlock(BB, PFS)) | |||
6175 | return true; | |||
6176 | ||||
6177 | Inst = CatchReturnInst::Create(CatchPad, BB); | |||
6178 | return false; | |||
6179 | } | |||
6180 | ||||
6181 | /// ParseCatchSwitch | |||
6182 | /// ::= 'catchswitch' within Parent | |||
6183 | bool LLParser::ParseCatchSwitch(Instruction *&Inst, PerFunctionState &PFS) { | |||
6184 | Value *ParentPad; | |||
6185 | ||||
6186 | if (ParseToken(lltok::kw_within, "expected 'within' after catchswitch")) | |||
6187 | return true; | |||
6188 | ||||
6189 | if (Lex.getKind() != lltok::kw_none && Lex.getKind() != lltok::LocalVar && | |||
6190 | Lex.getKind() != lltok::LocalVarID) | |||
6191 | return TokError("expected scope value for catchswitch"); | |||
6192 | ||||
6193 | if (ParseValue(Type::getTokenTy(Context), ParentPad, PFS)) | |||
6194 | return true; | |||
6195 | ||||
6196 | if (ParseToken(lltok::lsquare, "expected '[' with catchswitch labels")) | |||
6197 | return true; | |||
6198 | ||||
6199 | SmallVector<BasicBlock *, 32> Table; | |||
6200 | do { | |||
6201 | BasicBlock *DestBB; | |||
6202 | if (ParseTypeAndBasicBlock(DestBB, PFS)) | |||
6203 | return true; | |||
6204 | Table.push_back(DestBB); | |||
6205 | } while (EatIfPresent(lltok::comma)); | |||
6206 | ||||
6207 | if (ParseToken(lltok::rsquare, "expected ']' after catchswitch labels")) | |||
6208 | return true; | |||
6209 | ||||
6210 | if (ParseToken(lltok::kw_unwind, | |||
6211 | "expected 'unwind' after catchswitch scope")) | |||
6212 | return true; | |||
6213 | ||||
6214 | BasicBlock *UnwindBB = nullptr; | |||
6215 | if (EatIfPresent(lltok::kw_to)) { | |||
6216 | if (ParseToken(lltok::kw_caller, "expected 'caller' in catchswitch")) | |||
6217 | return true; | |||
6218 | } else { | |||
6219 | if (ParseTypeAndBasicBlock(UnwindBB, PFS)) | |||
6220 | return true; | |||
6221 | } | |||
6222 | ||||
6223 | auto *CatchSwitch = | |||
6224 | CatchSwitchInst::Create(ParentPad, UnwindBB, Table.size()); | |||
6225 | for (BasicBlock *DestBB : Table) | |||
6226 | CatchSwitch->addHandler(DestBB); | |||
6227 | Inst = CatchSwitch; | |||
6228 | return false; | |||
6229 | } | |||
6230 | ||||
6231 | /// ParseCatchPad | |||
6232 | /// ::= 'catchpad' ParamList 'to' TypeAndValue 'unwind' TypeAndValue | |||
6233 | bool LLParser::ParseCatchPad(Instruction *&Inst, PerFunctionState &PFS) { | |||
6234 | Value *CatchSwitch = nullptr; | |||
6235 | ||||
6236 | if (ParseToken(lltok::kw_within, "expected 'within' after catchpad")) | |||
6237 | return true; | |||
6238 | ||||
6239 | if (Lex.getKind() != lltok::LocalVar && Lex.getKind() != lltok::LocalVarID) | |||
6240 | return TokError("expected scope value for catchpad"); | |||
6241 | ||||
6242 | if (ParseValue(Type::getTokenTy(Context), CatchSwitch, PFS)) | |||
6243 | return true; | |||
6244 | ||||
6245 | SmallVector<Value *, 8> Args; | |||
6246 | if (ParseExceptionArgs(Args, PFS)) | |||
6247 | return true; | |||
6248 | ||||
6249 | Inst = CatchPadInst::Create(CatchSwitch, Args); | |||
6250 | return false; | |||
6251 | } | |||
6252 | ||||
6253 | /// ParseCleanupPad | |||
6254 | /// ::= 'cleanuppad' within Parent ParamList | |||
6255 | bool LLParser::ParseCleanupPad(Instruction *&Inst, PerFunctionState &PFS) { | |||
6256 | Value *ParentPad = nullptr; | |||
6257 | ||||
6258 | if (ParseToken(lltok::kw_within, "expected 'within' after cleanuppad")) | |||
6259 | return true; | |||
6260 | ||||
6261 | if (Lex.getKind() != lltok::kw_none && Lex.getKind() != lltok::LocalVar && | |||
6262 | Lex.getKind() != lltok::LocalVarID) | |||
6263 | return TokError("expected scope value for cleanuppad"); | |||
6264 | ||||
6265 | if (ParseValue(Type::getTokenTy(Context), ParentPad, PFS)) | |||
6266 | return true; | |||
6267 | ||||
6268 | SmallVector<Value *, 8> Args; | |||
6269 | if (ParseExceptionArgs(Args, PFS)) | |||
6270 | return true; | |||
6271 | ||||
6272 | Inst = CleanupPadInst::Create(ParentPad, Args); | |||
6273 | return false; | |||
6274 | } | |||
6275 | ||||
6276 | //===----------------------------------------------------------------------===// | |||
6277 | // Unary Operators. | |||
6278 | //===----------------------------------------------------------------------===// | |||
6279 | ||||
6280 | /// ParseUnaryOp | |||
6281 | /// ::= UnaryOp TypeAndValue ',' Value | |||
6282 | /// | |||
6283 | /// If IsFP is false, then any integer operand is allowed, if it is true, any fp | |||
6284 | /// operand is allowed. | |||
6285 | bool LLParser::ParseUnaryOp(Instruction *&Inst, PerFunctionState &PFS, | |||
6286 | unsigned Opc, bool IsFP) { | |||
6287 | LocTy Loc; Value *LHS; | |||
6288 | if (ParseTypeAndValue(LHS, Loc, PFS)) | |||
6289 | return true; | |||
6290 | ||||
6291 | bool Valid = IsFP ? LHS->getType()->isFPOrFPVectorTy() | |||
6292 | : LHS->getType()->isIntOrIntVectorTy(); | |||
6293 | ||||
6294 | if (!Valid) | |||
6295 | return Error(Loc, "invalid operand type for instruction"); | |||
6296 | ||||
6297 | Inst = UnaryOperator::Create((Instruction::UnaryOps)Opc, LHS); | |||
6298 | return false; | |||
6299 | } | |||
6300 | ||||
6301 | /// ParseCallBr | |||
6302 | /// ::= 'callbr' OptionalCallingConv OptionalAttrs Type Value ParamList | |||
6303 | /// OptionalAttrs OptionalOperandBundles 'to' TypeAndValue | |||
6304 | /// '[' LabelList ']' | |||
6305 | bool LLParser::ParseCallBr(Instruction *&Inst, PerFunctionState &PFS) { | |||
6306 | LocTy CallLoc = Lex.getLoc(); | |||
6307 | AttrBuilder RetAttrs, FnAttrs; | |||
6308 | std::vector<unsigned> FwdRefAttrGrps; | |||
6309 | LocTy NoBuiltinLoc; | |||
6310 | unsigned CC; | |||
6311 | Type *RetType = nullptr; | |||
6312 | LocTy RetTypeLoc; | |||
6313 | ValID CalleeID; | |||
6314 | SmallVector<ParamInfo, 16> ArgList; | |||
6315 | SmallVector<OperandBundleDef, 2> BundleList; | |||
6316 | ||||
6317 | BasicBlock *DefaultDest; | |||
6318 | if (ParseOptionalCallingConv(CC) || ParseOptionalReturnAttrs(RetAttrs) || | |||
6319 | ParseType(RetType, RetTypeLoc, true /*void allowed*/) || | |||
6320 | ParseValID(CalleeID) || ParseParameterList(ArgList, PFS) || | |||
6321 | ParseFnAttributeValuePairs(FnAttrs, FwdRefAttrGrps, false, | |||
6322 | NoBuiltinLoc) || | |||
6323 | ParseOptionalOperandBundles(BundleList, PFS) || | |||
6324 | ParseToken(lltok::kw_to, "expected 'to' in callbr") || | |||
6325 | ParseTypeAndBasicBlock(DefaultDest, PFS) || | |||
6326 | ParseToken(lltok::lsquare, "expected '[' in callbr")) | |||
6327 | return true; | |||
6328 | ||||
6329 | // Parse the destination list. | |||
6330 | SmallVector<BasicBlock *, 16> IndirectDests; | |||
6331 | ||||
6332 | if (Lex.getKind() != lltok::rsquare) { | |||
6333 | BasicBlock *DestBB; | |||
6334 | if (ParseTypeAndBasicBlock(DestBB, PFS)) | |||
6335 | return true; | |||
6336 | IndirectDests.push_back(DestBB); | |||
6337 | ||||
6338 | while (EatIfPresent(lltok::comma)) { | |||
6339 | if (ParseTypeAndBasicBlock(DestBB, PFS)) | |||
6340 | return true; | |||
6341 | IndirectDests.push_back(DestBB); | |||
6342 | } | |||
6343 | } | |||
6344 | ||||
6345 | if (ParseToken(lltok::rsquare, "expected ']' at end of block list")) | |||
6346 | return true; | |||
6347 | ||||
6348 | // If RetType is a non-function pointer type, then this is the short syntax | |||
6349 | // for the call, which means that RetType is just the return type. Infer the | |||
6350 | // rest of the function argument types from the arguments that are present. | |||
6351 | FunctionType *Ty = dyn_cast<FunctionType>(RetType); | |||
6352 | if (!Ty) { | |||
6353 | // Pull out the types of all of the arguments... | |||
6354 | std::vector<Type *> ParamTypes; | |||
6355 | for (unsigned i = 0, e = ArgList.size(); i != e; ++i) | |||
6356 | ParamTypes.push_back(ArgList[i].V->getType()); | |||
6357 | ||||
6358 | if (!FunctionType::isValidReturnType(RetType)) | |||
6359 | return Error(RetTypeLoc, "Invalid result type for LLVM function"); | |||
6360 | ||||
6361 | Ty = FunctionType::get(RetType, ParamTypes, false); | |||
6362 | } | |||
6363 | ||||
6364 | CalleeID.FTy = Ty; | |||
6365 | ||||
6366 | // Look up the callee. | |||
6367 | Value *Callee; | |||
6368 | if (ConvertValIDToValue(PointerType::getUnqual(Ty), CalleeID, Callee, &PFS, | |||
6369 | /*IsCall=*/true)) | |||
6370 | return true; | |||
6371 | ||||
6372 | if (isa<InlineAsm>(Callee) && !Ty->getReturnType()->isVoidTy()) | |||
6373 | return Error(RetTypeLoc, "asm-goto outputs not supported"); | |||
6374 | ||||
6375 | // Set up the Attribute for the function. | |||
6376 | SmallVector<Value *, 8> Args; | |||
6377 | SmallVector<AttributeSet, 8> ArgAttrs; | |||
6378 | ||||
6379 | // Loop through FunctionType's arguments and ensure they are specified | |||
6380 | // correctly. Also, gather any parameter attributes. | |||
6381 | FunctionType::param_iterator I = Ty->param_begin(); | |||
6382 | FunctionType::param_iterator E = Ty->param_end(); | |||
6383 | for (unsigned i = 0, e = ArgList.size(); i != e; ++i) { | |||
6384 | Type *ExpectedTy = nullptr; | |||
6385 | if (I != E) { | |||
6386 | ExpectedTy = *I++; | |||
6387 | } else if (!Ty->isVarArg()) { | |||
6388 | return Error(ArgList[i].Loc, "too many arguments specified"); | |||
6389 | } | |||
6390 | ||||
6391 | if (ExpectedTy && ExpectedTy != ArgList[i].V->getType()) | |||
6392 | return Error(ArgList[i].Loc, "argument is not of expected type '" + | |||
6393 | getTypeString(ExpectedTy) + "'"); | |||
6394 | Args.push_back(ArgList[i].V); | |||
6395 | ArgAttrs.push_back(ArgList[i].Attrs); | |||
6396 | } | |||
6397 | ||||
6398 | if (I != E) | |||
6399 | return Error(CallLoc, "not enough parameters specified for call"); | |||
6400 | ||||
6401 | if (FnAttrs.hasAlignmentAttr()) | |||
6402 | return Error(CallLoc, "callbr instructions may not have an alignment"); | |||
6403 | ||||
6404 | // Finish off the Attribute and check them | |||
6405 | AttributeList PAL = | |||
6406 | AttributeList::get(Context, AttributeSet::get(Context, FnAttrs), | |||
6407 | AttributeSet::get(Context, RetAttrs), ArgAttrs); | |||
6408 | ||||
6409 | CallBrInst *CBI = | |||
6410 | CallBrInst::Create(Ty, Callee, DefaultDest, IndirectDests, Args, | |||
6411 | BundleList); | |||
6412 | CBI->setCallingConv(CC); | |||
6413 | CBI->setAttributes(PAL); | |||
6414 | ForwardRefAttrGroups[CBI] = FwdRefAttrGrps; | |||
6415 | Inst = CBI; | |||
6416 | return false; | |||
6417 | } | |||
6418 | ||||
6419 | //===----------------------------------------------------------------------===// | |||
6420 | // Binary Operators. | |||
6421 | //===----------------------------------------------------------------------===// | |||
6422 | ||||
6423 | /// ParseArithmetic | |||
6424 | /// ::= ArithmeticOps TypeAndValue ',' Value | |||
6425 | /// | |||
6426 | /// If IsFP is false, then any integer operand is allowed, if it is true, any fp | |||
6427 | /// operand is allowed. | |||
6428 | bool LLParser::ParseArithmetic(Instruction *&Inst, PerFunctionState &PFS, | |||
6429 | unsigned Opc, bool IsFP) { | |||
6430 | LocTy Loc; Value *LHS, *RHS; | |||
6431 | if (ParseTypeAndValue(LHS, Loc, PFS) || | |||
6432 | ParseToken(lltok::comma, "expected ',' in arithmetic operation") || | |||
6433 | ParseValue(LHS->getType(), RHS, PFS)) | |||
6434 | return true; | |||
6435 | ||||
6436 | bool Valid = IsFP ? LHS->getType()->isFPOrFPVectorTy() | |||
6437 | : LHS->getType()->isIntOrIntVectorTy(); | |||
6438 | ||||
6439 | if (!Valid) | |||
6440 | return Error(Loc, "invalid operand type for instruction"); | |||
6441 | ||||
6442 | Inst = BinaryOperator::Create((Instruction::BinaryOps)Opc, LHS, RHS); | |||
6443 | return false; | |||
6444 | } | |||
6445 | ||||
6446 | /// ParseLogical | |||
6447 | /// ::= ArithmeticOps TypeAndValue ',' Value { | |||
6448 | bool LLParser::ParseLogical(Instruction *&Inst, PerFunctionState &PFS, | |||
6449 | unsigned Opc) { | |||
6450 | LocTy Loc; Value *LHS, *RHS; | |||
6451 | if (ParseTypeAndValue(LHS, Loc, PFS) || | |||
6452 | ParseToken(lltok::comma, "expected ',' in logical operation") || | |||
6453 | ParseValue(LHS->getType(), RHS, PFS)) | |||
6454 | return true; | |||
6455 | ||||
6456 | if (!LHS->getType()->isIntOrIntVectorTy()) | |||
6457 | return Error(Loc,"instruction requires integer or integer vector operands"); | |||
6458 | ||||
6459 | Inst = BinaryOperator::Create((Instruction::BinaryOps)Opc, LHS, RHS); | |||
6460 | return false; | |||
6461 | } | |||
6462 | ||||
6463 | /// ParseCompare | |||
6464 | /// ::= 'icmp' IPredicates TypeAndValue ',' Value | |||
6465 | /// ::= 'fcmp' FPredicates TypeAndValue ',' Value | |||
6466 | bool LLParser::ParseCompare(Instruction *&Inst, PerFunctionState &PFS, | |||
6467 | unsigned Opc) { | |||
6468 | // Parse the integer/fp comparison predicate. | |||
6469 | LocTy Loc; | |||
6470 | unsigned Pred; | |||
6471 | Value *LHS, *RHS; | |||
6472 | if (ParseCmpPredicate(Pred, Opc) || | |||
6473 | ParseTypeAndValue(LHS, Loc, PFS) || | |||
6474 | ParseToken(lltok::comma, "expected ',' after compare value") || | |||
6475 | ParseValue(LHS->getType(), RHS, PFS)) | |||
6476 | return true; | |||
6477 | ||||
6478 | if (Opc == Instruction::FCmp) { | |||
6479 | if (!LHS->getType()->isFPOrFPVectorTy()) | |||
6480 | return Error(Loc, "fcmp requires floating point operands"); | |||
6481 | Inst = new FCmpInst(CmpInst::Predicate(Pred), LHS, RHS); | |||
6482 | } else { | |||
6483 | assert(Opc == Instruction::ICmp && "Unknown opcode for CmpInst!")((Opc == Instruction::ICmp && "Unknown opcode for CmpInst!" ) ? static_cast<void> (0) : __assert_fail ("Opc == Instruction::ICmp && \"Unknown opcode for CmpInst!\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 6483, __PRETTY_FUNCTION__)); | |||
6484 | if (!LHS->getType()->isIntOrIntVectorTy() && | |||
6485 | !LHS->getType()->isPtrOrPtrVectorTy()) | |||
6486 | return Error(Loc, "icmp requires integer operands"); | |||
6487 | Inst = new ICmpInst(CmpInst::Predicate(Pred), LHS, RHS); | |||
6488 | } | |||
6489 | return false; | |||
6490 | } | |||
6491 | ||||
6492 | //===----------------------------------------------------------------------===// | |||
6493 | // Other Instructions. | |||
6494 | //===----------------------------------------------------------------------===// | |||
6495 | ||||
6496 | ||||
6497 | /// ParseCast | |||
6498 | /// ::= CastOpc TypeAndValue 'to' Type | |||
6499 | bool LLParser::ParseCast(Instruction *&Inst, PerFunctionState &PFS, | |||
6500 | unsigned Opc) { | |||
6501 | LocTy Loc; | |||
6502 | Value *Op; | |||
6503 | Type *DestTy = nullptr; | |||
6504 | if (ParseTypeAndValue(Op, Loc, PFS) || | |||
6505 | ParseToken(lltok::kw_to, "expected 'to' after cast value") || | |||
6506 | ParseType(DestTy)) | |||
6507 | return true; | |||
6508 | ||||
6509 | if (!CastInst::castIsValid((Instruction::CastOps)Opc, Op, DestTy)) { | |||
6510 | CastInst::castIsValid((Instruction::CastOps)Opc, Op, DestTy); | |||
6511 | return Error(Loc, "invalid cast opcode for cast from '" + | |||
6512 | getTypeString(Op->getType()) + "' to '" + | |||
6513 | getTypeString(DestTy) + "'"); | |||
6514 | } | |||
6515 | Inst = CastInst::Create((Instruction::CastOps)Opc, Op, DestTy); | |||
6516 | return false; | |||
6517 | } | |||
6518 | ||||
6519 | /// ParseSelect | |||
6520 | /// ::= 'select' TypeAndValue ',' TypeAndValue ',' TypeAndValue | |||
6521 | bool LLParser::ParseSelect(Instruction *&Inst, PerFunctionState &PFS) { | |||
6522 | LocTy Loc; | |||
6523 | Value *Op0, *Op1, *Op2; | |||
6524 | if (ParseTypeAndValue(Op0, Loc, PFS) || | |||
6525 | ParseToken(lltok::comma, "expected ',' after select condition") || | |||
6526 | ParseTypeAndValue(Op1, PFS) || | |||
6527 | ParseToken(lltok::comma, "expected ',' after select value") || | |||
6528 | ParseTypeAndValue(Op2, PFS)) | |||
6529 | return true; | |||
6530 | ||||
6531 | if (const char *Reason = SelectInst::areInvalidOperands(Op0, Op1, Op2)) | |||
6532 | return Error(Loc, Reason); | |||
6533 | ||||
6534 | Inst = SelectInst::Create(Op0, Op1, Op2); | |||
6535 | return false; | |||
6536 | } | |||
6537 | ||||
6538 | /// ParseVA_Arg | |||
6539 | /// ::= 'va_arg' TypeAndValue ',' Type | |||
6540 | bool LLParser::ParseVA_Arg(Instruction *&Inst, PerFunctionState &PFS) { | |||
6541 | Value *Op; | |||
6542 | Type *EltTy = nullptr; | |||
6543 | LocTy TypeLoc; | |||
6544 | if (ParseTypeAndValue(Op, PFS) || | |||
6545 | ParseToken(lltok::comma, "expected ',' after vaarg operand") || | |||
6546 | ParseType(EltTy, TypeLoc)) | |||
6547 | return true; | |||
6548 | ||||
6549 | if (!EltTy->isFirstClassType()) | |||
6550 | return Error(TypeLoc, "va_arg requires operand with first class type"); | |||
6551 | ||||
6552 | Inst = new VAArgInst(Op, EltTy); | |||
6553 | return false; | |||
6554 | } | |||
6555 | ||||
6556 | /// ParseExtractElement | |||
6557 | /// ::= 'extractelement' TypeAndValue ',' TypeAndValue | |||
6558 | bool LLParser::ParseExtractElement(Instruction *&Inst, PerFunctionState &PFS) { | |||
6559 | LocTy Loc; | |||
6560 | Value *Op0, *Op1; | |||
6561 | if (ParseTypeAndValue(Op0, Loc, PFS) || | |||
6562 | ParseToken(lltok::comma, "expected ',' after extract value") || | |||
6563 | ParseTypeAndValue(Op1, PFS)) | |||
6564 | return true; | |||
6565 | ||||
6566 | if (!ExtractElementInst::isValidOperands(Op0, Op1)) | |||
6567 | return Error(Loc, "invalid extractelement operands"); | |||
6568 | ||||
6569 | Inst = ExtractElementInst::Create(Op0, Op1); | |||
6570 | return false; | |||
6571 | } | |||
6572 | ||||
6573 | /// ParseInsertElement | |||
6574 | /// ::= 'insertelement' TypeAndValue ',' TypeAndValue ',' TypeAndValue | |||
6575 | bool LLParser::ParseInsertElement(Instruction *&Inst, PerFunctionState &PFS) { | |||
6576 | LocTy Loc; | |||
6577 | Value *Op0, *Op1, *Op2; | |||
6578 | if (ParseTypeAndValue(Op0, Loc, PFS) || | |||
6579 | ParseToken(lltok::comma, "expected ',' after insertelement value") || | |||
6580 | ParseTypeAndValue(Op1, PFS) || | |||
6581 | ParseToken(lltok::comma, "expected ',' after insertelement value") || | |||
6582 | ParseTypeAndValue(Op2, PFS)) | |||
6583 | return true; | |||
6584 | ||||
6585 | if (!InsertElementInst::isValidOperands(Op0, Op1, Op2)) | |||
6586 | return Error(Loc, "invalid insertelement operands"); | |||
6587 | ||||
6588 | Inst = InsertElementInst::Create(Op0, Op1, Op2); | |||
6589 | return false; | |||
6590 | } | |||
6591 | ||||
6592 | /// ParseShuffleVector | |||
6593 | /// ::= 'shufflevector' TypeAndValue ',' TypeAndValue ',' TypeAndValue | |||
6594 | bool LLParser::ParseShuffleVector(Instruction *&Inst, PerFunctionState &PFS) { | |||
6595 | LocTy Loc; | |||
6596 | Value *Op0, *Op1, *Op2; | |||
6597 | if (ParseTypeAndValue(Op0, Loc, PFS) || | |||
6598 | ParseToken(lltok::comma, "expected ',' after shuffle mask") || | |||
6599 | ParseTypeAndValue(Op1, PFS) || | |||
6600 | ParseToken(lltok::comma, "expected ',' after shuffle value") || | |||
6601 | ParseTypeAndValue(Op2, PFS)) | |||
6602 | return true; | |||
6603 | ||||
6604 | if (!ShuffleVectorInst::isValidOperands(Op0, Op1, Op2)) | |||
6605 | return Error(Loc, "invalid shufflevector operands"); | |||
6606 | ||||
6607 | Inst = new ShuffleVectorInst(Op0, Op1, Op2); | |||
6608 | return false; | |||
6609 | } | |||
6610 | ||||
6611 | /// ParsePHI | |||
6612 | /// ::= 'phi' Type '[' Value ',' Value ']' (',' '[' Value ',' Value ']')* | |||
6613 | int LLParser::ParsePHI(Instruction *&Inst, PerFunctionState &PFS) { | |||
6614 | Type *Ty = nullptr; LocTy TypeLoc; | |||
6615 | Value *Op0, *Op1; | |||
6616 | ||||
6617 | if (ParseType(Ty, TypeLoc) || | |||
6618 | ParseToken(lltok::lsquare, "expected '[' in phi value list") || | |||
6619 | ParseValue(Ty, Op0, PFS) || | |||
6620 | ParseToken(lltok::comma, "expected ',' after insertelement value") || | |||
6621 | ParseValue(Type::getLabelTy(Context), Op1, PFS) || | |||
6622 | ParseToken(lltok::rsquare, "expected ']' in phi value list")) | |||
6623 | return true; | |||
6624 | ||||
6625 | bool AteExtraComma = false; | |||
6626 | SmallVector<std::pair<Value*, BasicBlock*>, 16> PHIVals; | |||
6627 | ||||
6628 | while (true) { | |||
6629 | PHIVals.push_back(std::make_pair(Op0, cast<BasicBlock>(Op1))); | |||
6630 | ||||
6631 | if (!EatIfPresent(lltok::comma)) | |||
6632 | break; | |||
6633 | ||||
6634 | if (Lex.getKind() == lltok::MetadataVar) { | |||
6635 | AteExtraComma = true; | |||
6636 | break; | |||
6637 | } | |||
6638 | ||||
6639 | if (ParseToken(lltok::lsquare, "expected '[' in phi value list") || | |||
6640 | ParseValue(Ty, Op0, PFS) || | |||
6641 | ParseToken(lltok::comma, "expected ',' after insertelement value") || | |||
6642 | ParseValue(Type::getLabelTy(Context), Op1, PFS) || | |||
6643 | ParseToken(lltok::rsquare, "expected ']' in phi value list")) | |||
6644 | return true; | |||
6645 | } | |||
6646 | ||||
6647 | if (!Ty->isFirstClassType()) | |||
6648 | return Error(TypeLoc, "phi node must have first class type"); | |||
6649 | ||||
6650 | PHINode *PN = PHINode::Create(Ty, PHIVals.size()); | |||
6651 | for (unsigned i = 0, e = PHIVals.size(); i != e; ++i) | |||
6652 | PN->addIncoming(PHIVals[i].first, PHIVals[i].second); | |||
6653 | Inst = PN; | |||
6654 | return AteExtraComma ? InstExtraComma : InstNormal; | |||
6655 | } | |||
6656 | ||||
6657 | /// ParseLandingPad | |||
6658 | /// ::= 'landingpad' Type 'personality' TypeAndValue 'cleanup'? Clause+ | |||
6659 | /// Clause | |||
6660 | /// ::= 'catch' TypeAndValue | |||
6661 | /// ::= 'filter' | |||
6662 | /// ::= 'filter' TypeAndValue ( ',' TypeAndValue )* | |||
6663 | bool LLParser::ParseLandingPad(Instruction *&Inst, PerFunctionState &PFS) { | |||
6664 | Type *Ty = nullptr; LocTy TyLoc; | |||
6665 | ||||
6666 | if (ParseType(Ty, TyLoc)) | |||
6667 | return true; | |||
6668 | ||||
6669 | std::unique_ptr<LandingPadInst> LP(LandingPadInst::Create(Ty, 0)); | |||
6670 | LP->setCleanup(EatIfPresent(lltok::kw_cleanup)); | |||
6671 | ||||
6672 | while (Lex.getKind() == lltok::kw_catch || Lex.getKind() == lltok::kw_filter){ | |||
6673 | LandingPadInst::ClauseType CT; | |||
6674 | if (EatIfPresent(lltok::kw_catch)) | |||
6675 | CT = LandingPadInst::Catch; | |||
6676 | else if (EatIfPresent(lltok::kw_filter)) | |||
6677 | CT = LandingPadInst::Filter; | |||
6678 | else | |||
6679 | return TokError("expected 'catch' or 'filter' clause type"); | |||
6680 | ||||
6681 | Value *V; | |||
6682 | LocTy VLoc; | |||
6683 | if (ParseTypeAndValue(V, VLoc, PFS)) | |||
6684 | return true; | |||
6685 | ||||
6686 | // A 'catch' type expects a non-array constant. A filter clause expects an | |||
6687 | // array constant. | |||
6688 | if (CT == LandingPadInst::Catch) { | |||
6689 | if (isa<ArrayType>(V->getType())) | |||
6690 | Error(VLoc, "'catch' clause has an invalid type"); | |||
6691 | } else { | |||
6692 | if (!isa<ArrayType>(V->getType())) | |||
6693 | Error(VLoc, "'filter' clause has an invalid type"); | |||
6694 | } | |||
6695 | ||||
6696 | Constant *CV = dyn_cast<Constant>(V); | |||
6697 | if (!CV) | |||
6698 | return Error(VLoc, "clause argument must be a constant"); | |||
6699 | LP->addClause(CV); | |||
6700 | } | |||
6701 | ||||
6702 | Inst = LP.release(); | |||
6703 | return false; | |||
6704 | } | |||
6705 | ||||
6706 | /// ParseCall | |||
6707 | /// ::= 'call' OptionalFastMathFlags OptionalCallingConv | |||
6708 | /// OptionalAttrs Type Value ParameterList OptionalAttrs | |||
6709 | /// ::= 'tail' 'call' OptionalFastMathFlags OptionalCallingConv | |||
6710 | /// OptionalAttrs Type Value ParameterList OptionalAttrs | |||
6711 | /// ::= 'musttail' 'call' OptionalFastMathFlags OptionalCallingConv | |||
6712 | /// OptionalAttrs Type Value ParameterList OptionalAttrs | |||
6713 | /// ::= 'notail' 'call' OptionalFastMathFlags OptionalCallingConv | |||
6714 | /// OptionalAttrs Type Value ParameterList OptionalAttrs | |||
6715 | bool LLParser::ParseCall(Instruction *&Inst, PerFunctionState &PFS, | |||
6716 | CallInst::TailCallKind TCK) { | |||
6717 | AttrBuilder RetAttrs, FnAttrs; | |||
6718 | std::vector<unsigned> FwdRefAttrGrps; | |||
6719 | LocTy BuiltinLoc; | |||
6720 | unsigned CallAddrSpace; | |||
6721 | unsigned CC; | |||
6722 | Type *RetType = nullptr; | |||
6723 | LocTy RetTypeLoc; | |||
6724 | ValID CalleeID; | |||
6725 | SmallVector<ParamInfo, 16> ArgList; | |||
6726 | SmallVector<OperandBundleDef, 2> BundleList; | |||
6727 | LocTy CallLoc = Lex.getLoc(); | |||
6728 | ||||
6729 | if (TCK != CallInst::TCK_None && | |||
6730 | ParseToken(lltok::kw_call, | |||
6731 | "expected 'tail call', 'musttail call', or 'notail call'")) | |||
6732 | return true; | |||
6733 | ||||
6734 | FastMathFlags FMF = EatFastMathFlagsIfPresent(); | |||
6735 | ||||
6736 | if (ParseOptionalCallingConv(CC) || ParseOptionalReturnAttrs(RetAttrs) || | |||
6737 | ParseOptionalProgramAddrSpace(CallAddrSpace) || | |||
6738 | ParseType(RetType, RetTypeLoc, true /*void allowed*/) || | |||
6739 | ParseValID(CalleeID) || | |||
6740 | ParseParameterList(ArgList, PFS, TCK == CallInst::TCK_MustTail, | |||
6741 | PFS.getFunction().isVarArg()) || | |||
6742 | ParseFnAttributeValuePairs(FnAttrs, FwdRefAttrGrps, false, BuiltinLoc) || | |||
6743 | ParseOptionalOperandBundles(BundleList, PFS)) | |||
6744 | return true; | |||
6745 | ||||
6746 | if (FMF.any() && !RetType->isFPOrFPVectorTy()) | |||
6747 | return Error(CallLoc, "fast-math-flags specified for call without " | |||
6748 | "floating-point scalar or vector return type"); | |||
6749 | ||||
6750 | // If RetType is a non-function pointer type, then this is the short syntax | |||
6751 | // for the call, which means that RetType is just the return type. Infer the | |||
6752 | // rest of the function argument types from the arguments that are present. | |||
6753 | FunctionType *Ty = dyn_cast<FunctionType>(RetType); | |||
6754 | if (!Ty) { | |||
6755 | // Pull out the types of all of the arguments... | |||
6756 | std::vector<Type*> ParamTypes; | |||
6757 | for (unsigned i = 0, e = ArgList.size(); i != e; ++i) | |||
6758 | ParamTypes.push_back(ArgList[i].V->getType()); | |||
6759 | ||||
6760 | if (!FunctionType::isValidReturnType(RetType)) | |||
6761 | return Error(RetTypeLoc, "Invalid result type for LLVM function"); | |||
6762 | ||||
6763 | Ty = FunctionType::get(RetType, ParamTypes, false); | |||
6764 | } | |||
6765 | ||||
6766 | CalleeID.FTy = Ty; | |||
6767 | ||||
6768 | // Look up the callee. | |||
6769 | Value *Callee; | |||
6770 | if (ConvertValIDToValue(PointerType::get(Ty, CallAddrSpace), CalleeID, Callee, | |||
6771 | &PFS, /*IsCall=*/true)) | |||
6772 | return true; | |||
6773 | ||||
6774 | // Set up the Attribute for the function. | |||
6775 | SmallVector<AttributeSet, 8> Attrs; | |||
6776 | ||||
6777 | SmallVector<Value*, 8> Args; | |||
6778 | ||||
6779 | // Loop through FunctionType's arguments and ensure they are specified | |||
6780 | // correctly. Also, gather any parameter attributes. | |||
6781 | FunctionType::param_iterator I = Ty->param_begin(); | |||
6782 | FunctionType::param_iterator E = Ty->param_end(); | |||
6783 | for (unsigned i = 0, e = ArgList.size(); i != e; ++i) { | |||
6784 | Type *ExpectedTy = nullptr; | |||
6785 | if (I != E) { | |||
6786 | ExpectedTy = *I++; | |||
6787 | } else if (!Ty->isVarArg()) { | |||
6788 | return Error(ArgList[i].Loc, "too many arguments specified"); | |||
6789 | } | |||
6790 | ||||
6791 | if (ExpectedTy && ExpectedTy != ArgList[i].V->getType()) | |||
6792 | return Error(ArgList[i].Loc, "argument is not of expected type '" + | |||
6793 | getTypeString(ExpectedTy) + "'"); | |||
6794 | Args.push_back(ArgList[i].V); | |||
6795 | Attrs.push_back(ArgList[i].Attrs); | |||
6796 | } | |||
6797 | ||||
6798 | if (I != E) | |||
6799 | return Error(CallLoc, "not enough parameters specified for call"); | |||
6800 | ||||
6801 | if (FnAttrs.hasAlignmentAttr()) | |||
6802 | return Error(CallLoc, "call instructions may not have an alignment"); | |||
6803 | ||||
6804 | // Finish off the Attribute and check them | |||
6805 | AttributeList PAL = | |||
6806 | AttributeList::get(Context, AttributeSet::get(Context, FnAttrs), | |||
6807 | AttributeSet::get(Context, RetAttrs), Attrs); | |||
6808 | ||||
6809 | CallInst *CI = CallInst::Create(Ty, Callee, Args, BundleList); | |||
6810 | CI->setTailCallKind(TCK); | |||
6811 | CI->setCallingConv(CC); | |||
6812 | if (FMF.any()) | |||
6813 | CI->setFastMathFlags(FMF); | |||
6814 | CI->setAttributes(PAL); | |||
6815 | ForwardRefAttrGroups[CI] = FwdRefAttrGrps; | |||
6816 | Inst = CI; | |||
6817 | return false; | |||
6818 | } | |||
6819 | ||||
6820 | //===----------------------------------------------------------------------===// | |||
6821 | // Memory Instructions. | |||
6822 | //===----------------------------------------------------------------------===// | |||
6823 | ||||
6824 | /// ParseAlloc | |||
6825 | /// ::= 'alloca' 'inalloca'? 'swifterror'? Type (',' TypeAndValue)? | |||
6826 | /// (',' 'align' i32)? (',', 'addrspace(n))? | |||
6827 | int LLParser::ParseAlloc(Instruction *&Inst, PerFunctionState &PFS) { | |||
6828 | Value *Size = nullptr; | |||
6829 | LocTy SizeLoc, TyLoc, ASLoc; | |||
6830 | unsigned Alignment = 0; | |||
6831 | unsigned AddrSpace = 0; | |||
6832 | Type *Ty = nullptr; | |||
6833 | ||||
6834 | bool IsInAlloca = EatIfPresent(lltok::kw_inalloca); | |||
6835 | bool IsSwiftError = EatIfPresent(lltok::kw_swifterror); | |||
6836 | ||||
6837 | if (ParseType(Ty, TyLoc)) return true; | |||
6838 | ||||
6839 | if (Ty->isFunctionTy() || !PointerType::isValidElementType(Ty)) | |||
6840 | return Error(TyLoc, "invalid type for alloca"); | |||
6841 | ||||
6842 | bool AteExtraComma = false; | |||
6843 | if (EatIfPresent(lltok::comma)) { | |||
6844 | if (Lex.getKind() == lltok::kw_align) { | |||
6845 | if (ParseOptionalAlignment(Alignment)) | |||
6846 | return true; | |||
6847 | if (ParseOptionalCommaAddrSpace(AddrSpace, ASLoc, AteExtraComma)) | |||
6848 | return true; | |||
6849 | } else if (Lex.getKind() == lltok::kw_addrspace) { | |||
6850 | ASLoc = Lex.getLoc(); | |||
6851 | if (ParseOptionalAddrSpace(AddrSpace)) | |||
6852 | return true; | |||
6853 | } else if (Lex.getKind() == lltok::MetadataVar) { | |||
6854 | AteExtraComma = true; | |||
6855 | } else { | |||
6856 | if (ParseTypeAndValue(Size, SizeLoc, PFS)) | |||
6857 | return true; | |||
6858 | if (EatIfPresent(lltok::comma)) { | |||
6859 | if (Lex.getKind() == lltok::kw_align) { | |||
6860 | if (ParseOptionalAlignment(Alignment)) | |||
6861 | return true; | |||
6862 | if (ParseOptionalCommaAddrSpace(AddrSpace, ASLoc, AteExtraComma)) | |||
6863 | return true; | |||
6864 | } else if (Lex.getKind() == lltok::kw_addrspace) { | |||
6865 | ASLoc = Lex.getLoc(); | |||
6866 | if (ParseOptionalAddrSpace(AddrSpace)) | |||
6867 | return true; | |||
6868 | } else if (Lex.getKind() == lltok::MetadataVar) { | |||
6869 | AteExtraComma = true; | |||
6870 | } | |||
6871 | } | |||
6872 | } | |||
6873 | } | |||
6874 | ||||
6875 | if (Size && !Size->getType()->isIntegerTy()) | |||
6876 | return Error(SizeLoc, "element count must have integer type"); | |||
6877 | ||||
6878 | AllocaInst *AI = new AllocaInst(Ty, AddrSpace, Size, Alignment); | |||
6879 | AI->setUsedWithInAlloca(IsInAlloca); | |||
6880 | AI->setSwiftError(IsSwiftError); | |||
6881 | Inst = AI; | |||
6882 | return AteExtraComma ? InstExtraComma : InstNormal; | |||
6883 | } | |||
6884 | ||||
6885 | /// ParseLoad | |||
6886 | /// ::= 'load' 'volatile'? TypeAndValue (',' 'align' i32)? | |||
6887 | /// ::= 'load' 'atomic' 'volatile'? TypeAndValue | |||
6888 | /// 'singlethread'? AtomicOrdering (',' 'align' i32)? | |||
6889 | int LLParser::ParseLoad(Instruction *&Inst, PerFunctionState &PFS) { | |||
6890 | Value *Val; LocTy Loc; | |||
6891 | unsigned Alignment = 0; | |||
6892 | bool AteExtraComma = false; | |||
6893 | bool isAtomic = false; | |||
6894 | AtomicOrdering Ordering = AtomicOrdering::NotAtomic; | |||
6895 | SyncScope::ID SSID = SyncScope::System; | |||
6896 | ||||
6897 | if (Lex.getKind() == lltok::kw_atomic) { | |||
6898 | isAtomic = true; | |||
6899 | Lex.Lex(); | |||
6900 | } | |||
6901 | ||||
6902 | bool isVolatile = false; | |||
6903 | if (Lex.getKind() == lltok::kw_volatile) { | |||
6904 | isVolatile = true; | |||
6905 | Lex.Lex(); | |||
6906 | } | |||
6907 | ||||
6908 | Type *Ty; | |||
6909 | LocTy ExplicitTypeLoc = Lex.getLoc(); | |||
6910 | if (ParseType(Ty) || | |||
6911 | ParseToken(lltok::comma, "expected comma after load's type") || | |||
6912 | ParseTypeAndValue(Val, Loc, PFS) || | |||
6913 | ParseScopeAndOrdering(isAtomic, SSID, Ordering) || | |||
6914 | ParseOptionalCommaAlign(Alignment, AteExtraComma)) | |||
6915 | return true; | |||
6916 | ||||
6917 | if (!Val->getType()->isPointerTy() || !Ty->isFirstClassType()) | |||
6918 | return Error(Loc, "load operand must be a pointer to a first class type"); | |||
6919 | if (isAtomic && !Alignment) | |||
6920 | return Error(Loc, "atomic load must have explicit non-zero alignment"); | |||
6921 | if (Ordering == AtomicOrdering::Release || | |||
6922 | Ordering == AtomicOrdering::AcquireRelease) | |||
6923 | return Error(Loc, "atomic load cannot use Release ordering"); | |||
6924 | ||||
6925 | if (Ty != cast<PointerType>(Val->getType())->getElementType()) | |||
6926 | return Error(ExplicitTypeLoc, | |||
6927 | "explicit pointee type doesn't match operand's pointee type"); | |||
6928 | ||||
6929 | Inst = new LoadInst(Ty, Val, "", isVolatile, Alignment, Ordering, SSID); | |||
6930 | return AteExtraComma ? InstExtraComma : InstNormal; | |||
6931 | } | |||
6932 | ||||
6933 | /// ParseStore | |||
6934 | ||||
6935 | /// ::= 'store' 'volatile'? TypeAndValue ',' TypeAndValue (',' 'align' i32)? | |||
6936 | /// ::= 'store' 'atomic' 'volatile'? TypeAndValue ',' TypeAndValue | |||
6937 | /// 'singlethread'? AtomicOrdering (',' 'align' i32)? | |||
6938 | int LLParser::ParseStore(Instruction *&Inst, PerFunctionState &PFS) { | |||
6939 | Value *Val, *Ptr; LocTy Loc, PtrLoc; | |||
6940 | unsigned Alignment = 0; | |||
6941 | bool AteExtraComma = false; | |||
6942 | bool isAtomic = false; | |||
6943 | AtomicOrdering Ordering = AtomicOrdering::NotAtomic; | |||
6944 | SyncScope::ID SSID = SyncScope::System; | |||
6945 | ||||
6946 | if (Lex.getKind() == lltok::kw_atomic) { | |||
6947 | isAtomic = true; | |||
6948 | Lex.Lex(); | |||
6949 | } | |||
6950 | ||||
6951 | bool isVolatile = false; | |||
6952 | if (Lex.getKind() == lltok::kw_volatile) { | |||
6953 | isVolatile = true; | |||
6954 | Lex.Lex(); | |||
6955 | } | |||
6956 | ||||
6957 | if (ParseTypeAndValue(Val, Loc, PFS) || | |||
6958 | ParseToken(lltok::comma, "expected ',' after store operand") || | |||
6959 | ParseTypeAndValue(Ptr, PtrLoc, PFS) || | |||
6960 | ParseScopeAndOrdering(isAtomic, SSID, Ordering) || | |||
6961 | ParseOptionalCommaAlign(Alignment, AteExtraComma)) | |||
6962 | return true; | |||
6963 | ||||
6964 | if (!Ptr->getType()->isPointerTy()) | |||
6965 | return Error(PtrLoc, "store operand must be a pointer"); | |||
6966 | if (!Val->getType()->isFirstClassType()) | |||
6967 | return Error(Loc, "store operand must be a first class value"); | |||
6968 | if (cast<PointerType>(Ptr->getType())->getElementType() != Val->getType()) | |||
6969 | return Error(Loc, "stored value and pointer type do not match"); | |||
6970 | if (isAtomic && !Alignment) | |||
6971 | return Error(Loc, "atomic store must have explicit non-zero alignment"); | |||
6972 | if (Ordering == AtomicOrdering::Acquire || | |||
6973 | Ordering == AtomicOrdering::AcquireRelease) | |||
6974 | return Error(Loc, "atomic store cannot use Acquire ordering"); | |||
6975 | ||||
6976 | Inst = new StoreInst(Val, Ptr, isVolatile, Alignment, Ordering, SSID); | |||
6977 | return AteExtraComma ? InstExtraComma : InstNormal; | |||
6978 | } | |||
6979 | ||||
6980 | /// ParseCmpXchg | |||
6981 | /// ::= 'cmpxchg' 'weak'? 'volatile'? TypeAndValue ',' TypeAndValue ',' | |||
6982 | /// TypeAndValue 'singlethread'? AtomicOrdering AtomicOrdering | |||
6983 | int LLParser::ParseCmpXchg(Instruction *&Inst, PerFunctionState &PFS) { | |||
6984 | Value *Ptr, *Cmp, *New; LocTy PtrLoc, CmpLoc, NewLoc; | |||
6985 | bool AteExtraComma = false; | |||
6986 | AtomicOrdering SuccessOrdering = AtomicOrdering::NotAtomic; | |||
6987 | AtomicOrdering FailureOrdering = AtomicOrdering::NotAtomic; | |||
6988 | SyncScope::ID SSID = SyncScope::System; | |||
6989 | bool isVolatile = false; | |||
6990 | bool isWeak = false; | |||
6991 | ||||
6992 | if (EatIfPresent(lltok::kw_weak)) | |||
6993 | isWeak = true; | |||
6994 | ||||
6995 | if (EatIfPresent(lltok::kw_volatile)) | |||
6996 | isVolatile = true; | |||
6997 | ||||
6998 | if (ParseTypeAndValue(Ptr, PtrLoc, PFS) || | |||
6999 | ParseToken(lltok::comma, "expected ',' after cmpxchg address") || | |||
7000 | ParseTypeAndValue(Cmp, CmpLoc, PFS) || | |||
7001 | ParseToken(lltok::comma, "expected ',' after cmpxchg cmp operand") || | |||
7002 | ParseTypeAndValue(New, NewLoc, PFS) || | |||
7003 | ParseScopeAndOrdering(true /*Always atomic*/, SSID, SuccessOrdering) || | |||
7004 | ParseOrdering(FailureOrdering)) | |||
7005 | return true; | |||
7006 | ||||
7007 | if (SuccessOrdering == AtomicOrdering::Unordered || | |||
7008 | FailureOrdering == AtomicOrdering::Unordered) | |||
7009 | return TokError("cmpxchg cannot be unordered"); | |||
7010 | if (isStrongerThan(FailureOrdering, SuccessOrdering)) | |||
7011 | return TokError("cmpxchg failure argument shall be no stronger than the " | |||
7012 | "success argument"); | |||
7013 | if (FailureOrdering == AtomicOrdering::Release || | |||
7014 | FailureOrdering == AtomicOrdering::AcquireRelease) | |||
7015 | return TokError( | |||
7016 | "cmpxchg failure ordering cannot include release semantics"); | |||
7017 | if (!Ptr->getType()->isPointerTy()) | |||
7018 | return Error(PtrLoc, "cmpxchg operand must be a pointer"); | |||
7019 | if (cast<PointerType>(Ptr->getType())->getElementType() != Cmp->getType()) | |||
7020 | return Error(CmpLoc, "compare value and pointer type do not match"); | |||
7021 | if (cast<PointerType>(Ptr->getType())->getElementType() != New->getType()) | |||
7022 | return Error(NewLoc, "new value and pointer type do not match"); | |||
7023 | if (!New->getType()->isFirstClassType()) | |||
7024 | return Error(NewLoc, "cmpxchg operand must be a first class value"); | |||
7025 | AtomicCmpXchgInst *CXI = new AtomicCmpXchgInst( | |||
7026 | Ptr, Cmp, New, SuccessOrdering, FailureOrdering, SSID); | |||
7027 | CXI->setVolatile(isVolatile); | |||
7028 | CXI->setWeak(isWeak); | |||
7029 | Inst = CXI; | |||
7030 | return AteExtraComma ? InstExtraComma : InstNormal; | |||
7031 | } | |||
7032 | ||||
7033 | /// ParseAtomicRMW | |||
7034 | /// ::= 'atomicrmw' 'volatile'? BinOp TypeAndValue ',' TypeAndValue | |||
7035 | /// 'singlethread'? AtomicOrdering | |||
7036 | int LLParser::ParseAtomicRMW(Instruction *&Inst, PerFunctionState &PFS) { | |||
7037 | Value *Ptr, *Val; LocTy PtrLoc, ValLoc; | |||
7038 | bool AteExtraComma = false; | |||
7039 | AtomicOrdering Ordering = AtomicOrdering::NotAtomic; | |||
7040 | SyncScope::ID SSID = SyncScope::System; | |||
7041 | bool isVolatile = false; | |||
7042 | bool IsFP = false; | |||
7043 | AtomicRMWInst::BinOp Operation; | |||
7044 | ||||
7045 | if (EatIfPresent(lltok::kw_volatile)) | |||
7046 | isVolatile = true; | |||
7047 | ||||
7048 | switch (Lex.getKind()) { | |||
7049 | default: return TokError("expected binary operation in atomicrmw"); | |||
7050 | case lltok::kw_xchg: Operation = AtomicRMWInst::Xchg; break; | |||
7051 | case lltok::kw_add: Operation = AtomicRMWInst::Add; break; | |||
7052 | case lltok::kw_sub: Operation = AtomicRMWInst::Sub; break; | |||
7053 | case lltok::kw_and: Operation = AtomicRMWInst::And; break; | |||
7054 | case lltok::kw_nand: Operation = AtomicRMWInst::Nand; break; | |||
7055 | case lltok::kw_or: Operation = AtomicRMWInst::Or; break; | |||
7056 | case lltok::kw_xor: Operation = AtomicRMWInst::Xor; break; | |||
7057 | case lltok::kw_max: Operation = AtomicRMWInst::Max; break; | |||
7058 | case lltok::kw_min: Operation = AtomicRMWInst::Min; break; | |||
7059 | case lltok::kw_umax: Operation = AtomicRMWInst::UMax; break; | |||
7060 | case lltok::kw_umin: Operation = AtomicRMWInst::UMin; break; | |||
7061 | case lltok::kw_fadd: | |||
7062 | Operation = AtomicRMWInst::FAdd; | |||
7063 | IsFP = true; | |||
7064 | break; | |||
7065 | case lltok::kw_fsub: | |||
7066 | Operation = AtomicRMWInst::FSub; | |||
7067 | IsFP = true; | |||
7068 | break; | |||
7069 | } | |||
7070 | Lex.Lex(); // Eat the operation. | |||
7071 | ||||
7072 | if (ParseTypeAndValue(Ptr, PtrLoc, PFS) || | |||
7073 | ParseToken(lltok::comma, "expected ',' after atomicrmw address") || | |||
7074 | ParseTypeAndValue(Val, ValLoc, PFS) || | |||
7075 | ParseScopeAndOrdering(true /*Always atomic*/, SSID, Ordering)) | |||
7076 | return true; | |||
7077 | ||||
7078 | if (Ordering == AtomicOrdering::Unordered) | |||
7079 | return TokError("atomicrmw cannot be unordered"); | |||
7080 | if (!Ptr->getType()->isPointerTy()) | |||
7081 | return Error(PtrLoc, "atomicrmw operand must be a pointer"); | |||
7082 | if (cast<PointerType>(Ptr->getType())->getElementType() != Val->getType()) | |||
7083 | return Error(ValLoc, "atomicrmw value and pointer type do not match"); | |||
7084 | ||||
7085 | if (Operation == AtomicRMWInst::Xchg) { | |||
7086 | if (!Val->getType()->isIntegerTy() && | |||
7087 | !Val->getType()->isFloatingPointTy()) { | |||
7088 | return Error(ValLoc, "atomicrmw " + | |||
7089 | AtomicRMWInst::getOperationName(Operation) + | |||
7090 | " operand must be an integer or floating point type"); | |||
7091 | } | |||
7092 | } else if (IsFP) { | |||
7093 | if (!Val->getType()->isFloatingPointTy()) { | |||
7094 | return Error(ValLoc, "atomicrmw " + | |||
7095 | AtomicRMWInst::getOperationName(Operation) + | |||
7096 | " operand must be a floating point type"); | |||
7097 | } | |||
7098 | } else { | |||
7099 | if (!Val->getType()->isIntegerTy()) { | |||
7100 | return Error(ValLoc, "atomicrmw " + | |||
7101 | AtomicRMWInst::getOperationName(Operation) + | |||
7102 | " operand must be an integer"); | |||
7103 | } | |||
7104 | } | |||
7105 | ||||
7106 | unsigned Size = Val->getType()->getPrimitiveSizeInBits(); | |||
7107 | if (Size < 8 || (Size & (Size - 1))) | |||
7108 | return Error(ValLoc, "atomicrmw operand must be power-of-two byte-sized" | |||
7109 | " integer"); | |||
7110 | ||||
7111 | AtomicRMWInst *RMWI = | |||
7112 | new AtomicRMWInst(Operation, Ptr, Val, Ordering, SSID); | |||
7113 | RMWI->setVolatile(isVolatile); | |||
7114 | Inst = RMWI; | |||
7115 | return AteExtraComma ? InstExtraComma : InstNormal; | |||
7116 | } | |||
7117 | ||||
7118 | /// ParseFence | |||
7119 | /// ::= 'fence' 'singlethread'? AtomicOrdering | |||
7120 | int LLParser::ParseFence(Instruction *&Inst, PerFunctionState &PFS) { | |||
7121 | AtomicOrdering Ordering = AtomicOrdering::NotAtomic; | |||
7122 | SyncScope::ID SSID = SyncScope::System; | |||
7123 | if (ParseScopeAndOrdering(true /*Always atomic*/, SSID, Ordering)) | |||
7124 | return true; | |||
7125 | ||||
7126 | if (Ordering == AtomicOrdering::Unordered) | |||
7127 | return TokError("fence cannot be unordered"); | |||
7128 | if (Ordering == AtomicOrdering::Monotonic) | |||
7129 | return TokError("fence cannot be monotonic"); | |||
7130 | ||||
7131 | Inst = new FenceInst(Context, Ordering, SSID); | |||
7132 | return InstNormal; | |||
7133 | } | |||
7134 | ||||
7135 | /// ParseGetElementPtr | |||
7136 | /// ::= 'getelementptr' 'inbounds'? TypeAndValue (',' TypeAndValue)* | |||
7137 | int LLParser::ParseGetElementPtr(Instruction *&Inst, PerFunctionState &PFS) { | |||
7138 | Value *Ptr = nullptr; | |||
7139 | Value *Val = nullptr; | |||
7140 | LocTy Loc, EltLoc; | |||
7141 | ||||
7142 | bool InBounds = EatIfPresent(lltok::kw_inbounds); | |||
7143 | ||||
7144 | Type *Ty = nullptr; | |||
7145 | LocTy ExplicitTypeLoc = Lex.getLoc(); | |||
7146 | if (ParseType(Ty) || | |||
7147 | ParseToken(lltok::comma, "expected comma after getelementptr's type") || | |||
7148 | ParseTypeAndValue(Ptr, Loc, PFS)) | |||
7149 | return true; | |||
7150 | ||||
7151 | Type *BaseType = Ptr->getType(); | |||
7152 | PointerType *BasePointerType = dyn_cast<PointerType>(BaseType->getScalarType()); | |||
7153 | if (!BasePointerType) | |||
7154 | return Error(Loc, "base of getelementptr must be a pointer"); | |||
7155 | ||||
7156 | if (Ty != BasePointerType->getElementType()) | |||
7157 | return Error(ExplicitTypeLoc, | |||
7158 | "explicit pointee type doesn't match operand's pointee type"); | |||
7159 | ||||
7160 | SmallVector<Value*, 16> Indices; | |||
7161 | bool AteExtraComma = false; | |||
7162 | // GEP returns a vector of pointers if at least one of parameters is a vector. | |||
7163 | // All vector parameters should have the same vector width. | |||
7164 | unsigned GEPWidth = BaseType->isVectorTy() ? | |||
7165 | BaseType->getVectorNumElements() : 0; | |||
7166 | ||||
7167 | while (EatIfPresent(lltok::comma)) { | |||
7168 | if (Lex.getKind() == lltok::MetadataVar) { | |||
7169 | AteExtraComma = true; | |||
7170 | break; | |||
7171 | } | |||
7172 | if (ParseTypeAndValue(Val, EltLoc, PFS)) return true; | |||
7173 | if (!Val->getType()->isIntOrIntVectorTy()) | |||
7174 | return Error(EltLoc, "getelementptr index must be an integer"); | |||
7175 | ||||
7176 | if (Val->getType()->isVectorTy()) { | |||
7177 | unsigned ValNumEl = Val->getType()->getVectorNumElements(); | |||
7178 | if (GEPWidth && GEPWidth != ValNumEl) | |||
7179 | return Error(EltLoc, | |||
7180 | "getelementptr vector index has a wrong number of elements"); | |||
7181 | GEPWidth = ValNumEl; | |||
7182 | } | |||
7183 | Indices.push_back(Val); | |||
7184 | } | |||
7185 | ||||
7186 | SmallPtrSet<Type*, 4> Visited; | |||
7187 | if (!Indices.empty() && !Ty->isSized(&Visited)) | |||
7188 | return Error(Loc, "base element of getelementptr must be sized"); | |||
7189 | ||||
7190 | if (!GetElementPtrInst::getIndexedType(Ty, Indices)) | |||
7191 | return Error(Loc, "invalid getelementptr indices"); | |||
7192 | Inst = GetElementPtrInst::Create(Ty, Ptr, Indices); | |||
7193 | if (InBounds) | |||
7194 | cast<GetElementPtrInst>(Inst)->setIsInBounds(true); | |||
7195 | return AteExtraComma ? InstExtraComma : InstNormal; | |||
7196 | } | |||
7197 | ||||
7198 | /// ParseExtractValue | |||
7199 | /// ::= 'extractvalue' TypeAndValue (',' uint32)+ | |||
7200 | int LLParser::ParseExtractValue(Instruction *&Inst, PerFunctionState &PFS) { | |||
7201 | Value *Val; LocTy Loc; | |||
7202 | SmallVector<unsigned, 4> Indices; | |||
7203 | bool AteExtraComma; | |||
7204 | if (ParseTypeAndValue(Val, Loc, PFS) || | |||
7205 | ParseIndexList(Indices, AteExtraComma)) | |||
7206 | return true; | |||
7207 | ||||
7208 | if (!Val->getType()->isAggregateType()) | |||
7209 | return Error(Loc, "extractvalue operand must be aggregate type"); | |||
7210 | ||||
7211 | if (!ExtractValueInst::getIndexedType(Val->getType(), Indices)) | |||
7212 | return Error(Loc, "invalid indices for extractvalue"); | |||
7213 | Inst = ExtractValueInst::Create(Val, Indices); | |||
7214 | return AteExtraComma ? InstExtraComma : InstNormal; | |||
7215 | } | |||
7216 | ||||
7217 | /// ParseInsertValue | |||
7218 | /// ::= 'insertvalue' TypeAndValue ',' TypeAndValue (',' uint32)+ | |||
7219 | int LLParser::ParseInsertValue(Instruction *&Inst, PerFunctionState &PFS) { | |||
7220 | Value *Val0, *Val1; LocTy Loc0, Loc1; | |||
7221 | SmallVector<unsigned, 4> Indices; | |||
7222 | bool AteExtraComma; | |||
7223 | if (ParseTypeAndValue(Val0, Loc0, PFS) || | |||
7224 | ParseToken(lltok::comma, "expected comma after insertvalue operand") || | |||
7225 | ParseTypeAndValue(Val1, Loc1, PFS) || | |||
7226 | ParseIndexList(Indices, AteExtraComma)) | |||
7227 | return true; | |||
7228 | ||||
7229 | if (!Val0->getType()->isAggregateType()) | |||
7230 | return Error(Loc0, "insertvalue operand must be aggregate type"); | |||
7231 | ||||
7232 | Type *IndexedType = ExtractValueInst::getIndexedType(Val0->getType(), Indices); | |||
7233 | if (!IndexedType) | |||
7234 | return Error(Loc0, "invalid indices for insertvalue"); | |||
7235 | if (IndexedType != Val1->getType()) | |||
7236 | return Error(Loc1, "insertvalue operand and field disagree in type: '" + | |||
7237 | getTypeString(Val1->getType()) + "' instead of '" + | |||
7238 | getTypeString(IndexedType) + "'"); | |||
7239 | Inst = InsertValueInst::Create(Val0, Val1, Indices); | |||
7240 | return AteExtraComma ? InstExtraComma : InstNormal; | |||
7241 | } | |||
7242 | ||||
7243 | //===----------------------------------------------------------------------===// | |||
7244 | // Embedded metadata. | |||
7245 | //===----------------------------------------------------------------------===// | |||
7246 | ||||
7247 | /// ParseMDNodeVector | |||
7248 | /// ::= { Element (',' Element)* } | |||
7249 | /// Element | |||
7250 | /// ::= 'null' | TypeAndValue | |||
7251 | bool LLParser::ParseMDNodeVector(SmallVectorImpl<Metadata *> &Elts) { | |||
7252 | if (ParseToken(lltok::lbrace, "expected '{' here")) | |||
7253 | return true; | |||
7254 | ||||
7255 | // Check for an empty list. | |||
7256 | if (EatIfPresent(lltok::rbrace)) | |||
7257 | return false; | |||
7258 | ||||
7259 | do { | |||
7260 | // Null is a special case since it is typeless. | |||
7261 | if (EatIfPresent(lltok::kw_null)) { | |||
7262 | Elts.push_back(nullptr); | |||
7263 | continue; | |||
7264 | } | |||
7265 | ||||
7266 | Metadata *MD; | |||
7267 | if (ParseMetadata(MD, nullptr)) | |||
7268 | return true; | |||
7269 | Elts.push_back(MD); | |||
7270 | } while (EatIfPresent(lltok::comma)); | |||
7271 | ||||
7272 | return ParseToken(lltok::rbrace, "expected end of metadata node"); | |||
7273 | } | |||
7274 | ||||
7275 | //===----------------------------------------------------------------------===// | |||
7276 | // Use-list order directives. | |||
7277 | //===----------------------------------------------------------------------===// | |||
7278 | bool LLParser::sortUseListOrder(Value *V, ArrayRef<unsigned> Indexes, | |||
7279 | SMLoc Loc) { | |||
7280 | if (V->use_empty()) | |||
7281 | return Error(Loc, "value has no uses"); | |||
7282 | ||||
7283 | unsigned NumUses = 0; | |||
7284 | SmallDenseMap<const Use *, unsigned, 16> Order; | |||
7285 | for (const Use &U : V->uses()) { | |||
7286 | if (++NumUses > Indexes.size()) | |||
7287 | break; | |||
7288 | Order[&U] = Indexes[NumUses - 1]; | |||
7289 | } | |||
7290 | if (NumUses < 2) | |||
7291 | return Error(Loc, "value only has one use"); | |||
7292 | if (Order.size() != Indexes.size() || NumUses > Indexes.size()) | |||
7293 | return Error(Loc, | |||
7294 | "wrong number of indexes, expected " + Twine(V->getNumUses())); | |||
7295 | ||||
7296 | V->sortUseList([&](const Use &L, const Use &R) { | |||
7297 | return Order.lookup(&L) < Order.lookup(&R); | |||
7298 | }); | |||
7299 | return false; | |||
7300 | } | |||
7301 | ||||
7302 | /// ParseUseListOrderIndexes | |||
7303 | /// ::= '{' uint32 (',' uint32)+ '}' | |||
7304 | bool LLParser::ParseUseListOrderIndexes(SmallVectorImpl<unsigned> &Indexes) { | |||
7305 | SMLoc Loc = Lex.getLoc(); | |||
7306 | if (ParseToken(lltok::lbrace, "expected '{' here")) | |||
7307 | return true; | |||
7308 | if (Lex.getKind() == lltok::rbrace) | |||
7309 | return Lex.Error("expected non-empty list of uselistorder indexes"); | |||
7310 | ||||
7311 | // Use Offset, Max, and IsOrdered to check consistency of indexes. The | |||
7312 | // indexes should be distinct numbers in the range [0, size-1], and should | |||
7313 | // not be in order. | |||
7314 | unsigned Offset = 0; | |||
7315 | unsigned Max = 0; | |||
7316 | bool IsOrdered = true; | |||
7317 | assert(Indexes.empty() && "Expected empty order vector")((Indexes.empty() && "Expected empty order vector") ? static_cast<void> (0) : __assert_fail ("Indexes.empty() && \"Expected empty order vector\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 7317, __PRETTY_FUNCTION__)); | |||
7318 | do { | |||
7319 | unsigned Index; | |||
7320 | if (ParseUInt32(Index)) | |||
7321 | return true; | |||
7322 | ||||
7323 | // Update consistency checks. | |||
7324 | Offset += Index - Indexes.size(); | |||
7325 | Max = std::max(Max, Index); | |||
7326 | IsOrdered &= Index == Indexes.size(); | |||
7327 | ||||
7328 | Indexes.push_back(Index); | |||
7329 | } while (EatIfPresent(lltok::comma)); | |||
7330 | ||||
7331 | if (ParseToken(lltok::rbrace, "expected '}' here")) | |||
7332 | return true; | |||
7333 | ||||
7334 | if (Indexes.size() < 2) | |||
7335 | return Error(Loc, "expected >= 2 uselistorder indexes"); | |||
7336 | if (Offset != 0 || Max >= Indexes.size()) | |||
7337 | return Error(Loc, "expected distinct uselistorder indexes in range [0, size)"); | |||
7338 | if (IsOrdered) | |||
7339 | return Error(Loc, "expected uselistorder indexes to change the order"); | |||
7340 | ||||
7341 | return false; | |||
7342 | } | |||
7343 | ||||
7344 | /// ParseUseListOrder | |||
7345 | /// ::= 'uselistorder' Type Value ',' UseListOrderIndexes | |||
7346 | bool LLParser::ParseUseListOrder(PerFunctionState *PFS) { | |||
7347 | SMLoc Loc = Lex.getLoc(); | |||
7348 | if (ParseToken(lltok::kw_uselistorder, "expected uselistorder directive")) | |||
7349 | return true; | |||
7350 | ||||
7351 | Value *V; | |||
7352 | SmallVector<unsigned, 16> Indexes; | |||
7353 | if (ParseTypeAndValue(V, PFS) || | |||
7354 | ParseToken(lltok::comma, "expected comma in uselistorder directive") || | |||
7355 | ParseUseListOrderIndexes(Indexes)) | |||
7356 | return true; | |||
7357 | ||||
7358 | return sortUseListOrder(V, Indexes, Loc); | |||
7359 | } | |||
7360 | ||||
7361 | /// ParseUseListOrderBB | |||
7362 | /// ::= 'uselistorder_bb' @foo ',' %bar ',' UseListOrderIndexes | |||
7363 | bool LLParser::ParseUseListOrderBB() { | |||
7364 | assert(Lex.getKind() == lltok::kw_uselistorder_bb)((Lex.getKind() == lltok::kw_uselistorder_bb) ? static_cast< void> (0) : __assert_fail ("Lex.getKind() == lltok::kw_uselistorder_bb" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 7364, __PRETTY_FUNCTION__)); | |||
7365 | SMLoc Loc = Lex.getLoc(); | |||
7366 | Lex.Lex(); | |||
7367 | ||||
7368 | ValID Fn, Label; | |||
7369 | SmallVector<unsigned, 16> Indexes; | |||
7370 | if (ParseValID(Fn) || | |||
7371 | ParseToken(lltok::comma, "expected comma in uselistorder_bb directive") || | |||
7372 | ParseValID(Label) || | |||
7373 | ParseToken(lltok::comma, "expected comma in uselistorder_bb directive") || | |||
7374 | ParseUseListOrderIndexes(Indexes)) | |||
7375 | return true; | |||
7376 | ||||
7377 | // Check the function. | |||
7378 | GlobalValue *GV; | |||
7379 | if (Fn.Kind == ValID::t_GlobalName) | |||
7380 | GV = M->getNamedValue(Fn.StrVal); | |||
7381 | else if (Fn.Kind == ValID::t_GlobalID) | |||
7382 | GV = Fn.UIntVal < NumberedVals.size() ? NumberedVals[Fn.UIntVal] : nullptr; | |||
7383 | else | |||
7384 | return Error(Fn.Loc, "expected function name in uselistorder_bb"); | |||
7385 | if (!GV) | |||
7386 | return Error(Fn.Loc, "invalid function forward reference in uselistorder_bb"); | |||
7387 | auto *F = dyn_cast<Function>(GV); | |||
7388 | if (!F) | |||
7389 | return Error(Fn.Loc, "expected function name in uselistorder_bb"); | |||
7390 | if (F->isDeclaration()) | |||
7391 | return Error(Fn.Loc, "invalid declaration in uselistorder_bb"); | |||
7392 | ||||
7393 | // Check the basic block. | |||
7394 | if (Label.Kind == ValID::t_LocalID) | |||
7395 | return Error(Label.Loc, "invalid numeric label in uselistorder_bb"); | |||
7396 | if (Label.Kind != ValID::t_LocalName) | |||
7397 | return Error(Label.Loc, "expected basic block name in uselistorder_bb"); | |||
7398 | Value *V = F->getValueSymbolTable()->lookup(Label.StrVal); | |||
7399 | if (!V) | |||
7400 | return Error(Label.Loc, "invalid basic block in uselistorder_bb"); | |||
7401 | if (!isa<BasicBlock>(V)) | |||
7402 | return Error(Label.Loc, "expected basic block in uselistorder_bb"); | |||
7403 | ||||
7404 | return sortUseListOrder(V, Indexes, Loc); | |||
7405 | } | |||
7406 | ||||
7407 | /// ModuleEntry | |||
7408 | /// ::= 'module' ':' '(' 'path' ':' STRINGCONSTANT ',' 'hash' ':' Hash ')' | |||
7409 | /// Hash ::= '(' UInt32 ',' UInt32 ',' UInt32 ',' UInt32 ',' UInt32 ')' | |||
7410 | bool LLParser::ParseModuleEntry(unsigned ID) { | |||
7411 | assert(Lex.getKind() == lltok::kw_module)((Lex.getKind() == lltok::kw_module) ? static_cast<void> (0) : __assert_fail ("Lex.getKind() == lltok::kw_module", "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 7411, __PRETTY_FUNCTION__)); | |||
7412 | Lex.Lex(); | |||
7413 | ||||
7414 | std::string Path; | |||
7415 | if (ParseToken(lltok::colon, "expected ':' here") || | |||
7416 | ParseToken(lltok::lparen, "expected '(' here") || | |||
7417 | ParseToken(lltok::kw_path, "expected 'path' here") || | |||
7418 | ParseToken(lltok::colon, "expected ':' here") || | |||
7419 | ParseStringConstant(Path) || | |||
7420 | ParseToken(lltok::comma, "expected ',' here") || | |||
7421 | ParseToken(lltok::kw_hash, "expected 'hash' here") || | |||
7422 | ParseToken(lltok::colon, "expected ':' here") || | |||
7423 | ParseToken(lltok::lparen, "expected '(' here")) | |||
7424 | return true; | |||
7425 | ||||
7426 | ModuleHash Hash; | |||
7427 | if (ParseUInt32(Hash[0]) || ParseToken(lltok::comma, "expected ',' here") || | |||
7428 | ParseUInt32(Hash[1]) || ParseToken(lltok::comma, "expected ',' here") || | |||
7429 | ParseUInt32(Hash[2]) || ParseToken(lltok::comma, "expected ',' here") || | |||
7430 | ParseUInt32(Hash[3]) || ParseToken(lltok::comma, "expected ',' here") || | |||
7431 | ParseUInt32(Hash[4])) | |||
7432 | return true; | |||
7433 | ||||
7434 | if (ParseToken(lltok::rparen, "expected ')' here") || | |||
7435 | ParseToken(lltok::rparen, "expected ')' here")) | |||
7436 | return true; | |||
7437 | ||||
7438 | auto ModuleEntry = Index->addModule(Path, ID, Hash); | |||
7439 | ModuleIdMap[ID] = ModuleEntry->first(); | |||
7440 | ||||
7441 | return false; | |||
7442 | } | |||
7443 | ||||
7444 | /// TypeIdEntry | |||
7445 | /// ::= 'typeid' ':' '(' 'name' ':' STRINGCONSTANT ',' TypeIdSummary ')' | |||
7446 | bool LLParser::ParseTypeIdEntry(unsigned ID) { | |||
7447 | assert(Lex.getKind() == lltok::kw_typeid)((Lex.getKind() == lltok::kw_typeid) ? static_cast<void> (0) : __assert_fail ("Lex.getKind() == lltok::kw_typeid", "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 7447, __PRETTY_FUNCTION__)); | |||
7448 | Lex.Lex(); | |||
7449 | ||||
7450 | std::string Name; | |||
7451 | if (ParseToken(lltok::colon, "expected ':' here") || | |||
7452 | ParseToken(lltok::lparen, "expected '(' here") || | |||
7453 | ParseToken(lltok::kw_name, "expected 'name' here") || | |||
7454 | ParseToken(lltok::colon, "expected ':' here") || | |||
7455 | ParseStringConstant(Name)) | |||
7456 | return true; | |||
7457 | ||||
7458 | TypeIdSummary &TIS = Index->getOrInsertTypeIdSummary(Name); | |||
7459 | if (ParseToken(lltok::comma, "expected ',' here") || | |||
7460 | ParseTypeIdSummary(TIS) || ParseToken(lltok::rparen, "expected ')' here")) | |||
7461 | return true; | |||
7462 | ||||
7463 | // Check if this ID was forward referenced, and if so, update the | |||
7464 | // corresponding GUIDs. | |||
7465 | auto FwdRefTIDs = ForwardRefTypeIds.find(ID); | |||
7466 | if (FwdRefTIDs != ForwardRefTypeIds.end()) { | |||
7467 | for (auto TIDRef : FwdRefTIDs->second) { | |||
7468 | assert(!*TIDRef.first &&((!*TIDRef.first && "Forward referenced type id GUID expected to be 0" ) ? static_cast<void> (0) : __assert_fail ("!*TIDRef.first && \"Forward referenced type id GUID expected to be 0\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 7469, __PRETTY_FUNCTION__)) | |||
7469 | "Forward referenced type id GUID expected to be 0")((!*TIDRef.first && "Forward referenced type id GUID expected to be 0" ) ? static_cast<void> (0) : __assert_fail ("!*TIDRef.first && \"Forward referenced type id GUID expected to be 0\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 7469, __PRETTY_FUNCTION__)); | |||
7470 | *TIDRef.first = GlobalValue::getGUID(Name); | |||
7471 | } | |||
7472 | ForwardRefTypeIds.erase(FwdRefTIDs); | |||
7473 | } | |||
7474 | ||||
7475 | return false; | |||
7476 | } | |||
7477 | ||||
7478 | /// TypeIdSummary | |||
7479 | /// ::= 'summary' ':' '(' TypeTestResolution [',' OptionalWpdResolutions]? ')' | |||
7480 | bool LLParser::ParseTypeIdSummary(TypeIdSummary &TIS) { | |||
7481 | if (ParseToken(lltok::kw_summary, "expected 'summary' here") || | |||
7482 | ParseToken(lltok::colon, "expected ':' here") || | |||
7483 | ParseToken(lltok::lparen, "expected '(' here") || | |||
7484 | ParseTypeTestResolution(TIS.TTRes)) | |||
7485 | return true; | |||
7486 | ||||
7487 | if (EatIfPresent(lltok::comma)) { | |||
7488 | // Expect optional wpdResolutions field | |||
7489 | if (ParseOptionalWpdResolutions(TIS.WPDRes)) | |||
7490 | return true; | |||
7491 | } | |||
7492 | ||||
7493 | if (ParseToken(lltok::rparen, "expected ')' here")) | |||
7494 | return true; | |||
7495 | ||||
7496 | return false; | |||
7497 | } | |||
7498 | ||||
7499 | /// TypeTestResolution | |||
7500 | /// ::= 'typeTestRes' ':' '(' 'kind' ':' | |||
7501 | /// ( 'unsat' | 'byteArray' | 'inline' | 'single' | 'allOnes' ) ',' | |||
7502 | /// 'sizeM1BitWidth' ':' SizeM1BitWidth [',' 'alignLog2' ':' UInt64]? | |||
7503 | /// [',' 'sizeM1' ':' UInt64]? [',' 'bitMask' ':' UInt8]? | |||
7504 | /// [',' 'inlinesBits' ':' UInt64]? ')' | |||
7505 | bool LLParser::ParseTypeTestResolution(TypeTestResolution &TTRes) { | |||
7506 | if (ParseToken(lltok::kw_typeTestRes, "expected 'typeTestRes' here") || | |||
7507 | ParseToken(lltok::colon, "expected ':' here") || | |||
7508 | ParseToken(lltok::lparen, "expected '(' here") || | |||
7509 | ParseToken(lltok::kw_kind, "expected 'kind' here") || | |||
7510 | ParseToken(lltok::colon, "expected ':' here")) | |||
7511 | return true; | |||
7512 | ||||
7513 | switch (Lex.getKind()) { | |||
7514 | case lltok::kw_unsat: | |||
7515 | TTRes.TheKind = TypeTestResolution::Unsat; | |||
7516 | break; | |||
7517 | case lltok::kw_byteArray: | |||
7518 | TTRes.TheKind = TypeTestResolution::ByteArray; | |||
7519 | break; | |||
7520 | case lltok::kw_inline: | |||
7521 | TTRes.TheKind = TypeTestResolution::Inline; | |||
7522 | break; | |||
7523 | case lltok::kw_single: | |||
7524 | TTRes.TheKind = TypeTestResolution::Single; | |||
7525 | break; | |||
7526 | case lltok::kw_allOnes: | |||
7527 | TTRes.TheKind = TypeTestResolution::AllOnes; | |||
7528 | break; | |||
7529 | default: | |||
7530 | return Error(Lex.getLoc(), "unexpected TypeTestResolution kind"); | |||
7531 | } | |||
7532 | Lex.Lex(); | |||
7533 | ||||
7534 | if (ParseToken(lltok::comma, "expected ',' here") || | |||
7535 | ParseToken(lltok::kw_sizeM1BitWidth, "expected 'sizeM1BitWidth' here") || | |||
7536 | ParseToken(lltok::colon, "expected ':' here") || | |||
7537 | ParseUInt32(TTRes.SizeM1BitWidth)) | |||
7538 | return true; | |||
7539 | ||||
7540 | // Parse optional fields | |||
7541 | while (EatIfPresent(lltok::comma)) { | |||
7542 | switch (Lex.getKind()) { | |||
7543 | case lltok::kw_alignLog2: | |||
7544 | Lex.Lex(); | |||
7545 | if (ParseToken(lltok::colon, "expected ':'") || | |||
7546 | ParseUInt64(TTRes.AlignLog2)) | |||
7547 | return true; | |||
7548 | break; | |||
7549 | case lltok::kw_sizeM1: | |||
7550 | Lex.Lex(); | |||
7551 | if (ParseToken(lltok::colon, "expected ':'") || ParseUInt64(TTRes.SizeM1)) | |||
7552 | return true; | |||
7553 | break; | |||
7554 | case lltok::kw_bitMask: { | |||
7555 | unsigned Val; | |||
7556 | Lex.Lex(); | |||
7557 | if (ParseToken(lltok::colon, "expected ':'") || ParseUInt32(Val)) | |||
7558 | return true; | |||
7559 | assert(Val <= 0xff)((Val <= 0xff) ? static_cast<void> (0) : __assert_fail ("Val <= 0xff", "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 7559, __PRETTY_FUNCTION__)); | |||
7560 | TTRes.BitMask = (uint8_t)Val; | |||
7561 | break; | |||
7562 | } | |||
7563 | case lltok::kw_inlineBits: | |||
7564 | Lex.Lex(); | |||
7565 | if (ParseToken(lltok::colon, "expected ':'") || | |||
7566 | ParseUInt64(TTRes.InlineBits)) | |||
7567 | return true; | |||
7568 | break; | |||
7569 | default: | |||
7570 | return Error(Lex.getLoc(), "expected optional TypeTestResolution field"); | |||
7571 | } | |||
7572 | } | |||
7573 | ||||
7574 | if (ParseToken(lltok::rparen, "expected ')' here")) | |||
7575 | return true; | |||
7576 | ||||
7577 | return false; | |||
7578 | } | |||
7579 | ||||
7580 | /// OptionalWpdResolutions | |||
7581 | /// ::= 'wpsResolutions' ':' '(' WpdResolution [',' WpdResolution]* ')' | |||
7582 | /// WpdResolution ::= '(' 'offset' ':' UInt64 ',' WpdRes ')' | |||
7583 | bool LLParser::ParseOptionalWpdResolutions( | |||
7584 | std::map<uint64_t, WholeProgramDevirtResolution> &WPDResMap) { | |||
7585 | if (ParseToken(lltok::kw_wpdResolutions, "expected 'wpdResolutions' here") || | |||
7586 | ParseToken(lltok::colon, "expected ':' here") || | |||
7587 | ParseToken(lltok::lparen, "expected '(' here")) | |||
7588 | return true; | |||
7589 | ||||
7590 | do { | |||
7591 | uint64_t Offset; | |||
7592 | WholeProgramDevirtResolution WPDRes; | |||
7593 | if (ParseToken(lltok::lparen, "expected '(' here") || | |||
7594 | ParseToken(lltok::kw_offset, "expected 'offset' here") || | |||
7595 | ParseToken(lltok::colon, "expected ':' here") || ParseUInt64(Offset) || | |||
7596 | ParseToken(lltok::comma, "expected ',' here") || ParseWpdRes(WPDRes) || | |||
7597 | ParseToken(lltok::rparen, "expected ')' here")) | |||
7598 | return true; | |||
7599 | WPDResMap[Offset] = WPDRes; | |||
7600 | } while (EatIfPresent(lltok::comma)); | |||
7601 | ||||
7602 | if (ParseToken(lltok::rparen, "expected ')' here")) | |||
7603 | return true; | |||
7604 | ||||
7605 | return false; | |||
7606 | } | |||
7607 | ||||
7608 | /// WpdRes | |||
7609 | /// ::= 'wpdRes' ':' '(' 'kind' ':' 'indir' | |||
7610 | /// [',' OptionalResByArg]? ')' | |||
7611 | /// ::= 'wpdRes' ':' '(' 'kind' ':' 'singleImpl' | |||
7612 | /// ',' 'singleImplName' ':' STRINGCONSTANT ',' | |||
7613 | /// [',' OptionalResByArg]? ')' | |||
7614 | /// ::= 'wpdRes' ':' '(' 'kind' ':' 'branchFunnel' | |||
7615 | /// [',' OptionalResByArg]? ')' | |||
7616 | bool LLParser::ParseWpdRes(WholeProgramDevirtResolution &WPDRes) { | |||
7617 | if (ParseToken(lltok::kw_wpdRes, "expected 'wpdRes' here") || | |||
7618 | ParseToken(lltok::colon, "expected ':' here") || | |||
7619 | ParseToken(lltok::lparen, "expected '(' here") || | |||
7620 | ParseToken(lltok::kw_kind, "expected 'kind' here") || | |||
7621 | ParseToken(lltok::colon, "expected ':' here")) | |||
7622 | return true; | |||
7623 | ||||
7624 | switch (Lex.getKind()) { | |||
7625 | case lltok::kw_indir: | |||
7626 | WPDRes.TheKind = WholeProgramDevirtResolution::Indir; | |||
7627 | break; | |||
7628 | case lltok::kw_singleImpl: | |||
7629 | WPDRes.TheKind = WholeProgramDevirtResolution::SingleImpl; | |||
7630 | break; | |||
7631 | case lltok::kw_branchFunnel: | |||
7632 | WPDRes.TheKind = WholeProgramDevirtResolution::BranchFunnel; | |||
7633 | break; | |||
7634 | default: | |||
7635 | return Error(Lex.getLoc(), "unexpected WholeProgramDevirtResolution kind"); | |||
7636 | } | |||
7637 | Lex.Lex(); | |||
7638 | ||||
7639 | // Parse optional fields | |||
7640 | while (EatIfPresent(lltok::comma)) { | |||
7641 | switch (Lex.getKind()) { | |||
7642 | case lltok::kw_singleImplName: | |||
7643 | Lex.Lex(); | |||
7644 | if (ParseToken(lltok::colon, "expected ':' here") || | |||
7645 | ParseStringConstant(WPDRes.SingleImplName)) | |||
7646 | return true; | |||
7647 | break; | |||
7648 | case lltok::kw_resByArg: | |||
7649 | if (ParseOptionalResByArg(WPDRes.ResByArg)) | |||
7650 | return true; | |||
7651 | break; | |||
7652 | default: | |||
7653 | return Error(Lex.getLoc(), | |||
7654 | "expected optional WholeProgramDevirtResolution field"); | |||
7655 | } | |||
7656 | } | |||
7657 | ||||
7658 | if (ParseToken(lltok::rparen, "expected ')' here")) | |||
7659 | return true; | |||
7660 | ||||
7661 | return false; | |||
7662 | } | |||
7663 | ||||
7664 | /// OptionalResByArg | |||
7665 | /// ::= 'wpdRes' ':' '(' ResByArg[, ResByArg]* ')' | |||
7666 | /// ResByArg ::= Args ',' 'byArg' ':' '(' 'kind' ':' | |||
7667 | /// ( 'indir' | 'uniformRetVal' | 'UniqueRetVal' | | |||
7668 | /// 'virtualConstProp' ) | |||
7669 | /// [',' 'info' ':' UInt64]? [',' 'byte' ':' UInt32]? | |||
7670 | /// [',' 'bit' ':' UInt32]? ')' | |||
7671 | bool LLParser::ParseOptionalResByArg( | |||
7672 | std::map<std::vector<uint64_t>, WholeProgramDevirtResolution::ByArg> | |||
7673 | &ResByArg) { | |||
7674 | if (ParseToken(lltok::kw_resByArg, "expected 'resByArg' here") || | |||
7675 | ParseToken(lltok::colon, "expected ':' here") || | |||
7676 | ParseToken(lltok::lparen, "expected '(' here")) | |||
7677 | return true; | |||
7678 | ||||
7679 | do { | |||
7680 | std::vector<uint64_t> Args; | |||
7681 | if (ParseArgs(Args) || ParseToken(lltok::comma, "expected ',' here") || | |||
7682 | ParseToken(lltok::kw_byArg, "expected 'byArg here") || | |||
7683 | ParseToken(lltok::colon, "expected ':' here") || | |||
7684 | ParseToken(lltok::lparen, "expected '(' here") || | |||
7685 | ParseToken(lltok::kw_kind, "expected 'kind' here") || | |||
7686 | ParseToken(lltok::colon, "expected ':' here")) | |||
7687 | return true; | |||
7688 | ||||
7689 | WholeProgramDevirtResolution::ByArg ByArg; | |||
7690 | switch (Lex.getKind()) { | |||
7691 | case lltok::kw_indir: | |||
7692 | ByArg.TheKind = WholeProgramDevirtResolution::ByArg::Indir; | |||
7693 | break; | |||
7694 | case lltok::kw_uniformRetVal: | |||
7695 | ByArg.TheKind = WholeProgramDevirtResolution::ByArg::UniformRetVal; | |||
7696 | break; | |||
7697 | case lltok::kw_uniqueRetVal: | |||
7698 | ByArg.TheKind = WholeProgramDevirtResolution::ByArg::UniqueRetVal; | |||
7699 | break; | |||
7700 | case lltok::kw_virtualConstProp: | |||
7701 | ByArg.TheKind = WholeProgramDevirtResolution::ByArg::VirtualConstProp; | |||
7702 | break; | |||
7703 | default: | |||
7704 | return Error(Lex.getLoc(), | |||
7705 | "unexpected WholeProgramDevirtResolution::ByArg kind"); | |||
7706 | } | |||
7707 | Lex.Lex(); | |||
7708 | ||||
7709 | // Parse optional fields | |||
7710 | while (EatIfPresent(lltok::comma)) { | |||
7711 | switch (Lex.getKind()) { | |||
7712 | case lltok::kw_info: | |||
7713 | Lex.Lex(); | |||
7714 | if (ParseToken(lltok::colon, "expected ':' here") || | |||
7715 | ParseUInt64(ByArg.Info)) | |||
7716 | return true; | |||
7717 | break; | |||
7718 | case lltok::kw_byte: | |||
7719 | Lex.Lex(); | |||
7720 | if (ParseToken(lltok::colon, "expected ':' here") || | |||
7721 | ParseUInt32(ByArg.Byte)) | |||
7722 | return true; | |||
7723 | break; | |||
7724 | case lltok::kw_bit: | |||
7725 | Lex.Lex(); | |||
7726 | if (ParseToken(lltok::colon, "expected ':' here") || | |||
7727 | ParseUInt32(ByArg.Bit)) | |||
7728 | return true; | |||
7729 | break; | |||
7730 | default: | |||
7731 | return Error(Lex.getLoc(), | |||
7732 | "expected optional whole program devirt field"); | |||
7733 | } | |||
7734 | } | |||
7735 | ||||
7736 | if (ParseToken(lltok::rparen, "expected ')' here")) | |||
7737 | return true; | |||
7738 | ||||
7739 | ResByArg[Args] = ByArg; | |||
7740 | } while (EatIfPresent(lltok::comma)); | |||
7741 | ||||
7742 | if (ParseToken(lltok::rparen, "expected ')' here")) | |||
7743 | return true; | |||
7744 | ||||
7745 | return false; | |||
7746 | } | |||
7747 | ||||
7748 | /// OptionalResByArg | |||
7749 | /// ::= 'args' ':' '(' UInt64[, UInt64]* ')' | |||
7750 | bool LLParser::ParseArgs(std::vector<uint64_t> &Args) { | |||
7751 | if (ParseToken(lltok::kw_args, "expected 'args' here") || | |||
7752 | ParseToken(lltok::colon, "expected ':' here") || | |||
7753 | ParseToken(lltok::lparen, "expected '(' here")) | |||
7754 | return true; | |||
7755 | ||||
7756 | do { | |||
7757 | uint64_t Val; | |||
7758 | if (ParseUInt64(Val)) | |||
7759 | return true; | |||
7760 | Args.push_back(Val); | |||
7761 | } while (EatIfPresent(lltok::comma)); | |||
7762 | ||||
7763 | if (ParseToken(lltok::rparen, "expected ')' here")) | |||
7764 | return true; | |||
7765 | ||||
7766 | return false; | |||
7767 | } | |||
7768 | ||||
7769 | static const auto FwdVIRef = (GlobalValueSummaryMapTy::value_type *)-8; | |||
7770 | ||||
7771 | static void resolveFwdRef(ValueInfo *Fwd, ValueInfo &Resolved) { | |||
7772 | bool ReadOnly = Fwd->isReadOnly(); | |||
7773 | *Fwd = Resolved; | |||
7774 | if (ReadOnly) | |||
7775 | Fwd->setReadOnly(); | |||
7776 | } | |||
7777 | ||||
7778 | /// Stores the given Name/GUID and associated summary into the Index. | |||
7779 | /// Also updates any forward references to the associated entry ID. | |||
7780 | void LLParser::AddGlobalValueToIndex( | |||
7781 | std::string Name, GlobalValue::GUID GUID, GlobalValue::LinkageTypes Linkage, | |||
7782 | unsigned ID, std::unique_ptr<GlobalValueSummary> Summary) { | |||
7783 | // First create the ValueInfo utilizing the Name or GUID. | |||
7784 | ValueInfo VI; | |||
7785 | if (GUID != 0) { | |||
7786 | assert(Name.empty())((Name.empty()) ? static_cast<void> (0) : __assert_fail ("Name.empty()", "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 7786, __PRETTY_FUNCTION__)); | |||
7787 | VI = Index->getOrInsertValueInfo(GUID); | |||
7788 | } else { | |||
7789 | assert(!Name.empty())((!Name.empty()) ? static_cast<void> (0) : __assert_fail ("!Name.empty()", "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 7789, __PRETTY_FUNCTION__)); | |||
7790 | if (M) { | |||
7791 | auto *GV = M->getNamedValue(Name); | |||
7792 | assert(GV)((GV) ? static_cast<void> (0) : __assert_fail ("GV", "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 7792, __PRETTY_FUNCTION__)); | |||
7793 | VI = Index->getOrInsertValueInfo(GV); | |||
7794 | } else { | |||
7795 | assert((((!GlobalValue::isLocalLinkage(Linkage) || !SourceFileName.empty ()) && "Need a source_filename to compute GUID for local" ) ? static_cast<void> (0) : __assert_fail ("(!GlobalValue::isLocalLinkage(Linkage) || !SourceFileName.empty()) && \"Need a source_filename to compute GUID for local\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 7797, __PRETTY_FUNCTION__)) | |||
7796 | (!GlobalValue::isLocalLinkage(Linkage) || !SourceFileName.empty()) &&(((!GlobalValue::isLocalLinkage(Linkage) || !SourceFileName.empty ()) && "Need a source_filename to compute GUID for local" ) ? static_cast<void> (0) : __assert_fail ("(!GlobalValue::isLocalLinkage(Linkage) || !SourceFileName.empty()) && \"Need a source_filename to compute GUID for local\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 7797, __PRETTY_FUNCTION__)) | |||
7797 | "Need a source_filename to compute GUID for local")(((!GlobalValue::isLocalLinkage(Linkage) || !SourceFileName.empty ()) && "Need a source_filename to compute GUID for local" ) ? static_cast<void> (0) : __assert_fail ("(!GlobalValue::isLocalLinkage(Linkage) || !SourceFileName.empty()) && \"Need a source_filename to compute GUID for local\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 7797, __PRETTY_FUNCTION__)); | |||
7798 | GUID = GlobalValue::getGUID( | |||
7799 | GlobalValue::getGlobalIdentifier(Name, Linkage, SourceFileName)); | |||
7800 | VI = Index->getOrInsertValueInfo(GUID, Index->saveString(Name)); | |||
7801 | } | |||
7802 | } | |||
7803 | ||||
7804 | // Resolve forward references from calls/refs | |||
7805 | auto FwdRefVIs = ForwardRefValueInfos.find(ID); | |||
7806 | if (FwdRefVIs != ForwardRefValueInfos.end()) { | |||
7807 | for (auto VIRef : FwdRefVIs->second) { | |||
7808 | assert(VIRef.first->getRef() == FwdVIRef &&((VIRef.first->getRef() == FwdVIRef && "Forward referenced ValueInfo expected to be empty" ) ? static_cast<void> (0) : __assert_fail ("VIRef.first->getRef() == FwdVIRef && \"Forward referenced ValueInfo expected to be empty\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 7809, __PRETTY_FUNCTION__)) | |||
7809 | "Forward referenced ValueInfo expected to be empty")((VIRef.first->getRef() == FwdVIRef && "Forward referenced ValueInfo expected to be empty" ) ? static_cast<void> (0) : __assert_fail ("VIRef.first->getRef() == FwdVIRef && \"Forward referenced ValueInfo expected to be empty\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 7809, __PRETTY_FUNCTION__)); | |||
7810 | resolveFwdRef(VIRef.first, VI); | |||
7811 | } | |||
7812 | ForwardRefValueInfos.erase(FwdRefVIs); | |||
7813 | } | |||
7814 | ||||
7815 | // Resolve forward references from aliases | |||
7816 | auto FwdRefAliasees = ForwardRefAliasees.find(ID); | |||
7817 | if (FwdRefAliasees != ForwardRefAliasees.end()) { | |||
7818 | for (auto AliaseeRef : FwdRefAliasees->second) { | |||
7819 | assert(!AliaseeRef.first->hasAliasee() &&((!AliaseeRef.first->hasAliasee() && "Forward referencing alias already has aliasee" ) ? static_cast<void> (0) : __assert_fail ("!AliaseeRef.first->hasAliasee() && \"Forward referencing alias already has aliasee\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 7820, __PRETTY_FUNCTION__)) | |||
7820 | "Forward referencing alias already has aliasee")((!AliaseeRef.first->hasAliasee() && "Forward referencing alias already has aliasee" ) ? static_cast<void> (0) : __assert_fail ("!AliaseeRef.first->hasAliasee() && \"Forward referencing alias already has aliasee\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 7820, __PRETTY_FUNCTION__)); | |||
7821 | assert(Summary && "Aliasee must be a definition")((Summary && "Aliasee must be a definition") ? static_cast <void> (0) : __assert_fail ("Summary && \"Aliasee must be a definition\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 7821, __PRETTY_FUNCTION__)); | |||
7822 | AliaseeRef.first->setAliasee(VI, Summary.get()); | |||
7823 | } | |||
7824 | ForwardRefAliasees.erase(FwdRefAliasees); | |||
7825 | } | |||
7826 | ||||
7827 | // Add the summary if one was provided. | |||
7828 | if (Summary) | |||
7829 | Index->addGlobalValueSummary(VI, std::move(Summary)); | |||
7830 | ||||
7831 | // Save the associated ValueInfo for use in later references by ID. | |||
7832 | if (ID == NumberedValueInfos.size()) | |||
7833 | NumberedValueInfos.push_back(VI); | |||
7834 | else { | |||
7835 | // Handle non-continuous numbers (to make test simplification easier). | |||
7836 | if (ID > NumberedValueInfos.size()) | |||
7837 | NumberedValueInfos.resize(ID + 1); | |||
7838 | NumberedValueInfos[ID] = VI; | |||
7839 | } | |||
7840 | } | |||
7841 | ||||
7842 | /// ParseGVEntry | |||
7843 | /// ::= 'gv' ':' '(' ('name' ':' STRINGCONSTANT | 'guid' ':' UInt64) | |||
7844 | /// [',' 'summaries' ':' Summary[',' Summary]* ]? ')' | |||
7845 | /// Summary ::= '(' (FunctionSummary | VariableSummary | AliasSummary) ')' | |||
7846 | bool LLParser::ParseGVEntry(unsigned ID) { | |||
7847 | assert(Lex.getKind() == lltok::kw_gv)((Lex.getKind() == lltok::kw_gv) ? static_cast<void> (0 ) : __assert_fail ("Lex.getKind() == lltok::kw_gv", "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 7847, __PRETTY_FUNCTION__)); | |||
7848 | Lex.Lex(); | |||
7849 | ||||
7850 | if (ParseToken(lltok::colon, "expected ':' here") || | |||
7851 | ParseToken(lltok::lparen, "expected '(' here")) | |||
7852 | return true; | |||
7853 | ||||
7854 | std::string Name; | |||
7855 | GlobalValue::GUID GUID = 0; | |||
7856 | switch (Lex.getKind()) { | |||
7857 | case lltok::kw_name: | |||
7858 | Lex.Lex(); | |||
7859 | if (ParseToken(lltok::colon, "expected ':' here") || | |||
7860 | ParseStringConstant(Name)) | |||
7861 | return true; | |||
7862 | // Can't create GUID/ValueInfo until we have the linkage. | |||
7863 | break; | |||
7864 | case lltok::kw_guid: | |||
7865 | Lex.Lex(); | |||
7866 | if (ParseToken(lltok::colon, "expected ':' here") || ParseUInt64(GUID)) | |||
7867 | return true; | |||
7868 | break; | |||
7869 | default: | |||
7870 | return Error(Lex.getLoc(), "expected name or guid tag"); | |||
7871 | } | |||
7872 | ||||
7873 | if (!EatIfPresent(lltok::comma)) { | |||
7874 | // No summaries. Wrap up. | |||
7875 | if (ParseToken(lltok::rparen, "expected ')' here")) | |||
7876 | return true; | |||
7877 | // This was created for a call to an external or indirect target. | |||
7878 | // A GUID with no summary came from a VALUE_GUID record, dummy GUID | |||
7879 | // created for indirect calls with VP. A Name with no GUID came from | |||
7880 | // an external definition. We pass ExternalLinkage since that is only | |||
7881 | // used when the GUID must be computed from Name, and in that case | |||
7882 | // the symbol must have external linkage. | |||
7883 | AddGlobalValueToIndex(Name, GUID, GlobalValue::ExternalLinkage, ID, | |||
7884 | nullptr); | |||
7885 | return false; | |||
7886 | } | |||
7887 | ||||
7888 | // Have a list of summaries | |||
7889 | if (ParseToken(lltok::kw_summaries, "expected 'summaries' here") || | |||
7890 | ParseToken(lltok::colon, "expected ':' here")) | |||
7891 | return true; | |||
7892 | ||||
7893 | do { | |||
7894 | if (ParseToken(lltok::lparen, "expected '(' here")) | |||
7895 | return true; | |||
7896 | switch (Lex.getKind()) { | |||
7897 | case lltok::kw_function: | |||
7898 | if (ParseFunctionSummary(Name, GUID, ID)) | |||
7899 | return true; | |||
7900 | break; | |||
7901 | case lltok::kw_variable: | |||
7902 | if (ParseVariableSummary(Name, GUID, ID)) | |||
7903 | return true; | |||
7904 | break; | |||
7905 | case lltok::kw_alias: | |||
7906 | if (ParseAliasSummary(Name, GUID, ID)) | |||
7907 | return true; | |||
7908 | break; | |||
7909 | default: | |||
7910 | return Error(Lex.getLoc(), "expected summary type"); | |||
7911 | } | |||
7912 | if (ParseToken(lltok::rparen, "expected ')' here")) | |||
7913 | return true; | |||
7914 | } while (EatIfPresent(lltok::comma)); | |||
7915 | ||||
7916 | if (ParseToken(lltok::rparen, "expected ')' here")) | |||
7917 | return true; | |||
7918 | ||||
7919 | return false; | |||
7920 | } | |||
7921 | ||||
7922 | /// FunctionSummary | |||
7923 | /// ::= 'function' ':' '(' 'module' ':' ModuleReference ',' GVFlags | |||
7924 | /// ',' 'insts' ':' UInt32 [',' OptionalFFlags]? [',' OptionalCalls]? | |||
7925 | /// [',' OptionalTypeIdInfo]? [',' OptionalRefs]? ')' | |||
7926 | bool LLParser::ParseFunctionSummary(std::string Name, GlobalValue::GUID GUID, | |||
7927 | unsigned ID) { | |||
7928 | assert(Lex.getKind() == lltok::kw_function)((Lex.getKind() == lltok::kw_function) ? static_cast<void> (0) : __assert_fail ("Lex.getKind() == lltok::kw_function", "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 7928, __PRETTY_FUNCTION__)); | |||
7929 | Lex.Lex(); | |||
7930 | ||||
7931 | StringRef ModulePath; | |||
7932 | GlobalValueSummary::GVFlags GVFlags = GlobalValueSummary::GVFlags( | |||
7933 | /*Linkage=*/GlobalValue::ExternalLinkage, /*NotEligibleToImport=*/false, | |||
7934 | /*Live=*/false, /*IsLocal=*/false, /*CanAutoHide=*/false); | |||
7935 | unsigned InstCount; | |||
7936 | std::vector<FunctionSummary::EdgeTy> Calls; | |||
7937 | FunctionSummary::TypeIdInfo TypeIdInfo; | |||
7938 | std::vector<ValueInfo> Refs; | |||
7939 | // Default is all-zeros (conservative values). | |||
7940 | FunctionSummary::FFlags FFlags = {}; | |||
7941 | if (ParseToken(lltok::colon, "expected ':' here") || | |||
7942 | ParseToken(lltok::lparen, "expected '(' here") || | |||
7943 | ParseModuleReference(ModulePath) || | |||
7944 | ParseToken(lltok::comma, "expected ',' here") || ParseGVFlags(GVFlags) || | |||
7945 | ParseToken(lltok::comma, "expected ',' here") || | |||
7946 | ParseToken(lltok::kw_insts, "expected 'insts' here") || | |||
7947 | ParseToken(lltok::colon, "expected ':' here") || ParseUInt32(InstCount)) | |||
7948 | return true; | |||
7949 | ||||
7950 | // Parse optional fields | |||
7951 | while (EatIfPresent(lltok::comma)) { | |||
7952 | switch (Lex.getKind()) { | |||
7953 | case lltok::kw_funcFlags: | |||
7954 | if (ParseOptionalFFlags(FFlags)) | |||
7955 | return true; | |||
7956 | break; | |||
7957 | case lltok::kw_calls: | |||
7958 | if (ParseOptionalCalls(Calls)) | |||
7959 | return true; | |||
7960 | break; | |||
7961 | case lltok::kw_typeIdInfo: | |||
7962 | if (ParseOptionalTypeIdInfo(TypeIdInfo)) | |||
7963 | return true; | |||
7964 | break; | |||
7965 | case lltok::kw_refs: | |||
7966 | if (ParseOptionalRefs(Refs)) | |||
7967 | return true; | |||
7968 | break; | |||
7969 | default: | |||
7970 | return Error(Lex.getLoc(), "expected optional function summary field"); | |||
7971 | } | |||
7972 | } | |||
7973 | ||||
7974 | if (ParseToken(lltok::rparen, "expected ')' here")) | |||
7975 | return true; | |||
7976 | ||||
7977 | auto FS = llvm::make_unique<FunctionSummary>( | |||
7978 | GVFlags, InstCount, FFlags, /*EntryCount=*/0, std::move(Refs), | |||
7979 | std::move(Calls), std::move(TypeIdInfo.TypeTests), | |||
7980 | std::move(TypeIdInfo.TypeTestAssumeVCalls), | |||
7981 | std::move(TypeIdInfo.TypeCheckedLoadVCalls), | |||
7982 | std::move(TypeIdInfo.TypeTestAssumeConstVCalls), | |||
7983 | std::move(TypeIdInfo.TypeCheckedLoadConstVCalls)); | |||
7984 | ||||
7985 | FS->setModulePath(ModulePath); | |||
7986 | ||||
7987 | AddGlobalValueToIndex(Name, GUID, (GlobalValue::LinkageTypes)GVFlags.Linkage, | |||
7988 | ID, std::move(FS)); | |||
7989 | ||||
7990 | return false; | |||
7991 | } | |||
7992 | ||||
7993 | /// VariableSummary | |||
7994 | /// ::= 'variable' ':' '(' 'module' ':' ModuleReference ',' GVFlags | |||
7995 | /// [',' OptionalRefs]? ')' | |||
7996 | bool LLParser::ParseVariableSummary(std::string Name, GlobalValue::GUID GUID, | |||
7997 | unsigned ID) { | |||
7998 | assert(Lex.getKind() == lltok::kw_variable)((Lex.getKind() == lltok::kw_variable) ? static_cast<void> (0) : __assert_fail ("Lex.getKind() == lltok::kw_variable", "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 7998, __PRETTY_FUNCTION__)); | |||
7999 | Lex.Lex(); | |||
8000 | ||||
8001 | StringRef ModulePath; | |||
8002 | GlobalValueSummary::GVFlags GVFlags = GlobalValueSummary::GVFlags( | |||
8003 | /*Linkage=*/GlobalValue::ExternalLinkage, /*NotEligibleToImport=*/false, | |||
8004 | /*Live=*/false, /*IsLocal=*/false, /*CanAutoHide=*/false); | |||
8005 | GlobalVarSummary::GVarFlags GVarFlags(/*ReadOnly*/ false); | |||
8006 | std::vector<ValueInfo> Refs; | |||
8007 | if (ParseToken(lltok::colon, "expected ':' here") || | |||
8008 | ParseToken(lltok::lparen, "expected '(' here") || | |||
8009 | ParseModuleReference(ModulePath) || | |||
8010 | ParseToken(lltok::comma, "expected ',' here") || ParseGVFlags(GVFlags) || | |||
8011 | ParseToken(lltok::comma, "expected ',' here") || | |||
8012 | ParseGVarFlags(GVarFlags)) | |||
8013 | return true; | |||
8014 | ||||
8015 | // Parse optional refs field | |||
8016 | if (EatIfPresent(lltok::comma)) { | |||
8017 | if (ParseOptionalRefs(Refs)) | |||
8018 | return true; | |||
8019 | } | |||
8020 | ||||
8021 | if (ParseToken(lltok::rparen, "expected ')' here")) | |||
8022 | return true; | |||
8023 | ||||
8024 | auto GS = | |||
8025 | llvm::make_unique<GlobalVarSummary>(GVFlags, GVarFlags, std::move(Refs)); | |||
8026 | ||||
8027 | GS->setModulePath(ModulePath); | |||
8028 | ||||
8029 | AddGlobalValueToIndex(Name, GUID, (GlobalValue::LinkageTypes)GVFlags.Linkage, | |||
8030 | ID, std::move(GS)); | |||
8031 | ||||
8032 | return false; | |||
8033 | } | |||
8034 | ||||
8035 | /// AliasSummary | |||
8036 | /// ::= 'alias' ':' '(' 'module' ':' ModuleReference ',' GVFlags ',' | |||
8037 | /// 'aliasee' ':' GVReference ')' | |||
8038 | bool LLParser::ParseAliasSummary(std::string Name, GlobalValue::GUID GUID, | |||
8039 | unsigned ID) { | |||
8040 | assert(Lex.getKind() == lltok::kw_alias)((Lex.getKind() == lltok::kw_alias) ? static_cast<void> (0) : __assert_fail ("Lex.getKind() == lltok::kw_alias", "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 8040, __PRETTY_FUNCTION__)); | |||
8041 | LocTy Loc = Lex.getLoc(); | |||
8042 | Lex.Lex(); | |||
8043 | ||||
8044 | StringRef ModulePath; | |||
8045 | GlobalValueSummary::GVFlags GVFlags = GlobalValueSummary::GVFlags( | |||
8046 | /*Linkage=*/GlobalValue::ExternalLinkage, /*NotEligibleToImport=*/false, | |||
8047 | /*Live=*/false, /*IsLocal=*/false, /*CanAutoHide=*/false); | |||
8048 | if (ParseToken(lltok::colon, "expected ':' here") || | |||
8049 | ParseToken(lltok::lparen, "expected '(' here") || | |||
8050 | ParseModuleReference(ModulePath) || | |||
8051 | ParseToken(lltok::comma, "expected ',' here") || ParseGVFlags(GVFlags) || | |||
8052 | ParseToken(lltok::comma, "expected ',' here") || | |||
8053 | ParseToken(lltok::kw_aliasee, "expected 'aliasee' here") || | |||
8054 | ParseToken(lltok::colon, "expected ':' here")) | |||
8055 | return true; | |||
8056 | ||||
8057 | ValueInfo AliaseeVI; | |||
8058 | unsigned GVId; | |||
8059 | if (ParseGVReference(AliaseeVI, GVId)) | |||
8060 | return true; | |||
8061 | ||||
8062 | if (ParseToken(lltok::rparen, "expected ')' here")) | |||
8063 | return true; | |||
8064 | ||||
8065 | auto AS = llvm::make_unique<AliasSummary>(GVFlags); | |||
8066 | ||||
8067 | AS->setModulePath(ModulePath); | |||
8068 | ||||
8069 | // Record forward reference if the aliasee is not parsed yet. | |||
8070 | if (AliaseeVI.getRef() == FwdVIRef) { | |||
8071 | auto FwdRef = ForwardRefAliasees.insert( | |||
8072 | std::make_pair(GVId, std::vector<std::pair<AliasSummary *, LocTy>>())); | |||
8073 | FwdRef.first->second.push_back(std::make_pair(AS.get(), Loc)); | |||
8074 | } else { | |||
8075 | auto Summary = Index->findSummaryInModule(AliaseeVI, ModulePath); | |||
8076 | assert(Summary && "Aliasee must be a definition")((Summary && "Aliasee must be a definition") ? static_cast <void> (0) : __assert_fail ("Summary && \"Aliasee must be a definition\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 8076, __PRETTY_FUNCTION__)); | |||
8077 | AS->setAliasee(AliaseeVI, Summary); | |||
8078 | } | |||
8079 | ||||
8080 | AddGlobalValueToIndex(Name, GUID, (GlobalValue::LinkageTypes)GVFlags.Linkage, | |||
8081 | ID, std::move(AS)); | |||
8082 | ||||
8083 | return false; | |||
8084 | } | |||
8085 | ||||
8086 | /// Flag | |||
8087 | /// ::= [0|1] | |||
8088 | bool LLParser::ParseFlag(unsigned &Val) { | |||
8089 | if (Lex.getKind() != lltok::APSInt || Lex.getAPSIntVal().isSigned()) | |||
8090 | return TokError("expected integer"); | |||
8091 | Val = (unsigned)Lex.getAPSIntVal().getBoolValue(); | |||
8092 | Lex.Lex(); | |||
8093 | return false; | |||
8094 | } | |||
8095 | ||||
8096 | /// OptionalFFlags | |||
8097 | /// := 'funcFlags' ':' '(' ['readNone' ':' Flag]? | |||
8098 | /// [',' 'readOnly' ':' Flag]? [',' 'noRecurse' ':' Flag]? | |||
8099 | /// [',' 'returnDoesNotAlias' ':' Flag]? ')' | |||
8100 | /// [',' 'noInline' ':' Flag]? ')' | |||
8101 | bool LLParser::ParseOptionalFFlags(FunctionSummary::FFlags &FFlags) { | |||
8102 | assert(Lex.getKind() == lltok::kw_funcFlags)((Lex.getKind() == lltok::kw_funcFlags) ? static_cast<void > (0) : __assert_fail ("Lex.getKind() == lltok::kw_funcFlags" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 8102, __PRETTY_FUNCTION__)); | |||
8103 | Lex.Lex(); | |||
8104 | ||||
8105 | if (ParseToken(lltok::colon, "expected ':' in funcFlags") | | |||
8106 | ParseToken(lltok::lparen, "expected '(' in funcFlags")) | |||
8107 | return true; | |||
8108 | ||||
8109 | do { | |||
8110 | unsigned Val = 0; | |||
8111 | switch (Lex.getKind()) { | |||
8112 | case lltok::kw_readNone: | |||
8113 | Lex.Lex(); | |||
8114 | if (ParseToken(lltok::colon, "expected ':'") || ParseFlag(Val)) | |||
8115 | return true; | |||
8116 | FFlags.ReadNone = Val; | |||
8117 | break; | |||
8118 | case lltok::kw_readOnly: | |||
8119 | Lex.Lex(); | |||
8120 | if (ParseToken(lltok::colon, "expected ':'") || ParseFlag(Val)) | |||
8121 | return true; | |||
8122 | FFlags.ReadOnly = Val; | |||
8123 | break; | |||
8124 | case lltok::kw_noRecurse: | |||
8125 | Lex.Lex(); | |||
8126 | if (ParseToken(lltok::colon, "expected ':'") || ParseFlag(Val)) | |||
8127 | return true; | |||
8128 | FFlags.NoRecurse = Val; | |||
8129 | break; | |||
8130 | case lltok::kw_returnDoesNotAlias: | |||
8131 | Lex.Lex(); | |||
8132 | if (ParseToken(lltok::colon, "expected ':'") || ParseFlag(Val)) | |||
8133 | return true; | |||
8134 | FFlags.ReturnDoesNotAlias = Val; | |||
8135 | break; | |||
8136 | case lltok::kw_noInline: | |||
8137 | Lex.Lex(); | |||
8138 | if (ParseToken(lltok::colon, "expected ':'") || ParseFlag(Val)) | |||
8139 | return true; | |||
8140 | FFlags.NoInline = Val; | |||
8141 | break; | |||
8142 | default: | |||
8143 | return Error(Lex.getLoc(), "expected function flag type"); | |||
8144 | } | |||
8145 | } while (EatIfPresent(lltok::comma)); | |||
8146 | ||||
8147 | if (ParseToken(lltok::rparen, "expected ')' in funcFlags")) | |||
8148 | return true; | |||
8149 | ||||
8150 | return false; | |||
8151 | } | |||
8152 | ||||
8153 | /// OptionalCalls | |||
8154 | /// := 'calls' ':' '(' Call [',' Call]* ')' | |||
8155 | /// Call ::= '(' 'callee' ':' GVReference | |||
8156 | /// [( ',' 'hotness' ':' Hotness | ',' 'relbf' ':' UInt32 )]? ')' | |||
8157 | bool LLParser::ParseOptionalCalls(std::vector<FunctionSummary::EdgeTy> &Calls) { | |||
8158 | assert(Lex.getKind() == lltok::kw_calls)((Lex.getKind() == lltok::kw_calls) ? static_cast<void> (0) : __assert_fail ("Lex.getKind() == lltok::kw_calls", "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 8158, __PRETTY_FUNCTION__)); | |||
8159 | Lex.Lex(); | |||
8160 | ||||
8161 | if (ParseToken(lltok::colon, "expected ':' in calls") | | |||
8162 | ParseToken(lltok::lparen, "expected '(' in calls")) | |||
8163 | return true; | |||
8164 | ||||
8165 | IdToIndexMapType IdToIndexMap; | |||
8166 | // Parse each call edge | |||
8167 | do { | |||
8168 | ValueInfo VI; | |||
8169 | if (ParseToken(lltok::lparen, "expected '(' in call") || | |||
8170 | ParseToken(lltok::kw_callee, "expected 'callee' in call") || | |||
8171 | ParseToken(lltok::colon, "expected ':'")) | |||
8172 | return true; | |||
8173 | ||||
8174 | LocTy Loc = Lex.getLoc(); | |||
8175 | unsigned GVId; | |||
8176 | if (ParseGVReference(VI, GVId)) | |||
8177 | return true; | |||
8178 | ||||
8179 | CalleeInfo::HotnessType Hotness = CalleeInfo::HotnessType::Unknown; | |||
8180 | unsigned RelBF = 0; | |||
8181 | if (EatIfPresent(lltok::comma)) { | |||
8182 | // Expect either hotness or relbf | |||
8183 | if (EatIfPresent(lltok::kw_hotness)) { | |||
8184 | if (ParseToken(lltok::colon, "expected ':'") || ParseHotness(Hotness)) | |||
8185 | return true; | |||
8186 | } else { | |||
8187 | if (ParseToken(lltok::kw_relbf, "expected relbf") || | |||
8188 | ParseToken(lltok::colon, "expected ':'") || ParseUInt32(RelBF)) | |||
8189 | return true; | |||
8190 | } | |||
8191 | } | |||
8192 | // Keep track of the Call array index needing a forward reference. | |||
8193 | // We will save the location of the ValueInfo needing an update, but | |||
8194 | // can only do so once the std::vector is finalized. | |||
8195 | if (VI.getRef() == FwdVIRef) | |||
8196 | IdToIndexMap[GVId].push_back(std::make_pair(Calls.size(), Loc)); | |||
8197 | Calls.push_back(FunctionSummary::EdgeTy{VI, CalleeInfo(Hotness, RelBF)}); | |||
8198 | ||||
8199 | if (ParseToken(lltok::rparen, "expected ')' in call")) | |||
8200 | return true; | |||
8201 | } while (EatIfPresent(lltok::comma)); | |||
8202 | ||||
8203 | // Now that the Calls vector is finalized, it is safe to save the locations | |||
8204 | // of any forward GV references that need updating later. | |||
8205 | for (auto I : IdToIndexMap) { | |||
8206 | for (auto P : I.second) { | |||
8207 | assert(Calls[P.first].first.getRef() == FwdVIRef &&((Calls[P.first].first.getRef() == FwdVIRef && "Forward referenced ValueInfo expected to be empty" ) ? static_cast<void> (0) : __assert_fail ("Calls[P.first].first.getRef() == FwdVIRef && \"Forward referenced ValueInfo expected to be empty\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 8208, __PRETTY_FUNCTION__)) | |||
8208 | "Forward referenced ValueInfo expected to be empty")((Calls[P.first].first.getRef() == FwdVIRef && "Forward referenced ValueInfo expected to be empty" ) ? static_cast<void> (0) : __assert_fail ("Calls[P.first].first.getRef() == FwdVIRef && \"Forward referenced ValueInfo expected to be empty\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 8208, __PRETTY_FUNCTION__)); | |||
8209 | auto FwdRef = ForwardRefValueInfos.insert(std::make_pair( | |||
8210 | I.first, std::vector<std::pair<ValueInfo *, LocTy>>())); | |||
8211 | FwdRef.first->second.push_back( | |||
8212 | std::make_pair(&Calls[P.first].first, P.second)); | |||
8213 | } | |||
8214 | } | |||
8215 | ||||
8216 | if (ParseToken(lltok::rparen, "expected ')' in calls")) | |||
8217 | return true; | |||
8218 | ||||
8219 | return false; | |||
8220 | } | |||
8221 | ||||
8222 | /// Hotness | |||
8223 | /// := ('unknown'|'cold'|'none'|'hot'|'critical') | |||
8224 | bool LLParser::ParseHotness(CalleeInfo::HotnessType &Hotness) { | |||
8225 | switch (Lex.getKind()) { | |||
8226 | case lltok::kw_unknown: | |||
8227 | Hotness = CalleeInfo::HotnessType::Unknown; | |||
8228 | break; | |||
8229 | case lltok::kw_cold: | |||
8230 | Hotness = CalleeInfo::HotnessType::Cold; | |||
8231 | break; | |||
8232 | case lltok::kw_none: | |||
8233 | Hotness = CalleeInfo::HotnessType::None; | |||
8234 | break; | |||
8235 | case lltok::kw_hot: | |||
8236 | Hotness = CalleeInfo::HotnessType::Hot; | |||
8237 | break; | |||
8238 | case lltok::kw_critical: | |||
8239 | Hotness = CalleeInfo::HotnessType::Critical; | |||
8240 | break; | |||
8241 | default: | |||
8242 | return Error(Lex.getLoc(), "invalid call edge hotness"); | |||
8243 | } | |||
8244 | Lex.Lex(); | |||
8245 | return false; | |||
8246 | } | |||
8247 | ||||
8248 | /// OptionalRefs | |||
8249 | /// := 'refs' ':' '(' GVReference [',' GVReference]* ')' | |||
8250 | bool LLParser::ParseOptionalRefs(std::vector<ValueInfo> &Refs) { | |||
8251 | assert(Lex.getKind() == lltok::kw_refs)((Lex.getKind() == lltok::kw_refs) ? static_cast<void> ( 0) : __assert_fail ("Lex.getKind() == lltok::kw_refs", "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 8251, __PRETTY_FUNCTION__)); | |||
8252 | Lex.Lex(); | |||
8253 | ||||
8254 | if (ParseToken(lltok::colon, "expected ':' in refs") | | |||
8255 | ParseToken(lltok::lparen, "expected '(' in refs")) | |||
8256 | return true; | |||
8257 | ||||
8258 | struct ValueContext { | |||
8259 | ValueInfo VI; | |||
8260 | unsigned GVId; | |||
8261 | LocTy Loc; | |||
8262 | }; | |||
8263 | std::vector<ValueContext> VContexts; | |||
8264 | // Parse each ref edge | |||
8265 | do { | |||
8266 | ValueContext VC; | |||
8267 | VC.Loc = Lex.getLoc(); | |||
8268 | if (ParseGVReference(VC.VI, VC.GVId)) | |||
8269 | return true; | |||
8270 | VContexts.push_back(VC); | |||
8271 | } while (EatIfPresent(lltok::comma)); | |||
8272 | ||||
8273 | // Sort value contexts so that ones with readonly ValueInfo are at the end | |||
8274 | // of VContexts vector. This is needed to match immutableRefCount() behavior. | |||
8275 | llvm::sort(VContexts, [](const ValueContext &VC1, const ValueContext &VC2) { | |||
8276 | return VC1.VI.isReadOnly() < VC2.VI.isReadOnly(); | |||
8277 | }); | |||
8278 | ||||
8279 | IdToIndexMapType IdToIndexMap; | |||
8280 | for (auto &VC : VContexts) { | |||
8281 | // Keep track of the Refs array index needing a forward reference. | |||
8282 | // We will save the location of the ValueInfo needing an update, but | |||
8283 | // can only do so once the std::vector is finalized. | |||
8284 | if (VC.VI.getRef() == FwdVIRef) | |||
8285 | IdToIndexMap[VC.GVId].push_back(std::make_pair(Refs.size(), VC.Loc)); | |||
8286 | Refs.push_back(VC.VI); | |||
8287 | } | |||
8288 | ||||
8289 | // Now that the Refs vector is finalized, it is safe to save the locations | |||
8290 | // of any forward GV references that need updating later. | |||
8291 | for (auto I : IdToIndexMap) { | |||
8292 | for (auto P : I.second) { | |||
8293 | assert(Refs[P.first].getRef() == FwdVIRef &&((Refs[P.first].getRef() == FwdVIRef && "Forward referenced ValueInfo expected to be empty" ) ? static_cast<void> (0) : __assert_fail ("Refs[P.first].getRef() == FwdVIRef && \"Forward referenced ValueInfo expected to be empty\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 8294, __PRETTY_FUNCTION__)) | |||
8294 | "Forward referenced ValueInfo expected to be empty")((Refs[P.first].getRef() == FwdVIRef && "Forward referenced ValueInfo expected to be empty" ) ? static_cast<void> (0) : __assert_fail ("Refs[P.first].getRef() == FwdVIRef && \"Forward referenced ValueInfo expected to be empty\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 8294, __PRETTY_FUNCTION__)); | |||
8295 | auto FwdRef = ForwardRefValueInfos.insert(std::make_pair( | |||
8296 | I.first, std::vector<std::pair<ValueInfo *, LocTy>>())); | |||
8297 | FwdRef.first->second.push_back(std::make_pair(&Refs[P.first], P.second)); | |||
8298 | } | |||
8299 | } | |||
8300 | ||||
8301 | if (ParseToken(lltok::rparen, "expected ')' in refs")) | |||
8302 | return true; | |||
8303 | ||||
8304 | return false; | |||
8305 | } | |||
8306 | ||||
8307 | /// OptionalTypeIdInfo | |||
8308 | /// := 'typeidinfo' ':' '(' [',' TypeTests]? [',' TypeTestAssumeVCalls]? | |||
8309 | /// [',' TypeCheckedLoadVCalls]? [',' TypeTestAssumeConstVCalls]? | |||
8310 | /// [',' TypeCheckedLoadConstVCalls]? ')' | |||
8311 | bool LLParser::ParseOptionalTypeIdInfo( | |||
8312 | FunctionSummary::TypeIdInfo &TypeIdInfo) { | |||
8313 | assert(Lex.getKind() == lltok::kw_typeIdInfo)((Lex.getKind() == lltok::kw_typeIdInfo) ? static_cast<void > (0) : __assert_fail ("Lex.getKind() == lltok::kw_typeIdInfo" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 8313, __PRETTY_FUNCTION__)); | |||
8314 | Lex.Lex(); | |||
8315 | ||||
8316 | if (ParseToken(lltok::colon, "expected ':' here") || | |||
8317 | ParseToken(lltok::lparen, "expected '(' in typeIdInfo")) | |||
8318 | return true; | |||
8319 | ||||
8320 | do { | |||
8321 | switch (Lex.getKind()) { | |||
8322 | case lltok::kw_typeTests: | |||
8323 | if (ParseTypeTests(TypeIdInfo.TypeTests)) | |||
8324 | return true; | |||
8325 | break; | |||
8326 | case lltok::kw_typeTestAssumeVCalls: | |||
8327 | if (ParseVFuncIdList(lltok::kw_typeTestAssumeVCalls, | |||
8328 | TypeIdInfo.TypeTestAssumeVCalls)) | |||
8329 | return true; | |||
8330 | break; | |||
8331 | case lltok::kw_typeCheckedLoadVCalls: | |||
8332 | if (ParseVFuncIdList(lltok::kw_typeCheckedLoadVCalls, | |||
8333 | TypeIdInfo.TypeCheckedLoadVCalls)) | |||
8334 | return true; | |||
8335 | break; | |||
8336 | case lltok::kw_typeTestAssumeConstVCalls: | |||
8337 | if (ParseConstVCallList(lltok::kw_typeTestAssumeConstVCalls, | |||
8338 | TypeIdInfo.TypeTestAssumeConstVCalls)) | |||
8339 | return true; | |||
8340 | break; | |||
8341 | case lltok::kw_typeCheckedLoadConstVCalls: | |||
8342 | if (ParseConstVCallList(lltok::kw_typeCheckedLoadConstVCalls, | |||
8343 | TypeIdInfo.TypeCheckedLoadConstVCalls)) | |||
8344 | return true; | |||
8345 | break; | |||
8346 | default: | |||
8347 | return Error(Lex.getLoc(), "invalid typeIdInfo list type"); | |||
8348 | } | |||
8349 | } while (EatIfPresent(lltok::comma)); | |||
8350 | ||||
8351 | if (ParseToken(lltok::rparen, "expected ')' in typeIdInfo")) | |||
8352 | return true; | |||
8353 | ||||
8354 | return false; | |||
8355 | } | |||
8356 | ||||
8357 | /// TypeTests | |||
8358 | /// ::= 'typeTests' ':' '(' (SummaryID | UInt64) | |||
8359 | /// [',' (SummaryID | UInt64)]* ')' | |||
8360 | bool LLParser::ParseTypeTests(std::vector<GlobalValue::GUID> &TypeTests) { | |||
8361 | assert(Lex.getKind() == lltok::kw_typeTests)((Lex.getKind() == lltok::kw_typeTests) ? static_cast<void > (0) : __assert_fail ("Lex.getKind() == lltok::kw_typeTests" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 8361, __PRETTY_FUNCTION__)); | |||
8362 | Lex.Lex(); | |||
8363 | ||||
8364 | if (ParseToken(lltok::colon, "expected ':' here") || | |||
8365 | ParseToken(lltok::lparen, "expected '(' in typeIdInfo")) | |||
8366 | return true; | |||
8367 | ||||
8368 | IdToIndexMapType IdToIndexMap; | |||
8369 | do { | |||
8370 | GlobalValue::GUID GUID = 0; | |||
8371 | if (Lex.getKind() == lltok::SummaryID) { | |||
8372 | unsigned ID = Lex.getUIntVal(); | |||
8373 | LocTy Loc = Lex.getLoc(); | |||
8374 | // Keep track of the TypeTests array index needing a forward reference. | |||
8375 | // We will save the location of the GUID needing an update, but | |||
8376 | // can only do so once the std::vector is finalized. | |||
8377 | IdToIndexMap[ID].push_back(std::make_pair(TypeTests.size(), Loc)); | |||
8378 | Lex.Lex(); | |||
8379 | } else if (ParseUInt64(GUID)) | |||
8380 | return true; | |||
8381 | TypeTests.push_back(GUID); | |||
8382 | } while (EatIfPresent(lltok::comma)); | |||
8383 | ||||
8384 | // Now that the TypeTests vector is finalized, it is safe to save the | |||
8385 | // locations of any forward GV references that need updating later. | |||
8386 | for (auto I : IdToIndexMap) { | |||
8387 | for (auto P : I.second) { | |||
8388 | assert(TypeTests[P.first] == 0 &&((TypeTests[P.first] == 0 && "Forward referenced type id GUID expected to be 0" ) ? static_cast<void> (0) : __assert_fail ("TypeTests[P.first] == 0 && \"Forward referenced type id GUID expected to be 0\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 8389, __PRETTY_FUNCTION__)) | |||
8389 | "Forward referenced type id GUID expected to be 0")((TypeTests[P.first] == 0 && "Forward referenced type id GUID expected to be 0" ) ? static_cast<void> (0) : __assert_fail ("TypeTests[P.first] == 0 && \"Forward referenced type id GUID expected to be 0\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 8389, __PRETTY_FUNCTION__)); | |||
8390 | auto FwdRef = ForwardRefTypeIds.insert(std::make_pair( | |||
8391 | I.first, std::vector<std::pair<GlobalValue::GUID *, LocTy>>())); | |||
8392 | FwdRef.first->second.push_back( | |||
8393 | std::make_pair(&TypeTests[P.first], P.second)); | |||
8394 | } | |||
8395 | } | |||
8396 | ||||
8397 | if (ParseToken(lltok::rparen, "expected ')' in typeIdInfo")) | |||
8398 | return true; | |||
8399 | ||||
8400 | return false; | |||
8401 | } | |||
8402 | ||||
8403 | /// VFuncIdList | |||
8404 | /// ::= Kind ':' '(' VFuncId [',' VFuncId]* ')' | |||
8405 | bool LLParser::ParseVFuncIdList( | |||
8406 | lltok::Kind Kind, std::vector<FunctionSummary::VFuncId> &VFuncIdList) { | |||
8407 | assert(Lex.getKind() == Kind)((Lex.getKind() == Kind) ? static_cast<void> (0) : __assert_fail ("Lex.getKind() == Kind", "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 8407, __PRETTY_FUNCTION__)); | |||
8408 | Lex.Lex(); | |||
8409 | ||||
8410 | if (ParseToken(lltok::colon, "expected ':' here") || | |||
8411 | ParseToken(lltok::lparen, "expected '(' here")) | |||
8412 | return true; | |||
8413 | ||||
8414 | IdToIndexMapType IdToIndexMap; | |||
8415 | do { | |||
8416 | FunctionSummary::VFuncId VFuncId; | |||
8417 | if (ParseVFuncId(VFuncId, IdToIndexMap, VFuncIdList.size())) | |||
8418 | return true; | |||
8419 | VFuncIdList.push_back(VFuncId); | |||
8420 | } while (EatIfPresent(lltok::comma)); | |||
8421 | ||||
8422 | if (ParseToken(lltok::rparen, "expected ')' here")) | |||
8423 | return true; | |||
8424 | ||||
8425 | // Now that the VFuncIdList vector is finalized, it is safe to save the | |||
8426 | // locations of any forward GV references that need updating later. | |||
8427 | for (auto I : IdToIndexMap) { | |||
8428 | for (auto P : I.second) { | |||
8429 | assert(VFuncIdList[P.first].GUID == 0 &&((VFuncIdList[P.first].GUID == 0 && "Forward referenced type id GUID expected to be 0" ) ? static_cast<void> (0) : __assert_fail ("VFuncIdList[P.first].GUID == 0 && \"Forward referenced type id GUID expected to be 0\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 8430, __PRETTY_FUNCTION__)) | |||
8430 | "Forward referenced type id GUID expected to be 0")((VFuncIdList[P.first].GUID == 0 && "Forward referenced type id GUID expected to be 0" ) ? static_cast<void> (0) : __assert_fail ("VFuncIdList[P.first].GUID == 0 && \"Forward referenced type id GUID expected to be 0\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 8430, __PRETTY_FUNCTION__)); | |||
8431 | auto FwdRef = ForwardRefTypeIds.insert(std::make_pair( | |||
8432 | I.first, std::vector<std::pair<GlobalValue::GUID *, LocTy>>())); | |||
8433 | FwdRef.first->second.push_back( | |||
8434 | std::make_pair(&VFuncIdList[P.first].GUID, P.second)); | |||
8435 | } | |||
8436 | } | |||
8437 | ||||
8438 | return false; | |||
8439 | } | |||
8440 | ||||
8441 | /// ConstVCallList | |||
8442 | /// ::= Kind ':' '(' ConstVCall [',' ConstVCall]* ')' | |||
8443 | bool LLParser::ParseConstVCallList( | |||
8444 | lltok::Kind Kind, | |||
8445 | std::vector<FunctionSummary::ConstVCall> &ConstVCallList) { | |||
8446 | assert(Lex.getKind() == Kind)((Lex.getKind() == Kind) ? static_cast<void> (0) : __assert_fail ("Lex.getKind() == Kind", "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 8446, __PRETTY_FUNCTION__)); | |||
8447 | Lex.Lex(); | |||
8448 | ||||
8449 | if (ParseToken(lltok::colon, "expected ':' here") || | |||
8450 | ParseToken(lltok::lparen, "expected '(' here")) | |||
8451 | return true; | |||
8452 | ||||
8453 | IdToIndexMapType IdToIndexMap; | |||
8454 | do { | |||
8455 | FunctionSummary::ConstVCall ConstVCall; | |||
8456 | if (ParseConstVCall(ConstVCall, IdToIndexMap, ConstVCallList.size())) | |||
8457 | return true; | |||
8458 | ConstVCallList.push_back(ConstVCall); | |||
8459 | } while (EatIfPresent(lltok::comma)); | |||
8460 | ||||
8461 | if (ParseToken(lltok::rparen, "expected ')' here")) | |||
8462 | return true; | |||
8463 | ||||
8464 | // Now that the ConstVCallList vector is finalized, it is safe to save the | |||
8465 | // locations of any forward GV references that need updating later. | |||
8466 | for (auto I : IdToIndexMap) { | |||
8467 | for (auto P : I.second) { | |||
8468 | assert(ConstVCallList[P.first].VFunc.GUID == 0 &&((ConstVCallList[P.first].VFunc.GUID == 0 && "Forward referenced type id GUID expected to be 0" ) ? static_cast<void> (0) : __assert_fail ("ConstVCallList[P.first].VFunc.GUID == 0 && \"Forward referenced type id GUID expected to be 0\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 8469, __PRETTY_FUNCTION__)) | |||
8469 | "Forward referenced type id GUID expected to be 0")((ConstVCallList[P.first].VFunc.GUID == 0 && "Forward referenced type id GUID expected to be 0" ) ? static_cast<void> (0) : __assert_fail ("ConstVCallList[P.first].VFunc.GUID == 0 && \"Forward referenced type id GUID expected to be 0\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 8469, __PRETTY_FUNCTION__)); | |||
8470 | auto FwdRef = ForwardRefTypeIds.insert(std::make_pair( | |||
8471 | I.first, std::vector<std::pair<GlobalValue::GUID *, LocTy>>())); | |||
8472 | FwdRef.first->second.push_back( | |||
8473 | std::make_pair(&ConstVCallList[P.first].VFunc.GUID, P.second)); | |||
8474 | } | |||
8475 | } | |||
8476 | ||||
8477 | return false; | |||
8478 | } | |||
8479 | ||||
8480 | /// ConstVCall | |||
8481 | /// ::= '(' VFuncId ',' Args ')' | |||
8482 | bool LLParser::ParseConstVCall(FunctionSummary::ConstVCall &ConstVCall, | |||
8483 | IdToIndexMapType &IdToIndexMap, unsigned Index) { | |||
8484 | if (ParseToken(lltok::lparen, "expected '(' here") || | |||
8485 | ParseVFuncId(ConstVCall.VFunc, IdToIndexMap, Index)) | |||
8486 | return true; | |||
8487 | ||||
8488 | if (EatIfPresent(lltok::comma)) | |||
8489 | if (ParseArgs(ConstVCall.Args)) | |||
8490 | return true; | |||
8491 | ||||
8492 | if (ParseToken(lltok::rparen, "expected ')' here")) | |||
8493 | return true; | |||
8494 | ||||
8495 | return false; | |||
8496 | } | |||
8497 | ||||
8498 | /// VFuncId | |||
8499 | /// ::= 'vFuncId' ':' '(' (SummaryID | 'guid' ':' UInt64) ',' | |||
8500 | /// 'offset' ':' UInt64 ')' | |||
8501 | bool LLParser::ParseVFuncId(FunctionSummary::VFuncId &VFuncId, | |||
8502 | IdToIndexMapType &IdToIndexMap, unsigned Index) { | |||
8503 | assert(Lex.getKind() == lltok::kw_vFuncId)((Lex.getKind() == lltok::kw_vFuncId) ? static_cast<void> (0) : __assert_fail ("Lex.getKind() == lltok::kw_vFuncId", "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 8503, __PRETTY_FUNCTION__)); | |||
8504 | Lex.Lex(); | |||
8505 | ||||
8506 | if (ParseToken(lltok::colon, "expected ':' here") || | |||
8507 | ParseToken(lltok::lparen, "expected '(' here")) | |||
8508 | return true; | |||
8509 | ||||
8510 | if (Lex.getKind() == lltok::SummaryID) { | |||
8511 | VFuncId.GUID = 0; | |||
8512 | unsigned ID = Lex.getUIntVal(); | |||
8513 | LocTy Loc = Lex.getLoc(); | |||
8514 | // Keep track of the array index needing a forward reference. | |||
8515 | // We will save the location of the GUID needing an update, but | |||
8516 | // can only do so once the caller's std::vector is finalized. | |||
8517 | IdToIndexMap[ID].push_back(std::make_pair(Index, Loc)); | |||
8518 | Lex.Lex(); | |||
8519 | } else if (ParseToken(lltok::kw_guid, "expected 'guid' here") || | |||
8520 | ParseToken(lltok::colon, "expected ':' here") || | |||
8521 | ParseUInt64(VFuncId.GUID)) | |||
8522 | return true; | |||
8523 | ||||
8524 | if (ParseToken(lltok::comma, "expected ',' here") || | |||
8525 | ParseToken(lltok::kw_offset, "expected 'offset' here") || | |||
8526 | ParseToken(lltok::colon, "expected ':' here") || | |||
8527 | ParseUInt64(VFuncId.Offset) || | |||
8528 | ParseToken(lltok::rparen, "expected ')' here")) | |||
8529 | return true; | |||
8530 | ||||
8531 | return false; | |||
8532 | } | |||
8533 | ||||
8534 | /// GVFlags | |||
8535 | /// ::= 'flags' ':' '(' 'linkage' ':' OptionalLinkageAux ',' | |||
8536 | /// 'notEligibleToImport' ':' Flag ',' 'live' ':' Flag ',' | |||
8537 | /// 'dsoLocal' ':' Flag ',' 'canAutoHide' ':' Flag ')' | |||
8538 | bool LLParser::ParseGVFlags(GlobalValueSummary::GVFlags &GVFlags) { | |||
8539 | assert(Lex.getKind() == lltok::kw_flags)((Lex.getKind() == lltok::kw_flags) ? static_cast<void> (0) : __assert_fail ("Lex.getKind() == lltok::kw_flags", "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 8539, __PRETTY_FUNCTION__)); | |||
8540 | Lex.Lex(); | |||
8541 | ||||
8542 | if (ParseToken(lltok::colon, "expected ':' here") || | |||
8543 | ParseToken(lltok::lparen, "expected '(' here")) | |||
8544 | return true; | |||
8545 | ||||
8546 | do { | |||
8547 | unsigned Flag = 0; | |||
8548 | switch (Lex.getKind()) { | |||
8549 | case lltok::kw_linkage: | |||
8550 | Lex.Lex(); | |||
8551 | if (ParseToken(lltok::colon, "expected ':'")) | |||
8552 | return true; | |||
8553 | bool HasLinkage; | |||
8554 | GVFlags.Linkage = parseOptionalLinkageAux(Lex.getKind(), HasLinkage); | |||
8555 | assert(HasLinkage && "Linkage not optional in summary entry")((HasLinkage && "Linkage not optional in summary entry" ) ? static_cast<void> (0) : __assert_fail ("HasLinkage && \"Linkage not optional in summary entry\"" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 8555, __PRETTY_FUNCTION__)); | |||
8556 | Lex.Lex(); | |||
8557 | break; | |||
8558 | case lltok::kw_notEligibleToImport: | |||
8559 | Lex.Lex(); | |||
8560 | if (ParseToken(lltok::colon, "expected ':'") || ParseFlag(Flag)) | |||
8561 | return true; | |||
8562 | GVFlags.NotEligibleToImport = Flag; | |||
8563 | break; | |||
8564 | case lltok::kw_live: | |||
8565 | Lex.Lex(); | |||
8566 | if (ParseToken(lltok::colon, "expected ':'") || ParseFlag(Flag)) | |||
8567 | return true; | |||
8568 | GVFlags.Live = Flag; | |||
8569 | break; | |||
8570 | case lltok::kw_dsoLocal: | |||
8571 | Lex.Lex(); | |||
8572 | if (ParseToken(lltok::colon, "expected ':'") || ParseFlag(Flag)) | |||
8573 | return true; | |||
8574 | GVFlags.DSOLocal = Flag; | |||
8575 | break; | |||
8576 | case lltok::kw_canAutoHide: | |||
8577 | Lex.Lex(); | |||
8578 | if (ParseToken(lltok::colon, "expected ':'") || ParseFlag(Flag)) | |||
8579 | return true; | |||
8580 | GVFlags.CanAutoHide = Flag; | |||
8581 | break; | |||
8582 | default: | |||
8583 | return Error(Lex.getLoc(), "expected gv flag type"); | |||
8584 | } | |||
8585 | } while (EatIfPresent(lltok::comma)); | |||
8586 | ||||
8587 | if (ParseToken(lltok::rparen, "expected ')' here")) | |||
8588 | return true; | |||
8589 | ||||
8590 | return false; | |||
8591 | } | |||
8592 | ||||
8593 | /// GVarFlags | |||
8594 | /// ::= 'varFlags' ':' '(' 'readonly' ':' Flag ')' | |||
8595 | bool LLParser::ParseGVarFlags(GlobalVarSummary::GVarFlags &GVarFlags) { | |||
8596 | assert(Lex.getKind() == lltok::kw_varFlags)((Lex.getKind() == lltok::kw_varFlags) ? static_cast<void> (0) : __assert_fail ("Lex.getKind() == lltok::kw_varFlags", "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 8596, __PRETTY_FUNCTION__)); | |||
8597 | Lex.Lex(); | |||
8598 | ||||
8599 | unsigned Flag = 0; | |||
8600 | if (ParseToken(lltok::colon, "expected ':' here") || | |||
8601 | ParseToken(lltok::lparen, "expected '(' here") || | |||
8602 | ParseToken(lltok::kw_readonly, "expected 'readonly' here") || | |||
8603 | ParseToken(lltok::colon, "expected ':' here")) | |||
8604 | return true; | |||
8605 | ||||
8606 | ParseFlag(Flag); | |||
8607 | GVarFlags.ReadOnly = Flag; | |||
8608 | ||||
8609 | if (ParseToken(lltok::rparen, "expected ')' here")) | |||
8610 | return true; | |||
8611 | return false; | |||
8612 | } | |||
8613 | ||||
8614 | /// ModuleReference | |||
8615 | /// ::= 'module' ':' UInt | |||
8616 | bool LLParser::ParseModuleReference(StringRef &ModulePath) { | |||
8617 | // Parse module id. | |||
8618 | if (ParseToken(lltok::kw_module, "expected 'module' here") || | |||
8619 | ParseToken(lltok::colon, "expected ':' here") || | |||
8620 | ParseToken(lltok::SummaryID, "expected module ID")) | |||
8621 | return true; | |||
8622 | ||||
8623 | unsigned ModuleID = Lex.getUIntVal(); | |||
8624 | auto I = ModuleIdMap.find(ModuleID); | |||
8625 | // We should have already parsed all module IDs | |||
8626 | assert(I != ModuleIdMap.end())((I != ModuleIdMap.end()) ? static_cast<void> (0) : __assert_fail ("I != ModuleIdMap.end()", "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 8626, __PRETTY_FUNCTION__)); | |||
8627 | ModulePath = I->second; | |||
8628 | return false; | |||
8629 | } | |||
8630 | ||||
8631 | /// GVReference | |||
8632 | /// ::= SummaryID | |||
8633 | bool LLParser::ParseGVReference(ValueInfo &VI, unsigned &GVId) { | |||
8634 | bool ReadOnly = EatIfPresent(lltok::kw_readonly); | |||
8635 | if (ParseToken(lltok::SummaryID, "expected GV ID")) | |||
8636 | return true; | |||
8637 | ||||
8638 | GVId = Lex.getUIntVal(); | |||
8639 | // Check if we already have a VI for this GV | |||
8640 | if (GVId < NumberedValueInfos.size()) { | |||
8641 | assert(NumberedValueInfos[GVId].getRef() != FwdVIRef)((NumberedValueInfos[GVId].getRef() != FwdVIRef) ? static_cast <void> (0) : __assert_fail ("NumberedValueInfos[GVId].getRef() != FwdVIRef" , "/build/llvm-toolchain-snapshot-9~svn362543/lib/AsmParser/LLParser.cpp" , 8641, __PRETTY_FUNCTION__)); | |||
8642 | VI = NumberedValueInfos[GVId]; | |||
8643 | } else | |||
8644 | // We will create a forward reference to the stored location. | |||
8645 | VI = ValueInfo(false, FwdVIRef); | |||
8646 | ||||
8647 | if (ReadOnly) | |||
8648 | VI.setReadOnly(); | |||
8649 | return false; | |||
8650 | } |