File: | build/llvm-toolchain-snapshot-15~++20220420111733+e13d2efed663/llvm/lib/TableGen/Record.cpp |
Warning: | line 849, column 25 Called C++ object pointer is null |
Press '?' to see keyboard shortcuts
Keyboard shortcuts:
1 | //===- Record.cpp - Record implementation ---------------------------------===// | |||
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 | // Implement the tablegen record classes. | |||
10 | // | |||
11 | //===----------------------------------------------------------------------===// | |||
12 | ||||
13 | #include "llvm/TableGen/Record.h" | |||
14 | #include "RecordContext.h" | |||
15 | #include "llvm/ADT/ArrayRef.h" | |||
16 | #include "llvm/ADT/DenseMap.h" | |||
17 | #include "llvm/ADT/FoldingSet.h" | |||
18 | #include "llvm/ADT/SmallString.h" | |||
19 | #include "llvm/ADT/SmallVector.h" | |||
20 | #include "llvm/ADT/StringExtras.h" | |||
21 | #include "llvm/ADT/StringMap.h" | |||
22 | #include "llvm/ADT/StringRef.h" | |||
23 | #include "llvm/Config/llvm-config.h" | |||
24 | #include "llvm/Support/Allocator.h" | |||
25 | #include "llvm/Support/Casting.h" | |||
26 | #include "llvm/Support/Compiler.h" | |||
27 | #include "llvm/Support/ErrorHandling.h" | |||
28 | #include "llvm/Support/ManagedStatic.h" | |||
29 | #include "llvm/Support/SMLoc.h" | |||
30 | #include "llvm/Support/raw_ostream.h" | |||
31 | #include "llvm/TableGen/Error.h" | |||
32 | #include <cassert> | |||
33 | #include <cstdint> | |||
34 | #include <map> | |||
35 | #include <memory> | |||
36 | #include <string> | |||
37 | #include <utility> | |||
38 | #include <vector> | |||
39 | ||||
40 | using namespace llvm; | |||
41 | ||||
42 | #define DEBUG_TYPE"tblgen-records" "tblgen-records" | |||
43 | ||||
44 | //===----------------------------------------------------------------------===// | |||
45 | // Context | |||
46 | //===----------------------------------------------------------------------===// | |||
47 | ||||
48 | namespace llvm { | |||
49 | namespace detail { | |||
50 | /// This class contains all of the contextual static state of the Record | |||
51 | /// classes. This allows for better lifetime management and control of the used | |||
52 | /// static data. | |||
53 | struct RecordContext { | |||
54 | RecordContext() | |||
55 | : AnyRecord(0), TrueBitInit(true, &SharedBitRecTy), | |||
56 | FalseBitInit(false, &SharedBitRecTy), StringInitStringPool(Allocator), | |||
57 | StringInitCodePool(Allocator), LastRecordID(0) {} | |||
58 | ||||
59 | BumpPtrAllocator Allocator; | |||
60 | std::vector<BitsRecTy *> SharedBitsRecTys; | |||
61 | BitRecTy SharedBitRecTy; | |||
62 | IntRecTy SharedIntRecTy; | |||
63 | StringRecTy SharedStringRecTy; | |||
64 | DagRecTy SharedDagRecTy; | |||
65 | ||||
66 | RecordRecTy AnyRecord; | |||
67 | UnsetInit TheUnsetInit; | |||
68 | BitInit TrueBitInit; | |||
69 | BitInit FalseBitInit; | |||
70 | ||||
71 | FoldingSet<BitsInit> TheBitsInitPool; | |||
72 | std::map<int64_t, IntInit *> TheIntInitPool; | |||
73 | StringMap<StringInit *, BumpPtrAllocator &> StringInitStringPool; | |||
74 | StringMap<StringInit *, BumpPtrAllocator &> StringInitCodePool; | |||
75 | FoldingSet<ListInit> TheListInitPool; | |||
76 | FoldingSet<UnOpInit> TheUnOpInitPool; | |||
77 | FoldingSet<BinOpInit> TheBinOpInitPool; | |||
78 | FoldingSet<TernOpInit> TheTernOpInitPool; | |||
79 | FoldingSet<FoldOpInit> TheFoldOpInitPool; | |||
80 | FoldingSet<IsAOpInit> TheIsAOpInitPool; | |||
81 | DenseMap<std::pair<RecTy *, Init *>, VarInit *> TheVarInitPool; | |||
82 | DenseMap<std::pair<TypedInit *, unsigned>, VarBitInit *> TheVarBitInitPool; | |||
83 | DenseMap<std::pair<TypedInit *, unsigned>, VarListElementInit *> | |||
84 | TheVarListElementInitPool; | |||
85 | FoldingSet<VarDefInit> TheVarDefInitPool; | |||
86 | DenseMap<std::pair<Init *, StringInit *>, FieldInit *> TheFieldInitPool; | |||
87 | FoldingSet<CondOpInit> TheCondOpInitPool; | |||
88 | FoldingSet<DagInit> TheDagInitPool; | |||
89 | ||||
90 | unsigned LastRecordID; | |||
91 | }; | |||
92 | } // namespace detail | |||
93 | } // namespace llvm | |||
94 | ||||
95 | ManagedStatic<detail::RecordContext> Context; | |||
96 | ||||
97 | void llvm::detail::resetTablegenRecordContext() { Context.destroy(); } | |||
98 | ||||
99 | //===----------------------------------------------------------------------===// | |||
100 | // Type implementations | |||
101 | //===----------------------------------------------------------------------===// | |||
102 | ||||
103 | #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) | |||
104 | LLVM_DUMP_METHOD__attribute__((noinline)) __attribute__((__used__)) void RecTy::dump() const { print(errs()); } | |||
105 | #endif | |||
106 | ||||
107 | ListRecTy *RecTy::getListTy() { | |||
108 | if (!ListTy) | |||
109 | ListTy = new(Context->Allocator) ListRecTy(this); | |||
110 | return ListTy; | |||
111 | } | |||
112 | ||||
113 | bool RecTy::typeIsConvertibleTo(const RecTy *RHS) const { | |||
114 | assert(RHS && "NULL pointer")(static_cast <bool> (RHS && "NULL pointer") ? void (0) : __assert_fail ("RHS && \"NULL pointer\"", "llvm/lib/TableGen/Record.cpp" , 114, __extension__ __PRETTY_FUNCTION__)); | |||
115 | return Kind == RHS->getRecTyKind(); | |||
116 | } | |||
117 | ||||
118 | bool RecTy::typeIsA(const RecTy *RHS) const { return this == RHS; } | |||
119 | ||||
120 | BitRecTy *BitRecTy::get() { return &Context->SharedBitRecTy; } | |||
121 | ||||
122 | bool BitRecTy::typeIsConvertibleTo(const RecTy *RHS) const{ | |||
123 | if (RecTy::typeIsConvertibleTo(RHS) || RHS->getRecTyKind() == IntRecTyKind) | |||
124 | return true; | |||
125 | if (const BitsRecTy *BitsTy = dyn_cast<BitsRecTy>(RHS)) | |||
126 | return BitsTy->getNumBits() == 1; | |||
127 | return false; | |||
128 | } | |||
129 | ||||
130 | BitsRecTy *BitsRecTy::get(unsigned Sz) { | |||
131 | if (Sz >= Context->SharedBitsRecTys.size()) | |||
132 | Context->SharedBitsRecTys.resize(Sz + 1); | |||
133 | BitsRecTy *&Ty = Context->SharedBitsRecTys[Sz]; | |||
134 | if (!Ty) | |||
135 | Ty = new (Context->Allocator) BitsRecTy(Sz); | |||
136 | return Ty; | |||
137 | } | |||
138 | ||||
139 | std::string BitsRecTy::getAsString() const { | |||
140 | return "bits<" + utostr(Size) + ">"; | |||
141 | } | |||
142 | ||||
143 | bool BitsRecTy::typeIsConvertibleTo(const RecTy *RHS) const { | |||
144 | if (RecTy::typeIsConvertibleTo(RHS)) //argument and the sender are same type | |||
145 | return cast<BitsRecTy>(RHS)->Size == Size; | |||
146 | RecTyKind kind = RHS->getRecTyKind(); | |||
147 | return (kind == BitRecTyKind && Size == 1) || (kind == IntRecTyKind); | |||
148 | } | |||
149 | ||||
150 | bool BitsRecTy::typeIsA(const RecTy *RHS) const { | |||
151 | if (const BitsRecTy *RHSb = dyn_cast<BitsRecTy>(RHS)) | |||
152 | return RHSb->Size == Size; | |||
153 | return false; | |||
154 | } | |||
155 | ||||
156 | IntRecTy *IntRecTy::get() { return &Context->SharedIntRecTy; } | |||
157 | ||||
158 | bool IntRecTy::typeIsConvertibleTo(const RecTy *RHS) const { | |||
159 | RecTyKind kind = RHS->getRecTyKind(); | |||
160 | return kind==BitRecTyKind || kind==BitsRecTyKind || kind==IntRecTyKind; | |||
161 | } | |||
162 | ||||
163 | StringRecTy *StringRecTy::get() { return &Context->SharedStringRecTy; } | |||
164 | ||||
165 | std::string StringRecTy::getAsString() const { | |||
166 | return "string"; | |||
167 | } | |||
168 | ||||
169 | bool StringRecTy::typeIsConvertibleTo(const RecTy *RHS) const { | |||
170 | RecTyKind Kind = RHS->getRecTyKind(); | |||
171 | return Kind == StringRecTyKind; | |||
172 | } | |||
173 | ||||
174 | std::string ListRecTy::getAsString() const { | |||
175 | return "list<" + ElementTy->getAsString() + ">"; | |||
176 | } | |||
177 | ||||
178 | bool ListRecTy::typeIsConvertibleTo(const RecTy *RHS) const { | |||
179 | if (const auto *ListTy = dyn_cast<ListRecTy>(RHS)) | |||
180 | return ElementTy->typeIsConvertibleTo(ListTy->getElementType()); | |||
181 | return false; | |||
182 | } | |||
183 | ||||
184 | bool ListRecTy::typeIsA(const RecTy *RHS) const { | |||
185 | if (const ListRecTy *RHSl = dyn_cast<ListRecTy>(RHS)) | |||
186 | return getElementType()->typeIsA(RHSl->getElementType()); | |||
187 | return false; | |||
188 | } | |||
189 | ||||
190 | DagRecTy *DagRecTy::get() { return &Context->SharedDagRecTy; } | |||
191 | ||||
192 | std::string DagRecTy::getAsString() const { | |||
193 | return "dag"; | |||
194 | } | |||
195 | ||||
196 | static void ProfileRecordRecTy(FoldingSetNodeID &ID, | |||
197 | ArrayRef<Record *> Classes) { | |||
198 | ID.AddInteger(Classes.size()); | |||
199 | for (Record *R : Classes) | |||
200 | ID.AddPointer(R); | |||
201 | } | |||
202 | ||||
203 | RecordRecTy *RecordRecTy::get(ArrayRef<Record *> UnsortedClasses) { | |||
204 | if (UnsortedClasses.empty()) | |||
205 | return &Context->AnyRecord; | |||
206 | ||||
207 | FoldingSet<RecordRecTy> &ThePool = | |||
208 | UnsortedClasses[0]->getRecords().RecordTypePool; | |||
209 | ||||
210 | SmallVector<Record *, 4> Classes(UnsortedClasses.begin(), | |||
211 | UnsortedClasses.end()); | |||
212 | llvm::sort(Classes, [](Record *LHS, Record *RHS) { | |||
213 | return LHS->getNameInitAsString() < RHS->getNameInitAsString(); | |||
214 | }); | |||
215 | ||||
216 | FoldingSetNodeID ID; | |||
217 | ProfileRecordRecTy(ID, Classes); | |||
218 | ||||
219 | void *IP = nullptr; | |||
220 | if (RecordRecTy *Ty = ThePool.FindNodeOrInsertPos(ID, IP)) | |||
221 | return Ty; | |||
222 | ||||
223 | #ifndef NDEBUG | |||
224 | // Check for redundancy. | |||
225 | for (unsigned i = 0; i < Classes.size(); ++i) { | |||
226 | for (unsigned j = 0; j < Classes.size(); ++j) { | |||
227 | assert(i == j || !Classes[i]->isSubClassOf(Classes[j]))(static_cast <bool> (i == j || !Classes[i]->isSubClassOf (Classes[j])) ? void (0) : __assert_fail ("i == j || !Classes[i]->isSubClassOf(Classes[j])" , "llvm/lib/TableGen/Record.cpp", 227, __extension__ __PRETTY_FUNCTION__ )); | |||
228 | } | |||
229 | assert(&Classes[0]->getRecords() == &Classes[i]->getRecords())(static_cast <bool> (&Classes[0]->getRecords() == &Classes[i]->getRecords()) ? void (0) : __assert_fail ("&Classes[0]->getRecords() == &Classes[i]->getRecords()" , "llvm/lib/TableGen/Record.cpp", 229, __extension__ __PRETTY_FUNCTION__ )); | |||
230 | } | |||
231 | #endif | |||
232 | ||||
233 | void *Mem = Context->Allocator.Allocate( | |||
234 | totalSizeToAlloc<Record *>(Classes.size()), alignof(RecordRecTy)); | |||
235 | RecordRecTy *Ty = new(Mem) RecordRecTy(Classes.size()); | |||
236 | std::uninitialized_copy(Classes.begin(), Classes.end(), | |||
237 | Ty->getTrailingObjects<Record *>()); | |||
238 | ThePool.InsertNode(Ty, IP); | |||
239 | return Ty; | |||
240 | } | |||
241 | ||||
242 | void RecordRecTy::Profile(FoldingSetNodeID &ID) const { | |||
243 | ProfileRecordRecTy(ID, getClasses()); | |||
244 | } | |||
245 | ||||
246 | std::string RecordRecTy::getAsString() const { | |||
247 | if (NumClasses == 1) | |||
248 | return getClasses()[0]->getNameInitAsString(); | |||
249 | ||||
250 | std::string Str = "{"; | |||
251 | bool First = true; | |||
252 | for (Record *R : getClasses()) { | |||
253 | if (!First) | |||
254 | Str += ", "; | |||
255 | First = false; | |||
256 | Str += R->getNameInitAsString(); | |||
257 | } | |||
258 | Str += "}"; | |||
259 | return Str; | |||
260 | } | |||
261 | ||||
262 | bool RecordRecTy::isSubClassOf(Record *Class) const { | |||
263 | return llvm::any_of(getClasses(), [Class](Record *MySuperClass) { | |||
264 | return MySuperClass == Class || | |||
265 | MySuperClass->isSubClassOf(Class); | |||
266 | }); | |||
267 | } | |||
268 | ||||
269 | bool RecordRecTy::typeIsConvertibleTo(const RecTy *RHS) const { | |||
270 | if (this == RHS) | |||
271 | return true; | |||
272 | ||||
273 | const RecordRecTy *RTy = dyn_cast<RecordRecTy>(RHS); | |||
274 | if (!RTy) | |||
275 | return false; | |||
276 | ||||
277 | return llvm::all_of(RTy->getClasses(), [this](Record *TargetClass) { | |||
278 | return isSubClassOf(TargetClass); | |||
279 | }); | |||
280 | } | |||
281 | ||||
282 | bool RecordRecTy::typeIsA(const RecTy *RHS) const { | |||
283 | return typeIsConvertibleTo(RHS); | |||
284 | } | |||
285 | ||||
286 | static RecordRecTy *resolveRecordTypes(RecordRecTy *T1, RecordRecTy *T2) { | |||
287 | SmallVector<Record *, 4> CommonSuperClasses; | |||
288 | SmallVector<Record *, 4> Stack(T1->classes_begin(), T1->classes_end()); | |||
289 | ||||
290 | while (!Stack.empty()) { | |||
291 | Record *R = Stack.pop_back_val(); | |||
292 | ||||
293 | if (T2->isSubClassOf(R)) { | |||
294 | CommonSuperClasses.push_back(R); | |||
295 | } else { | |||
296 | R->getDirectSuperClasses(Stack); | |||
297 | } | |||
298 | } | |||
299 | ||||
300 | return RecordRecTy::get(CommonSuperClasses); | |||
301 | } | |||
302 | ||||
303 | RecTy *llvm::resolveTypes(RecTy *T1, RecTy *T2) { | |||
304 | if (T1 == T2) | |||
305 | return T1; | |||
306 | ||||
307 | if (RecordRecTy *RecTy1 = dyn_cast<RecordRecTy>(T1)) { | |||
308 | if (RecordRecTy *RecTy2 = dyn_cast<RecordRecTy>(T2)) | |||
309 | return resolveRecordTypes(RecTy1, RecTy2); | |||
310 | } | |||
311 | ||||
312 | if (T1->typeIsConvertibleTo(T2)) | |||
313 | return T2; | |||
314 | if (T2->typeIsConvertibleTo(T1)) | |||
315 | return T1; | |||
316 | ||||
317 | if (ListRecTy *ListTy1 = dyn_cast<ListRecTy>(T1)) { | |||
318 | if (ListRecTy *ListTy2 = dyn_cast<ListRecTy>(T2)) { | |||
319 | RecTy* NewType = resolveTypes(ListTy1->getElementType(), | |||
320 | ListTy2->getElementType()); | |||
321 | if (NewType) | |||
322 | return NewType->getListTy(); | |||
323 | } | |||
324 | } | |||
325 | ||||
326 | return nullptr; | |||
327 | } | |||
328 | ||||
329 | //===----------------------------------------------------------------------===// | |||
330 | // Initializer implementations | |||
331 | //===----------------------------------------------------------------------===// | |||
332 | ||||
333 | void Init::anchor() {} | |||
334 | ||||
335 | #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) | |||
336 | LLVM_DUMP_METHOD__attribute__((noinline)) __attribute__((__used__)) void Init::dump() const { return print(errs()); } | |||
337 | #endif | |||
338 | ||||
339 | UnsetInit *UnsetInit::get() { return &Context->TheUnsetInit; } | |||
340 | ||||
341 | Init *UnsetInit::getCastTo(RecTy *Ty) const { | |||
342 | return const_cast<UnsetInit *>(this); | |||
343 | } | |||
344 | ||||
345 | Init *UnsetInit::convertInitializerTo(RecTy *Ty) const { | |||
346 | return const_cast<UnsetInit *>(this); | |||
347 | } | |||
348 | ||||
349 | BitInit *BitInit::get(bool V) { | |||
350 | return V ? &Context->TrueBitInit : &Context->FalseBitInit; | |||
351 | } | |||
352 | ||||
353 | Init *BitInit::convertInitializerTo(RecTy *Ty) const { | |||
354 | if (isa<BitRecTy>(Ty)) | |||
355 | return const_cast<BitInit *>(this); | |||
356 | ||||
357 | if (isa<IntRecTy>(Ty)) | |||
358 | return IntInit::get(getValue()); | |||
359 | ||||
360 | if (auto *BRT = dyn_cast<BitsRecTy>(Ty)) { | |||
361 | // Can only convert single bit. | |||
362 | if (BRT->getNumBits() == 1) | |||
363 | return BitsInit::get(const_cast<BitInit *>(this)); | |||
364 | } | |||
365 | ||||
366 | return nullptr; | |||
367 | } | |||
368 | ||||
369 | static void | |||
370 | ProfileBitsInit(FoldingSetNodeID &ID, ArrayRef<Init *> Range) { | |||
371 | ID.AddInteger(Range.size()); | |||
372 | ||||
373 | for (Init *I : Range) | |||
374 | ID.AddPointer(I); | |||
375 | } | |||
376 | ||||
377 | BitsInit *BitsInit::get(ArrayRef<Init *> Range) { | |||
378 | FoldingSetNodeID ID; | |||
379 | ProfileBitsInit(ID, Range); | |||
380 | ||||
381 | void *IP = nullptr; | |||
382 | if (BitsInit *I = Context->TheBitsInitPool.FindNodeOrInsertPos(ID, IP)) | |||
383 | return I; | |||
384 | ||||
385 | void *Mem = Context->Allocator.Allocate( | |||
386 | totalSizeToAlloc<Init *>(Range.size()), alignof(BitsInit)); | |||
387 | BitsInit *I = new(Mem) BitsInit(Range.size()); | |||
388 | std::uninitialized_copy(Range.begin(), Range.end(), | |||
389 | I->getTrailingObjects<Init *>()); | |||
390 | Context->TheBitsInitPool.InsertNode(I, IP); | |||
391 | return I; | |||
392 | } | |||
393 | ||||
394 | void BitsInit::Profile(FoldingSetNodeID &ID) const { | |||
395 | ProfileBitsInit(ID, makeArrayRef(getTrailingObjects<Init *>(), NumBits)); | |||
396 | } | |||
397 | ||||
398 | Init *BitsInit::convertInitializerTo(RecTy *Ty) const { | |||
399 | if (isa<BitRecTy>(Ty)) { | |||
400 | if (getNumBits() != 1) return nullptr; // Only accept if just one bit! | |||
401 | return getBit(0); | |||
402 | } | |||
403 | ||||
404 | if (auto *BRT = dyn_cast<BitsRecTy>(Ty)) { | |||
405 | // If the number of bits is right, return it. Otherwise we need to expand | |||
406 | // or truncate. | |||
407 | if (getNumBits() != BRT->getNumBits()) return nullptr; | |||
408 | return const_cast<BitsInit *>(this); | |||
409 | } | |||
410 | ||||
411 | if (isa<IntRecTy>(Ty)) { | |||
412 | int64_t Result = 0; | |||
413 | for (unsigned i = 0, e = getNumBits(); i != e; ++i) | |||
414 | if (auto *Bit = dyn_cast<BitInit>(getBit(i))) | |||
415 | Result |= static_cast<int64_t>(Bit->getValue()) << i; | |||
416 | else | |||
417 | return nullptr; | |||
418 | return IntInit::get(Result); | |||
419 | } | |||
420 | ||||
421 | return nullptr; | |||
422 | } | |||
423 | ||||
424 | Init * | |||
425 | BitsInit::convertInitializerBitRange(ArrayRef<unsigned> Bits) const { | |||
426 | SmallVector<Init *, 16> NewBits(Bits.size()); | |||
427 | ||||
428 | for (unsigned i = 0, e = Bits.size(); i != e; ++i) { | |||
429 | if (Bits[i] >= getNumBits()) | |||
430 | return nullptr; | |||
431 | NewBits[i] = getBit(Bits[i]); | |||
432 | } | |||
433 | return BitsInit::get(NewBits); | |||
434 | } | |||
435 | ||||
436 | bool BitsInit::isConcrete() const { | |||
437 | for (unsigned i = 0, e = getNumBits(); i != e; ++i) { | |||
438 | if (!getBit(i)->isConcrete()) | |||
439 | return false; | |||
440 | } | |||
441 | return true; | |||
442 | } | |||
443 | ||||
444 | std::string BitsInit::getAsString() const { | |||
445 | std::string Result = "{ "; | |||
446 | for (unsigned i = 0, e = getNumBits(); i != e; ++i) { | |||
447 | if (i) Result += ", "; | |||
448 | if (Init *Bit = getBit(e-i-1)) | |||
449 | Result += Bit->getAsString(); | |||
450 | else | |||
451 | Result += "*"; | |||
452 | } | |||
453 | return Result + " }"; | |||
454 | } | |||
455 | ||||
456 | // resolveReferences - If there are any field references that refer to fields | |||
457 | // that have been filled in, we can propagate the values now. | |||
458 | Init *BitsInit::resolveReferences(Resolver &R) const { | |||
459 | bool Changed = false; | |||
460 | SmallVector<Init *, 16> NewBits(getNumBits()); | |||
461 | ||||
462 | Init *CachedBitVarRef = nullptr; | |||
463 | Init *CachedBitVarResolved = nullptr; | |||
464 | ||||
465 | for (unsigned i = 0, e = getNumBits(); i != e; ++i) { | |||
466 | Init *CurBit = getBit(i); | |||
467 | Init *NewBit = CurBit; | |||
468 | ||||
469 | if (VarBitInit *CurBitVar = dyn_cast<VarBitInit>(CurBit)) { | |||
470 | if (CurBitVar->getBitVar() != CachedBitVarRef) { | |||
471 | CachedBitVarRef = CurBitVar->getBitVar(); | |||
472 | CachedBitVarResolved = CachedBitVarRef->resolveReferences(R); | |||
473 | } | |||
474 | assert(CachedBitVarResolved && "Unresolved bitvar reference")(static_cast <bool> (CachedBitVarResolved && "Unresolved bitvar reference" ) ? void (0) : __assert_fail ("CachedBitVarResolved && \"Unresolved bitvar reference\"" , "llvm/lib/TableGen/Record.cpp", 474, __extension__ __PRETTY_FUNCTION__ )); | |||
475 | NewBit = CachedBitVarResolved->getBit(CurBitVar->getBitNum()); | |||
476 | } else { | |||
477 | // getBit(0) implicitly converts int and bits<1> values to bit. | |||
478 | NewBit = CurBit->resolveReferences(R)->getBit(0); | |||
479 | } | |||
480 | ||||
481 | if (isa<UnsetInit>(NewBit) && R.keepUnsetBits()) | |||
482 | NewBit = CurBit; | |||
483 | NewBits[i] = NewBit; | |||
484 | Changed |= CurBit != NewBit; | |||
485 | } | |||
486 | ||||
487 | if (Changed) | |||
488 | return BitsInit::get(NewBits); | |||
489 | ||||
490 | return const_cast<BitsInit *>(this); | |||
491 | } | |||
492 | ||||
493 | IntInit *IntInit::get(int64_t V) { | |||
494 | IntInit *&I = Context->TheIntInitPool[V]; | |||
495 | if (!I) | |||
496 | I = new (Context->Allocator) IntInit(V); | |||
497 | return I; | |||
498 | } | |||
499 | ||||
500 | std::string IntInit::getAsString() const { | |||
501 | return itostr(Value); | |||
502 | } | |||
503 | ||||
504 | static bool canFitInBitfield(int64_t Value, unsigned NumBits) { | |||
505 | // For example, with NumBits == 4, we permit Values from [-7 .. 15]. | |||
506 | return (NumBits >= sizeof(Value) * 8) || | |||
507 | (Value >> NumBits == 0) || (Value >> (NumBits-1) == -1); | |||
508 | } | |||
509 | ||||
510 | Init *IntInit::convertInitializerTo(RecTy *Ty) const { | |||
511 | if (isa<IntRecTy>(Ty)) | |||
512 | return const_cast<IntInit *>(this); | |||
513 | ||||
514 | if (isa<BitRecTy>(Ty)) { | |||
515 | int64_t Val = getValue(); | |||
516 | if (Val != 0 && Val != 1) return nullptr; // Only accept 0 or 1 for a bit! | |||
517 | return BitInit::get(Val != 0); | |||
518 | } | |||
519 | ||||
520 | if (auto *BRT = dyn_cast<BitsRecTy>(Ty)) { | |||
521 | int64_t Value = getValue(); | |||
522 | // Make sure this bitfield is large enough to hold the integer value. | |||
523 | if (!canFitInBitfield(Value, BRT->getNumBits())) | |||
524 | return nullptr; | |||
525 | ||||
526 | SmallVector<Init *, 16> NewBits(BRT->getNumBits()); | |||
527 | for (unsigned i = 0; i != BRT->getNumBits(); ++i) | |||
528 | NewBits[i] = BitInit::get(Value & ((i < 64) ? (1LL << i) : 0)); | |||
529 | ||||
530 | return BitsInit::get(NewBits); | |||
531 | } | |||
532 | ||||
533 | return nullptr; | |||
534 | } | |||
535 | ||||
536 | Init * | |||
537 | IntInit::convertInitializerBitRange(ArrayRef<unsigned> Bits) const { | |||
538 | SmallVector<Init *, 16> NewBits(Bits.size()); | |||
539 | ||||
540 | for (unsigned i = 0, e = Bits.size(); i != e; ++i) { | |||
541 | if (Bits[i] >= 64) | |||
542 | return nullptr; | |||
543 | ||||
544 | NewBits[i] = BitInit::get(Value & (INT64_C(1)1L << Bits[i])); | |||
545 | } | |||
546 | return BitsInit::get(NewBits); | |||
547 | } | |||
548 | ||||
549 | AnonymousNameInit *AnonymousNameInit::get(unsigned V) { | |||
550 | return new (Context->Allocator) AnonymousNameInit(V); | |||
551 | } | |||
552 | ||||
553 | StringInit *AnonymousNameInit::getNameInit() const { | |||
554 | return StringInit::get(getAsString()); | |||
555 | } | |||
556 | ||||
557 | std::string AnonymousNameInit::getAsString() const { | |||
558 | return "anonymous_" + utostr(Value); | |||
559 | } | |||
560 | ||||
561 | Init *AnonymousNameInit::resolveReferences(Resolver &R) const { | |||
562 | auto *Old = const_cast<Init *>(static_cast<const Init *>(this)); | |||
563 | auto *New = R.resolve(Old); | |||
564 | New = New ? New : Old; | |||
565 | if (R.isFinal()) | |||
566 | if (auto *Anonymous = dyn_cast<AnonymousNameInit>(New)) | |||
567 | return Anonymous->getNameInit(); | |||
568 | return New; | |||
569 | } | |||
570 | ||||
571 | StringInit *StringInit::get(StringRef V, StringFormat Fmt) { | |||
572 | auto &InitMap = Fmt == SF_String ? Context->StringInitStringPool | |||
573 | : Context->StringInitCodePool; | |||
574 | auto &Entry = *InitMap.insert(std::make_pair(V, nullptr)).first; | |||
575 | if (!Entry.second) | |||
576 | Entry.second = new (Context->Allocator) StringInit(Entry.getKey(), Fmt); | |||
577 | return Entry.second; | |||
578 | } | |||
579 | ||||
580 | Init *StringInit::convertInitializerTo(RecTy *Ty) const { | |||
581 | if (isa<StringRecTy>(Ty)) | |||
582 | return const_cast<StringInit *>(this); | |||
583 | ||||
584 | return nullptr; | |||
585 | } | |||
586 | ||||
587 | static void ProfileListInit(FoldingSetNodeID &ID, | |||
588 | ArrayRef<Init *> Range, | |||
589 | RecTy *EltTy) { | |||
590 | ID.AddInteger(Range.size()); | |||
591 | ID.AddPointer(EltTy); | |||
592 | ||||
593 | for (Init *I : Range) | |||
594 | ID.AddPointer(I); | |||
595 | } | |||
596 | ||||
597 | ListInit *ListInit::get(ArrayRef<Init *> Range, RecTy *EltTy) { | |||
598 | FoldingSetNodeID ID; | |||
599 | ProfileListInit(ID, Range, EltTy); | |||
600 | ||||
601 | void *IP = nullptr; | |||
602 | if (ListInit *I = Context->TheListInitPool.FindNodeOrInsertPos(ID, IP)) | |||
603 | return I; | |||
604 | ||||
605 | assert(Range.empty() || !isa<TypedInit>(Range[0]) ||(static_cast <bool> (Range.empty() || !isa<TypedInit >(Range[0]) || cast<TypedInit>(Range[0])->getType ()->typeIsConvertibleTo(EltTy)) ? void (0) : __assert_fail ("Range.empty() || !isa<TypedInit>(Range[0]) || cast<TypedInit>(Range[0])->getType()->typeIsConvertibleTo(EltTy)" , "llvm/lib/TableGen/Record.cpp", 606, __extension__ __PRETTY_FUNCTION__ )) | |||
606 | cast<TypedInit>(Range[0])->getType()->typeIsConvertibleTo(EltTy))(static_cast <bool> (Range.empty() || !isa<TypedInit >(Range[0]) || cast<TypedInit>(Range[0])->getType ()->typeIsConvertibleTo(EltTy)) ? void (0) : __assert_fail ("Range.empty() || !isa<TypedInit>(Range[0]) || cast<TypedInit>(Range[0])->getType()->typeIsConvertibleTo(EltTy)" , "llvm/lib/TableGen/Record.cpp", 606, __extension__ __PRETTY_FUNCTION__ )); | |||
607 | ||||
608 | void *Mem = Context->Allocator.Allocate( | |||
609 | totalSizeToAlloc<Init *>(Range.size()), alignof(ListInit)); | |||
610 | ListInit *I = new (Mem) ListInit(Range.size(), EltTy); | |||
611 | std::uninitialized_copy(Range.begin(), Range.end(), | |||
612 | I->getTrailingObjects<Init *>()); | |||
613 | Context->TheListInitPool.InsertNode(I, IP); | |||
614 | return I; | |||
615 | } | |||
616 | ||||
617 | void ListInit::Profile(FoldingSetNodeID &ID) const { | |||
618 | RecTy *EltTy = cast<ListRecTy>(getType())->getElementType(); | |||
619 | ||||
620 | ProfileListInit(ID, getValues(), EltTy); | |||
621 | } | |||
622 | ||||
623 | Init *ListInit::convertInitializerTo(RecTy *Ty) const { | |||
624 | if (getType() == Ty) | |||
625 | return const_cast<ListInit*>(this); | |||
626 | ||||
627 | if (auto *LRT = dyn_cast<ListRecTy>(Ty)) { | |||
628 | SmallVector<Init*, 8> Elements; | |||
629 | Elements.reserve(getValues().size()); | |||
630 | ||||
631 | // Verify that all of the elements of the list are subclasses of the | |||
632 | // appropriate class! | |||
633 | bool Changed = false; | |||
634 | RecTy *ElementType = LRT->getElementType(); | |||
635 | for (Init *I : getValues()) | |||
636 | if (Init *CI = I->convertInitializerTo(ElementType)) { | |||
637 | Elements.push_back(CI); | |||
638 | if (CI != I) | |||
639 | Changed = true; | |||
640 | } else | |||
641 | return nullptr; | |||
642 | ||||
643 | if (!Changed) | |||
644 | return const_cast<ListInit*>(this); | |||
645 | return ListInit::get(Elements, ElementType); | |||
646 | } | |||
647 | ||||
648 | return nullptr; | |||
649 | } | |||
650 | ||||
651 | Init *ListInit::convertInitListSlice(ArrayRef<unsigned> Elements) const { | |||
652 | if (Elements.size() == 1) { | |||
653 | if (Elements[0] >= size()) | |||
654 | return nullptr; | |||
655 | return getElement(Elements[0]); | |||
656 | } | |||
657 | ||||
658 | SmallVector<Init*, 8> Vals; | |||
659 | Vals.reserve(Elements.size()); | |||
660 | for (unsigned Element : Elements) { | |||
661 | if (Element >= size()) | |||
662 | return nullptr; | |||
663 | Vals.push_back(getElement(Element)); | |||
664 | } | |||
665 | return ListInit::get(Vals, getElementType()); | |||
666 | } | |||
667 | ||||
668 | Record *ListInit::getElementAsRecord(unsigned i) const { | |||
669 | assert(i < NumValues && "List element index out of range!")(static_cast <bool> (i < NumValues && "List element index out of range!" ) ? void (0) : __assert_fail ("i < NumValues && \"List element index out of range!\"" , "llvm/lib/TableGen/Record.cpp", 669, __extension__ __PRETTY_FUNCTION__ )); | |||
670 | DefInit *DI = dyn_cast<DefInit>(getElement(i)); | |||
671 | if (!DI) | |||
672 | PrintFatalError("Expected record in list!"); | |||
673 | return DI->getDef(); | |||
674 | } | |||
675 | ||||
676 | Init *ListInit::resolveReferences(Resolver &R) const { | |||
677 | SmallVector<Init*, 8> Resolved; | |||
678 | Resolved.reserve(size()); | |||
679 | bool Changed = false; | |||
680 | ||||
681 | for (Init *CurElt : getValues()) { | |||
682 | Init *E = CurElt->resolveReferences(R); | |||
683 | Changed |= E != CurElt; | |||
684 | Resolved.push_back(E); | |||
685 | } | |||
686 | ||||
687 | if (Changed) | |||
688 | return ListInit::get(Resolved, getElementType()); | |||
689 | return const_cast<ListInit *>(this); | |||
690 | } | |||
691 | ||||
692 | bool ListInit::isComplete() const { | |||
693 | for (Init *Element : *this) { | |||
694 | if (!Element->isComplete()) | |||
695 | return false; | |||
696 | } | |||
697 | return true; | |||
698 | } | |||
699 | ||||
700 | bool ListInit::isConcrete() const { | |||
701 | for (Init *Element : *this) { | |||
702 | if (!Element->isConcrete()) | |||
703 | return false; | |||
704 | } | |||
705 | return true; | |||
706 | } | |||
707 | ||||
708 | std::string ListInit::getAsString() const { | |||
709 | std::string Result = "["; | |||
710 | const char *sep = ""; | |||
711 | for (Init *Element : *this) { | |||
712 | Result += sep; | |||
713 | sep = ", "; | |||
714 | Result += Element->getAsString(); | |||
715 | } | |||
716 | return Result + "]"; | |||
717 | } | |||
718 | ||||
719 | Init *OpInit::getBit(unsigned Bit) const { | |||
720 | if (getType() == BitRecTy::get()) | |||
721 | return const_cast<OpInit*>(this); | |||
722 | return VarBitInit::get(const_cast<OpInit*>(this), Bit); | |||
723 | } | |||
724 | ||||
725 | static void | |||
726 | ProfileUnOpInit(FoldingSetNodeID &ID, unsigned Opcode, Init *Op, RecTy *Type) { | |||
727 | ID.AddInteger(Opcode); | |||
728 | ID.AddPointer(Op); | |||
729 | ID.AddPointer(Type); | |||
730 | } | |||
731 | ||||
732 | UnOpInit *UnOpInit::get(UnaryOp Opc, Init *LHS, RecTy *Type) { | |||
733 | FoldingSetNodeID ID; | |||
734 | ProfileUnOpInit(ID, Opc, LHS, Type); | |||
735 | ||||
736 | void *IP = nullptr; | |||
737 | if (UnOpInit *I = Context->TheUnOpInitPool.FindNodeOrInsertPos(ID, IP)) | |||
738 | return I; | |||
739 | ||||
740 | UnOpInit *I = new (Context->Allocator) UnOpInit(Opc, LHS, Type); | |||
741 | Context->TheUnOpInitPool.InsertNode(I, IP); | |||
742 | return I; | |||
743 | } | |||
744 | ||||
745 | void UnOpInit::Profile(FoldingSetNodeID &ID) const { | |||
746 | ProfileUnOpInit(ID, getOpcode(), getOperand(), getType()); | |||
747 | } | |||
748 | ||||
749 | Init *UnOpInit::Fold(Record *CurRec, bool IsFinal) const { | |||
750 | switch (getOpcode()) { | |||
751 | case CAST: | |||
752 | if (isa<StringRecTy>(getType())) { | |||
753 | if (StringInit *LHSs = dyn_cast<StringInit>(LHS)) | |||
754 | return LHSs; | |||
755 | ||||
756 | if (DefInit *LHSd = dyn_cast<DefInit>(LHS)) | |||
757 | return StringInit::get(LHSd->getAsString()); | |||
758 | ||||
759 | if (IntInit *LHSi = | |||
760 | dyn_cast_or_null<IntInit>(LHS->convertInitializerTo(IntRecTy::get()))) | |||
761 | return StringInit::get(LHSi->getAsString()); | |||
762 | ||||
763 | } else if (isa<RecordRecTy>(getType())) { | |||
764 | if (StringInit *Name = dyn_cast<StringInit>(LHS)) { | |||
765 | if (!CurRec && !IsFinal) | |||
766 | break; | |||
767 | assert(CurRec && "NULL pointer")(static_cast <bool> (CurRec && "NULL pointer") ? void (0) : __assert_fail ("CurRec && \"NULL pointer\"" , "llvm/lib/TableGen/Record.cpp", 767, __extension__ __PRETTY_FUNCTION__ )); | |||
768 | Record *D; | |||
769 | ||||
770 | // Self-references are allowed, but their resolution is delayed until | |||
771 | // the final resolve to ensure that we get the correct type for them. | |||
772 | auto *Anonymous = dyn_cast<AnonymousNameInit>(CurRec->getNameInit()); | |||
773 | if (Name == CurRec->getNameInit() || | |||
774 | (Anonymous && Name == Anonymous->getNameInit())) { | |||
775 | if (!IsFinal) | |||
776 | break; | |||
777 | D = CurRec; | |||
778 | } else { | |||
779 | D = CurRec->getRecords().getDef(Name->getValue()); | |||
780 | if (!D) { | |||
781 | if (IsFinal) | |||
782 | PrintFatalError(CurRec->getLoc(), | |||
783 | Twine("Undefined reference to record: '") + | |||
784 | Name->getValue() + "'\n"); | |||
785 | break; | |||
786 | } | |||
787 | } | |||
788 | ||||
789 | DefInit *DI = DefInit::get(D); | |||
790 | if (!DI->getType()->typeIsA(getType())) { | |||
791 | PrintFatalError(CurRec->getLoc(), | |||
792 | Twine("Expected type '") + | |||
793 | getType()->getAsString() + "', got '" + | |||
794 | DI->getType()->getAsString() + "' in: " + | |||
795 | getAsString() + "\n"); | |||
796 | } | |||
797 | return DI; | |||
798 | } | |||
799 | } | |||
800 | ||||
801 | if (Init *NewInit = LHS->convertInitializerTo(getType())) | |||
802 | return NewInit; | |||
803 | break; | |||
804 | ||||
805 | case NOT: | |||
806 | if (IntInit *LHSi = | |||
807 | dyn_cast_or_null<IntInit>(LHS->convertInitializerTo(IntRecTy::get()))) | |||
808 | return IntInit::get(LHSi->getValue() ? 0 : 1); | |||
809 | break; | |||
810 | ||||
811 | case HEAD: | |||
812 | if (ListInit *LHSl = dyn_cast<ListInit>(LHS)) { | |||
813 | assert(!LHSl->empty() && "Empty list in head")(static_cast <bool> (!LHSl->empty() && "Empty list in head" ) ? void (0) : __assert_fail ("!LHSl->empty() && \"Empty list in head\"" , "llvm/lib/TableGen/Record.cpp", 813, __extension__ __PRETTY_FUNCTION__ )); | |||
814 | return LHSl->getElement(0); | |||
815 | } | |||
816 | break; | |||
817 | ||||
818 | case TAIL: | |||
819 | if (ListInit *LHSl = dyn_cast<ListInit>(LHS)) { | |||
820 | assert(!LHSl->empty() && "Empty list in tail")(static_cast <bool> (!LHSl->empty() && "Empty list in tail" ) ? void (0) : __assert_fail ("!LHSl->empty() && \"Empty list in tail\"" , "llvm/lib/TableGen/Record.cpp", 820, __extension__ __PRETTY_FUNCTION__ )); | |||
821 | // Note the +1. We can't just pass the result of getValues() | |||
822 | // directly. | |||
823 | return ListInit::get(LHSl->getValues().slice(1), LHSl->getElementType()); | |||
824 | } | |||
825 | break; | |||
826 | ||||
827 | case SIZE: | |||
828 | if (ListInit *LHSl = dyn_cast<ListInit>(LHS)) | |||
829 | return IntInit::get(LHSl->size()); | |||
830 | if (DagInit *LHSd = dyn_cast<DagInit>(LHS)) | |||
831 | return IntInit::get(LHSd->arg_size()); | |||
832 | if (StringInit *LHSs = dyn_cast<StringInit>(LHS)) | |||
833 | return IntInit::get(LHSs->getValue().size()); | |||
834 | break; | |||
835 | ||||
836 | case EMPTY: | |||
837 | if (ListInit *LHSl = dyn_cast<ListInit>(LHS)) | |||
838 | return IntInit::get(LHSl->empty()); | |||
839 | if (DagInit *LHSd = dyn_cast<DagInit>(LHS)) | |||
840 | return IntInit::get(LHSd->arg_empty()); | |||
841 | if (StringInit *LHSs = dyn_cast<StringInit>(LHS)) | |||
842 | return IntInit::get(LHSs->getValue().empty()); | |||
843 | break; | |||
844 | ||||
845 | case GETDAGOP: | |||
846 | if (DagInit *Dag
| |||
847 | DefInit *DI = DefInit::get(Dag->getOperatorAsDef({})); | |||
848 | if (!DI->getType()->typeIsA(getType())) { | |||
849 | PrintFatalError(CurRec->getLoc(), | |||
| ||||
850 | Twine("Expected type '") + | |||
851 | getType()->getAsString() + "', got '" + | |||
852 | DI->getType()->getAsString() + "' in: " + | |||
853 | getAsString() + "\n"); | |||
854 | } else { | |||
855 | return DI; | |||
856 | } | |||
857 | } | |||
858 | break; | |||
859 | } | |||
860 | return const_cast<UnOpInit *>(this); | |||
861 | } | |||
862 | ||||
863 | Init *UnOpInit::resolveReferences(Resolver &R) const { | |||
864 | Init *lhs = LHS->resolveReferences(R); | |||
865 | ||||
866 | if (LHS != lhs || (R.isFinal() && getOpcode() == CAST)) | |||
867 | return (UnOpInit::get(getOpcode(), lhs, getType())) | |||
868 | ->Fold(R.getCurrentRecord(), R.isFinal()); | |||
869 | return const_cast<UnOpInit *>(this); | |||
870 | } | |||
871 | ||||
872 | std::string UnOpInit::getAsString() const { | |||
873 | std::string Result; | |||
874 | switch (getOpcode()) { | |||
875 | case CAST: Result = "!cast<" + getType()->getAsString() + ">"; break; | |||
876 | case NOT: Result = "!not"; break; | |||
877 | case HEAD: Result = "!head"; break; | |||
878 | case TAIL: Result = "!tail"; break; | |||
879 | case SIZE: Result = "!size"; break; | |||
880 | case EMPTY: Result = "!empty"; break; | |||
881 | case GETDAGOP: Result = "!getdagop"; break; | |||
882 | } | |||
883 | return Result + "(" + LHS->getAsString() + ")"; | |||
884 | } | |||
885 | ||||
886 | static void | |||
887 | ProfileBinOpInit(FoldingSetNodeID &ID, unsigned Opcode, Init *LHS, Init *RHS, | |||
888 | RecTy *Type) { | |||
889 | ID.AddInteger(Opcode); | |||
890 | ID.AddPointer(LHS); | |||
891 | ID.AddPointer(RHS); | |||
892 | ID.AddPointer(Type); | |||
893 | } | |||
894 | ||||
895 | BinOpInit *BinOpInit::get(BinaryOp Opc, Init *LHS, Init *RHS, RecTy *Type) { | |||
896 | FoldingSetNodeID ID; | |||
897 | ProfileBinOpInit(ID, Opc, LHS, RHS, Type); | |||
898 | ||||
899 | void *IP = nullptr; | |||
900 | if (BinOpInit *I = Context->TheBinOpInitPool.FindNodeOrInsertPos(ID, IP)) | |||
901 | return I; | |||
902 | ||||
903 | BinOpInit *I = new (Context->Allocator) BinOpInit(Opc, LHS, RHS, Type); | |||
904 | Context->TheBinOpInitPool.InsertNode(I, IP); | |||
905 | return I; | |||
906 | } | |||
907 | ||||
908 | void BinOpInit::Profile(FoldingSetNodeID &ID) const { | |||
909 | ProfileBinOpInit(ID, getOpcode(), getLHS(), getRHS(), getType()); | |||
910 | } | |||
911 | ||||
912 | static StringInit *ConcatStringInits(const StringInit *I0, | |||
913 | const StringInit *I1) { | |||
914 | SmallString<80> Concat(I0->getValue()); | |||
915 | Concat.append(I1->getValue()); | |||
916 | return StringInit::get(Concat, | |||
917 | StringInit::determineFormat(I0->getFormat(), | |||
918 | I1->getFormat())); | |||
919 | } | |||
920 | ||||
921 | static StringInit *interleaveStringList(const ListInit *List, | |||
922 | const StringInit *Delim) { | |||
923 | if (List->size() == 0) | |||
924 | return StringInit::get(""); | |||
925 | StringInit *Element = dyn_cast<StringInit>(List->getElement(0)); | |||
926 | if (!Element) | |||
927 | return nullptr; | |||
928 | SmallString<80> Result(Element->getValue()); | |||
929 | StringInit::StringFormat Fmt = StringInit::SF_String; | |||
930 | ||||
931 | for (unsigned I = 1, E = List->size(); I < E; ++I) { | |||
932 | Result.append(Delim->getValue()); | |||
933 | StringInit *Element = dyn_cast<StringInit>(List->getElement(I)); | |||
934 | if (!Element) | |||
935 | return nullptr; | |||
936 | Result.append(Element->getValue()); | |||
937 | Fmt = StringInit::determineFormat(Fmt, Element->getFormat()); | |||
938 | } | |||
939 | return StringInit::get(Result, Fmt); | |||
940 | } | |||
941 | ||||
942 | static StringInit *interleaveIntList(const ListInit *List, | |||
943 | const StringInit *Delim) { | |||
944 | if (List->size() == 0) | |||
945 | return StringInit::get(""); | |||
946 | IntInit *Element = | |||
947 | dyn_cast_or_null<IntInit>(List->getElement(0) | |||
948 | ->convertInitializerTo(IntRecTy::get())); | |||
949 | if (!Element) | |||
950 | return nullptr; | |||
951 | SmallString<80> Result(Element->getAsString()); | |||
952 | ||||
953 | for (unsigned I = 1, E = List->size(); I < E; ++I) { | |||
954 | Result.append(Delim->getValue()); | |||
955 | IntInit *Element = | |||
956 | dyn_cast_or_null<IntInit>(List->getElement(I) | |||
957 | ->convertInitializerTo(IntRecTy::get())); | |||
958 | if (!Element) | |||
959 | return nullptr; | |||
960 | Result.append(Element->getAsString()); | |||
961 | } | |||
962 | return StringInit::get(Result); | |||
963 | } | |||
964 | ||||
965 | Init *BinOpInit::getStrConcat(Init *I0, Init *I1) { | |||
966 | // Shortcut for the common case of concatenating two strings. | |||
967 | if (const StringInit *I0s = dyn_cast<StringInit>(I0)) | |||
968 | if (const StringInit *I1s = dyn_cast<StringInit>(I1)) | |||
969 | return ConcatStringInits(I0s, I1s); | |||
970 | return BinOpInit::get(BinOpInit::STRCONCAT, I0, I1, StringRecTy::get()); | |||
971 | } | |||
972 | ||||
973 | static ListInit *ConcatListInits(const ListInit *LHS, | |||
974 | const ListInit *RHS) { | |||
975 | SmallVector<Init *, 8> Args; | |||
976 | llvm::append_range(Args, *LHS); | |||
977 | llvm::append_range(Args, *RHS); | |||
978 | return ListInit::get(Args, LHS->getElementType()); | |||
979 | } | |||
980 | ||||
981 | Init *BinOpInit::getListConcat(TypedInit *LHS, Init *RHS) { | |||
982 | assert(isa<ListRecTy>(LHS->getType()) && "First arg must be a list")(static_cast <bool> (isa<ListRecTy>(LHS->getType ()) && "First arg must be a list") ? void (0) : __assert_fail ("isa<ListRecTy>(LHS->getType()) && \"First arg must be a list\"" , "llvm/lib/TableGen/Record.cpp", 982, __extension__ __PRETTY_FUNCTION__ )); | |||
983 | ||||
984 | // Shortcut for the common case of concatenating two lists. | |||
985 | if (const ListInit *LHSList = dyn_cast<ListInit>(LHS)) | |||
986 | if (const ListInit *RHSList = dyn_cast<ListInit>(RHS)) | |||
987 | return ConcatListInits(LHSList, RHSList); | |||
988 | return BinOpInit::get(BinOpInit::LISTCONCAT, LHS, RHS, LHS->getType()); | |||
989 | } | |||
990 | ||||
991 | Init *BinOpInit::Fold(Record *CurRec) const { | |||
992 | switch (getOpcode()) { | |||
993 | case CONCAT: { | |||
994 | DagInit *LHSs = dyn_cast<DagInit>(LHS); | |||
995 | DagInit *RHSs = dyn_cast<DagInit>(RHS); | |||
996 | if (LHSs && RHSs) { | |||
997 | DefInit *LOp = dyn_cast<DefInit>(LHSs->getOperator()); | |||
998 | DefInit *ROp = dyn_cast<DefInit>(RHSs->getOperator()); | |||
999 | if ((!LOp && !isa<UnsetInit>(LHSs->getOperator())) || | |||
1000 | (!ROp && !isa<UnsetInit>(RHSs->getOperator()))) | |||
1001 | break; | |||
1002 | if (LOp && ROp && LOp->getDef() != ROp->getDef()) { | |||
1003 | PrintFatalError(Twine("Concatenated Dag operators do not match: '") + | |||
1004 | LHSs->getAsString() + "' vs. '" + RHSs->getAsString() + | |||
1005 | "'"); | |||
1006 | } | |||
1007 | Init *Op = LOp ? LOp : ROp; | |||
1008 | if (!Op) | |||
1009 | Op = UnsetInit::get(); | |||
1010 | ||||
1011 | SmallVector<Init*, 8> Args; | |||
1012 | SmallVector<StringInit*, 8> ArgNames; | |||
1013 | for (unsigned i = 0, e = LHSs->getNumArgs(); i != e; ++i) { | |||
1014 | Args.push_back(LHSs->getArg(i)); | |||
1015 | ArgNames.push_back(LHSs->getArgName(i)); | |||
1016 | } | |||
1017 | for (unsigned i = 0, e = RHSs->getNumArgs(); i != e; ++i) { | |||
1018 | Args.push_back(RHSs->getArg(i)); | |||
1019 | ArgNames.push_back(RHSs->getArgName(i)); | |||
1020 | } | |||
1021 | return DagInit::get(Op, nullptr, Args, ArgNames); | |||
1022 | } | |||
1023 | break; | |||
1024 | } | |||
1025 | case LISTCONCAT: { | |||
1026 | ListInit *LHSs = dyn_cast<ListInit>(LHS); | |||
1027 | ListInit *RHSs = dyn_cast<ListInit>(RHS); | |||
1028 | if (LHSs && RHSs) { | |||
1029 | SmallVector<Init *, 8> Args; | |||
1030 | llvm::append_range(Args, *LHSs); | |||
1031 | llvm::append_range(Args, *RHSs); | |||
1032 | return ListInit::get(Args, LHSs->getElementType()); | |||
1033 | } | |||
1034 | break; | |||
1035 | } | |||
1036 | case LISTSPLAT: { | |||
1037 | TypedInit *Value = dyn_cast<TypedInit>(LHS); | |||
1038 | IntInit *Size = dyn_cast<IntInit>(RHS); | |||
1039 | if (Value && Size) { | |||
1040 | SmallVector<Init *, 8> Args(Size->getValue(), Value); | |||
1041 | return ListInit::get(Args, Value->getType()); | |||
1042 | } | |||
1043 | break; | |||
1044 | } | |||
1045 | case STRCONCAT: { | |||
1046 | StringInit *LHSs = dyn_cast<StringInit>(LHS); | |||
1047 | StringInit *RHSs = dyn_cast<StringInit>(RHS); | |||
1048 | if (LHSs && RHSs) | |||
1049 | return ConcatStringInits(LHSs, RHSs); | |||
1050 | break; | |||
1051 | } | |||
1052 | case INTERLEAVE: { | |||
1053 | ListInit *List = dyn_cast<ListInit>(LHS); | |||
1054 | StringInit *Delim = dyn_cast<StringInit>(RHS); | |||
1055 | if (List && Delim) { | |||
1056 | StringInit *Result; | |||
1057 | if (isa<StringRecTy>(List->getElementType())) | |||
1058 | Result = interleaveStringList(List, Delim); | |||
1059 | else | |||
1060 | Result = interleaveIntList(List, Delim); | |||
1061 | if (Result) | |||
1062 | return Result; | |||
1063 | } | |||
1064 | break; | |||
1065 | } | |||
1066 | case EQ: | |||
1067 | case NE: | |||
1068 | case LE: | |||
1069 | case LT: | |||
1070 | case GE: | |||
1071 | case GT: { | |||
1072 | // First see if we have two bit, bits, or int. | |||
1073 | IntInit *LHSi = | |||
1074 | dyn_cast_or_null<IntInit>(LHS->convertInitializerTo(IntRecTy::get())); | |||
1075 | IntInit *RHSi = | |||
1076 | dyn_cast_or_null<IntInit>(RHS->convertInitializerTo(IntRecTy::get())); | |||
1077 | ||||
1078 | if (LHSi && RHSi) { | |||
1079 | bool Result; | |||
1080 | switch (getOpcode()) { | |||
1081 | case EQ: Result = LHSi->getValue() == RHSi->getValue(); break; | |||
1082 | case NE: Result = LHSi->getValue() != RHSi->getValue(); break; | |||
1083 | case LE: Result = LHSi->getValue() <= RHSi->getValue(); break; | |||
1084 | case LT: Result = LHSi->getValue() < RHSi->getValue(); break; | |||
1085 | case GE: Result = LHSi->getValue() >= RHSi->getValue(); break; | |||
1086 | case GT: Result = LHSi->getValue() > RHSi->getValue(); break; | |||
1087 | default: llvm_unreachable("unhandled comparison")::llvm::llvm_unreachable_internal("unhandled comparison", "llvm/lib/TableGen/Record.cpp" , 1087); | |||
1088 | } | |||
1089 | return BitInit::get(Result); | |||
1090 | } | |||
1091 | ||||
1092 | // Next try strings. | |||
1093 | StringInit *LHSs = dyn_cast<StringInit>(LHS); | |||
1094 | StringInit *RHSs = dyn_cast<StringInit>(RHS); | |||
1095 | ||||
1096 | if (LHSs && RHSs) { | |||
1097 | bool Result; | |||
1098 | switch (getOpcode()) { | |||
1099 | case EQ: Result = LHSs->getValue() == RHSs->getValue(); break; | |||
1100 | case NE: Result = LHSs->getValue() != RHSs->getValue(); break; | |||
1101 | case LE: Result = LHSs->getValue() <= RHSs->getValue(); break; | |||
1102 | case LT: Result = LHSs->getValue() < RHSs->getValue(); break; | |||
1103 | case GE: Result = LHSs->getValue() >= RHSs->getValue(); break; | |||
1104 | case GT: Result = LHSs->getValue() > RHSs->getValue(); break; | |||
1105 | default: llvm_unreachable("unhandled comparison")::llvm::llvm_unreachable_internal("unhandled comparison", "llvm/lib/TableGen/Record.cpp" , 1105); | |||
1106 | } | |||
1107 | return BitInit::get(Result); | |||
1108 | } | |||
1109 | ||||
1110 | // Finally, !eq and !ne can be used with records. | |||
1111 | if (getOpcode() == EQ || getOpcode() == NE) { | |||
1112 | DefInit *LHSd = dyn_cast<DefInit>(LHS); | |||
1113 | DefInit *RHSd = dyn_cast<DefInit>(RHS); | |||
1114 | if (LHSd && RHSd) | |||
1115 | return BitInit::get((getOpcode() == EQ) ? LHSd == RHSd | |||
1116 | : LHSd != RHSd); | |||
1117 | } | |||
1118 | ||||
1119 | break; | |||
1120 | } | |||
1121 | case SETDAGOP: { | |||
1122 | DagInit *Dag = dyn_cast<DagInit>(LHS); | |||
1123 | DefInit *Op = dyn_cast<DefInit>(RHS); | |||
1124 | if (Dag && Op) { | |||
1125 | SmallVector<Init*, 8> Args; | |||
1126 | SmallVector<StringInit*, 8> ArgNames; | |||
1127 | for (unsigned i = 0, e = Dag->getNumArgs(); i != e; ++i) { | |||
1128 | Args.push_back(Dag->getArg(i)); | |||
1129 | ArgNames.push_back(Dag->getArgName(i)); | |||
1130 | } | |||
1131 | return DagInit::get(Op, nullptr, Args, ArgNames); | |||
1132 | } | |||
1133 | break; | |||
1134 | } | |||
1135 | case ADD: | |||
1136 | case SUB: | |||
1137 | case MUL: | |||
1138 | case AND: | |||
1139 | case OR: | |||
1140 | case XOR: | |||
1141 | case SHL: | |||
1142 | case SRA: | |||
1143 | case SRL: { | |||
1144 | IntInit *LHSi = | |||
1145 | dyn_cast_or_null<IntInit>(LHS->convertInitializerTo(IntRecTy::get())); | |||
1146 | IntInit *RHSi = | |||
1147 | dyn_cast_or_null<IntInit>(RHS->convertInitializerTo(IntRecTy::get())); | |||
1148 | if (LHSi && RHSi) { | |||
1149 | int64_t LHSv = LHSi->getValue(), RHSv = RHSi->getValue(); | |||
1150 | int64_t Result; | |||
1151 | switch (getOpcode()) { | |||
1152 | default: llvm_unreachable("Bad opcode!")::llvm::llvm_unreachable_internal("Bad opcode!", "llvm/lib/TableGen/Record.cpp" , 1152); | |||
1153 | case ADD: Result = LHSv + RHSv; break; | |||
1154 | case SUB: Result = LHSv - RHSv; break; | |||
1155 | case MUL: Result = LHSv * RHSv; break; | |||
1156 | case AND: Result = LHSv & RHSv; break; | |||
1157 | case OR: Result = LHSv | RHSv; break; | |||
1158 | case XOR: Result = LHSv ^ RHSv; break; | |||
1159 | case SHL: Result = (uint64_t)LHSv << (uint64_t)RHSv; break; | |||
1160 | case SRA: Result = LHSv >> RHSv; break; | |||
1161 | case SRL: Result = (uint64_t)LHSv >> (uint64_t)RHSv; break; | |||
1162 | } | |||
1163 | return IntInit::get(Result); | |||
1164 | } | |||
1165 | break; | |||
1166 | } | |||
1167 | } | |||
1168 | return const_cast<BinOpInit *>(this); | |||
1169 | } | |||
1170 | ||||
1171 | Init *BinOpInit::resolveReferences(Resolver &R) const { | |||
1172 | Init *lhs = LHS->resolveReferences(R); | |||
1173 | Init *rhs = RHS->resolveReferences(R); | |||
1174 | ||||
1175 | if (LHS != lhs || RHS != rhs) | |||
1176 | return (BinOpInit::get(getOpcode(), lhs, rhs, getType())) | |||
1177 | ->Fold(R.getCurrentRecord()); | |||
1178 | return const_cast<BinOpInit *>(this); | |||
1179 | } | |||
1180 | ||||
1181 | std::string BinOpInit::getAsString() const { | |||
1182 | std::string Result; | |||
1183 | switch (getOpcode()) { | |||
1184 | case CONCAT: Result = "!con"; break; | |||
1185 | case ADD: Result = "!add"; break; | |||
1186 | case SUB: Result = "!sub"; break; | |||
1187 | case MUL: Result = "!mul"; break; | |||
1188 | case AND: Result = "!and"; break; | |||
1189 | case OR: Result = "!or"; break; | |||
1190 | case XOR: Result = "!xor"; break; | |||
1191 | case SHL: Result = "!shl"; break; | |||
1192 | case SRA: Result = "!sra"; break; | |||
1193 | case SRL: Result = "!srl"; break; | |||
1194 | case EQ: Result = "!eq"; break; | |||
1195 | case NE: Result = "!ne"; break; | |||
1196 | case LE: Result = "!le"; break; | |||
1197 | case LT: Result = "!lt"; break; | |||
1198 | case GE: Result = "!ge"; break; | |||
1199 | case GT: Result = "!gt"; break; | |||
1200 | case LISTCONCAT: Result = "!listconcat"; break; | |||
1201 | case LISTSPLAT: Result = "!listsplat"; break; | |||
1202 | case STRCONCAT: Result = "!strconcat"; break; | |||
1203 | case INTERLEAVE: Result = "!interleave"; break; | |||
1204 | case SETDAGOP: Result = "!setdagop"; break; | |||
1205 | } | |||
1206 | return Result + "(" + LHS->getAsString() + ", " + RHS->getAsString() + ")"; | |||
1207 | } | |||
1208 | ||||
1209 | static void | |||
1210 | ProfileTernOpInit(FoldingSetNodeID &ID, unsigned Opcode, Init *LHS, Init *MHS, | |||
1211 | Init *RHS, RecTy *Type) { | |||
1212 | ID.AddInteger(Opcode); | |||
1213 | ID.AddPointer(LHS); | |||
1214 | ID.AddPointer(MHS); | |||
1215 | ID.AddPointer(RHS); | |||
1216 | ID.AddPointer(Type); | |||
1217 | } | |||
1218 | ||||
1219 | TernOpInit *TernOpInit::get(TernaryOp Opc, Init *LHS, Init *MHS, Init *RHS, | |||
1220 | RecTy *Type) { | |||
1221 | FoldingSetNodeID ID; | |||
1222 | ProfileTernOpInit(ID, Opc, LHS, MHS, RHS, Type); | |||
1223 | ||||
1224 | void *IP = nullptr; | |||
1225 | if (TernOpInit *I = Context->TheTernOpInitPool.FindNodeOrInsertPos(ID, IP)) | |||
1226 | return I; | |||
1227 | ||||
1228 | TernOpInit *I = new (Context->Allocator) TernOpInit(Opc, LHS, MHS, RHS, Type); | |||
1229 | Context->TheTernOpInitPool.InsertNode(I, IP); | |||
1230 | return I; | |||
1231 | } | |||
1232 | ||||
1233 | void TernOpInit::Profile(FoldingSetNodeID &ID) const { | |||
1234 | ProfileTernOpInit(ID, getOpcode(), getLHS(), getMHS(), getRHS(), getType()); | |||
1235 | } | |||
1236 | ||||
1237 | static Init *ItemApply(Init *LHS, Init *MHSe, Init *RHS, Record *CurRec) { | |||
1238 | MapResolver R(CurRec); | |||
1239 | R.set(LHS, MHSe); | |||
1240 | return RHS->resolveReferences(R); | |||
1241 | } | |||
1242 | ||||
1243 | static Init *ForeachDagApply(Init *LHS, DagInit *MHSd, Init *RHS, | |||
1244 | Record *CurRec) { | |||
1245 | bool Change = false; | |||
1246 | Init *Val = ItemApply(LHS, MHSd->getOperator(), RHS, CurRec); | |||
1247 | if (Val != MHSd->getOperator()) | |||
1248 | Change = true; | |||
1249 | ||||
1250 | SmallVector<std::pair<Init *, StringInit *>, 8> NewArgs; | |||
1251 | for (unsigned int i = 0; i < MHSd->getNumArgs(); ++i) { | |||
1252 | Init *Arg = MHSd->getArg(i); | |||
1253 | Init *NewArg; | |||
1254 | StringInit *ArgName = MHSd->getArgName(i); | |||
1255 | ||||
1256 | if (DagInit *Argd = dyn_cast<DagInit>(Arg)) | |||
1257 | NewArg = ForeachDagApply(LHS, Argd, RHS, CurRec); | |||
1258 | else | |||
1259 | NewArg = ItemApply(LHS, Arg, RHS, CurRec); | |||
1260 | ||||
1261 | NewArgs.push_back(std::make_pair(NewArg, ArgName)); | |||
1262 | if (Arg != NewArg) | |||
1263 | Change = true; | |||
1264 | } | |||
1265 | ||||
1266 | if (Change) | |||
1267 | return DagInit::get(Val, nullptr, NewArgs); | |||
1268 | return MHSd; | |||
1269 | } | |||
1270 | ||||
1271 | // Applies RHS to all elements of MHS, using LHS as a temp variable. | |||
1272 | static Init *ForeachHelper(Init *LHS, Init *MHS, Init *RHS, RecTy *Type, | |||
1273 | Record *CurRec) { | |||
1274 | if (DagInit *MHSd = dyn_cast<DagInit>(MHS)) | |||
1275 | return ForeachDagApply(LHS, MHSd, RHS, CurRec); | |||
1276 | ||||
1277 | if (ListInit *MHSl = dyn_cast<ListInit>(MHS)) { | |||
1278 | SmallVector<Init *, 8> NewList(MHSl->begin(), MHSl->end()); | |||
1279 | ||||
1280 | for (Init *&Item : NewList) { | |||
1281 | Init *NewItem = ItemApply(LHS, Item, RHS, CurRec); | |||
1282 | if (NewItem != Item) | |||
1283 | Item = NewItem; | |||
1284 | } | |||
1285 | return ListInit::get(NewList, cast<ListRecTy>(Type)->getElementType()); | |||
1286 | } | |||
1287 | ||||
1288 | return nullptr; | |||
1289 | } | |||
1290 | ||||
1291 | // Evaluates RHS for all elements of MHS, using LHS as a temp variable. | |||
1292 | // Creates a new list with the elements that evaluated to true. | |||
1293 | static Init *FilterHelper(Init *LHS, Init *MHS, Init *RHS, RecTy *Type, | |||
1294 | Record *CurRec) { | |||
1295 | if (ListInit *MHSl = dyn_cast<ListInit>(MHS)) { | |||
1296 | SmallVector<Init *, 8> NewList; | |||
1297 | ||||
1298 | for (Init *Item : MHSl->getValues()) { | |||
1299 | Init *Include = ItemApply(LHS, Item, RHS, CurRec); | |||
1300 | if (!Include) | |||
1301 | return nullptr; | |||
1302 | if (IntInit *IncludeInt = dyn_cast_or_null<IntInit>( | |||
1303 | Include->convertInitializerTo(IntRecTy::get()))) { | |||
1304 | if (IncludeInt->getValue()) | |||
1305 | NewList.push_back(Item); | |||
1306 | } else { | |||
1307 | return nullptr; | |||
1308 | } | |||
1309 | } | |||
1310 | return ListInit::get(NewList, cast<ListRecTy>(Type)->getElementType()); | |||
1311 | } | |||
1312 | ||||
1313 | return nullptr; | |||
1314 | } | |||
1315 | ||||
1316 | Init *TernOpInit::Fold(Record *CurRec) const { | |||
1317 | switch (getOpcode()) { | |||
1318 | case SUBST: { | |||
1319 | DefInit *LHSd = dyn_cast<DefInit>(LHS); | |||
1320 | VarInit *LHSv = dyn_cast<VarInit>(LHS); | |||
1321 | StringInit *LHSs = dyn_cast<StringInit>(LHS); | |||
1322 | ||||
1323 | DefInit *MHSd = dyn_cast<DefInit>(MHS); | |||
1324 | VarInit *MHSv = dyn_cast<VarInit>(MHS); | |||
1325 | StringInit *MHSs = dyn_cast<StringInit>(MHS); | |||
1326 | ||||
1327 | DefInit *RHSd = dyn_cast<DefInit>(RHS); | |||
1328 | VarInit *RHSv = dyn_cast<VarInit>(RHS); | |||
1329 | StringInit *RHSs = dyn_cast<StringInit>(RHS); | |||
1330 | ||||
1331 | if (LHSd && MHSd && RHSd) { | |||
1332 | Record *Val = RHSd->getDef(); | |||
1333 | if (LHSd->getAsString() == RHSd->getAsString()) | |||
1334 | Val = MHSd->getDef(); | |||
1335 | return DefInit::get(Val); | |||
1336 | } | |||
1337 | if (LHSv && MHSv && RHSv) { | |||
1338 | std::string Val = std::string(RHSv->getName()); | |||
1339 | if (LHSv->getAsString() == RHSv->getAsString()) | |||
1340 | Val = std::string(MHSv->getName()); | |||
1341 | return VarInit::get(Val, getType()); | |||
1342 | } | |||
1343 | if (LHSs && MHSs && RHSs) { | |||
1344 | std::string Val = std::string(RHSs->getValue()); | |||
1345 | ||||
1346 | std::string::size_type found; | |||
1347 | std::string::size_type idx = 0; | |||
1348 | while (true) { | |||
1349 | found = Val.find(std::string(LHSs->getValue()), idx); | |||
1350 | if (found == std::string::npos) | |||
1351 | break; | |||
1352 | Val.replace(found, LHSs->getValue().size(), | |||
1353 | std::string(MHSs->getValue())); | |||
1354 | idx = found + MHSs->getValue().size(); | |||
1355 | } | |||
1356 | ||||
1357 | return StringInit::get(Val); | |||
1358 | } | |||
1359 | break; | |||
1360 | } | |||
1361 | ||||
1362 | case FOREACH: { | |||
1363 | if (Init *Result = ForeachHelper(LHS, MHS, RHS, getType(), CurRec)) | |||
1364 | return Result; | |||
1365 | break; | |||
1366 | } | |||
1367 | ||||
1368 | case FILTER: { | |||
1369 | if (Init *Result = FilterHelper(LHS, MHS, RHS, getType(), CurRec)) | |||
1370 | return Result; | |||
1371 | break; | |||
1372 | } | |||
1373 | ||||
1374 | case IF: { | |||
1375 | if (IntInit *LHSi = dyn_cast_or_null<IntInit>( | |||
1376 | LHS->convertInitializerTo(IntRecTy::get()))) { | |||
1377 | if (LHSi->getValue()) | |||
1378 | return MHS; | |||
1379 | return RHS; | |||
1380 | } | |||
1381 | break; | |||
1382 | } | |||
1383 | ||||
1384 | case DAG: { | |||
1385 | ListInit *MHSl = dyn_cast<ListInit>(MHS); | |||
1386 | ListInit *RHSl = dyn_cast<ListInit>(RHS); | |||
1387 | bool MHSok = MHSl || isa<UnsetInit>(MHS); | |||
1388 | bool RHSok = RHSl || isa<UnsetInit>(RHS); | |||
1389 | ||||
1390 | if (isa<UnsetInit>(MHS) && isa<UnsetInit>(RHS)) | |||
1391 | break; // Typically prevented by the parser, but might happen with template args | |||
1392 | ||||
1393 | if (MHSok && RHSok && (!MHSl || !RHSl || MHSl->size() == RHSl->size())) { | |||
1394 | SmallVector<std::pair<Init *, StringInit *>, 8> Children; | |||
1395 | unsigned Size = MHSl ? MHSl->size() : RHSl->size(); | |||
1396 | for (unsigned i = 0; i != Size; ++i) { | |||
1397 | Init *Node = MHSl ? MHSl->getElement(i) : UnsetInit::get(); | |||
1398 | Init *Name = RHSl ? RHSl->getElement(i) : UnsetInit::get(); | |||
1399 | if (!isa<StringInit>(Name) && !isa<UnsetInit>(Name)) | |||
1400 | return const_cast<TernOpInit *>(this); | |||
1401 | Children.emplace_back(Node, dyn_cast<StringInit>(Name)); | |||
1402 | } | |||
1403 | return DagInit::get(LHS, nullptr, Children); | |||
1404 | } | |||
1405 | break; | |||
1406 | } | |||
1407 | ||||
1408 | case SUBSTR: { | |||
1409 | StringInit *LHSs = dyn_cast<StringInit>(LHS); | |||
1410 | IntInit *MHSi = dyn_cast<IntInit>(MHS); | |||
1411 | IntInit *RHSi = dyn_cast<IntInit>(RHS); | |||
1412 | if (LHSs && MHSi && RHSi) { | |||
1413 | int64_t StringSize = LHSs->getValue().size(); | |||
1414 | int64_t Start = MHSi->getValue(); | |||
1415 | int64_t Length = RHSi->getValue(); | |||
1416 | if (Start < 0 || Start > StringSize) | |||
1417 | PrintError(CurRec->getLoc(), | |||
1418 | Twine("!substr start position is out of range 0...") + | |||
1419 | std::to_string(StringSize) + ": " + | |||
1420 | std::to_string(Start)); | |||
1421 | if (Length < 0) | |||
1422 | PrintError(CurRec->getLoc(), "!substr length must be nonnegative"); | |||
1423 | return StringInit::get(LHSs->getValue().substr(Start, Length), | |||
1424 | LHSs->getFormat()); | |||
1425 | } | |||
1426 | break; | |||
1427 | } | |||
1428 | ||||
1429 | case FIND: { | |||
1430 | StringInit *LHSs = dyn_cast<StringInit>(LHS); | |||
1431 | StringInit *MHSs = dyn_cast<StringInit>(MHS); | |||
1432 | IntInit *RHSi = dyn_cast<IntInit>(RHS); | |||
1433 | if (LHSs && MHSs && RHSi) { | |||
1434 | int64_t SourceSize = LHSs->getValue().size(); | |||
1435 | int64_t Start = RHSi->getValue(); | |||
1436 | if (Start < 0 || Start > SourceSize) | |||
1437 | PrintError(CurRec->getLoc(), | |||
1438 | Twine("!find start position is out of range 0...") + | |||
1439 | std::to_string(SourceSize) + ": " + | |||
1440 | std::to_string(Start)); | |||
1441 | auto I = LHSs->getValue().find(MHSs->getValue(), Start); | |||
1442 | if (I == std::string::npos) | |||
1443 | return IntInit::get(-1); | |||
1444 | return IntInit::get(I); | |||
1445 | } | |||
1446 | break; | |||
1447 | } | |||
1448 | } | |||
1449 | ||||
1450 | return const_cast<TernOpInit *>(this); | |||
1451 | } | |||
1452 | ||||
1453 | Init *TernOpInit::resolveReferences(Resolver &R) const { | |||
1454 | Init *lhs = LHS->resolveReferences(R); | |||
1455 | ||||
1456 | if (getOpcode() == IF && lhs != LHS) { | |||
1457 | if (IntInit *Value = dyn_cast_or_null<IntInit>( | |||
1458 | lhs->convertInitializerTo(IntRecTy::get()))) { | |||
1459 | // Short-circuit | |||
1460 | if (Value->getValue()) | |||
1461 | return MHS->resolveReferences(R); | |||
1462 | return RHS->resolveReferences(R); | |||
1463 | } | |||
1464 | } | |||
1465 | ||||
1466 | Init *mhs = MHS->resolveReferences(R); | |||
1467 | Init *rhs; | |||
1468 | ||||
1469 | if (getOpcode() == FOREACH || getOpcode() == FILTER) { | |||
1470 | ShadowResolver SR(R); | |||
1471 | SR.addShadow(lhs); | |||
1472 | rhs = RHS->resolveReferences(SR); | |||
1473 | } else { | |||
1474 | rhs = RHS->resolveReferences(R); | |||
1475 | } | |||
1476 | ||||
1477 | if (LHS != lhs || MHS != mhs || RHS != rhs) | |||
1478 | return (TernOpInit::get(getOpcode(), lhs, mhs, rhs, getType())) | |||
1479 | ->Fold(R.getCurrentRecord()); | |||
1480 | return const_cast<TernOpInit *>(this); | |||
1481 | } | |||
1482 | ||||
1483 | std::string TernOpInit::getAsString() const { | |||
1484 | std::string Result; | |||
1485 | bool UnquotedLHS = false; | |||
1486 | switch (getOpcode()) { | |||
1487 | case DAG: Result = "!dag"; break; | |||
1488 | case FILTER: Result = "!filter"; UnquotedLHS = true; break; | |||
1489 | case FOREACH: Result = "!foreach"; UnquotedLHS = true; break; | |||
1490 | case IF: Result = "!if"; break; | |||
1491 | case SUBST: Result = "!subst"; break; | |||
1492 | case SUBSTR: Result = "!substr"; break; | |||
1493 | case FIND: Result = "!find"; break; | |||
1494 | } | |||
1495 | return (Result + "(" + | |||
1496 | (UnquotedLHS ? LHS->getAsUnquotedString() : LHS->getAsString()) + | |||
1497 | ", " + MHS->getAsString() + ", " + RHS->getAsString() + ")"); | |||
1498 | } | |||
1499 | ||||
1500 | static void ProfileFoldOpInit(FoldingSetNodeID &ID, Init *Start, Init *List, | |||
1501 | Init *A, Init *B, Init *Expr, RecTy *Type) { | |||
1502 | ID.AddPointer(Start); | |||
1503 | ID.AddPointer(List); | |||
1504 | ID.AddPointer(A); | |||
1505 | ID.AddPointer(B); | |||
1506 | ID.AddPointer(Expr); | |||
1507 | ID.AddPointer(Type); | |||
1508 | } | |||
1509 | ||||
1510 | FoldOpInit *FoldOpInit::get(Init *Start, Init *List, Init *A, Init *B, | |||
1511 | Init *Expr, RecTy *Type) { | |||
1512 | ||||
1513 | FoldingSetNodeID ID; | |||
1514 | ProfileFoldOpInit(ID, Start, List, A, B, Expr, Type); | |||
1515 | ||||
1516 | void *IP = nullptr; | |||
1517 | if (FoldOpInit *I = Context->TheFoldOpInitPool.FindNodeOrInsertPos(ID, IP)) | |||
1518 | return I; | |||
1519 | ||||
1520 | FoldOpInit *I = | |||
1521 | new (Context->Allocator) FoldOpInit(Start, List, A, B, Expr, Type); | |||
1522 | Context->TheFoldOpInitPool.InsertNode(I, IP); | |||
1523 | return I; | |||
1524 | } | |||
1525 | ||||
1526 | void FoldOpInit::Profile(FoldingSetNodeID &ID) const { | |||
1527 | ProfileFoldOpInit(ID, Start, List, A, B, Expr, getType()); | |||
1528 | } | |||
1529 | ||||
1530 | Init *FoldOpInit::Fold(Record *CurRec) const { | |||
1531 | if (ListInit *LI = dyn_cast<ListInit>(List)) { | |||
1532 | Init *Accum = Start; | |||
1533 | for (Init *Elt : *LI) { | |||
1534 | MapResolver R(CurRec); | |||
1535 | R.set(A, Accum); | |||
1536 | R.set(B, Elt); | |||
1537 | Accum = Expr->resolveReferences(R); | |||
1538 | } | |||
1539 | return Accum; | |||
1540 | } | |||
1541 | return const_cast<FoldOpInit *>(this); | |||
1542 | } | |||
1543 | ||||
1544 | Init *FoldOpInit::resolveReferences(Resolver &R) const { | |||
1545 | Init *NewStart = Start->resolveReferences(R); | |||
1546 | Init *NewList = List->resolveReferences(R); | |||
1547 | ShadowResolver SR(R); | |||
1548 | SR.addShadow(A); | |||
1549 | SR.addShadow(B); | |||
1550 | Init *NewExpr = Expr->resolveReferences(SR); | |||
1551 | ||||
1552 | if (Start == NewStart && List == NewList && Expr == NewExpr) | |||
1553 | return const_cast<FoldOpInit *>(this); | |||
1554 | ||||
1555 | return get(NewStart, NewList, A, B, NewExpr, getType()) | |||
1556 | ->Fold(R.getCurrentRecord()); | |||
1557 | } | |||
1558 | ||||
1559 | Init *FoldOpInit::getBit(unsigned Bit) const { | |||
1560 | return VarBitInit::get(const_cast<FoldOpInit *>(this), Bit); | |||
1561 | } | |||
1562 | ||||
1563 | std::string FoldOpInit::getAsString() const { | |||
1564 | return (Twine("!foldl(") + Start->getAsString() + ", " + List->getAsString() + | |||
1565 | ", " + A->getAsUnquotedString() + ", " + B->getAsUnquotedString() + | |||
1566 | ", " + Expr->getAsString() + ")") | |||
1567 | .str(); | |||
1568 | } | |||
1569 | ||||
1570 | static void ProfileIsAOpInit(FoldingSetNodeID &ID, RecTy *CheckType, | |||
1571 | Init *Expr) { | |||
1572 | ID.AddPointer(CheckType); | |||
1573 | ID.AddPointer(Expr); | |||
1574 | } | |||
1575 | ||||
1576 | IsAOpInit *IsAOpInit::get(RecTy *CheckType, Init *Expr) { | |||
1577 | ||||
1578 | FoldingSetNodeID ID; | |||
1579 | ProfileIsAOpInit(ID, CheckType, Expr); | |||
1580 | ||||
1581 | void *IP = nullptr; | |||
1582 | if (IsAOpInit *I = Context->TheIsAOpInitPool.FindNodeOrInsertPos(ID, IP)) | |||
1583 | return I; | |||
1584 | ||||
1585 | IsAOpInit *I = new (Context->Allocator) IsAOpInit(CheckType, Expr); | |||
1586 | Context->TheIsAOpInitPool.InsertNode(I, IP); | |||
1587 | return I; | |||
1588 | } | |||
1589 | ||||
1590 | void IsAOpInit::Profile(FoldingSetNodeID &ID) const { | |||
1591 | ProfileIsAOpInit(ID, CheckType, Expr); | |||
1592 | } | |||
1593 | ||||
1594 | Init *IsAOpInit::Fold() const { | |||
1595 | if (TypedInit *TI = dyn_cast<TypedInit>(Expr)) { | |||
1596 | // Is the expression type known to be (a subclass of) the desired type? | |||
1597 | if (TI->getType()->typeIsConvertibleTo(CheckType)) | |||
1598 | return IntInit::get(1); | |||
1599 | ||||
1600 | if (isa<RecordRecTy>(CheckType)) { | |||
1601 | // If the target type is not a subclass of the expression type, or if | |||
1602 | // the expression has fully resolved to a record, we know that it can't | |||
1603 | // be of the required type. | |||
1604 | if (!CheckType->typeIsConvertibleTo(TI->getType()) || isa<DefInit>(Expr)) | |||
1605 | return IntInit::get(0); | |||
1606 | } else { | |||
1607 | // We treat non-record types as not castable. | |||
1608 | return IntInit::get(0); | |||
1609 | } | |||
1610 | } | |||
1611 | return const_cast<IsAOpInit *>(this); | |||
1612 | } | |||
1613 | ||||
1614 | Init *IsAOpInit::resolveReferences(Resolver &R) const { | |||
1615 | Init *NewExpr = Expr->resolveReferences(R); | |||
1616 | if (Expr != NewExpr) | |||
1617 | return get(CheckType, NewExpr)->Fold(); | |||
1618 | return const_cast<IsAOpInit *>(this); | |||
1619 | } | |||
1620 | ||||
1621 | Init *IsAOpInit::getBit(unsigned Bit) const { | |||
1622 | return VarBitInit::get(const_cast<IsAOpInit *>(this), Bit); | |||
1623 | } | |||
1624 | ||||
1625 | std::string IsAOpInit::getAsString() const { | |||
1626 | return (Twine("!isa<") + CheckType->getAsString() + ">(" + | |||
1627 | Expr->getAsString() + ")") | |||
1628 | .str(); | |||
1629 | } | |||
1630 | ||||
1631 | RecTy *TypedInit::getFieldType(StringInit *FieldName) const { | |||
1632 | if (RecordRecTy *RecordType = dyn_cast<RecordRecTy>(getType())) { | |||
1633 | for (Record *Rec : RecordType->getClasses()) { | |||
1634 | if (RecordVal *Field = Rec->getValue(FieldName)) | |||
1635 | return Field->getType(); | |||
1636 | } | |||
1637 | } | |||
1638 | return nullptr; | |||
1639 | } | |||
1640 | ||||
1641 | Init * | |||
1642 | TypedInit::convertInitializerTo(RecTy *Ty) const { | |||
1643 | if (getType() == Ty || getType()->typeIsA(Ty)) | |||
1644 | return const_cast<TypedInit *>(this); | |||
1645 | ||||
1646 | if (isa<BitRecTy>(getType()) && isa<BitsRecTy>(Ty) && | |||
1647 | cast<BitsRecTy>(Ty)->getNumBits() == 1) | |||
1648 | return BitsInit::get({const_cast<TypedInit *>(this)}); | |||
1649 | ||||
1650 | return nullptr; | |||
1651 | } | |||
1652 | ||||
1653 | Init *TypedInit::convertInitializerBitRange(ArrayRef<unsigned> Bits) const { | |||
1654 | BitsRecTy *T = dyn_cast<BitsRecTy>(getType()); | |||
1655 | if (!T) return nullptr; // Cannot subscript a non-bits variable. | |||
1656 | unsigned NumBits = T->getNumBits(); | |||
1657 | ||||
1658 | SmallVector<Init *, 16> NewBits; | |||
1659 | NewBits.reserve(Bits.size()); | |||
1660 | for (unsigned Bit : Bits) { | |||
1661 | if (Bit >= NumBits) | |||
1662 | return nullptr; | |||
1663 | ||||
1664 | NewBits.push_back(VarBitInit::get(const_cast<TypedInit *>(this), Bit)); | |||
1665 | } | |||
1666 | return BitsInit::get(NewBits); | |||
1667 | } | |||
1668 | ||||
1669 | Init *TypedInit::getCastTo(RecTy *Ty) const { | |||
1670 | // Handle the common case quickly | |||
1671 | if (getType() == Ty || getType()->typeIsA(Ty)) | |||
| ||||
1672 | return const_cast<TypedInit *>(this); | |||
1673 | ||||
1674 | if (Init *Converted = convertInitializerTo(Ty)) { | |||
1675 | assert(!isa<TypedInit>(Converted) ||(static_cast <bool> (!isa<TypedInit>(Converted) || cast<TypedInit>(Converted)->getType()->typeIsA(Ty )) ? void (0) : __assert_fail ("!isa<TypedInit>(Converted) || cast<TypedInit>(Converted)->getType()->typeIsA(Ty)" , "llvm/lib/TableGen/Record.cpp", 1676, __extension__ __PRETTY_FUNCTION__ )) | |||
1676 | cast<TypedInit>(Converted)->getType()->typeIsA(Ty))(static_cast <bool> (!isa<TypedInit>(Converted) || cast<TypedInit>(Converted)->getType()->typeIsA(Ty )) ? void (0) : __assert_fail ("!isa<TypedInit>(Converted) || cast<TypedInit>(Converted)->getType()->typeIsA(Ty)" , "llvm/lib/TableGen/Record.cpp", 1676, __extension__ __PRETTY_FUNCTION__ )); | |||
1677 | return Converted; | |||
1678 | } | |||
1679 | ||||
1680 | if (!getType()->typeIsConvertibleTo(Ty)) | |||
1681 | return nullptr; | |||
1682 | ||||
1683 | return UnOpInit::get(UnOpInit::CAST, const_cast<TypedInit *>(this), Ty) | |||
1684 | ->Fold(nullptr); | |||
1685 | } | |||
1686 | ||||
1687 | Init *TypedInit::convertInitListSlice(ArrayRef<unsigned> Elements) const { | |||
1688 | ListRecTy *T = dyn_cast<ListRecTy>(getType()); | |||
1689 | if (!T) return nullptr; // Cannot subscript a non-list variable. | |||
1690 | ||||
1691 | if (Elements.size() == 1) | |||
1692 | return VarListElementInit::get(const_cast<TypedInit *>(this), Elements[0]); | |||
1693 | ||||
1694 | SmallVector<Init*, 8> ListInits; | |||
1695 | ListInits.reserve(Elements.size()); | |||
1696 | for (unsigned Element : Elements) | |||
1697 | ListInits.push_back(VarListElementInit::get(const_cast<TypedInit *>(this), | |||
1698 | Element)); | |||
1699 | return ListInit::get(ListInits, T->getElementType()); | |||
1700 | } | |||
1701 | ||||
1702 | ||||
1703 | VarInit *VarInit::get(StringRef VN, RecTy *T) { | |||
1704 | Init *Value = StringInit::get(VN); | |||
1705 | return VarInit::get(Value, T); | |||
1706 | } | |||
1707 | ||||
1708 | VarInit *VarInit::get(Init *VN, RecTy *T) { | |||
1709 | VarInit *&I = Context->TheVarInitPool[std::make_pair(T, VN)]; | |||
1710 | if (!I) | |||
1711 | I = new (Context->Allocator) VarInit(VN, T); | |||
1712 | return I; | |||
1713 | } | |||
1714 | ||||
1715 | StringRef VarInit::getName() const { | |||
1716 | StringInit *NameString = cast<StringInit>(getNameInit()); | |||
1717 | return NameString->getValue(); | |||
1718 | } | |||
1719 | ||||
1720 | Init *VarInit::getBit(unsigned Bit) const { | |||
1721 | if (getType() == BitRecTy::get()) | |||
1722 | return const_cast<VarInit*>(this); | |||
1723 | return VarBitInit::get(const_cast<VarInit*>(this), Bit); | |||
1724 | } | |||
1725 | ||||
1726 | Init *VarInit::resolveReferences(Resolver &R) const { | |||
1727 | if (Init *Val = R.resolve(VarName)) | |||
1728 | return Val; | |||
1729 | return const_cast<VarInit *>(this); | |||
1730 | } | |||
1731 | ||||
1732 | VarBitInit *VarBitInit::get(TypedInit *T, unsigned B) { | |||
1733 | VarBitInit *&I = Context->TheVarBitInitPool[std::make_pair(T, B)]; | |||
1734 | if (!I) | |||
1735 | I = new(Context->Allocator) VarBitInit(T, B); | |||
1736 | return I; | |||
1737 | } | |||
1738 | ||||
1739 | std::string VarBitInit::getAsString() const { | |||
1740 | return TI->getAsString() + "{" + utostr(Bit) + "}"; | |||
1741 | } | |||
1742 | ||||
1743 | Init *VarBitInit::resolveReferences(Resolver &R) const { | |||
1744 | Init *I = TI->resolveReferences(R); | |||
1745 | if (TI != I) | |||
1746 | return I->getBit(getBitNum()); | |||
1747 | ||||
1748 | return const_cast<VarBitInit*>(this); | |||
1749 | } | |||
1750 | ||||
1751 | VarListElementInit *VarListElementInit::get(TypedInit *T, unsigned E) { | |||
1752 | VarListElementInit *&I = | |||
1753 | Context->TheVarListElementInitPool[std::make_pair(T, E)]; | |||
1754 | if (!I) | |||
1755 | I = new (Context->Allocator) VarListElementInit(T, E); | |||
1756 | return I; | |||
1757 | } | |||
1758 | ||||
1759 | std::string VarListElementInit::getAsString() const { | |||
1760 | return TI->getAsString() + "[" + utostr(Element) + "]"; | |||
1761 | } | |||
1762 | ||||
1763 | Init *VarListElementInit::resolveReferences(Resolver &R) const { | |||
1764 | Init *NewTI = TI->resolveReferences(R); | |||
1765 | if (ListInit *List = dyn_cast<ListInit>(NewTI)) { | |||
1766 | // Leave out-of-bounds array references as-is. This can happen without | |||
1767 | // being an error, e.g. in the untaken "branch" of an !if expression. | |||
1768 | if (getElementNum() < List->size()) | |||
1769 | return List->getElement(getElementNum()); | |||
1770 | } | |||
1771 | if (NewTI != TI && isa<TypedInit>(NewTI)) | |||
1772 | return VarListElementInit::get(cast<TypedInit>(NewTI), getElementNum()); | |||
1773 | return const_cast<VarListElementInit *>(this); | |||
1774 | } | |||
1775 | ||||
1776 | Init *VarListElementInit::getBit(unsigned Bit) const { | |||
1777 | if (getType() == BitRecTy::get()) | |||
1778 | return const_cast<VarListElementInit*>(this); | |||
1779 | return VarBitInit::get(const_cast<VarListElementInit*>(this), Bit); | |||
1780 | } | |||
1781 | ||||
1782 | DefInit::DefInit(Record *D) | |||
1783 | : TypedInit(IK_DefInit, D->getType()), Def(D) {} | |||
1784 | ||||
1785 | DefInit *DefInit::get(Record *R) { | |||
1786 | return R->getDefInit(); | |||
1787 | } | |||
1788 | ||||
1789 | Init *DefInit::convertInitializerTo(RecTy *Ty) const { | |||
1790 | if (auto *RRT = dyn_cast<RecordRecTy>(Ty)) | |||
1791 | if (getType()->typeIsConvertibleTo(RRT)) | |||
1792 | return const_cast<DefInit *>(this); | |||
1793 | return nullptr; | |||
1794 | } | |||
1795 | ||||
1796 | RecTy *DefInit::getFieldType(StringInit *FieldName) const { | |||
1797 | if (const RecordVal *RV = Def->getValue(FieldName)) | |||
1798 | return RV->getType(); | |||
1799 | return nullptr; | |||
1800 | } | |||
1801 | ||||
1802 | std::string DefInit::getAsString() const { return std::string(Def->getName()); } | |||
1803 | ||||
1804 | static void ProfileVarDefInit(FoldingSetNodeID &ID, | |||
1805 | Record *Class, | |||
1806 | ArrayRef<Init *> Args) { | |||
1807 | ID.AddInteger(Args.size()); | |||
1808 | ID.AddPointer(Class); | |||
1809 | ||||
1810 | for (Init *I : Args) | |||
1811 | ID.AddPointer(I); | |||
1812 | } | |||
1813 | ||||
1814 | VarDefInit *VarDefInit::get(Record *Class, ArrayRef<Init *> Args) { | |||
1815 | FoldingSetNodeID ID; | |||
1816 | ProfileVarDefInit(ID, Class, Args); | |||
1817 | ||||
1818 | void *IP = nullptr; | |||
1819 | if (VarDefInit *I = Context->TheVarDefInitPool.FindNodeOrInsertPos(ID, IP)) | |||
1820 | return I; | |||
1821 | ||||
1822 | void *Mem = Context->Allocator.Allocate(totalSizeToAlloc<Init *>(Args.size()), | |||
1823 | alignof(VarDefInit)); | |||
1824 | VarDefInit *I = new (Mem) VarDefInit(Class, Args.size()); | |||
1825 | std::uninitialized_copy(Args.begin(), Args.end(), | |||
1826 | I->getTrailingObjects<Init *>()); | |||
1827 | Context->TheVarDefInitPool.InsertNode(I, IP); | |||
1828 | return I; | |||
1829 | } | |||
1830 | ||||
1831 | void VarDefInit::Profile(FoldingSetNodeID &ID) const { | |||
1832 | ProfileVarDefInit(ID, Class, args()); | |||
1833 | } | |||
1834 | ||||
1835 | DefInit *VarDefInit::instantiate() { | |||
1836 | if (!Def) { | |||
1837 | RecordKeeper &Records = Class->getRecords(); | |||
1838 | auto NewRecOwner = std::make_unique<Record>(Records.getNewAnonymousName(), | |||
1839 | Class->getLoc(), Records, | |||
1840 | /*IsAnonymous=*/true); | |||
1841 | Record *NewRec = NewRecOwner.get(); | |||
1842 | ||||
1843 | // Copy values from class to instance | |||
1844 | for (const RecordVal &Val : Class->getValues()) | |||
1845 | NewRec->addValue(Val); | |||
1846 | ||||
1847 | // Copy assertions from class to instance. | |||
1848 | NewRec->appendAssertions(Class); | |||
1849 | ||||
1850 | // Substitute and resolve template arguments | |||
1851 | ArrayRef<Init *> TArgs = Class->getTemplateArgs(); | |||
1852 | MapResolver R(NewRec); | |||
1853 | ||||
1854 | for (unsigned i = 0, e = TArgs.size(); i != e; ++i) { | |||
1855 | if (i < args_size()) | |||
1856 | R.set(TArgs[i], getArg(i)); | |||
1857 | else | |||
1858 | R.set(TArgs[i], NewRec->getValue(TArgs[i])->getValue()); | |||
1859 | ||||
1860 | NewRec->removeValue(TArgs[i]); | |||
1861 | } | |||
1862 | ||||
1863 | NewRec->resolveReferences(R); | |||
1864 | ||||
1865 | // Add superclasses. | |||
1866 | ArrayRef<std::pair<Record *, SMRange>> SCs = Class->getSuperClasses(); | |||
1867 | for (const auto &SCPair : SCs) | |||
1868 | NewRec->addSuperClass(SCPair.first, SCPair.second); | |||
1869 | ||||
1870 | NewRec->addSuperClass(Class, | |||
1871 | SMRange(Class->getLoc().back(), | |||
1872 | Class->getLoc().back())); | |||
1873 | ||||
1874 | // Resolve internal references and store in record keeper | |||
1875 | NewRec->resolveReferences(); | |||
1876 | Records.addDef(std::move(NewRecOwner)); | |||
1877 | ||||
1878 | // Check the assertions. | |||
1879 | NewRec->checkRecordAssertions(); | |||
1880 | ||||
1881 | Def = DefInit::get(NewRec); | |||
1882 | } | |||
1883 | ||||
1884 | return Def; | |||
1885 | } | |||
1886 | ||||
1887 | Init *VarDefInit::resolveReferences(Resolver &R) const { | |||
1888 | TrackUnresolvedResolver UR(&R); | |||
1889 | bool Changed = false; | |||
1890 | SmallVector<Init *, 8> NewArgs; | |||
1891 | NewArgs.reserve(args_size()); | |||
1892 | ||||
1893 | for (Init *Arg : args()) { | |||
1894 | Init *NewArg = Arg->resolveReferences(UR); | |||
1895 | NewArgs.push_back(NewArg); | |||
1896 | Changed |= NewArg != Arg; | |||
1897 | } | |||
1898 | ||||
1899 | if (Changed) { | |||
1900 | auto New = VarDefInit::get(Class, NewArgs); | |||
1901 | if (!UR.foundUnresolved()) | |||
1902 | return New->instantiate(); | |||
1903 | return New; | |||
1904 | } | |||
1905 | return const_cast<VarDefInit *>(this); | |||
1906 | } | |||
1907 | ||||
1908 | Init *VarDefInit::Fold() const { | |||
1909 | if (Def) | |||
1910 | return Def; | |||
1911 | ||||
1912 | TrackUnresolvedResolver R; | |||
1913 | for (Init *Arg : args()) | |||
1914 | Arg->resolveReferences(R); | |||
1915 | ||||
1916 | if (!R.foundUnresolved()) | |||
1917 | return const_cast<VarDefInit *>(this)->instantiate(); | |||
1918 | return const_cast<VarDefInit *>(this); | |||
1919 | } | |||
1920 | ||||
1921 | std::string VarDefInit::getAsString() const { | |||
1922 | std::string Result = Class->getNameInitAsString() + "<"; | |||
1923 | const char *sep = ""; | |||
1924 | for (Init *Arg : args()) { | |||
1925 | Result += sep; | |||
1926 | sep = ", "; | |||
1927 | Result += Arg->getAsString(); | |||
1928 | } | |||
1929 | return Result + ">"; | |||
1930 | } | |||
1931 | ||||
1932 | FieldInit *FieldInit::get(Init *R, StringInit *FN) { | |||
1933 | FieldInit *&I = Context->TheFieldInitPool[std::make_pair(R, FN)]; | |||
1934 | if (!I) | |||
1935 | I = new (Context->Allocator) FieldInit(R, FN); | |||
1936 | return I; | |||
1937 | } | |||
1938 | ||||
1939 | Init *FieldInit::getBit(unsigned Bit) const { | |||
1940 | if (getType() == BitRecTy::get()) | |||
1941 | return const_cast<FieldInit*>(this); | |||
1942 | return VarBitInit::get(const_cast<FieldInit*>(this), Bit); | |||
1943 | } | |||
1944 | ||||
1945 | Init *FieldInit::resolveReferences(Resolver &R) const { | |||
1946 | Init *NewRec = Rec->resolveReferences(R); | |||
1947 | if (NewRec != Rec) | |||
1948 | return FieldInit::get(NewRec, FieldName)->Fold(R.getCurrentRecord()); | |||
1949 | return const_cast<FieldInit *>(this); | |||
1950 | } | |||
1951 | ||||
1952 | Init *FieldInit::Fold(Record *CurRec) const { | |||
1953 | if (DefInit *DI = dyn_cast<DefInit>(Rec)) { | |||
1954 | Record *Def = DI->getDef(); | |||
1955 | if (Def == CurRec) | |||
1956 | PrintFatalError(CurRec->getLoc(), | |||
1957 | Twine("Attempting to access field '") + | |||
1958 | FieldName->getAsUnquotedString() + "' of '" + | |||
1959 | Rec->getAsString() + "' is a forbidden self-reference"); | |||
1960 | Init *FieldVal = Def->getValue(FieldName)->getValue(); | |||
1961 | if (FieldVal->isConcrete()) | |||
1962 | return FieldVal; | |||
1963 | } | |||
1964 | return const_cast<FieldInit *>(this); | |||
1965 | } | |||
1966 | ||||
1967 | bool FieldInit::isConcrete() const { | |||
1968 | if (DefInit *DI = dyn_cast<DefInit>(Rec)) { | |||
1969 | Init *FieldVal = DI->getDef()->getValue(FieldName)->getValue(); | |||
1970 | return FieldVal->isConcrete(); | |||
1971 | } | |||
1972 | return false; | |||
1973 | } | |||
1974 | ||||
1975 | static void ProfileCondOpInit(FoldingSetNodeID &ID, | |||
1976 | ArrayRef<Init *> CondRange, | |||
1977 | ArrayRef<Init *> ValRange, | |||
1978 | const RecTy *ValType) { | |||
1979 | assert(CondRange.size() == ValRange.size() &&(static_cast <bool> (CondRange.size() == ValRange.size( ) && "Number of conditions and values must match!") ? void (0) : __assert_fail ("CondRange.size() == ValRange.size() && \"Number of conditions and values must match!\"" , "llvm/lib/TableGen/Record.cpp", 1980, __extension__ __PRETTY_FUNCTION__ )) | |||
1980 | "Number of conditions and values must match!")(static_cast <bool> (CondRange.size() == ValRange.size( ) && "Number of conditions and values must match!") ? void (0) : __assert_fail ("CondRange.size() == ValRange.size() && \"Number of conditions and values must match!\"" , "llvm/lib/TableGen/Record.cpp", 1980, __extension__ __PRETTY_FUNCTION__ )); | |||
1981 | ID.AddPointer(ValType); | |||
1982 | ArrayRef<Init *>::iterator Case = CondRange.begin(); | |||
1983 | ArrayRef<Init *>::iterator Val = ValRange.begin(); | |||
1984 | ||||
1985 | while (Case != CondRange.end()) { | |||
1986 | ID.AddPointer(*Case++); | |||
1987 | ID.AddPointer(*Val++); | |||
1988 | } | |||
1989 | } | |||
1990 | ||||
1991 | void CondOpInit::Profile(FoldingSetNodeID &ID) const { | |||
1992 | ProfileCondOpInit(ID, | |||
1993 | makeArrayRef(getTrailingObjects<Init *>(), NumConds), | |||
1994 | makeArrayRef(getTrailingObjects<Init *>() + NumConds, NumConds), | |||
1995 | ValType); | |||
1996 | } | |||
1997 | ||||
1998 | CondOpInit * | |||
1999 | CondOpInit::get(ArrayRef<Init *> CondRange, | |||
2000 | ArrayRef<Init *> ValRange, RecTy *Ty) { | |||
2001 | assert(CondRange.size() == ValRange.size() &&(static_cast <bool> (CondRange.size() == ValRange.size( ) && "Number of conditions and values must match!") ? void (0) : __assert_fail ("CondRange.size() == ValRange.size() && \"Number of conditions and values must match!\"" , "llvm/lib/TableGen/Record.cpp", 2002, __extension__ __PRETTY_FUNCTION__ )) | |||
2002 | "Number of conditions and values must match!")(static_cast <bool> (CondRange.size() == ValRange.size( ) && "Number of conditions and values must match!") ? void (0) : __assert_fail ("CondRange.size() == ValRange.size() && \"Number of conditions and values must match!\"" , "llvm/lib/TableGen/Record.cpp", 2002, __extension__ __PRETTY_FUNCTION__ )); | |||
2003 | ||||
2004 | FoldingSetNodeID ID; | |||
2005 | ProfileCondOpInit(ID, CondRange, ValRange, Ty); | |||
2006 | ||||
2007 | void *IP = nullptr; | |||
2008 | if (CondOpInit *I = Context->TheCondOpInitPool.FindNodeOrInsertPos(ID, IP)) | |||
2009 | return I; | |||
2010 | ||||
2011 | void *Mem = Context->Allocator.Allocate( | |||
2012 | totalSizeToAlloc<Init *>(2 * CondRange.size()), alignof(BitsInit)); | |||
2013 | CondOpInit *I = new(Mem) CondOpInit(CondRange.size(), Ty); | |||
2014 | ||||
2015 | std::uninitialized_copy(CondRange.begin(), CondRange.end(), | |||
2016 | I->getTrailingObjects<Init *>()); | |||
2017 | std::uninitialized_copy(ValRange.begin(), ValRange.end(), | |||
2018 | I->getTrailingObjects<Init *>()+CondRange.size()); | |||
2019 | Context->TheCondOpInitPool.InsertNode(I, IP); | |||
2020 | return I; | |||
2021 | } | |||
2022 | ||||
2023 | Init *CondOpInit::resolveReferences(Resolver &R) const { | |||
2024 | SmallVector<Init*, 4> NewConds; | |||
2025 | bool Changed = false; | |||
2026 | for (const Init *Case : getConds()) { | |||
2027 | Init *NewCase = Case->resolveReferences(R); | |||
2028 | NewConds.push_back(NewCase); | |||
2029 | Changed |= NewCase != Case; | |||
2030 | } | |||
2031 | ||||
2032 | SmallVector<Init*, 4> NewVals; | |||
2033 | for (const Init *Val : getVals()) { | |||
2034 | Init *NewVal = Val->resolveReferences(R); | |||
2035 | NewVals.push_back(NewVal); | |||
2036 | Changed |= NewVal != Val; | |||
2037 | } | |||
2038 | ||||
2039 | if (Changed) | |||
2040 | return (CondOpInit::get(NewConds, NewVals, | |||
2041 | getValType()))->Fold(R.getCurrentRecord()); | |||
2042 | ||||
2043 | return const_cast<CondOpInit *>(this); | |||
2044 | } | |||
2045 | ||||
2046 | Init *CondOpInit::Fold(Record *CurRec) const { | |||
2047 | for ( unsigned i = 0; i < NumConds; ++i) { | |||
2048 | Init *Cond = getCond(i); | |||
2049 | Init *Val = getVal(i); | |||
2050 | ||||
2051 | if (IntInit *CondI = dyn_cast_or_null<IntInit>( | |||
2052 | Cond->convertInitializerTo(IntRecTy::get()))) { | |||
2053 | if (CondI->getValue()) | |||
2054 | return Val->convertInitializerTo(getValType()); | |||
2055 | } else | |||
2056 | return const_cast<CondOpInit *>(this); | |||
2057 | } | |||
2058 | ||||
2059 | PrintFatalError(CurRec->getLoc(), | |||
2060 | CurRec->getName() + | |||
2061 | " does not have any true condition in:" + | |||
2062 | this->getAsString()); | |||
2063 | return nullptr; | |||
2064 | } | |||
2065 | ||||
2066 | bool CondOpInit::isConcrete() const { | |||
2067 | for (const Init *Case : getConds()) | |||
2068 | if (!Case->isConcrete()) | |||
2069 | return false; | |||
2070 | ||||
2071 | for (const Init *Val : getVals()) | |||
2072 | if (!Val->isConcrete()) | |||
2073 | return false; | |||
2074 | ||||
2075 | return true; | |||
2076 | } | |||
2077 | ||||
2078 | bool CondOpInit::isComplete() const { | |||
2079 | for (const Init *Case : getConds()) | |||
2080 | if (!Case->isComplete()) | |||
2081 | return false; | |||
2082 | ||||
2083 | for (const Init *Val : getVals()) | |||
2084 | if (!Val->isConcrete()) | |||
2085 | return false; | |||
2086 | ||||
2087 | return true; | |||
2088 | } | |||
2089 | ||||
2090 | std::string CondOpInit::getAsString() const { | |||
2091 | std::string Result = "!cond("; | |||
2092 | for (unsigned i = 0; i < getNumConds(); i++) { | |||
2093 | Result += getCond(i)->getAsString() + ": "; | |||
2094 | Result += getVal(i)->getAsString(); | |||
2095 | if (i != getNumConds()-1) | |||
2096 | Result += ", "; | |||
2097 | } | |||
2098 | return Result + ")"; | |||
2099 | } | |||
2100 | ||||
2101 | Init *CondOpInit::getBit(unsigned Bit) const { | |||
2102 | return VarBitInit::get(const_cast<CondOpInit *>(this), Bit); | |||
2103 | } | |||
2104 | ||||
2105 | static void ProfileDagInit(FoldingSetNodeID &ID, Init *V, StringInit *VN, | |||
2106 | ArrayRef<Init *> ArgRange, | |||
2107 | ArrayRef<StringInit *> NameRange) { | |||
2108 | ID.AddPointer(V); | |||
2109 | ID.AddPointer(VN); | |||
2110 | ||||
2111 | ArrayRef<Init *>::iterator Arg = ArgRange.begin(); | |||
2112 | ArrayRef<StringInit *>::iterator Name = NameRange.begin(); | |||
2113 | while (Arg != ArgRange.end()) { | |||
2114 | assert(Name != NameRange.end() && "Arg name underflow!")(static_cast <bool> (Name != NameRange.end() && "Arg name underflow!") ? void (0) : __assert_fail ("Name != NameRange.end() && \"Arg name underflow!\"" , "llvm/lib/TableGen/Record.cpp", 2114, __extension__ __PRETTY_FUNCTION__ )); | |||
2115 | ID.AddPointer(*Arg++); | |||
2116 | ID.AddPointer(*Name++); | |||
2117 | } | |||
2118 | assert(Name == NameRange.end() && "Arg name overflow!")(static_cast <bool> (Name == NameRange.end() && "Arg name overflow!") ? void (0) : __assert_fail ("Name == NameRange.end() && \"Arg name overflow!\"" , "llvm/lib/TableGen/Record.cpp", 2118, __extension__ __PRETTY_FUNCTION__ )); | |||
2119 | } | |||
2120 | ||||
2121 | DagInit *DagInit::get(Init *V, StringInit *VN, ArrayRef<Init *> ArgRange, | |||
2122 | ArrayRef<StringInit *> NameRange) { | |||
2123 | FoldingSetNodeID ID; | |||
2124 | ProfileDagInit(ID, V, VN, ArgRange, NameRange); | |||
2125 | ||||
2126 | void *IP = nullptr; | |||
2127 | if (DagInit *I = Context->TheDagInitPool.FindNodeOrInsertPos(ID, IP)) | |||
2128 | return I; | |||
2129 | ||||
2130 | void *Mem = Context->Allocator.Allocate( | |||
2131 | totalSizeToAlloc<Init *, StringInit *>(ArgRange.size(), NameRange.size()), | |||
2132 | alignof(BitsInit)); | |||
2133 | DagInit *I = new (Mem) DagInit(V, VN, ArgRange.size(), NameRange.size()); | |||
2134 | std::uninitialized_copy(ArgRange.begin(), ArgRange.end(), | |||
2135 | I->getTrailingObjects<Init *>()); | |||
2136 | std::uninitialized_copy(NameRange.begin(), NameRange.end(), | |||
2137 | I->getTrailingObjects<StringInit *>()); | |||
2138 | Context->TheDagInitPool.InsertNode(I, IP); | |||
2139 | return I; | |||
2140 | } | |||
2141 | ||||
2142 | DagInit * | |||
2143 | DagInit::get(Init *V, StringInit *VN, | |||
2144 | ArrayRef<std::pair<Init*, StringInit*>> args) { | |||
2145 | SmallVector<Init *, 8> Args; | |||
2146 | SmallVector<StringInit *, 8> Names; | |||
2147 | ||||
2148 | for (const auto &Arg : args) { | |||
2149 | Args.push_back(Arg.first); | |||
2150 | Names.push_back(Arg.second); | |||
2151 | } | |||
2152 | ||||
2153 | return DagInit::get(V, VN, Args, Names); | |||
2154 | } | |||
2155 | ||||
2156 | void DagInit::Profile(FoldingSetNodeID &ID) const { | |||
2157 | ProfileDagInit(ID, Val, ValName, makeArrayRef(getTrailingObjects<Init *>(), NumArgs), makeArrayRef(getTrailingObjects<StringInit *>(), NumArgNames)); | |||
2158 | } | |||
2159 | ||||
2160 | Record *DagInit::getOperatorAsDef(ArrayRef<SMLoc> Loc) const { | |||
2161 | if (DefInit *DefI = dyn_cast<DefInit>(Val)) | |||
2162 | return DefI->getDef(); | |||
2163 | PrintFatalError(Loc, "Expected record as operator"); | |||
2164 | return nullptr; | |||
2165 | } | |||
2166 | ||||
2167 | Init *DagInit::resolveReferences(Resolver &R) const { | |||
2168 | SmallVector<Init*, 8> NewArgs; | |||
2169 | NewArgs.reserve(arg_size()); | |||
2170 | bool ArgsChanged = false; | |||
2171 | for (const Init *Arg : getArgs()) { | |||
2172 | Init *NewArg = Arg->resolveReferences(R); | |||
2173 | NewArgs.push_back(NewArg); | |||
2174 | ArgsChanged |= NewArg != Arg; | |||
2175 | } | |||
2176 | ||||
2177 | Init *Op = Val->resolveReferences(R); | |||
2178 | if (Op != Val || ArgsChanged) | |||
2179 | return DagInit::get(Op, ValName, NewArgs, getArgNames()); | |||
2180 | ||||
2181 | return const_cast<DagInit *>(this); | |||
2182 | } | |||
2183 | ||||
2184 | bool DagInit::isConcrete() const { | |||
2185 | if (!Val->isConcrete()) | |||
2186 | return false; | |||
2187 | for (const Init *Elt : getArgs()) { | |||
2188 | if (!Elt->isConcrete()) | |||
2189 | return false; | |||
2190 | } | |||
2191 | return true; | |||
2192 | } | |||
2193 | ||||
2194 | std::string DagInit::getAsString() const { | |||
2195 | std::string Result = "(" + Val->getAsString(); | |||
2196 | if (ValName) | |||
2197 | Result += ":" + ValName->getAsUnquotedString(); | |||
2198 | if (!arg_empty()) { | |||
2199 | Result += " " + getArg(0)->getAsString(); | |||
2200 | if (getArgName(0)) Result += ":$" + getArgName(0)->getAsUnquotedString(); | |||
2201 | for (unsigned i = 1, e = getNumArgs(); i != e; ++i) { | |||
2202 | Result += ", " + getArg(i)->getAsString(); | |||
2203 | if (getArgName(i)) Result += ":$" + getArgName(i)->getAsUnquotedString(); | |||
2204 | } | |||
2205 | } | |||
2206 | return Result + ")"; | |||
2207 | } | |||
2208 | ||||
2209 | //===----------------------------------------------------------------------===// | |||
2210 | // Other implementations | |||
2211 | //===----------------------------------------------------------------------===// | |||
2212 | ||||
2213 | RecordVal::RecordVal(Init *N, RecTy *T, FieldKind K) | |||
2214 | : Name(N), TyAndKind(T, K) { | |||
2215 | setValue(UnsetInit::get()); | |||
2216 | assert(Value && "Cannot create unset value for current type!")(static_cast <bool> (Value && "Cannot create unset value for current type!" ) ? void (0) : __assert_fail ("Value && \"Cannot create unset value for current type!\"" , "llvm/lib/TableGen/Record.cpp", 2216, __extension__ __PRETTY_FUNCTION__ )); | |||
2217 | } | |||
2218 | ||||
2219 | // This constructor accepts the same arguments as the above, but also | |||
2220 | // a source location. | |||
2221 | RecordVal::RecordVal(Init *N, SMLoc Loc, RecTy *T, FieldKind K) | |||
2222 | : Name(N), Loc(Loc), TyAndKind(T, K) { | |||
2223 | setValue(UnsetInit::get()); | |||
2224 | assert(Value && "Cannot create unset value for current type!")(static_cast <bool> (Value && "Cannot create unset value for current type!" ) ? void (0) : __assert_fail ("Value && \"Cannot create unset value for current type!\"" , "llvm/lib/TableGen/Record.cpp", 2224, __extension__ __PRETTY_FUNCTION__ )); | |||
2225 | } | |||
2226 | ||||
2227 | StringRef RecordVal::getName() const { | |||
2228 | return cast<StringInit>(getNameInit())->getValue(); | |||
2229 | } | |||
2230 | ||||
2231 | std::string RecordVal::getPrintType() const { | |||
2232 | if (getType() == StringRecTy::get()) { | |||
2233 | if (auto *StrInit = dyn_cast<StringInit>(Value)) { | |||
2234 | if (StrInit->hasCodeFormat()) | |||
2235 | return "code"; | |||
2236 | else | |||
2237 | return "string"; | |||
2238 | } else { | |||
2239 | return "string"; | |||
2240 | } | |||
2241 | } else { | |||
2242 | return TyAndKind.getPointer()->getAsString(); | |||
2243 | } | |||
2244 | } | |||
2245 | ||||
2246 | bool RecordVal::setValue(Init *V) { | |||
2247 | if (V) { | |||
2248 | Value = V->getCastTo(getType()); | |||
2249 | if (Value) { | |||
2250 | assert(!isa<TypedInit>(Value) ||(static_cast <bool> (!isa<TypedInit>(Value) || cast <TypedInit>(Value)->getType()->typeIsA(getType()) ) ? void (0) : __assert_fail ("!isa<TypedInit>(Value) || cast<TypedInit>(Value)->getType()->typeIsA(getType())" , "llvm/lib/TableGen/Record.cpp", 2251, __extension__ __PRETTY_FUNCTION__ )) | |||
2251 | cast<TypedInit>(Value)->getType()->typeIsA(getType()))(static_cast <bool> (!isa<TypedInit>(Value) || cast <TypedInit>(Value)->getType()->typeIsA(getType()) ) ? void (0) : __assert_fail ("!isa<TypedInit>(Value) || cast<TypedInit>(Value)->getType()->typeIsA(getType())" , "llvm/lib/TableGen/Record.cpp", 2251, __extension__ __PRETTY_FUNCTION__ )); | |||
2252 | if (BitsRecTy *BTy = dyn_cast<BitsRecTy>(getType())) { | |||
2253 | if (!isa<BitsInit>(Value)) { | |||
2254 | SmallVector<Init *, 64> Bits; | |||
2255 | Bits.reserve(BTy->getNumBits()); | |||
2256 | for (unsigned I = 0, E = BTy->getNumBits(); I < E; ++I) | |||
2257 | Bits.push_back(Value->getBit(I)); | |||
2258 | Value = BitsInit::get(Bits); | |||
2259 | } | |||
2260 | } | |||
2261 | } | |||
2262 | return Value == nullptr; | |||
2263 | } | |||
2264 | Value = nullptr; | |||
2265 | return false; | |||
2266 | } | |||
2267 | ||||
2268 | // This version of setValue takes a source location and resets the | |||
2269 | // location in the RecordVal. | |||
2270 | bool RecordVal::setValue(Init *V, SMLoc NewLoc) { | |||
2271 | Loc = NewLoc; | |||
2272 | if (V) { | |||
2273 | Value = V->getCastTo(getType()); | |||
2274 | if (Value) { | |||
2275 | assert(!isa<TypedInit>(Value) ||(static_cast <bool> (!isa<TypedInit>(Value) || cast <TypedInit>(Value)->getType()->typeIsA(getType()) ) ? void (0) : __assert_fail ("!isa<TypedInit>(Value) || cast<TypedInit>(Value)->getType()->typeIsA(getType())" , "llvm/lib/TableGen/Record.cpp", 2276, __extension__ __PRETTY_FUNCTION__ )) | |||
2276 | cast<TypedInit>(Value)->getType()->typeIsA(getType()))(static_cast <bool> (!isa<TypedInit>(Value) || cast <TypedInit>(Value)->getType()->typeIsA(getType()) ) ? void (0) : __assert_fail ("!isa<TypedInit>(Value) || cast<TypedInit>(Value)->getType()->typeIsA(getType())" , "llvm/lib/TableGen/Record.cpp", 2276, __extension__ __PRETTY_FUNCTION__ )); | |||
2277 | if (BitsRecTy *BTy = dyn_cast<BitsRecTy>(getType())) { | |||
2278 | if (!isa<BitsInit>(Value)) { | |||
2279 | SmallVector<Init *, 64> Bits; | |||
2280 | Bits.reserve(BTy->getNumBits()); | |||
2281 | for (unsigned I = 0, E = BTy->getNumBits(); I < E; ++I) | |||
2282 | Bits.push_back(Value->getBit(I)); | |||
2283 | Value = BitsInit::get(Bits); | |||
2284 | } | |||
2285 | } | |||
2286 | } | |||
2287 | return Value == nullptr; | |||
2288 | } | |||
2289 | Value = nullptr; | |||
2290 | return false; | |||
2291 | } | |||
2292 | ||||
2293 | #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) | |||
2294 | #include "llvm/TableGen/Record.h" | |||
2295 | LLVM_DUMP_METHOD__attribute__((noinline)) __attribute__((__used__)) void RecordVal::dump() const { errs() << *this; } | |||
2296 | #endif | |||
2297 | ||||
2298 | void RecordVal::print(raw_ostream &OS, bool PrintSem) const { | |||
2299 | if (isNonconcreteOK()) OS << "field "; | |||
2300 | OS << getPrintType() << " " << getNameInitAsString(); | |||
2301 | ||||
2302 | if (getValue()) | |||
2303 | OS << " = " << *getValue(); | |||
2304 | ||||
2305 | if (PrintSem) OS << ";\n"; | |||
2306 | } | |||
2307 | ||||
2308 | void Record::checkName() { | |||
2309 | // Ensure the record name has string type. | |||
2310 | const TypedInit *TypedName = cast<const TypedInit>(Name); | |||
2311 | if (!isa<StringRecTy>(TypedName->getType())) | |||
2312 | PrintFatalError(getLoc(), Twine("Record name '") + Name->getAsString() + | |||
2313 | "' is not a string!"); | |||
2314 | } | |||
2315 | ||||
2316 | RecordRecTy *Record::getType() { | |||
2317 | SmallVector<Record *, 4> DirectSCs; | |||
2318 | getDirectSuperClasses(DirectSCs); | |||
2319 | return RecordRecTy::get(DirectSCs); | |||
2320 | } | |||
2321 | ||||
2322 | DefInit *Record::getDefInit() { | |||
2323 | if (!CorrespondingDefInit) | |||
2324 | CorrespondingDefInit = new (Context->Allocator) DefInit(this); | |||
2325 | return CorrespondingDefInit; | |||
2326 | } | |||
2327 | ||||
2328 | unsigned Record::getNewUID() { return Context->LastRecordID++; } | |||
2329 | ||||
2330 | void Record::setName(Init *NewName) { | |||
2331 | Name = NewName; | |||
2332 | checkName(); | |||
2333 | // DO NOT resolve record values to the name at this point because | |||
2334 | // there might be default values for arguments of this def. Those | |||
2335 | // arguments might not have been resolved yet so we don't want to | |||
2336 | // prematurely assume values for those arguments were not passed to | |||
2337 | // this def. | |||
2338 | // | |||
2339 | // Nonetheless, it may be that some of this Record's values | |||
2340 | // reference the record name. Indeed, the reason for having the | |||
2341 | // record name be an Init is to provide this flexibility. The extra | |||
2342 | // resolve steps after completely instantiating defs takes care of | |||
2343 | // this. See TGParser::ParseDef and TGParser::ParseDefm. | |||
2344 | } | |||
2345 | ||||
2346 | // NOTE for the next two functions: | |||
2347 | // Superclasses are in post-order, so the final one is a direct | |||
2348 | // superclass. All of its transitive superclases immediately precede it, | |||
2349 | // so we can step through the direct superclasses in reverse order. | |||
2350 | ||||
2351 | bool Record::hasDirectSuperClass(const Record *Superclass) const { | |||
2352 | ArrayRef<std::pair<Record *, SMRange>> SCs = getSuperClasses(); | |||
2353 | ||||
2354 | for (int I = SCs.size() - 1; I >= 0; --I) { | |||
2355 | const Record *SC = SCs[I].first; | |||
2356 | if (SC == Superclass) | |||
2357 | return true; | |||
2358 | I -= SC->getSuperClasses().size(); | |||
2359 | } | |||
2360 | ||||
2361 | return false; | |||
2362 | } | |||
2363 | ||||
2364 | void Record::getDirectSuperClasses(SmallVectorImpl<Record *> &Classes) const { | |||
2365 | ArrayRef<std::pair<Record *, SMRange>> SCs = getSuperClasses(); | |||
2366 | ||||
2367 | while (!SCs.empty()) { | |||
2368 | Record *SC = SCs.back().first; | |||
2369 | SCs = SCs.drop_back(1 + SC->getSuperClasses().size()); | |||
2370 | Classes.push_back(SC); | |||
2371 | } | |||
2372 | } | |||
2373 | ||||
2374 | void Record::resolveReferences(Resolver &R, const RecordVal *SkipVal) { | |||
2375 | Init *OldName = getNameInit(); | |||
2376 | Init *NewName = Name->resolveReferences(R); | |||
2377 | if (NewName != OldName) { | |||
2378 | // Re-register with RecordKeeper. | |||
2379 | setName(NewName); | |||
2380 | } | |||
2381 | ||||
2382 | // Resolve the field values. | |||
2383 | for (RecordVal &Value : Values) { | |||
2384 | if (SkipVal == &Value) // Skip resolve the same field as the given one | |||
2385 | continue; | |||
2386 | if (Init *V = Value.getValue()) { | |||
2387 | Init *VR = V->resolveReferences(R); | |||
2388 | if (Value.setValue(VR)) { | |||
2389 | std::string Type; | |||
2390 | if (TypedInit *VRT = dyn_cast<TypedInit>(VR)) | |||
2391 | Type = | |||
2392 | (Twine("of type '") + VRT->getType()->getAsString() + "' ").str(); | |||
2393 | PrintFatalError( | |||
2394 | getLoc(), | |||
2395 | Twine("Invalid value ") + Type + "found when setting field '" + | |||
2396 | Value.getNameInitAsString() + "' of type '" + | |||
2397 | Value.getType()->getAsString() + | |||
2398 | "' after resolving references: " + VR->getAsUnquotedString() + | |||
2399 | "\n"); | |||
2400 | } | |||
2401 | } | |||
2402 | } | |||
2403 | ||||
2404 | // Resolve the assertion expressions. | |||
2405 | for (auto &Assertion : Assertions) { | |||
2406 | Init *Value = Assertion.Condition->resolveReferences(R); | |||
2407 | Assertion.Condition = Value; | |||
2408 | Value = Assertion.Message->resolveReferences(R); | |||
2409 | Assertion.Message = Value; | |||
2410 | } | |||
2411 | } | |||
2412 | ||||
2413 | void Record::resolveReferences(Init *NewName) { | |||
2414 | RecordResolver R(*this); | |||
2415 | R.setName(NewName); | |||
2416 | R.setFinal(true); | |||
2417 | resolveReferences(R); | |||
2418 | } | |||
2419 | ||||
2420 | #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) | |||
2421 | LLVM_DUMP_METHOD__attribute__((noinline)) __attribute__((__used__)) void Record::dump() const { errs() << *this; } | |||
2422 | #endif | |||
2423 | ||||
2424 | raw_ostream &llvm::operator<<(raw_ostream &OS, const Record &R) { | |||
2425 | OS << R.getNameInitAsString(); | |||
2426 | ||||
2427 | ArrayRef<Init *> TArgs = R.getTemplateArgs(); | |||
2428 | if (!TArgs.empty()) { | |||
2429 | OS << "<"; | |||
2430 | bool NeedComma = false; | |||
2431 | for (const Init *TA : TArgs) { | |||
2432 | if (NeedComma) OS << ", "; | |||
2433 | NeedComma = true; | |||
2434 | const RecordVal *RV = R.getValue(TA); | |||
2435 | assert(RV && "Template argument record not found??")(static_cast <bool> (RV && "Template argument record not found??" ) ? void (0) : __assert_fail ("RV && \"Template argument record not found??\"" , "llvm/lib/TableGen/Record.cpp", 2435, __extension__ __PRETTY_FUNCTION__ )); | |||
2436 | RV->print(OS, false); | |||
2437 | } | |||
2438 | OS << ">"; | |||
2439 | } | |||
2440 | ||||
2441 | OS << " {"; | |||
2442 | ArrayRef<std::pair<Record *, SMRange>> SC = R.getSuperClasses(); | |||
2443 | if (!SC.empty()) { | |||
2444 | OS << "\t//"; | |||
2445 | for (const auto &SuperPair : SC) | |||
2446 | OS << " " << SuperPair.first->getNameInitAsString(); | |||
2447 | } | |||
2448 | OS << "\n"; | |||
2449 | ||||
2450 | for (const RecordVal &Val : R.getValues()) | |||
2451 | if (Val.isNonconcreteOK() && !R.isTemplateArg(Val.getNameInit())) | |||
2452 | OS << Val; | |||
2453 | for (const RecordVal &Val : R.getValues()) | |||
2454 | if (!Val.isNonconcreteOK() && !R.isTemplateArg(Val.getNameInit())) | |||
2455 | OS << Val; | |||
2456 | ||||
2457 | return OS << "}\n"; | |||
2458 | } | |||
2459 | ||||
2460 | SMLoc Record::getFieldLoc(StringRef FieldName) const { | |||
2461 | const RecordVal *R = getValue(FieldName); | |||
2462 | if (!R) | |||
2463 | PrintFatalError(getLoc(), "Record `" + getName() + | |||
2464 | "' does not have a field named `" + FieldName + "'!\n"); | |||
2465 | return R->getLoc(); | |||
2466 | } | |||
2467 | ||||
2468 | Init *Record::getValueInit(StringRef FieldName) const { | |||
2469 | const RecordVal *R = getValue(FieldName); | |||
2470 | if (!R || !R->getValue()) | |||
2471 | PrintFatalError(getLoc(), "Record `" + getName() + | |||
2472 | "' does not have a field named `" + FieldName + "'!\n"); | |||
2473 | return R->getValue(); | |||
2474 | } | |||
2475 | ||||
2476 | StringRef Record::getValueAsString(StringRef FieldName) const { | |||
2477 | llvm::Optional<StringRef> S = getValueAsOptionalString(FieldName); | |||
2478 | if (!S.hasValue()) | |||
2479 | PrintFatalError(getLoc(), "Record `" + getName() + | |||
2480 | "' does not have a field named `" + FieldName + "'!\n"); | |||
2481 | return S.getValue(); | |||
2482 | } | |||
2483 | ||||
2484 | llvm::Optional<StringRef> | |||
2485 | Record::getValueAsOptionalString(StringRef FieldName) const { | |||
2486 | const RecordVal *R = getValue(FieldName); | |||
2487 | if (!R || !R->getValue()) | |||
2488 | return llvm::Optional<StringRef>(); | |||
2489 | if (isa<UnsetInit>(R->getValue())) | |||
2490 | return llvm::Optional<StringRef>(); | |||
2491 | ||||
2492 | if (StringInit *SI = dyn_cast<StringInit>(R->getValue())) | |||
2493 | return SI->getValue(); | |||
2494 | ||||
2495 | PrintFatalError(getLoc(), | |||
2496 | "Record `" + getName() + "', ` field `" + FieldName + | |||
2497 | "' exists but does not have a string initializer!"); | |||
2498 | } | |||
2499 | ||||
2500 | BitsInit *Record::getValueAsBitsInit(StringRef FieldName) const { | |||
2501 | const RecordVal *R = getValue(FieldName); | |||
2502 | if (!R || !R->getValue()) | |||
2503 | PrintFatalError(getLoc(), "Record `" + getName() + | |||
2504 | "' does not have a field named `" + FieldName + "'!\n"); | |||
2505 | ||||
2506 | if (BitsInit *BI = dyn_cast<BitsInit>(R->getValue())) | |||
2507 | return BI; | |||
2508 | PrintFatalError(getLoc(), "Record `" + getName() + "', field `" + FieldName + | |||
2509 | "' exists but does not have a bits value"); | |||
2510 | } | |||
2511 | ||||
2512 | ListInit *Record::getValueAsListInit(StringRef FieldName) const { | |||
2513 | const RecordVal *R = getValue(FieldName); | |||
2514 | if (!R || !R->getValue()) | |||
2515 | PrintFatalError(getLoc(), "Record `" + getName() + | |||
2516 | "' does not have a field named `" + FieldName + "'!\n"); | |||
2517 | ||||
2518 | if (ListInit *LI = dyn_cast<ListInit>(R->getValue())) | |||
2519 | return LI; | |||
2520 | PrintFatalError(getLoc(), "Record `" + getName() + "', field `" + FieldName + | |||
2521 | "' exists but does not have a list value"); | |||
2522 | } | |||
2523 | ||||
2524 | std::vector<Record*> | |||
2525 | Record::getValueAsListOfDefs(StringRef FieldName) const { | |||
2526 | ListInit *List = getValueAsListInit(FieldName); | |||
2527 | std::vector<Record*> Defs; | |||
2528 | for (Init *I : List->getValues()) { | |||
2529 | if (DefInit *DI = dyn_cast<DefInit>(I)) | |||
2530 | Defs.push_back(DI->getDef()); | |||
2531 | else | |||
2532 | PrintFatalError(getLoc(), "Record `" + getName() + "', field `" + | |||
2533 | FieldName + "' list is not entirely DefInit!"); | |||
2534 | } | |||
2535 | return Defs; | |||
2536 | } | |||
2537 | ||||
2538 | int64_t Record::getValueAsInt(StringRef FieldName) const { | |||
2539 | const RecordVal *R = getValue(FieldName); | |||
2540 | if (!R || !R->getValue()) | |||
2541 | PrintFatalError(getLoc(), "Record `" + getName() + | |||
2542 | "' does not have a field named `" + FieldName + "'!\n"); | |||
2543 | ||||
2544 | if (IntInit *II = dyn_cast<IntInit>(R->getValue())) | |||
2545 | return II->getValue(); | |||
2546 | PrintFatalError(getLoc(), Twine("Record `") + getName() + "', field `" + | |||
2547 | FieldName + | |||
2548 | "' exists but does not have an int value: " + | |||
2549 | R->getValue()->getAsString()); | |||
2550 | } | |||
2551 | ||||
2552 | std::vector<int64_t> | |||
2553 | Record::getValueAsListOfInts(StringRef FieldName) const { | |||
2554 | ListInit *List = getValueAsListInit(FieldName); | |||
2555 | std::vector<int64_t> Ints; | |||
2556 | for (Init *I : List->getValues()) { | |||
2557 | if (IntInit *II = dyn_cast<IntInit>(I)) | |||
2558 | Ints.push_back(II->getValue()); | |||
2559 | else | |||
2560 | PrintFatalError(getLoc(), | |||
2561 | Twine("Record `") + getName() + "', field `" + FieldName + | |||
2562 | "' exists but does not have a list of ints value: " + | |||
2563 | I->getAsString()); | |||
2564 | } | |||
2565 | return Ints; | |||
2566 | } | |||
2567 | ||||
2568 | std::vector<StringRef> | |||
2569 | Record::getValueAsListOfStrings(StringRef FieldName) const { | |||
2570 | ListInit *List = getValueAsListInit(FieldName); | |||
2571 | std::vector<StringRef> Strings; | |||
2572 | for (Init *I : List->getValues()) { | |||
2573 | if (StringInit *SI = dyn_cast<StringInit>(I)) | |||
2574 | Strings.push_back(SI->getValue()); | |||
2575 | else | |||
2576 | PrintFatalError(getLoc(), | |||
2577 | Twine("Record `") + getName() + "', field `" + FieldName + | |||
2578 | "' exists but does not have a list of strings value: " + | |||
2579 | I->getAsString()); | |||
2580 | } | |||
2581 | return Strings; | |||
2582 | } | |||
2583 | ||||
2584 | Record *Record::getValueAsDef(StringRef FieldName) const { | |||
2585 | const RecordVal *R = getValue(FieldName); | |||
2586 | if (!R || !R->getValue()) | |||
2587 | PrintFatalError(getLoc(), "Record `" + getName() + | |||
2588 | "' does not have a field named `" + FieldName + "'!\n"); | |||
2589 | ||||
2590 | if (DefInit *DI = dyn_cast<DefInit>(R->getValue())) | |||
2591 | return DI->getDef(); | |||
2592 | PrintFatalError(getLoc(), "Record `" + getName() + "', field `" + | |||
2593 | FieldName + "' does not have a def initializer!"); | |||
2594 | } | |||
2595 | ||||
2596 | Record *Record::getValueAsOptionalDef(StringRef FieldName) const { | |||
2597 | const RecordVal *R = getValue(FieldName); | |||
2598 | if (!R || !R->getValue()) | |||
2599 | PrintFatalError(getLoc(), "Record `" + getName() + | |||
2600 | "' does not have a field named `" + FieldName + "'!\n"); | |||
2601 | ||||
2602 | if (DefInit *DI = dyn_cast<DefInit>(R->getValue())) | |||
2603 | return DI->getDef(); | |||
2604 | if (isa<UnsetInit>(R->getValue())) | |||
2605 | return nullptr; | |||
2606 | PrintFatalError(getLoc(), "Record `" + getName() + "', field `" + | |||
2607 | FieldName + "' does not have either a def initializer or '?'!"); | |||
2608 | } | |||
2609 | ||||
2610 | ||||
2611 | bool Record::getValueAsBit(StringRef FieldName) const { | |||
2612 | const RecordVal *R = getValue(FieldName); | |||
2613 | if (!R || !R->getValue()) | |||
2614 | PrintFatalError(getLoc(), "Record `" + getName() + | |||
2615 | "' does not have a field named `" + FieldName + "'!\n"); | |||
2616 | ||||
2617 | if (BitInit *BI = dyn_cast<BitInit>(R->getValue())) | |||
2618 | return BI->getValue(); | |||
2619 | PrintFatalError(getLoc(), "Record `" + getName() + "', field `" + | |||
2620 | FieldName + "' does not have a bit initializer!"); | |||
2621 | } | |||
2622 | ||||
2623 | bool Record::getValueAsBitOrUnset(StringRef FieldName, bool &Unset) const { | |||
2624 | const RecordVal *R = getValue(FieldName); | |||
2625 | if (!R || !R->getValue()) | |||
2626 | PrintFatalError(getLoc(), "Record `" + getName() + | |||
2627 | "' does not have a field named `" + FieldName.str() + "'!\n"); | |||
2628 | ||||
2629 | if (isa<UnsetInit>(R->getValue())) { | |||
2630 | Unset = true; | |||
2631 | return false; | |||
2632 | } | |||
2633 | Unset = false; | |||
2634 | if (BitInit *BI = dyn_cast<BitInit>(R->getValue())) | |||
2635 | return BI->getValue(); | |||
2636 | PrintFatalError(getLoc(), "Record `" + getName() + "', field `" + | |||
2637 | FieldName + "' does not have a bit initializer!"); | |||
2638 | } | |||
2639 | ||||
2640 | DagInit *Record::getValueAsDag(StringRef FieldName) const { | |||
2641 | const RecordVal *R = getValue(FieldName); | |||
2642 | if (!R || !R->getValue()) | |||
2643 | PrintFatalError(getLoc(), "Record `" + getName() + | |||
2644 | "' does not have a field named `" + FieldName + "'!\n"); | |||
2645 | ||||
2646 | if (DagInit *DI = dyn_cast<DagInit>(R->getValue())) | |||
2647 | return DI; | |||
2648 | PrintFatalError(getLoc(), "Record `" + getName() + "', field `" + | |||
2649 | FieldName + "' does not have a dag initializer!"); | |||
2650 | } | |||
2651 | ||||
2652 | // Check all record assertions: For each one, resolve the condition | |||
2653 | // and message, then call CheckAssert(). | |||
2654 | // Note: The condition and message are probably already resolved, | |||
2655 | // but resolving again allows calls before records are resolved. | |||
2656 | void Record::checkRecordAssertions() { | |||
2657 | RecordResolver R(*this); | |||
2658 | R.setFinal(true); | |||
2659 | ||||
2660 | for (const auto &Assertion : getAssertions()) { | |||
2661 | Init *Condition = Assertion.Condition->resolveReferences(R); | |||
2662 | Init *Message = Assertion.Message->resolveReferences(R); | |||
2663 | CheckAssert(Assertion.Loc, Condition, Message); | |||
2664 | } | |||
2665 | } | |||
2666 | ||||
2667 | // Report a warning if the record has unused template arguments. | |||
2668 | void Record::checkUnusedTemplateArgs() { | |||
2669 | for (const Init *TA : getTemplateArgs()) { | |||
2670 | const RecordVal *Arg = getValue(TA); | |||
2671 | if (!Arg->isUsed()) | |||
2672 | PrintWarning(Arg->getLoc(), | |||
2673 | "unused template argument: " + Twine(Arg->getName())); | |||
2674 | } | |||
2675 | } | |||
2676 | ||||
2677 | #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) | |||
2678 | LLVM_DUMP_METHOD__attribute__((noinline)) __attribute__((__used__)) void RecordKeeper::dump() const { errs() << *this; } | |||
2679 | #endif | |||
2680 | ||||
2681 | raw_ostream &llvm::operator<<(raw_ostream &OS, const RecordKeeper &RK) { | |||
2682 | OS << "------------- Classes -----------------\n"; | |||
2683 | for (const auto &C : RK.getClasses()) | |||
2684 | OS << "class " << *C.second; | |||
2685 | ||||
2686 | OS << "------------- Defs -----------------\n"; | |||
2687 | for (const auto &D : RK.getDefs()) | |||
2688 | OS << "def " << *D.second; | |||
2689 | return OS; | |||
2690 | } | |||
2691 | ||||
2692 | /// GetNewAnonymousName - Generate a unique anonymous name that can be used as | |||
2693 | /// an identifier. | |||
2694 | Init *RecordKeeper::getNewAnonymousName() { | |||
2695 | return AnonymousNameInit::get(AnonCounter++); | |||
2696 | } | |||
2697 | ||||
2698 | // These functions implement the phase timing facility. Starting a timer | |||
2699 | // when one is already running stops the running one. | |||
2700 | ||||
2701 | void RecordKeeper::startTimer(StringRef Name) { | |||
2702 | if (TimingGroup) { | |||
2703 | if (LastTimer && LastTimer->isRunning()) { | |||
2704 | LastTimer->stopTimer(); | |||
2705 | if (BackendTimer) { | |||
2706 | LastTimer->clear(); | |||
2707 | BackendTimer = false; | |||
2708 | } | |||
2709 | } | |||
2710 | ||||
2711 | LastTimer = new Timer("", Name, *TimingGroup); | |||
2712 | LastTimer->startTimer(); | |||
2713 | } | |||
2714 | } | |||
2715 | ||||
2716 | void RecordKeeper::stopTimer() { | |||
2717 | if (TimingGroup) { | |||
2718 | assert(LastTimer && "No phase timer was started")(static_cast <bool> (LastTimer && "No phase timer was started" ) ? void (0) : __assert_fail ("LastTimer && \"No phase timer was started\"" , "llvm/lib/TableGen/Record.cpp", 2718, __extension__ __PRETTY_FUNCTION__ )); | |||
2719 | LastTimer->stopTimer(); | |||
2720 | } | |||
2721 | } | |||
2722 | ||||
2723 | void RecordKeeper::startBackendTimer(StringRef Name) { | |||
2724 | if (TimingGroup) { | |||
2725 | startTimer(Name); | |||
2726 | BackendTimer = true; | |||
2727 | } | |||
2728 | } | |||
2729 | ||||
2730 | void RecordKeeper::stopBackendTimer() { | |||
2731 | if (TimingGroup) { | |||
2732 | if (BackendTimer) { | |||
2733 | stopTimer(); | |||
2734 | BackendTimer = false; | |||
2735 | } | |||
2736 | } | |||
2737 | } | |||
2738 | ||||
2739 | std::vector<Record *> | |||
2740 | RecordKeeper::getAllDerivedDefinitions(StringRef ClassName) const { | |||
2741 | // We cache the record vectors for single classes. Many backends request | |||
2742 | // the same vectors multiple times. | |||
2743 | auto Pair = ClassRecordsMap.try_emplace(ClassName); | |||
2744 | if (Pair.second) | |||
2745 | Pair.first->second = getAllDerivedDefinitions(makeArrayRef(ClassName)); | |||
2746 | ||||
2747 | return Pair.first->second; | |||
2748 | } | |||
2749 | ||||
2750 | std::vector<Record *> RecordKeeper::getAllDerivedDefinitions( | |||
2751 | ArrayRef<StringRef> ClassNames) const { | |||
2752 | SmallVector<Record *, 2> ClassRecs; | |||
2753 | std::vector<Record *> Defs; | |||
2754 | ||||
2755 | assert(ClassNames.size() > 0 && "At least one class must be passed.")(static_cast <bool> (ClassNames.size() > 0 && "At least one class must be passed.") ? void (0) : __assert_fail ("ClassNames.size() > 0 && \"At least one class must be passed.\"" , "llvm/lib/TableGen/Record.cpp", 2755, __extension__ __PRETTY_FUNCTION__ )); | |||
2756 | for (const auto &ClassName : ClassNames) { | |||
2757 | Record *Class = getClass(ClassName); | |||
2758 | if (!Class) | |||
2759 | PrintFatalError("The class '" + ClassName + "' is not defined\n"); | |||
2760 | ClassRecs.push_back(Class); | |||
2761 | } | |||
2762 | ||||
2763 | for (const auto &OneDef : getDefs()) { | |||
2764 | if (all_of(ClassRecs, [&OneDef](const Record *Class) { | |||
2765 | return OneDef.second->isSubClassOf(Class); | |||
2766 | })) | |||
2767 | Defs.push_back(OneDef.second.get()); | |||
2768 | } | |||
2769 | ||||
2770 | return Defs; | |||
2771 | } | |||
2772 | ||||
2773 | std::vector<Record *> | |||
2774 | RecordKeeper::getAllDerivedDefinitionsIfDefined(StringRef ClassName) const { | |||
2775 | return getClass(ClassName) ? getAllDerivedDefinitions(ClassName) | |||
2776 | : std::vector<Record *>(); | |||
2777 | } | |||
2778 | ||||
2779 | Init *MapResolver::resolve(Init *VarName) { | |||
2780 | auto It = Map.find(VarName); | |||
2781 | if (It == Map.end()) | |||
2782 | return nullptr; | |||
2783 | ||||
2784 | Init *I = It->second.V; | |||
2785 | ||||
2786 | if (!It->second.Resolved && Map.size() > 1) { | |||
2787 | // Resolve mutual references among the mapped variables, but prevent | |||
2788 | // infinite recursion. | |||
2789 | Map.erase(It); | |||
2790 | I = I->resolveReferences(*this); | |||
2791 | Map[VarName] = {I, true}; | |||
2792 | } | |||
2793 | ||||
2794 | return I; | |||
2795 | } | |||
2796 | ||||
2797 | Init *RecordResolver::resolve(Init *VarName) { | |||
2798 | Init *Val = Cache.lookup(VarName); | |||
2799 | if (Val) | |||
2800 | return Val; | |||
2801 | ||||
2802 | if (llvm::is_contained(Stack, VarName)) | |||
2803 | return nullptr; // prevent infinite recursion | |||
2804 | ||||
2805 | if (RecordVal *RV = getCurrentRecord()->getValue(VarName)) { | |||
2806 | if (!isa<UnsetInit>(RV->getValue())) { | |||
2807 | Val = RV->getValue(); | |||
2808 | Stack.push_back(VarName); | |||
2809 | Val = Val->resolveReferences(*this); | |||
2810 | Stack.pop_back(); | |||
2811 | } | |||
2812 | } else if (Name && VarName == getCurrentRecord()->getNameInit()) { | |||
2813 | Stack.push_back(VarName); | |||
2814 | Val = Name->resolveReferences(*this); | |||
2815 | Stack.pop_back(); | |||
2816 | } | |||
2817 | ||||
2818 | Cache[VarName] = Val; | |||
2819 | return Val; | |||
2820 | } | |||
2821 | ||||
2822 | Init *TrackUnresolvedResolver::resolve(Init *VarName) { | |||
2823 | Init *I = nullptr; | |||
2824 | ||||
2825 | if (R) { | |||
2826 | I = R->resolve(VarName); | |||
2827 | if (I && !FoundUnresolved) { | |||
2828 | // Do not recurse into the resolved initializer, as that would change | |||
2829 | // the behavior of the resolver we're delegating, but do check to see | |||
2830 | // if there are unresolved variables remaining. | |||
2831 | TrackUnresolvedResolver Sub; | |||
2832 | I->resolveReferences(Sub); | |||
2833 | FoundUnresolved |= Sub.FoundUnresolved; | |||
2834 | } | |||
2835 | } | |||
2836 | ||||
2837 | if (!I) | |||
2838 | FoundUnresolved = true; | |||
2839 | return I; | |||
2840 | } | |||
2841 | ||||
2842 | Init *HasReferenceResolver::resolve(Init *VarName) | |||
2843 | { | |||
2844 | if (VarName == VarNameToTrack) | |||
2845 | Found = true; | |||
2846 | return nullptr; | |||
2847 | } |