File: | llvm/lib/TableGen/Record.cpp |
Warning: | line 778, column 25 Called C++ object pointer is null |
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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/ADT/ArrayRef.h" | |||
14 | #include "llvm/ADT/DenseMap.h" | |||
15 | #include "llvm/ADT/FoldingSet.h" | |||
16 | #include "llvm/ADT/SmallString.h" | |||
17 | #include "llvm/ADT/SmallVector.h" | |||
18 | #include "llvm/ADT/Statistic.h" | |||
19 | #include "llvm/ADT/StringExtras.h" | |||
20 | #include "llvm/ADT/StringMap.h" | |||
21 | #include "llvm/ADT/StringRef.h" | |||
22 | #include "llvm/ADT/StringSet.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/SMLoc.h" | |||
29 | #include "llvm/Support/raw_ostream.h" | |||
30 | #include "llvm/TableGen/Error.h" | |||
31 | #include "llvm/TableGen/Record.h" | |||
32 | #include <cassert> | |||
33 | #include <cstdint> | |||
34 | #include <memory> | |||
35 | #include <map> | |||
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 | static BumpPtrAllocator Allocator; | |||
45 | ||||
46 | //===----------------------------------------------------------------------===// | |||
47 | // Type implementations | |||
48 | //===----------------------------------------------------------------------===// | |||
49 | ||||
50 | BitRecTy BitRecTy::Shared; | |||
51 | IntRecTy IntRecTy::Shared; | |||
52 | StringRecTy StringRecTy::Shared; | |||
53 | DagRecTy DagRecTy::Shared; | |||
54 | ||||
55 | #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) | |||
56 | LLVM_DUMP_METHOD__attribute__((noinline)) __attribute__((__used__)) void RecTy::dump() const { print(errs()); } | |||
57 | #endif | |||
58 | ||||
59 | ListRecTy *RecTy::getListTy() { | |||
60 | if (!ListTy) | |||
61 | ListTy = new(Allocator) ListRecTy(this); | |||
62 | return ListTy; | |||
63 | } | |||
64 | ||||
65 | bool RecTy::typeIsConvertibleTo(const RecTy *RHS) const { | |||
66 | assert(RHS && "NULL pointer")((RHS && "NULL pointer") ? static_cast<void> (0 ) : __assert_fail ("RHS && \"NULL pointer\"", "/build/llvm-toolchain-snapshot-12~++20210114111115+2b1e25befefc/llvm/lib/TableGen/Record.cpp" , 66, __PRETTY_FUNCTION__)); | |||
67 | return Kind == RHS->getRecTyKind(); | |||
68 | } | |||
69 | ||||
70 | bool RecTy::typeIsA(const RecTy *RHS) const { return this == RHS; } | |||
71 | ||||
72 | bool BitRecTy::typeIsConvertibleTo(const RecTy *RHS) const{ | |||
73 | if (RecTy::typeIsConvertibleTo(RHS) || RHS->getRecTyKind() == IntRecTyKind) | |||
74 | return true; | |||
75 | if (const BitsRecTy *BitsTy = dyn_cast<BitsRecTy>(RHS)) | |||
76 | return BitsTy->getNumBits() == 1; | |||
77 | return false; | |||
78 | } | |||
79 | ||||
80 | BitsRecTy *BitsRecTy::get(unsigned Sz) { | |||
81 | static std::vector<BitsRecTy*> Shared; | |||
82 | if (Sz >= Shared.size()) | |||
83 | Shared.resize(Sz + 1); | |||
84 | BitsRecTy *&Ty = Shared[Sz]; | |||
85 | if (!Ty) | |||
86 | Ty = new(Allocator) BitsRecTy(Sz); | |||
87 | return Ty; | |||
88 | } | |||
89 | ||||
90 | std::string BitsRecTy::getAsString() const { | |||
91 | return "bits<" + utostr(Size) + ">"; | |||
92 | } | |||
93 | ||||
94 | bool BitsRecTy::typeIsConvertibleTo(const RecTy *RHS) const { | |||
95 | if (RecTy::typeIsConvertibleTo(RHS)) //argument and the sender are same type | |||
96 | return cast<BitsRecTy>(RHS)->Size == Size; | |||
97 | RecTyKind kind = RHS->getRecTyKind(); | |||
98 | return (kind == BitRecTyKind && Size == 1) || (kind == IntRecTyKind); | |||
99 | } | |||
100 | ||||
101 | bool BitsRecTy::typeIsA(const RecTy *RHS) const { | |||
102 | if (const BitsRecTy *RHSb = dyn_cast<BitsRecTy>(RHS)) | |||
103 | return RHSb->Size == Size; | |||
104 | return false; | |||
105 | } | |||
106 | ||||
107 | bool IntRecTy::typeIsConvertibleTo(const RecTy *RHS) const { | |||
108 | RecTyKind kind = RHS->getRecTyKind(); | |||
109 | return kind==BitRecTyKind || kind==BitsRecTyKind || kind==IntRecTyKind; | |||
110 | } | |||
111 | ||||
112 | std::string StringRecTy::getAsString() const { | |||
113 | return "string"; | |||
114 | } | |||
115 | ||||
116 | bool StringRecTy::typeIsConvertibleTo(const RecTy *RHS) const { | |||
117 | RecTyKind Kind = RHS->getRecTyKind(); | |||
118 | return Kind == StringRecTyKind; | |||
119 | } | |||
120 | ||||
121 | std::string ListRecTy::getAsString() const { | |||
122 | return "list<" + ElementTy->getAsString() + ">"; | |||
123 | } | |||
124 | ||||
125 | bool ListRecTy::typeIsConvertibleTo(const RecTy *RHS) const { | |||
126 | if (const auto *ListTy = dyn_cast<ListRecTy>(RHS)) | |||
127 | return ElementTy->typeIsConvertibleTo(ListTy->getElementType()); | |||
128 | return false; | |||
129 | } | |||
130 | ||||
131 | bool ListRecTy::typeIsA(const RecTy *RHS) const { | |||
132 | if (const ListRecTy *RHSl = dyn_cast<ListRecTy>(RHS)) | |||
133 | return getElementType()->typeIsA(RHSl->getElementType()); | |||
134 | return false; | |||
135 | } | |||
136 | ||||
137 | std::string DagRecTy::getAsString() const { | |||
138 | return "dag"; | |||
139 | } | |||
140 | ||||
141 | static void ProfileRecordRecTy(FoldingSetNodeID &ID, | |||
142 | ArrayRef<Record *> Classes) { | |||
143 | ID.AddInteger(Classes.size()); | |||
144 | for (Record *R : Classes) | |||
145 | ID.AddPointer(R); | |||
146 | } | |||
147 | ||||
148 | RecordRecTy *RecordRecTy::get(ArrayRef<Record *> UnsortedClasses) { | |||
149 | if (UnsortedClasses.empty()) { | |||
150 | static RecordRecTy AnyRecord(0); | |||
151 | return &AnyRecord; | |||
152 | } | |||
153 | ||||
154 | FoldingSet<RecordRecTy> &ThePool = | |||
155 | UnsortedClasses[0]->getRecords().RecordTypePool; | |||
156 | ||||
157 | SmallVector<Record *, 4> Classes(UnsortedClasses.begin(), | |||
158 | UnsortedClasses.end()); | |||
159 | llvm::sort(Classes, [](Record *LHS, Record *RHS) { | |||
160 | return LHS->getNameInitAsString() < RHS->getNameInitAsString(); | |||
161 | }); | |||
162 | ||||
163 | FoldingSetNodeID ID; | |||
164 | ProfileRecordRecTy(ID, Classes); | |||
165 | ||||
166 | void *IP = nullptr; | |||
167 | if (RecordRecTy *Ty = ThePool.FindNodeOrInsertPos(ID, IP)) | |||
168 | return Ty; | |||
169 | ||||
170 | #ifndef NDEBUG | |||
171 | // Check for redundancy. | |||
172 | for (unsigned i = 0; i < Classes.size(); ++i) { | |||
173 | for (unsigned j = 0; j < Classes.size(); ++j) { | |||
174 | assert(i == j || !Classes[i]->isSubClassOf(Classes[j]))((i == j || !Classes[i]->isSubClassOf(Classes[j])) ? static_cast <void> (0) : __assert_fail ("i == j || !Classes[i]->isSubClassOf(Classes[j])" , "/build/llvm-toolchain-snapshot-12~++20210114111115+2b1e25befefc/llvm/lib/TableGen/Record.cpp" , 174, __PRETTY_FUNCTION__)); | |||
175 | } | |||
176 | assert(&Classes[0]->getRecords() == &Classes[i]->getRecords())((&Classes[0]->getRecords() == &Classes[i]->getRecords ()) ? static_cast<void> (0) : __assert_fail ("&Classes[0]->getRecords() == &Classes[i]->getRecords()" , "/build/llvm-toolchain-snapshot-12~++20210114111115+2b1e25befefc/llvm/lib/TableGen/Record.cpp" , 176, __PRETTY_FUNCTION__)); | |||
177 | } | |||
178 | #endif | |||
179 | ||||
180 | void *Mem = Allocator.Allocate(totalSizeToAlloc<Record *>(Classes.size()), | |||
181 | alignof(RecordRecTy)); | |||
182 | RecordRecTy *Ty = new(Mem) RecordRecTy(Classes.size()); | |||
183 | std::uninitialized_copy(Classes.begin(), Classes.end(), | |||
184 | Ty->getTrailingObjects<Record *>()); | |||
185 | ThePool.InsertNode(Ty, IP); | |||
186 | return Ty; | |||
187 | } | |||
188 | ||||
189 | void RecordRecTy::Profile(FoldingSetNodeID &ID) const { | |||
190 | ProfileRecordRecTy(ID, getClasses()); | |||
191 | } | |||
192 | ||||
193 | std::string RecordRecTy::getAsString() const { | |||
194 | if (NumClasses == 1) | |||
195 | return getClasses()[0]->getNameInitAsString(); | |||
196 | ||||
197 | std::string Str = "{"; | |||
198 | bool First = true; | |||
199 | for (Record *R : getClasses()) { | |||
200 | if (!First) | |||
201 | Str += ", "; | |||
202 | First = false; | |||
203 | Str += R->getNameInitAsString(); | |||
204 | } | |||
205 | Str += "}"; | |||
206 | return Str; | |||
207 | } | |||
208 | ||||
209 | bool RecordRecTy::isSubClassOf(Record *Class) const { | |||
210 | return llvm::any_of(getClasses(), [Class](Record *MySuperClass) { | |||
211 | return MySuperClass == Class || | |||
212 | MySuperClass->isSubClassOf(Class); | |||
213 | }); | |||
214 | } | |||
215 | ||||
216 | bool RecordRecTy::typeIsConvertibleTo(const RecTy *RHS) const { | |||
217 | if (this == RHS) | |||
218 | return true; | |||
219 | ||||
220 | const RecordRecTy *RTy = dyn_cast<RecordRecTy>(RHS); | |||
221 | if (!RTy) | |||
222 | return false; | |||
223 | ||||
224 | return llvm::all_of(RTy->getClasses(), [this](Record *TargetClass) { | |||
225 | return isSubClassOf(TargetClass); | |||
226 | }); | |||
227 | } | |||
228 | ||||
229 | bool RecordRecTy::typeIsA(const RecTy *RHS) const { | |||
230 | return typeIsConvertibleTo(RHS); | |||
231 | } | |||
232 | ||||
233 | static RecordRecTy *resolveRecordTypes(RecordRecTy *T1, RecordRecTy *T2) { | |||
234 | SmallVector<Record *, 4> CommonSuperClasses; | |||
235 | SmallVector<Record *, 4> Stack(T1->classes_begin(), T1->classes_end()); | |||
236 | ||||
237 | while (!Stack.empty()) { | |||
238 | Record *R = Stack.back(); | |||
239 | Stack.pop_back(); | |||
240 | ||||
241 | if (T2->isSubClassOf(R)) { | |||
242 | CommonSuperClasses.push_back(R); | |||
243 | } else { | |||
244 | R->getDirectSuperClasses(Stack); | |||
245 | } | |||
246 | } | |||
247 | ||||
248 | return RecordRecTy::get(CommonSuperClasses); | |||
249 | } | |||
250 | ||||
251 | RecTy *llvm::resolveTypes(RecTy *T1, RecTy *T2) { | |||
252 | if (T1 == T2) | |||
253 | return T1; | |||
254 | ||||
255 | if (RecordRecTy *RecTy1 = dyn_cast<RecordRecTy>(T1)) { | |||
256 | if (RecordRecTy *RecTy2 = dyn_cast<RecordRecTy>(T2)) | |||
257 | return resolveRecordTypes(RecTy1, RecTy2); | |||
258 | } | |||
259 | ||||
260 | if (T1->typeIsConvertibleTo(T2)) | |||
261 | return T2; | |||
262 | if (T2->typeIsConvertibleTo(T1)) | |||
263 | return T1; | |||
264 | ||||
265 | if (ListRecTy *ListTy1 = dyn_cast<ListRecTy>(T1)) { | |||
266 | if (ListRecTy *ListTy2 = dyn_cast<ListRecTy>(T2)) { | |||
267 | RecTy* NewType = resolveTypes(ListTy1->getElementType(), | |||
268 | ListTy2->getElementType()); | |||
269 | if (NewType) | |||
270 | return NewType->getListTy(); | |||
271 | } | |||
272 | } | |||
273 | ||||
274 | return nullptr; | |||
275 | } | |||
276 | ||||
277 | //===----------------------------------------------------------------------===// | |||
278 | // Initializer implementations | |||
279 | //===----------------------------------------------------------------------===// | |||
280 | ||||
281 | void Init::anchor() {} | |||
282 | ||||
283 | #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) | |||
284 | LLVM_DUMP_METHOD__attribute__((noinline)) __attribute__((__used__)) void Init::dump() const { return print(errs()); } | |||
285 | #endif | |||
286 | ||||
287 | UnsetInit *UnsetInit::get() { | |||
288 | static UnsetInit TheInit; | |||
289 | return &TheInit; | |||
290 | } | |||
291 | ||||
292 | Init *UnsetInit::getCastTo(RecTy *Ty) const { | |||
293 | return const_cast<UnsetInit *>(this); | |||
294 | } | |||
295 | ||||
296 | Init *UnsetInit::convertInitializerTo(RecTy *Ty) const { | |||
297 | return const_cast<UnsetInit *>(this); | |||
298 | } | |||
299 | ||||
300 | BitInit *BitInit::get(bool V) { | |||
301 | static BitInit True(true); | |||
302 | static BitInit False(false); | |||
303 | ||||
304 | return V ? &True : &False; | |||
305 | } | |||
306 | ||||
307 | Init *BitInit::convertInitializerTo(RecTy *Ty) const { | |||
308 | if (isa<BitRecTy>(Ty)) | |||
309 | return const_cast<BitInit *>(this); | |||
310 | ||||
311 | if (isa<IntRecTy>(Ty)) | |||
312 | return IntInit::get(getValue()); | |||
313 | ||||
314 | if (auto *BRT = dyn_cast<BitsRecTy>(Ty)) { | |||
315 | // Can only convert single bit. | |||
316 | if (BRT->getNumBits() == 1) | |||
317 | return BitsInit::get(const_cast<BitInit *>(this)); | |||
318 | } | |||
319 | ||||
320 | return nullptr; | |||
321 | } | |||
322 | ||||
323 | static void | |||
324 | ProfileBitsInit(FoldingSetNodeID &ID, ArrayRef<Init *> Range) { | |||
325 | ID.AddInteger(Range.size()); | |||
326 | ||||
327 | for (Init *I : Range) | |||
328 | ID.AddPointer(I); | |||
329 | } | |||
330 | ||||
331 | BitsInit *BitsInit::get(ArrayRef<Init *> Range) { | |||
332 | static FoldingSet<BitsInit> ThePool; | |||
333 | ||||
334 | FoldingSetNodeID ID; | |||
335 | ProfileBitsInit(ID, Range); | |||
336 | ||||
337 | void *IP = nullptr; | |||
338 | if (BitsInit *I = ThePool.FindNodeOrInsertPos(ID, IP)) | |||
339 | return I; | |||
340 | ||||
341 | void *Mem = Allocator.Allocate(totalSizeToAlloc<Init *>(Range.size()), | |||
342 | alignof(BitsInit)); | |||
343 | BitsInit *I = new(Mem) BitsInit(Range.size()); | |||
344 | std::uninitialized_copy(Range.begin(), Range.end(), | |||
345 | I->getTrailingObjects<Init *>()); | |||
346 | ThePool.InsertNode(I, IP); | |||
347 | return I; | |||
348 | } | |||
349 | ||||
350 | void BitsInit::Profile(FoldingSetNodeID &ID) const { | |||
351 | ProfileBitsInit(ID, makeArrayRef(getTrailingObjects<Init *>(), NumBits)); | |||
352 | } | |||
353 | ||||
354 | Init *BitsInit::convertInitializerTo(RecTy *Ty) const { | |||
355 | if (isa<BitRecTy>(Ty)) { | |||
356 | if (getNumBits() != 1) return nullptr; // Only accept if just one bit! | |||
357 | return getBit(0); | |||
358 | } | |||
359 | ||||
360 | if (auto *BRT = dyn_cast<BitsRecTy>(Ty)) { | |||
361 | // If the number of bits is right, return it. Otherwise we need to expand | |||
362 | // or truncate. | |||
363 | if (getNumBits() != BRT->getNumBits()) return nullptr; | |||
364 | return const_cast<BitsInit *>(this); | |||
365 | } | |||
366 | ||||
367 | if (isa<IntRecTy>(Ty)) { | |||
368 | int64_t Result = 0; | |||
369 | for (unsigned i = 0, e = getNumBits(); i != e; ++i) | |||
370 | if (auto *Bit = dyn_cast<BitInit>(getBit(i))) | |||
371 | Result |= static_cast<int64_t>(Bit->getValue()) << i; | |||
372 | else | |||
373 | return nullptr; | |||
374 | return IntInit::get(Result); | |||
375 | } | |||
376 | ||||
377 | return nullptr; | |||
378 | } | |||
379 | ||||
380 | Init * | |||
381 | BitsInit::convertInitializerBitRange(ArrayRef<unsigned> Bits) const { | |||
382 | SmallVector<Init *, 16> NewBits(Bits.size()); | |||
383 | ||||
384 | for (unsigned i = 0, e = Bits.size(); i != e; ++i) { | |||
385 | if (Bits[i] >= getNumBits()) | |||
386 | return nullptr; | |||
387 | NewBits[i] = getBit(Bits[i]); | |||
388 | } | |||
389 | return BitsInit::get(NewBits); | |||
390 | } | |||
391 | ||||
392 | bool BitsInit::isConcrete() const { | |||
393 | for (unsigned i = 0, e = getNumBits(); i != e; ++i) { | |||
394 | if (!getBit(i)->isConcrete()) | |||
395 | return false; | |||
396 | } | |||
397 | return true; | |||
398 | } | |||
399 | ||||
400 | std::string BitsInit::getAsString() const { | |||
401 | std::string Result = "{ "; | |||
402 | for (unsigned i = 0, e = getNumBits(); i != e; ++i) { | |||
403 | if (i) Result += ", "; | |||
404 | if (Init *Bit = getBit(e-i-1)) | |||
405 | Result += Bit->getAsString(); | |||
406 | else | |||
407 | Result += "*"; | |||
408 | } | |||
409 | return Result + " }"; | |||
410 | } | |||
411 | ||||
412 | // resolveReferences - If there are any field references that refer to fields | |||
413 | // that have been filled in, we can propagate the values now. | |||
414 | Init *BitsInit::resolveReferences(Resolver &R) const { | |||
415 | bool Changed = false; | |||
416 | SmallVector<Init *, 16> NewBits(getNumBits()); | |||
417 | ||||
418 | Init *CachedBitVarRef = nullptr; | |||
419 | Init *CachedBitVarResolved = nullptr; | |||
420 | ||||
421 | for (unsigned i = 0, e = getNumBits(); i != e; ++i) { | |||
422 | Init *CurBit = getBit(i); | |||
423 | Init *NewBit = CurBit; | |||
424 | ||||
425 | if (VarBitInit *CurBitVar = dyn_cast<VarBitInit>(CurBit)) { | |||
426 | if (CurBitVar->getBitVar() != CachedBitVarRef) { | |||
427 | CachedBitVarRef = CurBitVar->getBitVar(); | |||
428 | CachedBitVarResolved = CachedBitVarRef->resolveReferences(R); | |||
429 | } | |||
430 | assert(CachedBitVarResolved && "Unresolved bitvar reference")((CachedBitVarResolved && "Unresolved bitvar reference" ) ? static_cast<void> (0) : __assert_fail ("CachedBitVarResolved && \"Unresolved bitvar reference\"" , "/build/llvm-toolchain-snapshot-12~++20210114111115+2b1e25befefc/llvm/lib/TableGen/Record.cpp" , 430, __PRETTY_FUNCTION__)); | |||
431 | NewBit = CachedBitVarResolved->getBit(CurBitVar->getBitNum()); | |||
432 | } else { | |||
433 | // getBit(0) implicitly converts int and bits<1> values to bit. | |||
434 | NewBit = CurBit->resolveReferences(R)->getBit(0); | |||
435 | } | |||
436 | ||||
437 | if (isa<UnsetInit>(NewBit) && R.keepUnsetBits()) | |||
438 | NewBit = CurBit; | |||
439 | NewBits[i] = NewBit; | |||
440 | Changed |= CurBit != NewBit; | |||
441 | } | |||
442 | ||||
443 | if (Changed) | |||
444 | return BitsInit::get(NewBits); | |||
445 | ||||
446 | return const_cast<BitsInit *>(this); | |||
447 | } | |||
448 | ||||
449 | IntInit *IntInit::get(int64_t V) { | |||
450 | static std::map<int64_t, IntInit*> ThePool; | |||
451 | ||||
452 | IntInit *&I = ThePool[V]; | |||
453 | if (!I) I = new(Allocator) IntInit(V); | |||
454 | return I; | |||
455 | } | |||
456 | ||||
457 | std::string IntInit::getAsString() const { | |||
458 | return itostr(Value); | |||
459 | } | |||
460 | ||||
461 | static bool canFitInBitfield(int64_t Value, unsigned NumBits) { | |||
462 | // For example, with NumBits == 4, we permit Values from [-7 .. 15]. | |||
463 | return (NumBits >= sizeof(Value) * 8) || | |||
464 | (Value >> NumBits == 0) || (Value >> (NumBits-1) == -1); | |||
465 | } | |||
466 | ||||
467 | Init *IntInit::convertInitializerTo(RecTy *Ty) const { | |||
468 | if (isa<IntRecTy>(Ty)) | |||
469 | return const_cast<IntInit *>(this); | |||
470 | ||||
471 | if (isa<BitRecTy>(Ty)) { | |||
472 | int64_t Val = getValue(); | |||
473 | if (Val != 0 && Val != 1) return nullptr; // Only accept 0 or 1 for a bit! | |||
474 | return BitInit::get(Val != 0); | |||
475 | } | |||
476 | ||||
477 | if (auto *BRT = dyn_cast<BitsRecTy>(Ty)) { | |||
478 | int64_t Value = getValue(); | |||
479 | // Make sure this bitfield is large enough to hold the integer value. | |||
480 | if (!canFitInBitfield(Value, BRT->getNumBits())) | |||
481 | return nullptr; | |||
482 | ||||
483 | SmallVector<Init *, 16> NewBits(BRT->getNumBits()); | |||
484 | for (unsigned i = 0; i != BRT->getNumBits(); ++i) | |||
485 | NewBits[i] = BitInit::get(Value & ((i < 64) ? (1LL << i) : 0)); | |||
486 | ||||
487 | return BitsInit::get(NewBits); | |||
488 | } | |||
489 | ||||
490 | return nullptr; | |||
491 | } | |||
492 | ||||
493 | Init * | |||
494 | IntInit::convertInitializerBitRange(ArrayRef<unsigned> Bits) const { | |||
495 | SmallVector<Init *, 16> NewBits(Bits.size()); | |||
496 | ||||
497 | for (unsigned i = 0, e = Bits.size(); i != e; ++i) { | |||
498 | if (Bits[i] >= 64) | |||
499 | return nullptr; | |||
500 | ||||
501 | NewBits[i] = BitInit::get(Value & (INT64_C(1)1L << Bits[i])); | |||
502 | } | |||
503 | return BitsInit::get(NewBits); | |||
504 | } | |||
505 | ||||
506 | StringInit *StringInit::get(StringRef V, StringFormat Fmt) { | |||
507 | static StringMap<StringInit*, BumpPtrAllocator &> StringPool(Allocator); | |||
508 | static StringMap<StringInit*, BumpPtrAllocator &> CodePool(Allocator); | |||
509 | ||||
510 | if (Fmt == SF_String) { | |||
511 | auto &Entry = *StringPool.insert(std::make_pair(V, nullptr)).first; | |||
512 | if (!Entry.second) | |||
513 | Entry.second = new (Allocator) StringInit(Entry.getKey(), Fmt); | |||
514 | return Entry.second; | |||
515 | } else { | |||
516 | auto &Entry = *CodePool.insert(std::make_pair(V, nullptr)).first; | |||
517 | if (!Entry.second) | |||
518 | Entry.second = new (Allocator) StringInit(Entry.getKey(), Fmt); | |||
519 | return Entry.second; | |||
520 | } | |||
521 | } | |||
522 | ||||
523 | Init *StringInit::convertInitializerTo(RecTy *Ty) const { | |||
524 | if (isa<StringRecTy>(Ty)) | |||
525 | return const_cast<StringInit *>(this); | |||
526 | ||||
527 | return nullptr; | |||
528 | } | |||
529 | ||||
530 | static void ProfileListInit(FoldingSetNodeID &ID, | |||
531 | ArrayRef<Init *> Range, | |||
532 | RecTy *EltTy) { | |||
533 | ID.AddInteger(Range.size()); | |||
534 | ID.AddPointer(EltTy); | |||
535 | ||||
536 | for (Init *I : Range) | |||
537 | ID.AddPointer(I); | |||
538 | } | |||
539 | ||||
540 | ListInit *ListInit::get(ArrayRef<Init *> Range, RecTy *EltTy) { | |||
541 | static FoldingSet<ListInit> ThePool; | |||
542 | ||||
543 | FoldingSetNodeID ID; | |||
544 | ProfileListInit(ID, Range, EltTy); | |||
545 | ||||
546 | void *IP = nullptr; | |||
547 | if (ListInit *I = ThePool.FindNodeOrInsertPos(ID, IP)) | |||
548 | return I; | |||
549 | ||||
550 | assert(Range.empty() || !isa<TypedInit>(Range[0]) ||((Range.empty() || !isa<TypedInit>(Range[0]) || cast< TypedInit>(Range[0])->getType()->typeIsConvertibleTo (EltTy)) ? static_cast<void> (0) : __assert_fail ("Range.empty() || !isa<TypedInit>(Range[0]) || cast<TypedInit>(Range[0])->getType()->typeIsConvertibleTo(EltTy)" , "/build/llvm-toolchain-snapshot-12~++20210114111115+2b1e25befefc/llvm/lib/TableGen/Record.cpp" , 551, __PRETTY_FUNCTION__)) | |||
551 | cast<TypedInit>(Range[0])->getType()->typeIsConvertibleTo(EltTy))((Range.empty() || !isa<TypedInit>(Range[0]) || cast< TypedInit>(Range[0])->getType()->typeIsConvertibleTo (EltTy)) ? static_cast<void> (0) : __assert_fail ("Range.empty() || !isa<TypedInit>(Range[0]) || cast<TypedInit>(Range[0])->getType()->typeIsConvertibleTo(EltTy)" , "/build/llvm-toolchain-snapshot-12~++20210114111115+2b1e25befefc/llvm/lib/TableGen/Record.cpp" , 551, __PRETTY_FUNCTION__)); | |||
552 | ||||
553 | void *Mem = Allocator.Allocate(totalSizeToAlloc<Init *>(Range.size()), | |||
554 | alignof(ListInit)); | |||
555 | ListInit *I = new(Mem) ListInit(Range.size(), EltTy); | |||
556 | std::uninitialized_copy(Range.begin(), Range.end(), | |||
557 | I->getTrailingObjects<Init *>()); | |||
558 | ThePool.InsertNode(I, IP); | |||
559 | return I; | |||
560 | } | |||
561 | ||||
562 | void ListInit::Profile(FoldingSetNodeID &ID) const { | |||
563 | RecTy *EltTy = cast<ListRecTy>(getType())->getElementType(); | |||
564 | ||||
565 | ProfileListInit(ID, getValues(), EltTy); | |||
566 | } | |||
567 | ||||
568 | Init *ListInit::convertInitializerTo(RecTy *Ty) const { | |||
569 | if (getType() == Ty) | |||
570 | return const_cast<ListInit*>(this); | |||
571 | ||||
572 | if (auto *LRT = dyn_cast<ListRecTy>(Ty)) { | |||
573 | SmallVector<Init*, 8> Elements; | |||
574 | Elements.reserve(getValues().size()); | |||
575 | ||||
576 | // Verify that all of the elements of the list are subclasses of the | |||
577 | // appropriate class! | |||
578 | bool Changed = false; | |||
579 | RecTy *ElementType = LRT->getElementType(); | |||
580 | for (Init *I : getValues()) | |||
581 | if (Init *CI = I->convertInitializerTo(ElementType)) { | |||
582 | Elements.push_back(CI); | |||
583 | if (CI != I) | |||
584 | Changed = true; | |||
585 | } else | |||
586 | return nullptr; | |||
587 | ||||
588 | if (!Changed) | |||
589 | return const_cast<ListInit*>(this); | |||
590 | return ListInit::get(Elements, ElementType); | |||
591 | } | |||
592 | ||||
593 | return nullptr; | |||
594 | } | |||
595 | ||||
596 | Init *ListInit::convertInitListSlice(ArrayRef<unsigned> Elements) const { | |||
597 | SmallVector<Init*, 8> Vals; | |||
598 | Vals.reserve(Elements.size()); | |||
599 | for (unsigned Element : Elements) { | |||
600 | if (Element >= size()) | |||
601 | return nullptr; | |||
602 | Vals.push_back(getElement(Element)); | |||
603 | } | |||
604 | return ListInit::get(Vals, getElementType()); | |||
605 | } | |||
606 | ||||
607 | Record *ListInit::getElementAsRecord(unsigned i) const { | |||
608 | assert(i < NumValues && "List element index out of range!")((i < NumValues && "List element index out of range!" ) ? static_cast<void> (0) : __assert_fail ("i < NumValues && \"List element index out of range!\"" , "/build/llvm-toolchain-snapshot-12~++20210114111115+2b1e25befefc/llvm/lib/TableGen/Record.cpp" , 608, __PRETTY_FUNCTION__)); | |||
609 | DefInit *DI = dyn_cast<DefInit>(getElement(i)); | |||
610 | if (!DI) | |||
611 | PrintFatalError("Expected record in list!"); | |||
612 | return DI->getDef(); | |||
613 | } | |||
614 | ||||
615 | Init *ListInit::resolveReferences(Resolver &R) const { | |||
616 | SmallVector<Init*, 8> Resolved; | |||
617 | Resolved.reserve(size()); | |||
618 | bool Changed = false; | |||
619 | ||||
620 | for (Init *CurElt : getValues()) { | |||
621 | Init *E = CurElt->resolveReferences(R); | |||
622 | Changed |= E != CurElt; | |||
623 | Resolved.push_back(E); | |||
624 | } | |||
625 | ||||
626 | if (Changed) | |||
627 | return ListInit::get(Resolved, getElementType()); | |||
628 | return const_cast<ListInit *>(this); | |||
629 | } | |||
630 | ||||
631 | bool ListInit::isConcrete() const { | |||
632 | for (Init *Element : *this) { | |||
633 | if (!Element->isConcrete()) | |||
634 | return false; | |||
635 | } | |||
636 | return true; | |||
637 | } | |||
638 | ||||
639 | std::string ListInit::getAsString() const { | |||
640 | std::string Result = "["; | |||
641 | const char *sep = ""; | |||
642 | for (Init *Element : *this) { | |||
643 | Result += sep; | |||
644 | sep = ", "; | |||
645 | Result += Element->getAsString(); | |||
646 | } | |||
647 | return Result + "]"; | |||
648 | } | |||
649 | ||||
650 | Init *OpInit::getBit(unsigned Bit) const { | |||
651 | if (getType() == BitRecTy::get()) | |||
652 | return const_cast<OpInit*>(this); | |||
653 | return VarBitInit::get(const_cast<OpInit*>(this), Bit); | |||
654 | } | |||
655 | ||||
656 | static void | |||
657 | ProfileUnOpInit(FoldingSetNodeID &ID, unsigned Opcode, Init *Op, RecTy *Type) { | |||
658 | ID.AddInteger(Opcode); | |||
659 | ID.AddPointer(Op); | |||
660 | ID.AddPointer(Type); | |||
661 | } | |||
662 | ||||
663 | UnOpInit *UnOpInit::get(UnaryOp Opc, Init *LHS, RecTy *Type) { | |||
664 | static FoldingSet<UnOpInit> ThePool; | |||
665 | ||||
666 | FoldingSetNodeID ID; | |||
667 | ProfileUnOpInit(ID, Opc, LHS, Type); | |||
668 | ||||
669 | void *IP = nullptr; | |||
670 | if (UnOpInit *I = ThePool.FindNodeOrInsertPos(ID, IP)) | |||
671 | return I; | |||
672 | ||||
673 | UnOpInit *I = new(Allocator) UnOpInit(Opc, LHS, Type); | |||
674 | ThePool.InsertNode(I, IP); | |||
675 | return I; | |||
676 | } | |||
677 | ||||
678 | void UnOpInit::Profile(FoldingSetNodeID &ID) const { | |||
679 | ProfileUnOpInit(ID, getOpcode(), getOperand(), getType()); | |||
680 | } | |||
681 | ||||
682 | Init *UnOpInit::Fold(Record *CurRec, bool IsFinal) const { | |||
683 | switch (getOpcode()) { | |||
684 | case CAST: | |||
685 | if (isa<StringRecTy>(getType())) { | |||
686 | if (StringInit *LHSs = dyn_cast<StringInit>(LHS)) | |||
687 | return LHSs; | |||
688 | ||||
689 | if (DefInit *LHSd = dyn_cast<DefInit>(LHS)) | |||
690 | return StringInit::get(LHSd->getAsString()); | |||
691 | ||||
692 | if (IntInit *LHSi = dyn_cast<IntInit>(LHS)) | |||
693 | return StringInit::get(LHSi->getAsString()); | |||
694 | } else if (isa<RecordRecTy>(getType())) { | |||
695 | if (StringInit *Name = dyn_cast<StringInit>(LHS)) { | |||
696 | if (!CurRec && !IsFinal) | |||
697 | break; | |||
698 | assert(CurRec && "NULL pointer")((CurRec && "NULL pointer") ? static_cast<void> (0) : __assert_fail ("CurRec && \"NULL pointer\"", "/build/llvm-toolchain-snapshot-12~++20210114111115+2b1e25befefc/llvm/lib/TableGen/Record.cpp" , 698, __PRETTY_FUNCTION__)); | |||
699 | Record *D; | |||
700 | ||||
701 | // Self-references are allowed, but their resolution is delayed until | |||
702 | // the final resolve to ensure that we get the correct type for them. | |||
703 | if (Name == CurRec->getNameInit()) { | |||
704 | if (!IsFinal) | |||
705 | break; | |||
706 | D = CurRec; | |||
707 | } else { | |||
708 | D = CurRec->getRecords().getDef(Name->getValue()); | |||
709 | if (!D) { | |||
710 | if (IsFinal) | |||
711 | PrintFatalError(CurRec->getLoc(), | |||
712 | Twine("Undefined reference to record: '") + | |||
713 | Name->getValue() + "'\n"); | |||
714 | break; | |||
715 | } | |||
716 | } | |||
717 | ||||
718 | DefInit *DI = DefInit::get(D); | |||
719 | if (!DI->getType()->typeIsA(getType())) { | |||
720 | PrintFatalError(CurRec->getLoc(), | |||
721 | Twine("Expected type '") + | |||
722 | getType()->getAsString() + "', got '" + | |||
723 | DI->getType()->getAsString() + "' in: " + | |||
724 | getAsString() + "\n"); | |||
725 | } | |||
726 | return DI; | |||
727 | } | |||
728 | } | |||
729 | ||||
730 | if (Init *NewInit = LHS->convertInitializerTo(getType())) | |||
731 | return NewInit; | |||
732 | break; | |||
733 | ||||
734 | case NOT: | |||
735 | if (IntInit *LHSi = | |||
736 | dyn_cast_or_null<IntInit>(LHS->convertInitializerTo(IntRecTy::get()))) | |||
737 | return IntInit::get(LHSi->getValue() ? 0 : 1); | |||
738 | break; | |||
739 | ||||
740 | case HEAD: | |||
741 | if (ListInit *LHSl = dyn_cast<ListInit>(LHS)) { | |||
742 | assert(!LHSl->empty() && "Empty list in head")((!LHSl->empty() && "Empty list in head") ? static_cast <void> (0) : __assert_fail ("!LHSl->empty() && \"Empty list in head\"" , "/build/llvm-toolchain-snapshot-12~++20210114111115+2b1e25befefc/llvm/lib/TableGen/Record.cpp" , 742, __PRETTY_FUNCTION__)); | |||
743 | return LHSl->getElement(0); | |||
744 | } | |||
745 | break; | |||
746 | ||||
747 | case TAIL: | |||
748 | if (ListInit *LHSl = dyn_cast<ListInit>(LHS)) { | |||
749 | assert(!LHSl->empty() && "Empty list in tail")((!LHSl->empty() && "Empty list in tail") ? static_cast <void> (0) : __assert_fail ("!LHSl->empty() && \"Empty list in tail\"" , "/build/llvm-toolchain-snapshot-12~++20210114111115+2b1e25befefc/llvm/lib/TableGen/Record.cpp" , 749, __PRETTY_FUNCTION__)); | |||
750 | // Note the +1. We can't just pass the result of getValues() | |||
751 | // directly. | |||
752 | return ListInit::get(LHSl->getValues().slice(1), LHSl->getElementType()); | |||
753 | } | |||
754 | break; | |||
755 | ||||
756 | case SIZE: | |||
757 | if (ListInit *LHSl = dyn_cast<ListInit>(LHS)) | |||
758 | return IntInit::get(LHSl->size()); | |||
759 | if (DagInit *LHSd = dyn_cast<DagInit>(LHS)) | |||
760 | return IntInit::get(LHSd->arg_size()); | |||
761 | if (StringInit *LHSs = dyn_cast<StringInit>(LHS)) | |||
762 | return IntInit::get(LHSs->getValue().size()); | |||
763 | break; | |||
764 | ||||
765 | case EMPTY: | |||
766 | if (ListInit *LHSl = dyn_cast<ListInit>(LHS)) | |||
767 | return IntInit::get(LHSl->empty()); | |||
768 | if (DagInit *LHSd = dyn_cast<DagInit>(LHS)) | |||
769 | return IntInit::get(LHSd->arg_empty()); | |||
770 | if (StringInit *LHSs = dyn_cast<StringInit>(LHS)) | |||
771 | return IntInit::get(LHSs->getValue().empty()); | |||
772 | break; | |||
773 | ||||
774 | case GETDAGOP: | |||
775 | if (DagInit *Dag
| |||
776 | DefInit *DI = DefInit::get(Dag->getOperatorAsDef({})); | |||
777 | if (!DI->getType()->typeIsA(getType())) { | |||
778 | PrintFatalError(CurRec->getLoc(), | |||
| ||||
779 | Twine("Expected type '") + | |||
780 | getType()->getAsString() + "', got '" + | |||
781 | DI->getType()->getAsString() + "' in: " + | |||
782 | getAsString() + "\n"); | |||
783 | } else { | |||
784 | return DI; | |||
785 | } | |||
786 | } | |||
787 | break; | |||
788 | } | |||
789 | return const_cast<UnOpInit *>(this); | |||
790 | } | |||
791 | ||||
792 | Init *UnOpInit::resolveReferences(Resolver &R) const { | |||
793 | Init *lhs = LHS->resolveReferences(R); | |||
794 | ||||
795 | if (LHS != lhs || (R.isFinal() && getOpcode() == CAST)) | |||
796 | return (UnOpInit::get(getOpcode(), lhs, getType())) | |||
797 | ->Fold(R.getCurrentRecord(), R.isFinal()); | |||
798 | return const_cast<UnOpInit *>(this); | |||
799 | } | |||
800 | ||||
801 | std::string UnOpInit::getAsString() const { | |||
802 | std::string Result; | |||
803 | switch (getOpcode()) { | |||
804 | case CAST: Result = "!cast<" + getType()->getAsString() + ">"; break; | |||
805 | case NOT: Result = "!not"; break; | |||
806 | case HEAD: Result = "!head"; break; | |||
807 | case TAIL: Result = "!tail"; break; | |||
808 | case SIZE: Result = "!size"; break; | |||
809 | case EMPTY: Result = "!empty"; break; | |||
810 | case GETDAGOP: Result = "!getdagop"; break; | |||
811 | } | |||
812 | return Result + "(" + LHS->getAsString() + ")"; | |||
813 | } | |||
814 | ||||
815 | static void | |||
816 | ProfileBinOpInit(FoldingSetNodeID &ID, unsigned Opcode, Init *LHS, Init *RHS, | |||
817 | RecTy *Type) { | |||
818 | ID.AddInteger(Opcode); | |||
819 | ID.AddPointer(LHS); | |||
820 | ID.AddPointer(RHS); | |||
821 | ID.AddPointer(Type); | |||
822 | } | |||
823 | ||||
824 | BinOpInit *BinOpInit::get(BinaryOp Opc, Init *LHS, | |||
825 | Init *RHS, RecTy *Type) { | |||
826 | static FoldingSet<BinOpInit> ThePool; | |||
827 | ||||
828 | FoldingSetNodeID ID; | |||
829 | ProfileBinOpInit(ID, Opc, LHS, RHS, Type); | |||
830 | ||||
831 | void *IP = nullptr; | |||
832 | if (BinOpInit *I = ThePool.FindNodeOrInsertPos(ID, IP)) | |||
833 | return I; | |||
834 | ||||
835 | BinOpInit *I = new(Allocator) BinOpInit(Opc, LHS, RHS, Type); | |||
836 | ThePool.InsertNode(I, IP); | |||
837 | return I; | |||
838 | } | |||
839 | ||||
840 | void BinOpInit::Profile(FoldingSetNodeID &ID) const { | |||
841 | ProfileBinOpInit(ID, getOpcode(), getLHS(), getRHS(), getType()); | |||
842 | } | |||
843 | ||||
844 | static StringInit *ConcatStringInits(const StringInit *I0, | |||
845 | const StringInit *I1) { | |||
846 | SmallString<80> Concat(I0->getValue()); | |||
847 | Concat.append(I1->getValue()); | |||
848 | return StringInit::get(Concat, | |||
849 | StringInit::determineFormat(I0->getFormat(), | |||
850 | I1->getFormat())); | |||
851 | } | |||
852 | ||||
853 | static StringInit *interleaveStringList(const ListInit *List, | |||
854 | const StringInit *Delim) { | |||
855 | if (List->size() == 0) | |||
856 | return StringInit::get(""); | |||
857 | StringInit *Element = dyn_cast<StringInit>(List->getElement(0)); | |||
858 | if (!Element) | |||
859 | return nullptr; | |||
860 | SmallString<80> Result(Element->getValue()); | |||
861 | StringInit::StringFormat Fmt = StringInit::SF_String; | |||
862 | ||||
863 | for (unsigned I = 1, E = List->size(); I < E; ++I) { | |||
864 | Result.append(Delim->getValue()); | |||
865 | StringInit *Element = dyn_cast<StringInit>(List->getElement(I)); | |||
866 | if (!Element) | |||
867 | return nullptr; | |||
868 | Result.append(Element->getValue()); | |||
869 | Fmt = StringInit::determineFormat(Fmt, Element->getFormat()); | |||
870 | } | |||
871 | return StringInit::get(Result, Fmt); | |||
872 | } | |||
873 | ||||
874 | static StringInit *interleaveIntList(const ListInit *List, | |||
875 | const StringInit *Delim) { | |||
876 | if (List->size() == 0) | |||
877 | return StringInit::get(""); | |||
878 | IntInit *Element = | |||
879 | dyn_cast_or_null<IntInit>(List->getElement(0) | |||
880 | ->convertInitializerTo(IntRecTy::get())); | |||
881 | if (!Element) | |||
882 | return nullptr; | |||
883 | SmallString<80> Result(Element->getAsString()); | |||
884 | ||||
885 | for (unsigned I = 1, E = List->size(); I < E; ++I) { | |||
886 | Result.append(Delim->getValue()); | |||
887 | IntInit *Element = | |||
888 | dyn_cast_or_null<IntInit>(List->getElement(I) | |||
889 | ->convertInitializerTo(IntRecTy::get())); | |||
890 | if (!Element) | |||
891 | return nullptr; | |||
892 | Result.append(Element->getAsString()); | |||
893 | } | |||
894 | return StringInit::get(Result); | |||
895 | } | |||
896 | ||||
897 | Init *BinOpInit::getStrConcat(Init *I0, Init *I1) { | |||
898 | // Shortcut for the common case of concatenating two strings. | |||
899 | if (const StringInit *I0s = dyn_cast<StringInit>(I0)) | |||
900 | if (const StringInit *I1s = dyn_cast<StringInit>(I1)) | |||
901 | return ConcatStringInits(I0s, I1s); | |||
902 | return BinOpInit::get(BinOpInit::STRCONCAT, I0, I1, StringRecTy::get()); | |||
903 | } | |||
904 | ||||
905 | static ListInit *ConcatListInits(const ListInit *LHS, | |||
906 | const ListInit *RHS) { | |||
907 | SmallVector<Init *, 8> Args; | |||
908 | llvm::append_range(Args, *LHS); | |||
909 | llvm::append_range(Args, *RHS); | |||
910 | return ListInit::get(Args, LHS->getElementType()); | |||
911 | } | |||
912 | ||||
913 | Init *BinOpInit::getListConcat(TypedInit *LHS, Init *RHS) { | |||
914 | assert(isa<ListRecTy>(LHS->getType()) && "First arg must be a list")((isa<ListRecTy>(LHS->getType()) && "First arg must be a list" ) ? static_cast<void> (0) : __assert_fail ("isa<ListRecTy>(LHS->getType()) && \"First arg must be a list\"" , "/build/llvm-toolchain-snapshot-12~++20210114111115+2b1e25befefc/llvm/lib/TableGen/Record.cpp" , 914, __PRETTY_FUNCTION__)); | |||
915 | ||||
916 | // Shortcut for the common case of concatenating two lists. | |||
917 | if (const ListInit *LHSList = dyn_cast<ListInit>(LHS)) | |||
918 | if (const ListInit *RHSList = dyn_cast<ListInit>(RHS)) | |||
919 | return ConcatListInits(LHSList, RHSList); | |||
920 | return BinOpInit::get(BinOpInit::LISTCONCAT, LHS, RHS, LHS->getType()); | |||
921 | } | |||
922 | ||||
923 | Init *BinOpInit::Fold(Record *CurRec) const { | |||
924 | switch (getOpcode()) { | |||
925 | case CONCAT: { | |||
926 | DagInit *LHSs = dyn_cast<DagInit>(LHS); | |||
927 | DagInit *RHSs = dyn_cast<DagInit>(RHS); | |||
928 | if (LHSs && RHSs) { | |||
929 | DefInit *LOp = dyn_cast<DefInit>(LHSs->getOperator()); | |||
930 | DefInit *ROp = dyn_cast<DefInit>(RHSs->getOperator()); | |||
931 | if ((!LOp && !isa<UnsetInit>(LHSs->getOperator())) || | |||
932 | (!ROp && !isa<UnsetInit>(RHSs->getOperator()))) | |||
933 | break; | |||
934 | if (LOp && ROp && LOp->getDef() != ROp->getDef()) { | |||
935 | PrintFatalError(Twine("Concatenated Dag operators do not match: '") + | |||
936 | LHSs->getAsString() + "' vs. '" + RHSs->getAsString() + | |||
937 | "'"); | |||
938 | } | |||
939 | Init *Op = LOp ? LOp : ROp; | |||
940 | if (!Op) | |||
941 | Op = UnsetInit::get(); | |||
942 | ||||
943 | SmallVector<Init*, 8> Args; | |||
944 | SmallVector<StringInit*, 8> ArgNames; | |||
945 | for (unsigned i = 0, e = LHSs->getNumArgs(); i != e; ++i) { | |||
946 | Args.push_back(LHSs->getArg(i)); | |||
947 | ArgNames.push_back(LHSs->getArgName(i)); | |||
948 | } | |||
949 | for (unsigned i = 0, e = RHSs->getNumArgs(); i != e; ++i) { | |||
950 | Args.push_back(RHSs->getArg(i)); | |||
951 | ArgNames.push_back(RHSs->getArgName(i)); | |||
952 | } | |||
953 | return DagInit::get(Op, nullptr, Args, ArgNames); | |||
954 | } | |||
955 | break; | |||
956 | } | |||
957 | case LISTCONCAT: { | |||
958 | ListInit *LHSs = dyn_cast<ListInit>(LHS); | |||
959 | ListInit *RHSs = dyn_cast<ListInit>(RHS); | |||
960 | if (LHSs && RHSs) { | |||
961 | SmallVector<Init *, 8> Args; | |||
962 | llvm::append_range(Args, *LHSs); | |||
963 | llvm::append_range(Args, *RHSs); | |||
964 | return ListInit::get(Args, LHSs->getElementType()); | |||
965 | } | |||
966 | break; | |||
967 | } | |||
968 | case LISTSPLAT: { | |||
969 | TypedInit *Value = dyn_cast<TypedInit>(LHS); | |||
970 | IntInit *Size = dyn_cast<IntInit>(RHS); | |||
971 | if (Value && Size) { | |||
972 | SmallVector<Init *, 8> Args(Size->getValue(), Value); | |||
973 | return ListInit::get(Args, Value->getType()); | |||
974 | } | |||
975 | break; | |||
976 | } | |||
977 | case STRCONCAT: { | |||
978 | StringInit *LHSs = dyn_cast<StringInit>(LHS); | |||
979 | StringInit *RHSs = dyn_cast<StringInit>(RHS); | |||
980 | if (LHSs && RHSs) | |||
981 | return ConcatStringInits(LHSs, RHSs); | |||
982 | break; | |||
983 | } | |||
984 | case INTERLEAVE: { | |||
985 | ListInit *List = dyn_cast<ListInit>(LHS); | |||
986 | StringInit *Delim = dyn_cast<StringInit>(RHS); | |||
987 | if (List && Delim) { | |||
988 | StringInit *Result; | |||
989 | if (isa<StringRecTy>(List->getElementType())) | |||
990 | Result = interleaveStringList(List, Delim); | |||
991 | else | |||
992 | Result = interleaveIntList(List, Delim); | |||
993 | if (Result) | |||
994 | return Result; | |||
995 | } | |||
996 | break; | |||
997 | } | |||
998 | case EQ: | |||
999 | case NE: | |||
1000 | case LE: | |||
1001 | case LT: | |||
1002 | case GE: | |||
1003 | case GT: { | |||
1004 | // First see if we have two bit, bits, or int. | |||
1005 | IntInit *LHSi = | |||
1006 | dyn_cast_or_null<IntInit>(LHS->convertInitializerTo(IntRecTy::get())); | |||
1007 | IntInit *RHSi = | |||
1008 | dyn_cast_or_null<IntInit>(RHS->convertInitializerTo(IntRecTy::get())); | |||
1009 | ||||
1010 | if (LHSi && RHSi) { | |||
1011 | bool Result; | |||
1012 | switch (getOpcode()) { | |||
1013 | case EQ: Result = LHSi->getValue() == RHSi->getValue(); break; | |||
1014 | case NE: Result = LHSi->getValue() != RHSi->getValue(); break; | |||
1015 | case LE: Result = LHSi->getValue() <= RHSi->getValue(); break; | |||
1016 | case LT: Result = LHSi->getValue() < RHSi->getValue(); break; | |||
1017 | case GE: Result = LHSi->getValue() >= RHSi->getValue(); break; | |||
1018 | case GT: Result = LHSi->getValue() > RHSi->getValue(); break; | |||
1019 | default: llvm_unreachable("unhandled comparison")::llvm::llvm_unreachable_internal("unhandled comparison", "/build/llvm-toolchain-snapshot-12~++20210114111115+2b1e25befefc/llvm/lib/TableGen/Record.cpp" , 1019); | |||
1020 | } | |||
1021 | return BitInit::get(Result); | |||
1022 | } | |||
1023 | ||||
1024 | // Next try strings. | |||
1025 | StringInit *LHSs = dyn_cast<StringInit>(LHS); | |||
1026 | StringInit *RHSs = dyn_cast<StringInit>(RHS); | |||
1027 | ||||
1028 | if (LHSs && RHSs) { | |||
1029 | bool Result; | |||
1030 | switch (getOpcode()) { | |||
1031 | case EQ: Result = LHSs->getValue() == RHSs->getValue(); break; | |||
1032 | case NE: Result = LHSs->getValue() != RHSs->getValue(); break; | |||
1033 | case LE: Result = LHSs->getValue() <= RHSs->getValue(); break; | |||
1034 | case LT: Result = LHSs->getValue() < RHSs->getValue(); break; | |||
1035 | case GE: Result = LHSs->getValue() >= RHSs->getValue(); break; | |||
1036 | case GT: Result = LHSs->getValue() > RHSs->getValue(); break; | |||
1037 | default: llvm_unreachable("unhandled comparison")::llvm::llvm_unreachable_internal("unhandled comparison", "/build/llvm-toolchain-snapshot-12~++20210114111115+2b1e25befefc/llvm/lib/TableGen/Record.cpp" , 1037); | |||
1038 | } | |||
1039 | return BitInit::get(Result); | |||
1040 | } | |||
1041 | ||||
1042 | // Finally, !eq and !ne can be used with records. | |||
1043 | if (getOpcode() == EQ || getOpcode() == NE) { | |||
1044 | DefInit *LHSd = dyn_cast<DefInit>(LHS); | |||
1045 | DefInit *RHSd = dyn_cast<DefInit>(RHS); | |||
1046 | if (LHSd && RHSd) | |||
1047 | return BitInit::get((getOpcode() == EQ) ? LHSd == RHSd | |||
1048 | : LHSd != RHSd); | |||
1049 | } | |||
1050 | ||||
1051 | break; | |||
1052 | } | |||
1053 | case SETDAGOP: { | |||
1054 | DagInit *Dag = dyn_cast<DagInit>(LHS); | |||
1055 | DefInit *Op = dyn_cast<DefInit>(RHS); | |||
1056 | if (Dag && Op) { | |||
1057 | SmallVector<Init*, 8> Args; | |||
1058 | SmallVector<StringInit*, 8> ArgNames; | |||
1059 | for (unsigned i = 0, e = Dag->getNumArgs(); i != e; ++i) { | |||
1060 | Args.push_back(Dag->getArg(i)); | |||
1061 | ArgNames.push_back(Dag->getArgName(i)); | |||
1062 | } | |||
1063 | return DagInit::get(Op, nullptr, Args, ArgNames); | |||
1064 | } | |||
1065 | break; | |||
1066 | } | |||
1067 | case ADD: | |||
1068 | case SUB: | |||
1069 | case MUL: | |||
1070 | case AND: | |||
1071 | case OR: | |||
1072 | case XOR: | |||
1073 | case SHL: | |||
1074 | case SRA: | |||
1075 | case SRL: { | |||
1076 | IntInit *LHSi = | |||
1077 | dyn_cast_or_null<IntInit>(LHS->convertInitializerTo(IntRecTy::get())); | |||
1078 | IntInit *RHSi = | |||
1079 | dyn_cast_or_null<IntInit>(RHS->convertInitializerTo(IntRecTy::get())); | |||
1080 | if (LHSi && RHSi) { | |||
1081 | int64_t LHSv = LHSi->getValue(), RHSv = RHSi->getValue(); | |||
1082 | int64_t Result; | |||
1083 | switch (getOpcode()) { | |||
1084 | default: llvm_unreachable("Bad opcode!")::llvm::llvm_unreachable_internal("Bad opcode!", "/build/llvm-toolchain-snapshot-12~++20210114111115+2b1e25befefc/llvm/lib/TableGen/Record.cpp" , 1084); | |||
1085 | case ADD: Result = LHSv + RHSv; break; | |||
1086 | case SUB: Result = LHSv - RHSv; break; | |||
1087 | case MUL: Result = LHSv * RHSv; break; | |||
1088 | case AND: Result = LHSv & RHSv; break; | |||
1089 | case OR: Result = LHSv | RHSv; break; | |||
1090 | case XOR: Result = LHSv ^ RHSv; break; | |||
1091 | case SHL: Result = (uint64_t)LHSv << (uint64_t)RHSv; break; | |||
1092 | case SRA: Result = LHSv >> RHSv; break; | |||
1093 | case SRL: Result = (uint64_t)LHSv >> (uint64_t)RHSv; break; | |||
1094 | } | |||
1095 | return IntInit::get(Result); | |||
1096 | } | |||
1097 | break; | |||
1098 | } | |||
1099 | } | |||
1100 | return const_cast<BinOpInit *>(this); | |||
1101 | } | |||
1102 | ||||
1103 | Init *BinOpInit::resolveReferences(Resolver &R) const { | |||
1104 | Init *lhs = LHS->resolveReferences(R); | |||
1105 | Init *rhs = RHS->resolveReferences(R); | |||
1106 | ||||
1107 | if (LHS != lhs || RHS != rhs) | |||
1108 | return (BinOpInit::get(getOpcode(), lhs, rhs, getType())) | |||
1109 | ->Fold(R.getCurrentRecord()); | |||
1110 | return const_cast<BinOpInit *>(this); | |||
1111 | } | |||
1112 | ||||
1113 | std::string BinOpInit::getAsString() const { | |||
1114 | std::string Result; | |||
1115 | switch (getOpcode()) { | |||
1116 | case CONCAT: Result = "!con"; break; | |||
1117 | case ADD: Result = "!add"; break; | |||
1118 | case SUB: Result = "!sub"; break; | |||
1119 | case MUL: Result = "!mul"; break; | |||
1120 | case AND: Result = "!and"; break; | |||
1121 | case OR: Result = "!or"; break; | |||
1122 | case XOR: Result = "!xor"; break; | |||
1123 | case SHL: Result = "!shl"; break; | |||
1124 | case SRA: Result = "!sra"; break; | |||
1125 | case SRL: Result = "!srl"; break; | |||
1126 | case EQ: Result = "!eq"; break; | |||
1127 | case NE: Result = "!ne"; break; | |||
1128 | case LE: Result = "!le"; break; | |||
1129 | case LT: Result = "!lt"; break; | |||
1130 | case GE: Result = "!ge"; break; | |||
1131 | case GT: Result = "!gt"; break; | |||
1132 | case LISTCONCAT: Result = "!listconcat"; break; | |||
1133 | case LISTSPLAT: Result = "!listsplat"; break; | |||
1134 | case STRCONCAT: Result = "!strconcat"; break; | |||
1135 | case INTERLEAVE: Result = "!interleave"; break; | |||
1136 | case SETDAGOP: Result = "!setdagop"; break; | |||
1137 | } | |||
1138 | return Result + "(" + LHS->getAsString() + ", " + RHS->getAsString() + ")"; | |||
1139 | } | |||
1140 | ||||
1141 | static void | |||
1142 | ProfileTernOpInit(FoldingSetNodeID &ID, unsigned Opcode, Init *LHS, Init *MHS, | |||
1143 | Init *RHS, RecTy *Type) { | |||
1144 | ID.AddInteger(Opcode); | |||
1145 | ID.AddPointer(LHS); | |||
1146 | ID.AddPointer(MHS); | |||
1147 | ID.AddPointer(RHS); | |||
1148 | ID.AddPointer(Type); | |||
1149 | } | |||
1150 | ||||
1151 | TernOpInit *TernOpInit::get(TernaryOp Opc, Init *LHS, Init *MHS, Init *RHS, | |||
1152 | RecTy *Type) { | |||
1153 | static FoldingSet<TernOpInit> ThePool; | |||
1154 | ||||
1155 | FoldingSetNodeID ID; | |||
1156 | ProfileTernOpInit(ID, Opc, LHS, MHS, RHS, Type); | |||
1157 | ||||
1158 | void *IP = nullptr; | |||
1159 | if (TernOpInit *I = ThePool.FindNodeOrInsertPos(ID, IP)) | |||
1160 | return I; | |||
1161 | ||||
1162 | TernOpInit *I = new(Allocator) TernOpInit(Opc, LHS, MHS, RHS, Type); | |||
1163 | ThePool.InsertNode(I, IP); | |||
1164 | return I; | |||
1165 | } | |||
1166 | ||||
1167 | void TernOpInit::Profile(FoldingSetNodeID &ID) const { | |||
1168 | ProfileTernOpInit(ID, getOpcode(), getLHS(), getMHS(), getRHS(), getType()); | |||
1169 | } | |||
1170 | ||||
1171 | static Init *ItemApply(Init *LHS, Init *MHSe, Init *RHS, Record *CurRec) { | |||
1172 | MapResolver R(CurRec); | |||
1173 | R.set(LHS, MHSe); | |||
1174 | return RHS->resolveReferences(R); | |||
1175 | } | |||
1176 | ||||
1177 | static Init *ForeachDagApply(Init *LHS, DagInit *MHSd, Init *RHS, | |||
1178 | Record *CurRec) { | |||
1179 | bool Change = false; | |||
1180 | Init *Val = ItemApply(LHS, MHSd->getOperator(), RHS, CurRec); | |||
1181 | if (Val != MHSd->getOperator()) | |||
1182 | Change = true; | |||
1183 | ||||
1184 | SmallVector<std::pair<Init *, StringInit *>, 8> NewArgs; | |||
1185 | for (unsigned int i = 0; i < MHSd->getNumArgs(); ++i) { | |||
1186 | Init *Arg = MHSd->getArg(i); | |||
1187 | Init *NewArg; | |||
1188 | StringInit *ArgName = MHSd->getArgName(i); | |||
1189 | ||||
1190 | if (DagInit *Argd = dyn_cast<DagInit>(Arg)) | |||
1191 | NewArg = ForeachDagApply(LHS, Argd, RHS, CurRec); | |||
1192 | else | |||
1193 | NewArg = ItemApply(LHS, Arg, RHS, CurRec); | |||
1194 | ||||
1195 | NewArgs.push_back(std::make_pair(NewArg, ArgName)); | |||
1196 | if (Arg != NewArg) | |||
1197 | Change = true; | |||
1198 | } | |||
1199 | ||||
1200 | if (Change) | |||
1201 | return DagInit::get(Val, nullptr, NewArgs); | |||
1202 | return MHSd; | |||
1203 | } | |||
1204 | ||||
1205 | // Applies RHS to all elements of MHS, using LHS as a temp variable. | |||
1206 | static Init *ForeachHelper(Init *LHS, Init *MHS, Init *RHS, RecTy *Type, | |||
1207 | Record *CurRec) { | |||
1208 | if (DagInit *MHSd = dyn_cast<DagInit>(MHS)) | |||
1209 | return ForeachDagApply(LHS, MHSd, RHS, CurRec); | |||
1210 | ||||
1211 | if (ListInit *MHSl = dyn_cast<ListInit>(MHS)) { | |||
1212 | SmallVector<Init *, 8> NewList(MHSl->begin(), MHSl->end()); | |||
1213 | ||||
1214 | for (Init *&Item : NewList) { | |||
1215 | Init *NewItem = ItemApply(LHS, Item, RHS, CurRec); | |||
1216 | if (NewItem != Item) | |||
1217 | Item = NewItem; | |||
1218 | } | |||
1219 | return ListInit::get(NewList, cast<ListRecTy>(Type)->getElementType()); | |||
1220 | } | |||
1221 | ||||
1222 | return nullptr; | |||
1223 | } | |||
1224 | ||||
1225 | // Evaluates RHS for all elements of MHS, using LHS as a temp variable. | |||
1226 | // Creates a new list with the elements that evaluated to true. | |||
1227 | static Init *FilterHelper(Init *LHS, Init *MHS, Init *RHS, RecTy *Type, | |||
1228 | Record *CurRec) { | |||
1229 | if (ListInit *MHSl = dyn_cast<ListInit>(MHS)) { | |||
1230 | SmallVector<Init *, 8> NewList; | |||
1231 | ||||
1232 | for (Init *Item : MHSl->getValues()) { | |||
1233 | Init *Include = ItemApply(LHS, Item, RHS, CurRec); | |||
1234 | if (!Include) | |||
1235 | return nullptr; | |||
1236 | if (IntInit *IncludeInt = dyn_cast_or_null<IntInit>( | |||
1237 | Include->convertInitializerTo(IntRecTy::get()))) { | |||
1238 | if (IncludeInt->getValue()) | |||
1239 | NewList.push_back(Item); | |||
1240 | } else { | |||
1241 | return nullptr; | |||
1242 | } | |||
1243 | } | |||
1244 | return ListInit::get(NewList, cast<ListRecTy>(Type)->getElementType()); | |||
1245 | } | |||
1246 | ||||
1247 | return nullptr; | |||
1248 | } | |||
1249 | ||||
1250 | Init *TernOpInit::Fold(Record *CurRec) const { | |||
1251 | switch (getOpcode()) { | |||
1252 | case SUBST: { | |||
1253 | DefInit *LHSd = dyn_cast<DefInit>(LHS); | |||
1254 | VarInit *LHSv = dyn_cast<VarInit>(LHS); | |||
1255 | StringInit *LHSs = dyn_cast<StringInit>(LHS); | |||
1256 | ||||
1257 | DefInit *MHSd = dyn_cast<DefInit>(MHS); | |||
1258 | VarInit *MHSv = dyn_cast<VarInit>(MHS); | |||
1259 | StringInit *MHSs = dyn_cast<StringInit>(MHS); | |||
1260 | ||||
1261 | DefInit *RHSd = dyn_cast<DefInit>(RHS); | |||
1262 | VarInit *RHSv = dyn_cast<VarInit>(RHS); | |||
1263 | StringInit *RHSs = dyn_cast<StringInit>(RHS); | |||
1264 | ||||
1265 | if (LHSd && MHSd && RHSd) { | |||
1266 | Record *Val = RHSd->getDef(); | |||
1267 | if (LHSd->getAsString() == RHSd->getAsString()) | |||
1268 | Val = MHSd->getDef(); | |||
1269 | return DefInit::get(Val); | |||
1270 | } | |||
1271 | if (LHSv && MHSv && RHSv) { | |||
1272 | std::string Val = std::string(RHSv->getName()); | |||
1273 | if (LHSv->getAsString() == RHSv->getAsString()) | |||
1274 | Val = std::string(MHSv->getName()); | |||
1275 | return VarInit::get(Val, getType()); | |||
1276 | } | |||
1277 | if (LHSs && MHSs && RHSs) { | |||
1278 | std::string Val = std::string(RHSs->getValue()); | |||
1279 | ||||
1280 | std::string::size_type found; | |||
1281 | std::string::size_type idx = 0; | |||
1282 | while (true) { | |||
1283 | found = Val.find(std::string(LHSs->getValue()), idx); | |||
1284 | if (found == std::string::npos) | |||
1285 | break; | |||
1286 | Val.replace(found, LHSs->getValue().size(), | |||
1287 | std::string(MHSs->getValue())); | |||
1288 | idx = found + MHSs->getValue().size(); | |||
1289 | } | |||
1290 | ||||
1291 | return StringInit::get(Val); | |||
1292 | } | |||
1293 | break; | |||
1294 | } | |||
1295 | ||||
1296 | case FOREACH: { | |||
1297 | if (Init *Result = ForeachHelper(LHS, MHS, RHS, getType(), CurRec)) | |||
1298 | return Result; | |||
1299 | break; | |||
1300 | } | |||
1301 | ||||
1302 | case FILTER: { | |||
1303 | if (Init *Result = FilterHelper(LHS, MHS, RHS, getType(), CurRec)) | |||
1304 | return Result; | |||
1305 | break; | |||
1306 | } | |||
1307 | ||||
1308 | case IF: { | |||
1309 | if (IntInit *LHSi = dyn_cast_or_null<IntInit>( | |||
1310 | LHS->convertInitializerTo(IntRecTy::get()))) { | |||
1311 | if (LHSi->getValue()) | |||
1312 | return MHS; | |||
1313 | return RHS; | |||
1314 | } | |||
1315 | break; | |||
1316 | } | |||
1317 | ||||
1318 | case DAG: { | |||
1319 | ListInit *MHSl = dyn_cast<ListInit>(MHS); | |||
1320 | ListInit *RHSl = dyn_cast<ListInit>(RHS); | |||
1321 | bool MHSok = MHSl || isa<UnsetInit>(MHS); | |||
1322 | bool RHSok = RHSl || isa<UnsetInit>(RHS); | |||
1323 | ||||
1324 | if (isa<UnsetInit>(MHS) && isa<UnsetInit>(RHS)) | |||
1325 | break; // Typically prevented by the parser, but might happen with template args | |||
1326 | ||||
1327 | if (MHSok && RHSok && (!MHSl || !RHSl || MHSl->size() == RHSl->size())) { | |||
1328 | SmallVector<std::pair<Init *, StringInit *>, 8> Children; | |||
1329 | unsigned Size = MHSl ? MHSl->size() : RHSl->size(); | |||
1330 | for (unsigned i = 0; i != Size; ++i) { | |||
1331 | Init *Node = MHSl ? MHSl->getElement(i) : UnsetInit::get(); | |||
1332 | Init *Name = RHSl ? RHSl->getElement(i) : UnsetInit::get(); | |||
1333 | if (!isa<StringInit>(Name) && !isa<UnsetInit>(Name)) | |||
1334 | return const_cast<TernOpInit *>(this); | |||
1335 | Children.emplace_back(Node, dyn_cast<StringInit>(Name)); | |||
1336 | } | |||
1337 | return DagInit::get(LHS, nullptr, Children); | |||
1338 | } | |||
1339 | break; | |||
1340 | } | |||
1341 | ||||
1342 | case SUBSTR: { | |||
1343 | StringInit *LHSs = dyn_cast<StringInit>(LHS); | |||
1344 | IntInit *MHSi = dyn_cast<IntInit>(MHS); | |||
1345 | IntInit *RHSi = dyn_cast<IntInit>(RHS); | |||
1346 | if (LHSs && MHSi && RHSi) { | |||
1347 | int64_t StringSize = LHSs->getValue().size(); | |||
1348 | int64_t Start = MHSi->getValue(); | |||
1349 | int64_t Length = RHSi->getValue(); | |||
1350 | if (Start < 0 || Start > StringSize) | |||
1351 | PrintError(CurRec->getLoc(), | |||
1352 | Twine("!substr start position is out of range 0...") + | |||
1353 | std::to_string(StringSize) + ": " + | |||
1354 | std::to_string(Start)); | |||
1355 | if (Length < 0) | |||
1356 | PrintError(CurRec->getLoc(), "!substr length must be nonnegative"); | |||
1357 | return StringInit::get(LHSs->getValue().substr(Start, Length), | |||
1358 | LHSs->getFormat()); | |||
1359 | } | |||
1360 | break; | |||
1361 | } | |||
1362 | } | |||
1363 | ||||
1364 | return const_cast<TernOpInit *>(this); | |||
1365 | } | |||
1366 | ||||
1367 | Init *TernOpInit::resolveReferences(Resolver &R) const { | |||
1368 | Init *lhs = LHS->resolveReferences(R); | |||
1369 | ||||
1370 | if (getOpcode() == IF && lhs != LHS) { | |||
1371 | if (IntInit *Value = dyn_cast_or_null<IntInit>( | |||
1372 | lhs->convertInitializerTo(IntRecTy::get()))) { | |||
1373 | // Short-circuit | |||
1374 | if (Value->getValue()) | |||
1375 | return MHS->resolveReferences(R); | |||
1376 | return RHS->resolveReferences(R); | |||
1377 | } | |||
1378 | } | |||
1379 | ||||
1380 | Init *mhs = MHS->resolveReferences(R); | |||
1381 | Init *rhs; | |||
1382 | ||||
1383 | if (getOpcode() == FOREACH || getOpcode() == FILTER) { | |||
1384 | ShadowResolver SR(R); | |||
1385 | SR.addShadow(lhs); | |||
1386 | rhs = RHS->resolveReferences(SR); | |||
1387 | } else { | |||
1388 | rhs = RHS->resolveReferences(R); | |||
1389 | } | |||
1390 | ||||
1391 | if (LHS != lhs || MHS != mhs || RHS != rhs) | |||
1392 | return (TernOpInit::get(getOpcode(), lhs, mhs, rhs, getType())) | |||
1393 | ->Fold(R.getCurrentRecord()); | |||
1394 | return const_cast<TernOpInit *>(this); | |||
1395 | } | |||
1396 | ||||
1397 | std::string TernOpInit::getAsString() const { | |||
1398 | std::string Result; | |||
1399 | bool UnquotedLHS = false; | |||
1400 | switch (getOpcode()) { | |||
1401 | case DAG: Result = "!dag"; break; | |||
1402 | case FILTER: Result = "!filter"; UnquotedLHS = true; break; | |||
1403 | case FOREACH: Result = "!foreach"; UnquotedLHS = true; break; | |||
1404 | case IF: Result = "!if"; break; | |||
1405 | case SUBST: Result = "!subst"; break; | |||
1406 | case SUBSTR: Result = "!substr"; break; | |||
1407 | } | |||
1408 | return (Result + "(" + | |||
1409 | (UnquotedLHS ? LHS->getAsUnquotedString() : LHS->getAsString()) + | |||
1410 | ", " + MHS->getAsString() + ", " + RHS->getAsString() + ")"); | |||
1411 | } | |||
1412 | ||||
1413 | static void ProfileFoldOpInit(FoldingSetNodeID &ID, Init *A, Init *B, | |||
1414 | Init *Start, Init *List, Init *Expr, | |||
1415 | RecTy *Type) { | |||
1416 | ID.AddPointer(Start); | |||
1417 | ID.AddPointer(List); | |||
1418 | ID.AddPointer(A); | |||
1419 | ID.AddPointer(B); | |||
1420 | ID.AddPointer(Expr); | |||
1421 | ID.AddPointer(Type); | |||
1422 | } | |||
1423 | ||||
1424 | FoldOpInit *FoldOpInit::get(Init *Start, Init *List, Init *A, Init *B, | |||
1425 | Init *Expr, RecTy *Type) { | |||
1426 | static FoldingSet<FoldOpInit> ThePool; | |||
1427 | ||||
1428 | FoldingSetNodeID ID; | |||
1429 | ProfileFoldOpInit(ID, Start, List, A, B, Expr, Type); | |||
1430 | ||||
1431 | void *IP = nullptr; | |||
1432 | if (FoldOpInit *I = ThePool.FindNodeOrInsertPos(ID, IP)) | |||
1433 | return I; | |||
1434 | ||||
1435 | FoldOpInit *I = new (Allocator) FoldOpInit(Start, List, A, B, Expr, Type); | |||
1436 | ThePool.InsertNode(I, IP); | |||
1437 | return I; | |||
1438 | } | |||
1439 | ||||
1440 | void FoldOpInit::Profile(FoldingSetNodeID &ID) const { | |||
1441 | ProfileFoldOpInit(ID, Start, List, A, B, Expr, getType()); | |||
1442 | } | |||
1443 | ||||
1444 | Init *FoldOpInit::Fold(Record *CurRec) const { | |||
1445 | if (ListInit *LI = dyn_cast<ListInit>(List)) { | |||
1446 | Init *Accum = Start; | |||
1447 | for (Init *Elt : *LI) { | |||
1448 | MapResolver R(CurRec); | |||
1449 | R.set(A, Accum); | |||
1450 | R.set(B, Elt); | |||
1451 | Accum = Expr->resolveReferences(R); | |||
1452 | } | |||
1453 | return Accum; | |||
1454 | } | |||
1455 | return const_cast<FoldOpInit *>(this); | |||
1456 | } | |||
1457 | ||||
1458 | Init *FoldOpInit::resolveReferences(Resolver &R) const { | |||
1459 | Init *NewStart = Start->resolveReferences(R); | |||
1460 | Init *NewList = List->resolveReferences(R); | |||
1461 | ShadowResolver SR(R); | |||
1462 | SR.addShadow(A); | |||
1463 | SR.addShadow(B); | |||
1464 | Init *NewExpr = Expr->resolveReferences(SR); | |||
1465 | ||||
1466 | if (Start == NewStart && List == NewList && Expr == NewExpr) | |||
1467 | return const_cast<FoldOpInit *>(this); | |||
1468 | ||||
1469 | return get(NewStart, NewList, A, B, NewExpr, getType()) | |||
1470 | ->Fold(R.getCurrentRecord()); | |||
1471 | } | |||
1472 | ||||
1473 | Init *FoldOpInit::getBit(unsigned Bit) const { | |||
1474 | return VarBitInit::get(const_cast<FoldOpInit *>(this), Bit); | |||
1475 | } | |||
1476 | ||||
1477 | std::string FoldOpInit::getAsString() const { | |||
1478 | return (Twine("!foldl(") + Start->getAsString() + ", " + List->getAsString() + | |||
1479 | ", " + A->getAsUnquotedString() + ", " + B->getAsUnquotedString() + | |||
1480 | ", " + Expr->getAsString() + ")") | |||
1481 | .str(); | |||
1482 | } | |||
1483 | ||||
1484 | static void ProfileIsAOpInit(FoldingSetNodeID &ID, RecTy *CheckType, | |||
1485 | Init *Expr) { | |||
1486 | ID.AddPointer(CheckType); | |||
1487 | ID.AddPointer(Expr); | |||
1488 | } | |||
1489 | ||||
1490 | IsAOpInit *IsAOpInit::get(RecTy *CheckType, Init *Expr) { | |||
1491 | static FoldingSet<IsAOpInit> ThePool; | |||
1492 | ||||
1493 | FoldingSetNodeID ID; | |||
1494 | ProfileIsAOpInit(ID, CheckType, Expr); | |||
1495 | ||||
1496 | void *IP = nullptr; | |||
1497 | if (IsAOpInit *I = ThePool.FindNodeOrInsertPos(ID, IP)) | |||
1498 | return I; | |||
1499 | ||||
1500 | IsAOpInit *I = new (Allocator) IsAOpInit(CheckType, Expr); | |||
1501 | ThePool.InsertNode(I, IP); | |||
1502 | return I; | |||
1503 | } | |||
1504 | ||||
1505 | void IsAOpInit::Profile(FoldingSetNodeID &ID) const { | |||
1506 | ProfileIsAOpInit(ID, CheckType, Expr); | |||
1507 | } | |||
1508 | ||||
1509 | Init *IsAOpInit::Fold() const { | |||
1510 | if (TypedInit *TI = dyn_cast<TypedInit>(Expr)) { | |||
1511 | // Is the expression type known to be (a subclass of) the desired type? | |||
1512 | if (TI->getType()->typeIsConvertibleTo(CheckType)) | |||
1513 | return IntInit::get(1); | |||
1514 | ||||
1515 | if (isa<RecordRecTy>(CheckType)) { | |||
1516 | // If the target type is not a subclass of the expression type, or if | |||
1517 | // the expression has fully resolved to a record, we know that it can't | |||
1518 | // be of the required type. | |||
1519 | if (!CheckType->typeIsConvertibleTo(TI->getType()) || isa<DefInit>(Expr)) | |||
1520 | return IntInit::get(0); | |||
1521 | } else { | |||
1522 | // We treat non-record types as not castable. | |||
1523 | return IntInit::get(0); | |||
1524 | } | |||
1525 | } | |||
1526 | return const_cast<IsAOpInit *>(this); | |||
1527 | } | |||
1528 | ||||
1529 | Init *IsAOpInit::resolveReferences(Resolver &R) const { | |||
1530 | Init *NewExpr = Expr->resolveReferences(R); | |||
1531 | if (Expr != NewExpr) | |||
1532 | return get(CheckType, NewExpr)->Fold(); | |||
1533 | return const_cast<IsAOpInit *>(this); | |||
1534 | } | |||
1535 | ||||
1536 | Init *IsAOpInit::getBit(unsigned Bit) const { | |||
1537 | return VarBitInit::get(const_cast<IsAOpInit *>(this), Bit); | |||
1538 | } | |||
1539 | ||||
1540 | std::string IsAOpInit::getAsString() const { | |||
1541 | return (Twine("!isa<") + CheckType->getAsString() + ">(" + | |||
1542 | Expr->getAsString() + ")") | |||
1543 | .str(); | |||
1544 | } | |||
1545 | ||||
1546 | RecTy *TypedInit::getFieldType(StringInit *FieldName) const { | |||
1547 | if (RecordRecTy *RecordType = dyn_cast<RecordRecTy>(getType())) { | |||
1548 | for (Record *Rec : RecordType->getClasses()) { | |||
1549 | if (RecordVal *Field = Rec->getValue(FieldName)) | |||
1550 | return Field->getType(); | |||
1551 | } | |||
1552 | } | |||
1553 | return nullptr; | |||
1554 | } | |||
1555 | ||||
1556 | Init * | |||
1557 | TypedInit::convertInitializerTo(RecTy *Ty) const { | |||
1558 | if (getType() == Ty || getType()->typeIsA(Ty)) | |||
1559 | return const_cast<TypedInit *>(this); | |||
1560 | ||||
1561 | if (isa<BitRecTy>(getType()) && isa<BitsRecTy>(Ty) && | |||
1562 | cast<BitsRecTy>(Ty)->getNumBits() == 1) | |||
1563 | return BitsInit::get({const_cast<TypedInit *>(this)}); | |||
1564 | ||||
1565 | return nullptr; | |||
1566 | } | |||
1567 | ||||
1568 | Init *TypedInit::convertInitializerBitRange(ArrayRef<unsigned> Bits) const { | |||
1569 | BitsRecTy *T = dyn_cast<BitsRecTy>(getType()); | |||
1570 | if (!T) return nullptr; // Cannot subscript a non-bits variable. | |||
1571 | unsigned NumBits = T->getNumBits(); | |||
1572 | ||||
1573 | SmallVector<Init *, 16> NewBits; | |||
1574 | NewBits.reserve(Bits.size()); | |||
1575 | for (unsigned Bit : Bits) { | |||
1576 | if (Bit >= NumBits) | |||
1577 | return nullptr; | |||
1578 | ||||
1579 | NewBits.push_back(VarBitInit::get(const_cast<TypedInit *>(this), Bit)); | |||
1580 | } | |||
1581 | return BitsInit::get(NewBits); | |||
1582 | } | |||
1583 | ||||
1584 | Init *TypedInit::getCastTo(RecTy *Ty) const { | |||
1585 | // Handle the common case quickly | |||
1586 | if (getType() == Ty || getType()->typeIsA(Ty)) | |||
| ||||
1587 | return const_cast<TypedInit *>(this); | |||
1588 | ||||
1589 | if (Init *Converted = convertInitializerTo(Ty)) { | |||
1590 | assert(!isa<TypedInit>(Converted) ||((!isa<TypedInit>(Converted) || cast<TypedInit>(Converted )->getType()->typeIsA(Ty)) ? static_cast<void> (0 ) : __assert_fail ("!isa<TypedInit>(Converted) || cast<TypedInit>(Converted)->getType()->typeIsA(Ty)" , "/build/llvm-toolchain-snapshot-12~++20210114111115+2b1e25befefc/llvm/lib/TableGen/Record.cpp" , 1591, __PRETTY_FUNCTION__)) | |||
1591 | cast<TypedInit>(Converted)->getType()->typeIsA(Ty))((!isa<TypedInit>(Converted) || cast<TypedInit>(Converted )->getType()->typeIsA(Ty)) ? static_cast<void> (0 ) : __assert_fail ("!isa<TypedInit>(Converted) || cast<TypedInit>(Converted)->getType()->typeIsA(Ty)" , "/build/llvm-toolchain-snapshot-12~++20210114111115+2b1e25befefc/llvm/lib/TableGen/Record.cpp" , 1591, __PRETTY_FUNCTION__)); | |||
1592 | return Converted; | |||
1593 | } | |||
1594 | ||||
1595 | if (!getType()->typeIsConvertibleTo(Ty)) | |||
1596 | return nullptr; | |||
1597 | ||||
1598 | return UnOpInit::get(UnOpInit::CAST, const_cast<TypedInit *>(this), Ty) | |||
1599 | ->Fold(nullptr); | |||
1600 | } | |||
1601 | ||||
1602 | Init *TypedInit::convertInitListSlice(ArrayRef<unsigned> Elements) const { | |||
1603 | ListRecTy *T = dyn_cast<ListRecTy>(getType()); | |||
1604 | if (!T) return nullptr; // Cannot subscript a non-list variable. | |||
1605 | ||||
1606 | if (Elements.size() == 1) | |||
1607 | return VarListElementInit::get(const_cast<TypedInit *>(this), Elements[0]); | |||
1608 | ||||
1609 | SmallVector<Init*, 8> ListInits; | |||
1610 | ListInits.reserve(Elements.size()); | |||
1611 | for (unsigned Element : Elements) | |||
1612 | ListInits.push_back(VarListElementInit::get(const_cast<TypedInit *>(this), | |||
1613 | Element)); | |||
1614 | return ListInit::get(ListInits, T->getElementType()); | |||
1615 | } | |||
1616 | ||||
1617 | ||||
1618 | VarInit *VarInit::get(StringRef VN, RecTy *T) { | |||
1619 | Init *Value = StringInit::get(VN); | |||
1620 | return VarInit::get(Value, T); | |||
1621 | } | |||
1622 | ||||
1623 | VarInit *VarInit::get(Init *VN, RecTy *T) { | |||
1624 | using Key = std::pair<RecTy *, Init *>; | |||
1625 | static DenseMap<Key, VarInit*> ThePool; | |||
1626 | ||||
1627 | Key TheKey(std::make_pair(T, VN)); | |||
1628 | ||||
1629 | VarInit *&I = ThePool[TheKey]; | |||
1630 | if (!I) | |||
1631 | I = new(Allocator) VarInit(VN, T); | |||
1632 | return I; | |||
1633 | } | |||
1634 | ||||
1635 | StringRef VarInit::getName() const { | |||
1636 | StringInit *NameString = cast<StringInit>(getNameInit()); | |||
1637 | return NameString->getValue(); | |||
1638 | } | |||
1639 | ||||
1640 | Init *VarInit::getBit(unsigned Bit) const { | |||
1641 | if (getType() == BitRecTy::get()) | |||
1642 | return const_cast<VarInit*>(this); | |||
1643 | return VarBitInit::get(const_cast<VarInit*>(this), Bit); | |||
1644 | } | |||
1645 | ||||
1646 | Init *VarInit::resolveReferences(Resolver &R) const { | |||
1647 | if (Init *Val = R.resolve(VarName)) | |||
1648 | return Val; | |||
1649 | return const_cast<VarInit *>(this); | |||
1650 | } | |||
1651 | ||||
1652 | VarBitInit *VarBitInit::get(TypedInit *T, unsigned B) { | |||
1653 | using Key = std::pair<TypedInit *, unsigned>; | |||
1654 | static DenseMap<Key, VarBitInit*> ThePool; | |||
1655 | ||||
1656 | Key TheKey(std::make_pair(T, B)); | |||
1657 | ||||
1658 | VarBitInit *&I = ThePool[TheKey]; | |||
1659 | if (!I) | |||
1660 | I = new(Allocator) VarBitInit(T, B); | |||
1661 | return I; | |||
1662 | } | |||
1663 | ||||
1664 | std::string VarBitInit::getAsString() const { | |||
1665 | return TI->getAsString() + "{" + utostr(Bit) + "}"; | |||
1666 | } | |||
1667 | ||||
1668 | Init *VarBitInit::resolveReferences(Resolver &R) const { | |||
1669 | Init *I = TI->resolveReferences(R); | |||
1670 | if (TI != I) | |||
1671 | return I->getBit(getBitNum()); | |||
1672 | ||||
1673 | return const_cast<VarBitInit*>(this); | |||
1674 | } | |||
1675 | ||||
1676 | VarListElementInit *VarListElementInit::get(TypedInit *T, | |||
1677 | unsigned E) { | |||
1678 | using Key = std::pair<TypedInit *, unsigned>; | |||
1679 | static DenseMap<Key, VarListElementInit*> ThePool; | |||
1680 | ||||
1681 | Key TheKey(std::make_pair(T, E)); | |||
1682 | ||||
1683 | VarListElementInit *&I = ThePool[TheKey]; | |||
1684 | if (!I) I = new(Allocator) VarListElementInit(T, E); | |||
1685 | return I; | |||
1686 | } | |||
1687 | ||||
1688 | std::string VarListElementInit::getAsString() const { | |||
1689 | return TI->getAsString() + "[" + utostr(Element) + "]"; | |||
1690 | } | |||
1691 | ||||
1692 | Init *VarListElementInit::resolveReferences(Resolver &R) const { | |||
1693 | Init *NewTI = TI->resolveReferences(R); | |||
1694 | if (ListInit *List = dyn_cast<ListInit>(NewTI)) { | |||
1695 | // Leave out-of-bounds array references as-is. This can happen without | |||
1696 | // being an error, e.g. in the untaken "branch" of an !if expression. | |||
1697 | if (getElementNum() < List->size()) | |||
1698 | return List->getElement(getElementNum()); | |||
1699 | } | |||
1700 | if (NewTI != TI && isa<TypedInit>(NewTI)) | |||
1701 | return VarListElementInit::get(cast<TypedInit>(NewTI), getElementNum()); | |||
1702 | return const_cast<VarListElementInit *>(this); | |||
1703 | } | |||
1704 | ||||
1705 | Init *VarListElementInit::getBit(unsigned Bit) const { | |||
1706 | if (getType() == BitRecTy::get()) | |||
1707 | return const_cast<VarListElementInit*>(this); | |||
1708 | return VarBitInit::get(const_cast<VarListElementInit*>(this), Bit); | |||
1709 | } | |||
1710 | ||||
1711 | DefInit::DefInit(Record *D) | |||
1712 | : TypedInit(IK_DefInit, D->getType()), Def(D) {} | |||
1713 | ||||
1714 | DefInit *DefInit::get(Record *R) { | |||
1715 | return R->getDefInit(); | |||
1716 | } | |||
1717 | ||||
1718 | Init *DefInit::convertInitializerTo(RecTy *Ty) const { | |||
1719 | if (auto *RRT = dyn_cast<RecordRecTy>(Ty)) | |||
1720 | if (getType()->typeIsConvertibleTo(RRT)) | |||
1721 | return const_cast<DefInit *>(this); | |||
1722 | return nullptr; | |||
1723 | } | |||
1724 | ||||
1725 | RecTy *DefInit::getFieldType(StringInit *FieldName) const { | |||
1726 | if (const RecordVal *RV = Def->getValue(FieldName)) | |||
1727 | return RV->getType(); | |||
1728 | return nullptr; | |||
1729 | } | |||
1730 | ||||
1731 | std::string DefInit::getAsString() const { return std::string(Def->getName()); } | |||
1732 | ||||
1733 | static void ProfileVarDefInit(FoldingSetNodeID &ID, | |||
1734 | Record *Class, | |||
1735 | ArrayRef<Init *> Args) { | |||
1736 | ID.AddInteger(Args.size()); | |||
1737 | ID.AddPointer(Class); | |||
1738 | ||||
1739 | for (Init *I : Args) | |||
1740 | ID.AddPointer(I); | |||
1741 | } | |||
1742 | ||||
1743 | VarDefInit *VarDefInit::get(Record *Class, ArrayRef<Init *> Args) { | |||
1744 | static FoldingSet<VarDefInit> ThePool; | |||
1745 | ||||
1746 | FoldingSetNodeID ID; | |||
1747 | ProfileVarDefInit(ID, Class, Args); | |||
1748 | ||||
1749 | void *IP = nullptr; | |||
1750 | if (VarDefInit *I = ThePool.FindNodeOrInsertPos(ID, IP)) | |||
1751 | return I; | |||
1752 | ||||
1753 | void *Mem = Allocator.Allocate(totalSizeToAlloc<Init *>(Args.size()), | |||
1754 | alignof(VarDefInit)); | |||
1755 | VarDefInit *I = new(Mem) VarDefInit(Class, Args.size()); | |||
1756 | std::uninitialized_copy(Args.begin(), Args.end(), | |||
1757 | I->getTrailingObjects<Init *>()); | |||
1758 | ThePool.InsertNode(I, IP); | |||
1759 | return I; | |||
1760 | } | |||
1761 | ||||
1762 | void VarDefInit::Profile(FoldingSetNodeID &ID) const { | |||
1763 | ProfileVarDefInit(ID, Class, args()); | |||
1764 | } | |||
1765 | ||||
1766 | DefInit *VarDefInit::instantiate() { | |||
1767 | if (!Def) { | |||
1768 | RecordKeeper &Records = Class->getRecords(); | |||
1769 | auto NewRecOwner = std::make_unique<Record>(Records.getNewAnonymousName(), | |||
1770 | Class->getLoc(), Records, | |||
1771 | /*IsAnonymous=*/true); | |||
1772 | Record *NewRec = NewRecOwner.get(); | |||
1773 | ||||
1774 | // Copy values from class to instance | |||
1775 | for (const RecordVal &Val : Class->getValues()) | |||
1776 | NewRec->addValue(Val); | |||
1777 | ||||
1778 | // Substitute and resolve template arguments | |||
1779 | ArrayRef<Init *> TArgs = Class->getTemplateArgs(); | |||
1780 | MapResolver R(NewRec); | |||
1781 | ||||
1782 | for (unsigned i = 0, e = TArgs.size(); i != e; ++i) { | |||
1783 | if (i < args_size()) | |||
1784 | R.set(TArgs[i], getArg(i)); | |||
1785 | else | |||
1786 | R.set(TArgs[i], NewRec->getValue(TArgs[i])->getValue()); | |||
1787 | ||||
1788 | NewRec->removeValue(TArgs[i]); | |||
1789 | } | |||
1790 | ||||
1791 | NewRec->resolveReferences(R); | |||
1792 | ||||
1793 | // Add superclasses. | |||
1794 | ArrayRef<std::pair<Record *, SMRange>> SCs = Class->getSuperClasses(); | |||
1795 | for (const auto &SCPair : SCs) | |||
1796 | NewRec->addSuperClass(SCPair.first, SCPair.second); | |||
1797 | ||||
1798 | NewRec->addSuperClass(Class, | |||
1799 | SMRange(Class->getLoc().back(), | |||
1800 | Class->getLoc().back())); | |||
1801 | ||||
1802 | // Resolve internal references and store in record keeper | |||
1803 | NewRec->resolveReferences(); | |||
1804 | Records.addDef(std::move(NewRecOwner)); | |||
1805 | ||||
1806 | Def = DefInit::get(NewRec); | |||
1807 | } | |||
1808 | ||||
1809 | return Def; | |||
1810 | } | |||
1811 | ||||
1812 | Init *VarDefInit::resolveReferences(Resolver &R) const { | |||
1813 | TrackUnresolvedResolver UR(&R); | |||
1814 | bool Changed = false; | |||
1815 | SmallVector<Init *, 8> NewArgs; | |||
1816 | NewArgs.reserve(args_size()); | |||
1817 | ||||
1818 | for (Init *Arg : args()) { | |||
1819 | Init *NewArg = Arg->resolveReferences(UR); | |||
1820 | NewArgs.push_back(NewArg); | |||
1821 | Changed |= NewArg != Arg; | |||
1822 | } | |||
1823 | ||||
1824 | if (Changed) { | |||
1825 | auto New = VarDefInit::get(Class, NewArgs); | |||
1826 | if (!UR.foundUnresolved()) | |||
1827 | return New->instantiate(); | |||
1828 | return New; | |||
1829 | } | |||
1830 | return const_cast<VarDefInit *>(this); | |||
1831 | } | |||
1832 | ||||
1833 | Init *VarDefInit::Fold() const { | |||
1834 | if (Def) | |||
1835 | return Def; | |||
1836 | ||||
1837 | TrackUnresolvedResolver R; | |||
1838 | for (Init *Arg : args()) | |||
1839 | Arg->resolveReferences(R); | |||
1840 | ||||
1841 | if (!R.foundUnresolved()) | |||
1842 | return const_cast<VarDefInit *>(this)->instantiate(); | |||
1843 | return const_cast<VarDefInit *>(this); | |||
1844 | } | |||
1845 | ||||
1846 | std::string VarDefInit::getAsString() const { | |||
1847 | std::string Result = Class->getNameInitAsString() + "<"; | |||
1848 | const char *sep = ""; | |||
1849 | for (Init *Arg : args()) { | |||
1850 | Result += sep; | |||
1851 | sep = ", "; | |||
1852 | Result += Arg->getAsString(); | |||
1853 | } | |||
1854 | return Result + ">"; | |||
1855 | } | |||
1856 | ||||
1857 | FieldInit *FieldInit::get(Init *R, StringInit *FN) { | |||
1858 | using Key = std::pair<Init *, StringInit *>; | |||
1859 | static DenseMap<Key, FieldInit*> ThePool; | |||
1860 | ||||
1861 | Key TheKey(std::make_pair(R, FN)); | |||
1862 | ||||
1863 | FieldInit *&I = ThePool[TheKey]; | |||
1864 | if (!I) I = new(Allocator) FieldInit(R, FN); | |||
1865 | return I; | |||
1866 | } | |||
1867 | ||||
1868 | Init *FieldInit::getBit(unsigned Bit) const { | |||
1869 | if (getType() == BitRecTy::get()) | |||
1870 | return const_cast<FieldInit*>(this); | |||
1871 | return VarBitInit::get(const_cast<FieldInit*>(this), Bit); | |||
1872 | } | |||
1873 | ||||
1874 | Init *FieldInit::resolveReferences(Resolver &R) const { | |||
1875 | Init *NewRec = Rec->resolveReferences(R); | |||
1876 | if (NewRec != Rec) | |||
1877 | return FieldInit::get(NewRec, FieldName)->Fold(R.getCurrentRecord()); | |||
1878 | return const_cast<FieldInit *>(this); | |||
1879 | } | |||
1880 | ||||
1881 | Init *FieldInit::Fold(Record *CurRec) const { | |||
1882 | if (DefInit *DI = dyn_cast<DefInit>(Rec)) { | |||
1883 | Record *Def = DI->getDef(); | |||
1884 | if (Def == CurRec) | |||
1885 | PrintFatalError(CurRec->getLoc(), | |||
1886 | Twine("Attempting to access field '") + | |||
1887 | FieldName->getAsUnquotedString() + "' of '" + | |||
1888 | Rec->getAsString() + "' is a forbidden self-reference"); | |||
1889 | Init *FieldVal = Def->getValue(FieldName)->getValue(); | |||
1890 | if (FieldVal->isComplete()) | |||
1891 | return FieldVal; | |||
1892 | } | |||
1893 | return const_cast<FieldInit *>(this); | |||
1894 | } | |||
1895 | ||||
1896 | bool FieldInit::isConcrete() const { | |||
1897 | if (DefInit *DI = dyn_cast<DefInit>(Rec)) { | |||
1898 | Init *FieldVal = DI->getDef()->getValue(FieldName)->getValue(); | |||
1899 | return FieldVal->isConcrete(); | |||
1900 | } | |||
1901 | return false; | |||
1902 | } | |||
1903 | ||||
1904 | static void ProfileCondOpInit(FoldingSetNodeID &ID, | |||
1905 | ArrayRef<Init *> CondRange, | |||
1906 | ArrayRef<Init *> ValRange, | |||
1907 | const RecTy *ValType) { | |||
1908 | assert(CondRange.size() == ValRange.size() &&((CondRange.size() == ValRange.size() && "Number of conditions and values must match!" ) ? static_cast<void> (0) : __assert_fail ("CondRange.size() == ValRange.size() && \"Number of conditions and values must match!\"" , "/build/llvm-toolchain-snapshot-12~++20210114111115+2b1e25befefc/llvm/lib/TableGen/Record.cpp" , 1909, __PRETTY_FUNCTION__)) | |||
1909 | "Number of conditions and values must match!")((CondRange.size() == ValRange.size() && "Number of conditions and values must match!" ) ? static_cast<void> (0) : __assert_fail ("CondRange.size() == ValRange.size() && \"Number of conditions and values must match!\"" , "/build/llvm-toolchain-snapshot-12~++20210114111115+2b1e25befefc/llvm/lib/TableGen/Record.cpp" , 1909, __PRETTY_FUNCTION__)); | |||
1910 | ID.AddPointer(ValType); | |||
1911 | ArrayRef<Init *>::iterator Case = CondRange.begin(); | |||
1912 | ArrayRef<Init *>::iterator Val = ValRange.begin(); | |||
1913 | ||||
1914 | while (Case != CondRange.end()) { | |||
1915 | ID.AddPointer(*Case++); | |||
1916 | ID.AddPointer(*Val++); | |||
1917 | } | |||
1918 | } | |||
1919 | ||||
1920 | void CondOpInit::Profile(FoldingSetNodeID &ID) const { | |||
1921 | ProfileCondOpInit(ID, | |||
1922 | makeArrayRef(getTrailingObjects<Init *>(), NumConds), | |||
1923 | makeArrayRef(getTrailingObjects<Init *>() + NumConds, NumConds), | |||
1924 | ValType); | |||
1925 | } | |||
1926 | ||||
1927 | CondOpInit * | |||
1928 | CondOpInit::get(ArrayRef<Init *> CondRange, | |||
1929 | ArrayRef<Init *> ValRange, RecTy *Ty) { | |||
1930 | assert(CondRange.size() == ValRange.size() &&((CondRange.size() == ValRange.size() && "Number of conditions and values must match!" ) ? static_cast<void> (0) : __assert_fail ("CondRange.size() == ValRange.size() && \"Number of conditions and values must match!\"" , "/build/llvm-toolchain-snapshot-12~++20210114111115+2b1e25befefc/llvm/lib/TableGen/Record.cpp" , 1931, __PRETTY_FUNCTION__)) | |||
1931 | "Number of conditions and values must match!")((CondRange.size() == ValRange.size() && "Number of conditions and values must match!" ) ? static_cast<void> (0) : __assert_fail ("CondRange.size() == ValRange.size() && \"Number of conditions and values must match!\"" , "/build/llvm-toolchain-snapshot-12~++20210114111115+2b1e25befefc/llvm/lib/TableGen/Record.cpp" , 1931, __PRETTY_FUNCTION__)); | |||
1932 | ||||
1933 | static FoldingSet<CondOpInit> ThePool; | |||
1934 | FoldingSetNodeID ID; | |||
1935 | ProfileCondOpInit(ID, CondRange, ValRange, Ty); | |||
1936 | ||||
1937 | void *IP = nullptr; | |||
1938 | if (CondOpInit *I = ThePool.FindNodeOrInsertPos(ID, IP)) | |||
1939 | return I; | |||
1940 | ||||
1941 | void *Mem = Allocator.Allocate(totalSizeToAlloc<Init *>(2*CondRange.size()), | |||
1942 | alignof(BitsInit)); | |||
1943 | CondOpInit *I = new(Mem) CondOpInit(CondRange.size(), Ty); | |||
1944 | ||||
1945 | std::uninitialized_copy(CondRange.begin(), CondRange.end(), | |||
1946 | I->getTrailingObjects<Init *>()); | |||
1947 | std::uninitialized_copy(ValRange.begin(), ValRange.end(), | |||
1948 | I->getTrailingObjects<Init *>()+CondRange.size()); | |||
1949 | ThePool.InsertNode(I, IP); | |||
1950 | return I; | |||
1951 | } | |||
1952 | ||||
1953 | Init *CondOpInit::resolveReferences(Resolver &R) const { | |||
1954 | SmallVector<Init*, 4> NewConds; | |||
1955 | bool Changed = false; | |||
1956 | for (const Init *Case : getConds()) { | |||
1957 | Init *NewCase = Case->resolveReferences(R); | |||
1958 | NewConds.push_back(NewCase); | |||
1959 | Changed |= NewCase != Case; | |||
1960 | } | |||
1961 | ||||
1962 | SmallVector<Init*, 4> NewVals; | |||
1963 | for (const Init *Val : getVals()) { | |||
1964 | Init *NewVal = Val->resolveReferences(R); | |||
1965 | NewVals.push_back(NewVal); | |||
1966 | Changed |= NewVal != Val; | |||
1967 | } | |||
1968 | ||||
1969 | if (Changed) | |||
1970 | return (CondOpInit::get(NewConds, NewVals, | |||
1971 | getValType()))->Fold(R.getCurrentRecord()); | |||
1972 | ||||
1973 | return const_cast<CondOpInit *>(this); | |||
1974 | } | |||
1975 | ||||
1976 | Init *CondOpInit::Fold(Record *CurRec) const { | |||
1977 | for ( unsigned i = 0; i < NumConds; ++i) { | |||
1978 | Init *Cond = getCond(i); | |||
1979 | Init *Val = getVal(i); | |||
1980 | ||||
1981 | if (IntInit *CondI = dyn_cast_or_null<IntInit>( | |||
1982 | Cond->convertInitializerTo(IntRecTy::get()))) { | |||
1983 | if (CondI->getValue()) | |||
1984 | return Val->convertInitializerTo(getValType()); | |||
1985 | } else | |||
1986 | return const_cast<CondOpInit *>(this); | |||
1987 | } | |||
1988 | ||||
1989 | PrintFatalError(CurRec->getLoc(), | |||
1990 | CurRec->getName() + | |||
1991 | " does not have any true condition in:" + | |||
1992 | this->getAsString()); | |||
1993 | return nullptr; | |||
1994 | } | |||
1995 | ||||
1996 | bool CondOpInit::isConcrete() const { | |||
1997 | for (const Init *Case : getConds()) | |||
1998 | if (!Case->isConcrete()) | |||
1999 | return false; | |||
2000 | ||||
2001 | for (const Init *Val : getVals()) | |||
2002 | if (!Val->isConcrete()) | |||
2003 | return false; | |||
2004 | ||||
2005 | return true; | |||
2006 | } | |||
2007 | ||||
2008 | bool CondOpInit::isComplete() const { | |||
2009 | for (const Init *Case : getConds()) | |||
2010 | if (!Case->isComplete()) | |||
2011 | return false; | |||
2012 | ||||
2013 | for (const Init *Val : getVals()) | |||
2014 | if (!Val->isConcrete()) | |||
2015 | return false; | |||
2016 | ||||
2017 | return true; | |||
2018 | } | |||
2019 | ||||
2020 | std::string CondOpInit::getAsString() const { | |||
2021 | std::string Result = "!cond("; | |||
2022 | for (unsigned i = 0; i < getNumConds(); i++) { | |||
2023 | Result += getCond(i)->getAsString() + ": "; | |||
2024 | Result += getVal(i)->getAsString(); | |||
2025 | if (i != getNumConds()-1) | |||
2026 | Result += ", "; | |||
2027 | } | |||
2028 | return Result + ")"; | |||
2029 | } | |||
2030 | ||||
2031 | Init *CondOpInit::getBit(unsigned Bit) const { | |||
2032 | return VarBitInit::get(const_cast<CondOpInit *>(this), Bit); | |||
2033 | } | |||
2034 | ||||
2035 | static void ProfileDagInit(FoldingSetNodeID &ID, Init *V, StringInit *VN, | |||
2036 | ArrayRef<Init *> ArgRange, | |||
2037 | ArrayRef<StringInit *> NameRange) { | |||
2038 | ID.AddPointer(V); | |||
2039 | ID.AddPointer(VN); | |||
2040 | ||||
2041 | ArrayRef<Init *>::iterator Arg = ArgRange.begin(); | |||
2042 | ArrayRef<StringInit *>::iterator Name = NameRange.begin(); | |||
2043 | while (Arg != ArgRange.end()) { | |||
2044 | assert(Name != NameRange.end() && "Arg name underflow!")((Name != NameRange.end() && "Arg name underflow!") ? static_cast<void> (0) : __assert_fail ("Name != NameRange.end() && \"Arg name underflow!\"" , "/build/llvm-toolchain-snapshot-12~++20210114111115+2b1e25befefc/llvm/lib/TableGen/Record.cpp" , 2044, __PRETTY_FUNCTION__)); | |||
2045 | ID.AddPointer(*Arg++); | |||
2046 | ID.AddPointer(*Name++); | |||
2047 | } | |||
2048 | assert(Name == NameRange.end() && "Arg name overflow!")((Name == NameRange.end() && "Arg name overflow!") ? static_cast <void> (0) : __assert_fail ("Name == NameRange.end() && \"Arg name overflow!\"" , "/build/llvm-toolchain-snapshot-12~++20210114111115+2b1e25befefc/llvm/lib/TableGen/Record.cpp" , 2048, __PRETTY_FUNCTION__)); | |||
2049 | } | |||
2050 | ||||
2051 | DagInit * | |||
2052 | DagInit::get(Init *V, StringInit *VN, ArrayRef<Init *> ArgRange, | |||
2053 | ArrayRef<StringInit *> NameRange) { | |||
2054 | static FoldingSet<DagInit> ThePool; | |||
2055 | ||||
2056 | FoldingSetNodeID ID; | |||
2057 | ProfileDagInit(ID, V, VN, ArgRange, NameRange); | |||
2058 | ||||
2059 | void *IP = nullptr; | |||
2060 | if (DagInit *I = ThePool.FindNodeOrInsertPos(ID, IP)) | |||
2061 | return I; | |||
2062 | ||||
2063 | void *Mem = Allocator.Allocate(totalSizeToAlloc<Init *, StringInit *>(ArgRange.size(), NameRange.size()), alignof(BitsInit)); | |||
2064 | DagInit *I = new(Mem) DagInit(V, VN, ArgRange.size(), NameRange.size()); | |||
2065 | std::uninitialized_copy(ArgRange.begin(), ArgRange.end(), | |||
2066 | I->getTrailingObjects<Init *>()); | |||
2067 | std::uninitialized_copy(NameRange.begin(), NameRange.end(), | |||
2068 | I->getTrailingObjects<StringInit *>()); | |||
2069 | ThePool.InsertNode(I, IP); | |||
2070 | return I; | |||
2071 | } | |||
2072 | ||||
2073 | DagInit * | |||
2074 | DagInit::get(Init *V, StringInit *VN, | |||
2075 | ArrayRef<std::pair<Init*, StringInit*>> args) { | |||
2076 | SmallVector<Init *, 8> Args; | |||
2077 | SmallVector<StringInit *, 8> Names; | |||
2078 | ||||
2079 | for (const auto &Arg : args) { | |||
2080 | Args.push_back(Arg.first); | |||
2081 | Names.push_back(Arg.second); | |||
2082 | } | |||
2083 | ||||
2084 | return DagInit::get(V, VN, Args, Names); | |||
2085 | } | |||
2086 | ||||
2087 | void DagInit::Profile(FoldingSetNodeID &ID) const { | |||
2088 | ProfileDagInit(ID, Val, ValName, makeArrayRef(getTrailingObjects<Init *>(), NumArgs), makeArrayRef(getTrailingObjects<StringInit *>(), NumArgNames)); | |||
2089 | } | |||
2090 | ||||
2091 | Record *DagInit::getOperatorAsDef(ArrayRef<SMLoc> Loc) const { | |||
2092 | if (DefInit *DefI = dyn_cast<DefInit>(Val)) | |||
2093 | return DefI->getDef(); | |||
2094 | PrintFatalError(Loc, "Expected record as operator"); | |||
2095 | return nullptr; | |||
2096 | } | |||
2097 | ||||
2098 | Init *DagInit::resolveReferences(Resolver &R) const { | |||
2099 | SmallVector<Init*, 8> NewArgs; | |||
2100 | NewArgs.reserve(arg_size()); | |||
2101 | bool ArgsChanged = false; | |||
2102 | for (const Init *Arg : getArgs()) { | |||
2103 | Init *NewArg = Arg->resolveReferences(R); | |||
2104 | NewArgs.push_back(NewArg); | |||
2105 | ArgsChanged |= NewArg != Arg; | |||
2106 | } | |||
2107 | ||||
2108 | Init *Op = Val->resolveReferences(R); | |||
2109 | if (Op != Val || ArgsChanged) | |||
2110 | return DagInit::get(Op, ValName, NewArgs, getArgNames()); | |||
2111 | ||||
2112 | return const_cast<DagInit *>(this); | |||
2113 | } | |||
2114 | ||||
2115 | bool DagInit::isConcrete() const { | |||
2116 | if (!Val->isConcrete()) | |||
2117 | return false; | |||
2118 | for (const Init *Elt : getArgs()) { | |||
2119 | if (!Elt->isConcrete()) | |||
2120 | return false; | |||
2121 | } | |||
2122 | return true; | |||
2123 | } | |||
2124 | ||||
2125 | std::string DagInit::getAsString() const { | |||
2126 | std::string Result = "(" + Val->getAsString(); | |||
2127 | if (ValName) | |||
2128 | Result += ":" + ValName->getAsUnquotedString(); | |||
2129 | if (!arg_empty()) { | |||
2130 | Result += " " + getArg(0)->getAsString(); | |||
2131 | if (getArgName(0)) Result += ":$" + getArgName(0)->getAsUnquotedString(); | |||
2132 | for (unsigned i = 1, e = getNumArgs(); i != e; ++i) { | |||
2133 | Result += ", " + getArg(i)->getAsString(); | |||
2134 | if (getArgName(i)) Result += ":$" + getArgName(i)->getAsUnquotedString(); | |||
2135 | } | |||
2136 | } | |||
2137 | return Result + ")"; | |||
2138 | } | |||
2139 | ||||
2140 | //===----------------------------------------------------------------------===// | |||
2141 | // Other implementations | |||
2142 | //===----------------------------------------------------------------------===// | |||
2143 | ||||
2144 | RecordVal::RecordVal(Init *N, RecTy *T, FieldKind K) | |||
2145 | : Name(N), TyAndKind(T, K) { | |||
2146 | setValue(UnsetInit::get()); | |||
2147 | assert(Value && "Cannot create unset value for current type!")((Value && "Cannot create unset value for current type!" ) ? static_cast<void> (0) : __assert_fail ("Value && \"Cannot create unset value for current type!\"" , "/build/llvm-toolchain-snapshot-12~++20210114111115+2b1e25befefc/llvm/lib/TableGen/Record.cpp" , 2147, __PRETTY_FUNCTION__)); | |||
2148 | } | |||
2149 | ||||
2150 | // This constructor accepts the same arguments as the above, but also | |||
2151 | // a source location. | |||
2152 | RecordVal::RecordVal(Init *N, SMLoc Loc, RecTy *T, FieldKind K) | |||
2153 | : Name(N), Loc(Loc), TyAndKind(T, K) { | |||
2154 | setValue(UnsetInit::get()); | |||
2155 | assert(Value && "Cannot create unset value for current type!")((Value && "Cannot create unset value for current type!" ) ? static_cast<void> (0) : __assert_fail ("Value && \"Cannot create unset value for current type!\"" , "/build/llvm-toolchain-snapshot-12~++20210114111115+2b1e25befefc/llvm/lib/TableGen/Record.cpp" , 2155, __PRETTY_FUNCTION__)); | |||
2156 | } | |||
2157 | ||||
2158 | StringRef RecordVal::getName() const { | |||
2159 | return cast<StringInit>(getNameInit())->getValue(); | |||
2160 | } | |||
2161 | ||||
2162 | std::string RecordVal::getPrintType() const { | |||
2163 | if (getType() == StringRecTy::get()) { | |||
2164 | if (auto *StrInit = dyn_cast<StringInit>(Value)) { | |||
2165 | if (StrInit->hasCodeFormat()) | |||
2166 | return "code"; | |||
2167 | else | |||
2168 | return "string"; | |||
2169 | } else { | |||
2170 | return "string"; | |||
2171 | } | |||
2172 | } else { | |||
2173 | return TyAndKind.getPointer()->getAsString(); | |||
2174 | } | |||
2175 | } | |||
2176 | ||||
2177 | bool RecordVal::setValue(Init *V) { | |||
2178 | if (V) { | |||
2179 | Value = V->getCastTo(getType()); | |||
2180 | if (Value) { | |||
2181 | assert(!isa<TypedInit>(Value) ||((!isa<TypedInit>(Value) || cast<TypedInit>(Value )->getType()->typeIsA(getType())) ? static_cast<void > (0) : __assert_fail ("!isa<TypedInit>(Value) || cast<TypedInit>(Value)->getType()->typeIsA(getType())" , "/build/llvm-toolchain-snapshot-12~++20210114111115+2b1e25befefc/llvm/lib/TableGen/Record.cpp" , 2182, __PRETTY_FUNCTION__)) | |||
2182 | cast<TypedInit>(Value)->getType()->typeIsA(getType()))((!isa<TypedInit>(Value) || cast<TypedInit>(Value )->getType()->typeIsA(getType())) ? static_cast<void > (0) : __assert_fail ("!isa<TypedInit>(Value) || cast<TypedInit>(Value)->getType()->typeIsA(getType())" , "/build/llvm-toolchain-snapshot-12~++20210114111115+2b1e25befefc/llvm/lib/TableGen/Record.cpp" , 2182, __PRETTY_FUNCTION__)); | |||
2183 | if (BitsRecTy *BTy = dyn_cast<BitsRecTy>(getType())) { | |||
2184 | if (!isa<BitsInit>(Value)) { | |||
2185 | SmallVector<Init *, 64> Bits; | |||
2186 | Bits.reserve(BTy->getNumBits()); | |||
2187 | for (unsigned I = 0, E = BTy->getNumBits(); I < E; ++I) | |||
2188 | Bits.push_back(Value->getBit(I)); | |||
2189 | Value = BitsInit::get(Bits); | |||
2190 | } | |||
2191 | } | |||
2192 | } | |||
2193 | return Value == nullptr; | |||
2194 | } | |||
2195 | Value = nullptr; | |||
2196 | return false; | |||
2197 | } | |||
2198 | ||||
2199 | // This version of setValue takes a source location and resets the | |||
2200 | // location in the RecordVal. | |||
2201 | bool RecordVal::setValue(Init *V, SMLoc NewLoc) { | |||
2202 | Loc = NewLoc; | |||
2203 | if (V) { | |||
2204 | Value = V->getCastTo(getType()); | |||
2205 | if (Value) { | |||
2206 | assert(!isa<TypedInit>(Value) ||((!isa<TypedInit>(Value) || cast<TypedInit>(Value )->getType()->typeIsA(getType())) ? static_cast<void > (0) : __assert_fail ("!isa<TypedInit>(Value) || cast<TypedInit>(Value)->getType()->typeIsA(getType())" , "/build/llvm-toolchain-snapshot-12~++20210114111115+2b1e25befefc/llvm/lib/TableGen/Record.cpp" , 2207, __PRETTY_FUNCTION__)) | |||
2207 | cast<TypedInit>(Value)->getType()->typeIsA(getType()))((!isa<TypedInit>(Value) || cast<TypedInit>(Value )->getType()->typeIsA(getType())) ? static_cast<void > (0) : __assert_fail ("!isa<TypedInit>(Value) || cast<TypedInit>(Value)->getType()->typeIsA(getType())" , "/build/llvm-toolchain-snapshot-12~++20210114111115+2b1e25befefc/llvm/lib/TableGen/Record.cpp" , 2207, __PRETTY_FUNCTION__)); | |||
2208 | if (BitsRecTy *BTy = dyn_cast<BitsRecTy>(getType())) { | |||
2209 | if (!isa<BitsInit>(Value)) { | |||
2210 | SmallVector<Init *, 64> Bits; | |||
2211 | Bits.reserve(BTy->getNumBits()); | |||
2212 | for (unsigned I = 0, E = BTy->getNumBits(); I < E; ++I) | |||
2213 | Bits.push_back(Value->getBit(I)); | |||
2214 | Value = BitsInit::get(Bits); | |||
2215 | } | |||
2216 | } | |||
2217 | } | |||
2218 | return Value == nullptr; | |||
2219 | } | |||
2220 | Value = nullptr; | |||
2221 | return false; | |||
2222 | } | |||
2223 | ||||
2224 | #include "llvm/TableGen/Record.h" | |||
2225 | #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) | |||
2226 | LLVM_DUMP_METHOD__attribute__((noinline)) __attribute__((__used__)) void RecordVal::dump() const { errs() << *this; } | |||
2227 | #endif | |||
2228 | ||||
2229 | void RecordVal::print(raw_ostream &OS, bool PrintSem) const { | |||
2230 | if (isNonconcreteOK()) OS << "field "; | |||
2231 | OS << getPrintType() << " " << getNameInitAsString(); | |||
2232 | ||||
2233 | if (getValue()) | |||
2234 | OS << " = " << *getValue(); | |||
2235 | ||||
2236 | if (PrintSem) OS << ";\n"; | |||
2237 | } | |||
2238 | ||||
2239 | unsigned Record::LastID = 0; | |||
2240 | ||||
2241 | void Record::checkName() { | |||
2242 | // Ensure the record name has string type. | |||
2243 | const TypedInit *TypedName = cast<const TypedInit>(Name); | |||
2244 | if (!isa<StringRecTy>(TypedName->getType())) | |||
2245 | PrintFatalError(getLoc(), Twine("Record name '") + Name->getAsString() + | |||
2246 | "' is not a string!"); | |||
2247 | } | |||
2248 | ||||
2249 | RecordRecTy *Record::getType() { | |||
2250 | SmallVector<Record *, 4> DirectSCs; | |||
2251 | getDirectSuperClasses(DirectSCs); | |||
2252 | return RecordRecTy::get(DirectSCs); | |||
2253 | } | |||
2254 | ||||
2255 | DefInit *Record::getDefInit() { | |||
2256 | if (!CorrespondingDefInit) | |||
2257 | CorrespondingDefInit = new (Allocator) DefInit(this); | |||
2258 | return CorrespondingDefInit; | |||
2259 | } | |||
2260 | ||||
2261 | void Record::setName(Init *NewName) { | |||
2262 | Name = NewName; | |||
2263 | checkName(); | |||
2264 | // DO NOT resolve record values to the name at this point because | |||
2265 | // there might be default values for arguments of this def. Those | |||
2266 | // arguments might not have been resolved yet so we don't want to | |||
2267 | // prematurely assume values for those arguments were not passed to | |||
2268 | // this def. | |||
2269 | // | |||
2270 | // Nonetheless, it may be that some of this Record's values | |||
2271 | // reference the record name. Indeed, the reason for having the | |||
2272 | // record name be an Init is to provide this flexibility. The extra | |||
2273 | // resolve steps after completely instantiating defs takes care of | |||
2274 | // this. See TGParser::ParseDef and TGParser::ParseDefm. | |||
2275 | } | |||
2276 | ||||
2277 | // NOTE for the next two functions: | |||
2278 | // Superclasses are in post-order, so the final one is a direct | |||
2279 | // superclass. All of its transitive superclases immediately precede it, | |||
2280 | // so we can step through the direct superclasses in reverse order. | |||
2281 | ||||
2282 | bool Record::hasDirectSuperClass(const Record *Superclass) const { | |||
2283 | ArrayRef<std::pair<Record *, SMRange>> SCs = getSuperClasses(); | |||
2284 | ||||
2285 | for (int I = SCs.size() - 1; I >= 0; --I) { | |||
2286 | const Record *SC = SCs[I].first; | |||
2287 | if (SC == Superclass) | |||
2288 | return true; | |||
2289 | I -= SC->getSuperClasses().size(); | |||
2290 | } | |||
2291 | ||||
2292 | return false; | |||
2293 | } | |||
2294 | ||||
2295 | void Record::getDirectSuperClasses(SmallVectorImpl<Record *> &Classes) const { | |||
2296 | ArrayRef<std::pair<Record *, SMRange>> SCs = getSuperClasses(); | |||
2297 | ||||
2298 | while (!SCs.empty()) { | |||
2299 | Record *SC = SCs.back().first; | |||
2300 | SCs = SCs.drop_back(1 + SC->getSuperClasses().size()); | |||
2301 | Classes.push_back(SC); | |||
2302 | } | |||
2303 | } | |||
2304 | ||||
2305 | void Record::resolveReferences(Resolver &R, const RecordVal *SkipVal) { | |||
2306 | for (RecordVal &Value : Values) { | |||
2307 | if (SkipVal == &Value) // Skip resolve the same field as the given one | |||
2308 | continue; | |||
2309 | if (Init *V = Value.getValue()) { | |||
2310 | Init *VR = V->resolveReferences(R); | |||
2311 | if (Value.setValue(VR)) { | |||
2312 | std::string Type; | |||
2313 | if (TypedInit *VRT = dyn_cast<TypedInit>(VR)) | |||
2314 | Type = | |||
2315 | (Twine("of type '") + VRT->getType()->getAsString() + "' ").str(); | |||
2316 | PrintFatalError(getLoc(), Twine("Invalid value ") + Type + | |||
2317 | "is found when setting '" + | |||
2318 | Value.getNameInitAsString() + | |||
2319 | "' of type '" + | |||
2320 | Value.getType()->getAsString() + | |||
2321 | "' after resolving references: " + | |||
2322 | VR->getAsUnquotedString() + "\n"); | |||
2323 | } | |||
2324 | } | |||
2325 | } | |||
2326 | Init *OldName = getNameInit(); | |||
2327 | Init *NewName = Name->resolveReferences(R); | |||
2328 | if (NewName != OldName) { | |||
2329 | // Re-register with RecordKeeper. | |||
2330 | setName(NewName); | |||
2331 | } | |||
2332 | } | |||
2333 | ||||
2334 | void Record::resolveReferences() { | |||
2335 | RecordResolver R(*this); | |||
2336 | R.setFinal(true); | |||
2337 | resolveReferences(R); | |||
2338 | } | |||
2339 | ||||
2340 | #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) | |||
2341 | LLVM_DUMP_METHOD__attribute__((noinline)) __attribute__((__used__)) void Record::dump() const { errs() << *this; } | |||
2342 | #endif | |||
2343 | ||||
2344 | raw_ostream &llvm::operator<<(raw_ostream &OS, const Record &R) { | |||
2345 | OS << R.getNameInitAsString(); | |||
2346 | ||||
2347 | ArrayRef<Init *> TArgs = R.getTemplateArgs(); | |||
2348 | if (!TArgs.empty()) { | |||
2349 | OS << "<"; | |||
2350 | bool NeedComma = false; | |||
2351 | for (const Init *TA : TArgs) { | |||
2352 | if (NeedComma) OS << ", "; | |||
2353 | NeedComma = true; | |||
2354 | const RecordVal *RV = R.getValue(TA); | |||
2355 | assert(RV && "Template argument record not found??")((RV && "Template argument record not found??") ? static_cast <void> (0) : __assert_fail ("RV && \"Template argument record not found??\"" , "/build/llvm-toolchain-snapshot-12~++20210114111115+2b1e25befefc/llvm/lib/TableGen/Record.cpp" , 2355, __PRETTY_FUNCTION__)); | |||
2356 | RV->print(OS, false); | |||
2357 | } | |||
2358 | OS << ">"; | |||
2359 | } | |||
2360 | ||||
2361 | OS << " {"; | |||
2362 | ArrayRef<std::pair<Record *, SMRange>> SC = R.getSuperClasses(); | |||
2363 | if (!SC.empty()) { | |||
2364 | OS << "\t//"; | |||
2365 | for (const auto &SuperPair : SC) | |||
2366 | OS << " " << SuperPair.first->getNameInitAsString(); | |||
2367 | } | |||
2368 | OS << "\n"; | |||
2369 | ||||
2370 | for (const RecordVal &Val : R.getValues()) | |||
2371 | if (Val.isNonconcreteOK() && !R.isTemplateArg(Val.getNameInit())) | |||
2372 | OS << Val; | |||
2373 | for (const RecordVal &Val : R.getValues()) | |||
2374 | if (!Val.isNonconcreteOK() && !R.isTemplateArg(Val.getNameInit())) | |||
2375 | OS << Val; | |||
2376 | ||||
2377 | return OS << "}\n"; | |||
2378 | } | |||
2379 | ||||
2380 | SMLoc Record::getFieldLoc(StringRef FieldName) const { | |||
2381 | const RecordVal *R = getValue(FieldName); | |||
2382 | if (!R) | |||
2383 | PrintFatalError(getLoc(), "Record `" + getName() + | |||
2384 | "' does not have a field named `" + FieldName + "'!\n"); | |||
2385 | return R->getLoc(); | |||
2386 | } | |||
2387 | ||||
2388 | Init *Record::getValueInit(StringRef FieldName) const { | |||
2389 | const RecordVal *R = getValue(FieldName); | |||
2390 | if (!R || !R->getValue()) | |||
2391 | PrintFatalError(getLoc(), "Record `" + getName() + | |||
2392 | "' does not have a field named `" + FieldName + "'!\n"); | |||
2393 | return R->getValue(); | |||
2394 | } | |||
2395 | ||||
2396 | StringRef Record::getValueAsString(StringRef FieldName) const { | |||
2397 | llvm::Optional<StringRef> S = getValueAsOptionalString(FieldName); | |||
2398 | if (!S.hasValue()) | |||
2399 | PrintFatalError(getLoc(), "Record `" + getName() + | |||
2400 | "' does not have a field named `" + FieldName + "'!\n"); | |||
2401 | return S.getValue(); | |||
2402 | } | |||
2403 | ||||
2404 | llvm::Optional<StringRef> | |||
2405 | Record::getValueAsOptionalString(StringRef FieldName) const { | |||
2406 | const RecordVal *R = getValue(FieldName); | |||
2407 | if (!R || !R->getValue()) | |||
2408 | return llvm::Optional<StringRef>(); | |||
2409 | if (isa<UnsetInit>(R->getValue())) | |||
2410 | return llvm::Optional<StringRef>(); | |||
2411 | ||||
2412 | if (StringInit *SI = dyn_cast<StringInit>(R->getValue())) | |||
2413 | return SI->getValue(); | |||
2414 | ||||
2415 | PrintFatalError(getLoc(), | |||
2416 | "Record `" + getName() + "', ` field `" + FieldName + | |||
2417 | "' exists but does not have a string initializer!"); | |||
2418 | } | |||
2419 | ||||
2420 | BitsInit *Record::getValueAsBitsInit(StringRef FieldName) const { | |||
2421 | const RecordVal *R = getValue(FieldName); | |||
2422 | if (!R || !R->getValue()) | |||
2423 | PrintFatalError(getLoc(), "Record `" + getName() + | |||
2424 | "' does not have a field named `" + FieldName + "'!\n"); | |||
2425 | ||||
2426 | if (BitsInit *BI = dyn_cast<BitsInit>(R->getValue())) | |||
2427 | return BI; | |||
2428 | PrintFatalError(getLoc(), "Record `" + getName() + "', field `" + FieldName + | |||
2429 | "' exists but does not have a bits value"); | |||
2430 | } | |||
2431 | ||||
2432 | ListInit *Record::getValueAsListInit(StringRef FieldName) const { | |||
2433 | const RecordVal *R = getValue(FieldName); | |||
2434 | if (!R || !R->getValue()) | |||
2435 | PrintFatalError(getLoc(), "Record `" + getName() + | |||
2436 | "' does not have a field named `" + FieldName + "'!\n"); | |||
2437 | ||||
2438 | if (ListInit *LI = dyn_cast<ListInit>(R->getValue())) | |||
2439 | return LI; | |||
2440 | PrintFatalError(getLoc(), "Record `" + getName() + "', field `" + FieldName + | |||
2441 | "' exists but does not have a list value"); | |||
2442 | } | |||
2443 | ||||
2444 | std::vector<Record*> | |||
2445 | Record::getValueAsListOfDefs(StringRef FieldName) const { | |||
2446 | ListInit *List = getValueAsListInit(FieldName); | |||
2447 | std::vector<Record*> Defs; | |||
2448 | for (Init *I : List->getValues()) { | |||
2449 | if (DefInit *DI = dyn_cast<DefInit>(I)) | |||
2450 | Defs.push_back(DI->getDef()); | |||
2451 | else | |||
2452 | PrintFatalError(getLoc(), "Record `" + getName() + "', field `" + | |||
2453 | FieldName + "' list is not entirely DefInit!"); | |||
2454 | } | |||
2455 | return Defs; | |||
2456 | } | |||
2457 | ||||
2458 | int64_t Record::getValueAsInt(StringRef FieldName) const { | |||
2459 | const RecordVal *R = getValue(FieldName); | |||
2460 | if (!R || !R->getValue()) | |||
2461 | PrintFatalError(getLoc(), "Record `" + getName() + | |||
2462 | "' does not have a field named `" + FieldName + "'!\n"); | |||
2463 | ||||
2464 | if (IntInit *II = dyn_cast<IntInit>(R->getValue())) | |||
2465 | return II->getValue(); | |||
2466 | PrintFatalError(getLoc(), Twine("Record `") + getName() + "', field `" + | |||
2467 | FieldName + | |||
2468 | "' exists but does not have an int value: " + | |||
2469 | R->getValue()->getAsString()); | |||
2470 | } | |||
2471 | ||||
2472 | std::vector<int64_t> | |||
2473 | Record::getValueAsListOfInts(StringRef FieldName) const { | |||
2474 | ListInit *List = getValueAsListInit(FieldName); | |||
2475 | std::vector<int64_t> Ints; | |||
2476 | for (Init *I : List->getValues()) { | |||
2477 | if (IntInit *II = dyn_cast<IntInit>(I)) | |||
2478 | Ints.push_back(II->getValue()); | |||
2479 | else | |||
2480 | PrintFatalError(getLoc(), | |||
2481 | Twine("Record `") + getName() + "', field `" + FieldName + | |||
2482 | "' exists but does not have a list of ints value: " + | |||
2483 | I->getAsString()); | |||
2484 | } | |||
2485 | return Ints; | |||
2486 | } | |||
2487 | ||||
2488 | std::vector<StringRef> | |||
2489 | Record::getValueAsListOfStrings(StringRef FieldName) const { | |||
2490 | ListInit *List = getValueAsListInit(FieldName); | |||
2491 | std::vector<StringRef> Strings; | |||
2492 | for (Init *I : List->getValues()) { | |||
2493 | if (StringInit *SI = dyn_cast<StringInit>(I)) | |||
2494 | Strings.push_back(SI->getValue()); | |||
2495 | else | |||
2496 | PrintFatalError(getLoc(), | |||
2497 | Twine("Record `") + getName() + "', field `" + FieldName + | |||
2498 | "' exists but does not have a list of strings value: " + | |||
2499 | I->getAsString()); | |||
2500 | } | |||
2501 | return Strings; | |||
2502 | } | |||
2503 | ||||
2504 | Record *Record::getValueAsDef(StringRef FieldName) const { | |||
2505 | const RecordVal *R = getValue(FieldName); | |||
2506 | if (!R || !R->getValue()) | |||
2507 | PrintFatalError(getLoc(), "Record `" + getName() + | |||
2508 | "' does not have a field named `" + FieldName + "'!\n"); | |||
2509 | ||||
2510 | if (DefInit *DI = dyn_cast<DefInit>(R->getValue())) | |||
2511 | return DI->getDef(); | |||
2512 | PrintFatalError(getLoc(), "Record `" + getName() + "', field `" + | |||
2513 | FieldName + "' does not have a def initializer!"); | |||
2514 | } | |||
2515 | ||||
2516 | Record *Record::getValueAsOptionalDef(StringRef FieldName) const { | |||
2517 | const RecordVal *R = getValue(FieldName); | |||
2518 | if (!R || !R->getValue()) | |||
2519 | PrintFatalError(getLoc(), "Record `" + getName() + | |||
2520 | "' does not have a field named `" + FieldName + "'!\n"); | |||
2521 | ||||
2522 | if (DefInit *DI = dyn_cast<DefInit>(R->getValue())) | |||
2523 | return DI->getDef(); | |||
2524 | if (isa<UnsetInit>(R->getValue())) | |||
2525 | return nullptr; | |||
2526 | PrintFatalError(getLoc(), "Record `" + getName() + "', field `" + | |||
2527 | FieldName + "' does not have either a def initializer or '?'!"); | |||
2528 | } | |||
2529 | ||||
2530 | ||||
2531 | bool Record::getValueAsBit(StringRef FieldName) const { | |||
2532 | const RecordVal *R = getValue(FieldName); | |||
2533 | if (!R || !R->getValue()) | |||
2534 | PrintFatalError(getLoc(), "Record `" + getName() + | |||
2535 | "' does not have a field named `" + FieldName + "'!\n"); | |||
2536 | ||||
2537 | if (BitInit *BI = dyn_cast<BitInit>(R->getValue())) | |||
2538 | return BI->getValue(); | |||
2539 | PrintFatalError(getLoc(), "Record `" + getName() + "', field `" + | |||
2540 | FieldName + "' does not have a bit initializer!"); | |||
2541 | } | |||
2542 | ||||
2543 | bool Record::getValueAsBitOrUnset(StringRef FieldName, bool &Unset) const { | |||
2544 | const RecordVal *R = getValue(FieldName); | |||
2545 | if (!R || !R->getValue()) | |||
2546 | PrintFatalError(getLoc(), "Record `" + getName() + | |||
2547 | "' does not have a field named `" + FieldName.str() + "'!\n"); | |||
2548 | ||||
2549 | if (isa<UnsetInit>(R->getValue())) { | |||
2550 | Unset = true; | |||
2551 | return false; | |||
2552 | } | |||
2553 | Unset = false; | |||
2554 | if (BitInit *BI = dyn_cast<BitInit>(R->getValue())) | |||
2555 | return BI->getValue(); | |||
2556 | PrintFatalError(getLoc(), "Record `" + getName() + "', field `" + | |||
2557 | FieldName + "' does not have a bit initializer!"); | |||
2558 | } | |||
2559 | ||||
2560 | DagInit *Record::getValueAsDag(StringRef FieldName) const { | |||
2561 | const RecordVal *R = getValue(FieldName); | |||
2562 | if (!R || !R->getValue()) | |||
2563 | PrintFatalError(getLoc(), "Record `" + getName() + | |||
2564 | "' does not have a field named `" + FieldName + "'!\n"); | |||
2565 | ||||
2566 | if (DagInit *DI = dyn_cast<DagInit>(R->getValue())) | |||
2567 | return DI; | |||
2568 | PrintFatalError(getLoc(), "Record `" + getName() + "', field `" + | |||
2569 | FieldName + "' does not have a dag initializer!"); | |||
2570 | } | |||
2571 | ||||
2572 | #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) | |||
2573 | LLVM_DUMP_METHOD__attribute__((noinline)) __attribute__((__used__)) void RecordKeeper::dump() const { errs() << *this; } | |||
2574 | #endif | |||
2575 | ||||
2576 | raw_ostream &llvm::operator<<(raw_ostream &OS, const RecordKeeper &RK) { | |||
2577 | OS << "------------- Classes -----------------\n"; | |||
2578 | for (const auto &C : RK.getClasses()) | |||
2579 | OS << "class " << *C.second; | |||
2580 | ||||
2581 | OS << "------------- Defs -----------------\n"; | |||
2582 | for (const auto &D : RK.getDefs()) | |||
2583 | OS << "def " << *D.second; | |||
2584 | return OS; | |||
2585 | } | |||
2586 | ||||
2587 | /// GetNewAnonymousName - Generate a unique anonymous name that can be used as | |||
2588 | /// an identifier. | |||
2589 | Init *RecordKeeper::getNewAnonymousName() { | |||
2590 | return StringInit::get("anonymous_" + utostr(AnonCounter++)); | |||
2591 | } | |||
2592 | ||||
2593 | // These functions implement the phase timing facility. Starting a timer | |||
2594 | // when one is already running stops the running one. | |||
2595 | ||||
2596 | void RecordKeeper::startTimer(StringRef Name) { | |||
2597 | if (TimingGroup) { | |||
2598 | if (LastTimer && LastTimer->isRunning()) { | |||
2599 | LastTimer->stopTimer(); | |||
2600 | if (BackendTimer) { | |||
2601 | LastTimer->clear(); | |||
2602 | BackendTimer = false; | |||
2603 | } | |||
2604 | } | |||
2605 | ||||
2606 | LastTimer = new Timer("", Name, *TimingGroup); | |||
2607 | LastTimer->startTimer(); | |||
2608 | } | |||
2609 | } | |||
2610 | ||||
2611 | void RecordKeeper::stopTimer() { | |||
2612 | if (TimingGroup) { | |||
2613 | assert(LastTimer && "No phase timer was started")((LastTimer && "No phase timer was started") ? static_cast <void> (0) : __assert_fail ("LastTimer && \"No phase timer was started\"" , "/build/llvm-toolchain-snapshot-12~++20210114111115+2b1e25befefc/llvm/lib/TableGen/Record.cpp" , 2613, __PRETTY_FUNCTION__)); | |||
2614 | LastTimer->stopTimer(); | |||
2615 | } | |||
2616 | } | |||
2617 | ||||
2618 | void RecordKeeper::startBackendTimer(StringRef Name) { | |||
2619 | if (TimingGroup) { | |||
2620 | startTimer(Name); | |||
2621 | BackendTimer = true; | |||
2622 | } | |||
2623 | } | |||
2624 | ||||
2625 | void RecordKeeper::stopBackendTimer() { | |||
2626 | if (TimingGroup) { | |||
2627 | if (BackendTimer) { | |||
2628 | stopTimer(); | |||
2629 | BackendTimer = false; | |||
2630 | } | |||
2631 | } | |||
2632 | } | |||
2633 | ||||
2634 | // We cache the record vectors for single classes. Many backends request | |||
2635 | // the same vectors multiple times. | |||
2636 | std::vector<Record *> RecordKeeper::getAllDerivedDefinitions( | |||
2637 | StringRef ClassName) const { | |||
2638 | ||||
2639 | auto Pair = ClassRecordsMap.try_emplace(ClassName); | |||
2640 | if (Pair.second) | |||
2641 | Pair.first->second = getAllDerivedDefinitions(makeArrayRef(ClassName)); | |||
2642 | ||||
2643 | return Pair.first->second; | |||
2644 | } | |||
2645 | ||||
2646 | std::vector<Record *> RecordKeeper::getAllDerivedDefinitions( | |||
2647 | ArrayRef<StringRef> ClassNames) const { | |||
2648 | SmallVector<Record *, 2> ClassRecs; | |||
2649 | std::vector<Record *> Defs; | |||
2650 | ||||
2651 | assert(ClassNames.size() > 0 && "At least one class must be passed.")((ClassNames.size() > 0 && "At least one class must be passed." ) ? static_cast<void> (0) : __assert_fail ("ClassNames.size() > 0 && \"At least one class must be passed.\"" , "/build/llvm-toolchain-snapshot-12~++20210114111115+2b1e25befefc/llvm/lib/TableGen/Record.cpp" , 2651, __PRETTY_FUNCTION__)); | |||
2652 | for (const auto &ClassName : ClassNames) { | |||
2653 | Record *Class = getClass(ClassName); | |||
2654 | if (!Class) | |||
2655 | PrintFatalError("The class '" + ClassName + "' is not defined\n"); | |||
2656 | ClassRecs.push_back(Class); | |||
2657 | } | |||
2658 | ||||
2659 | for (const auto &OneDef : getDefs()) { | |||
2660 | if (all_of(ClassRecs, [&OneDef](const Record *Class) { | |||
2661 | return OneDef.second->isSubClassOf(Class); | |||
2662 | })) | |||
2663 | Defs.push_back(OneDef.second.get()); | |||
2664 | } | |||
2665 | ||||
2666 | return Defs; | |||
2667 | } | |||
2668 | ||||
2669 | Init *MapResolver::resolve(Init *VarName) { | |||
2670 | auto It = Map.find(VarName); | |||
2671 | if (It == Map.end()) | |||
2672 | return nullptr; | |||
2673 | ||||
2674 | Init *I = It->second.V; | |||
2675 | ||||
2676 | if (!It->second.Resolved && Map.size() > 1) { | |||
2677 | // Resolve mutual references among the mapped variables, but prevent | |||
2678 | // infinite recursion. | |||
2679 | Map.erase(It); | |||
2680 | I = I->resolveReferences(*this); | |||
2681 | Map[VarName] = {I, true}; | |||
2682 | } | |||
2683 | ||||
2684 | return I; | |||
2685 | } | |||
2686 | ||||
2687 | Init *RecordResolver::resolve(Init *VarName) { | |||
2688 | Init *Val = Cache.lookup(VarName); | |||
2689 | if (Val) | |||
2690 | return Val; | |||
2691 | ||||
2692 | for (Init *S : Stack) { | |||
2693 | if (S == VarName) | |||
2694 | return nullptr; // prevent infinite recursion | |||
2695 | } | |||
2696 | ||||
2697 | if (RecordVal *RV = getCurrentRecord()->getValue(VarName)) { | |||
2698 | if (!isa<UnsetInit>(RV->getValue())) { | |||
2699 | Val = RV->getValue(); | |||
2700 | Stack.push_back(VarName); | |||
2701 | Val = Val->resolveReferences(*this); | |||
2702 | Stack.pop_back(); | |||
2703 | } | |||
2704 | } | |||
2705 | ||||
2706 | Cache[VarName] = Val; | |||
2707 | return Val; | |||
2708 | } | |||
2709 | ||||
2710 | Init *TrackUnresolvedResolver::resolve(Init *VarName) { | |||
2711 | Init *I = nullptr; | |||
2712 | ||||
2713 | if (R) { | |||
2714 | I = R->resolve(VarName); | |||
2715 | if (I && !FoundUnresolved) { | |||
2716 | // Do not recurse into the resolved initializer, as that would change | |||
2717 | // the behavior of the resolver we're delegating, but do check to see | |||
2718 | // if there are unresolved variables remaining. | |||
2719 | TrackUnresolvedResolver Sub; | |||
2720 | I->resolveReferences(Sub); | |||
2721 | FoundUnresolved |= Sub.FoundUnresolved; | |||
2722 | } | |||
2723 | } | |||
2724 | ||||
2725 | if (!I) | |||
2726 | FoundUnresolved = true; | |||
2727 | return I; | |||
2728 | } | |||
2729 | ||||
2730 | Init *HasReferenceResolver::resolve(Init *VarName) | |||
2731 | { | |||
2732 | if (VarName == VarNameToTrack) | |||
2733 | Found = true; | |||
2734 | return nullptr; | |||
2735 | } |