clang 18.0.0git
CGBuilder.h
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1//===-- CGBuilder.h - Choose IRBuilder implementation ----------*- C++ -*-===//
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#ifndef LLVM_CLANG_LIB_CODEGEN_CGBUILDER_H
10#define LLVM_CLANG_LIB_CODEGEN_CGBUILDER_H
11
12#include "Address.h"
13#include "CodeGenTypeCache.h"
14#include "llvm/IR/DataLayout.h"
15#include "llvm/IR/IRBuilder.h"
16#include "llvm/IR/Type.h"
17
18namespace clang {
19namespace CodeGen {
20
21class CodeGenFunction;
22
23/// This is an IRBuilder insertion helper that forwards to
24/// CodeGenFunction::InsertHelper, which adds necessary metadata to
25/// instructions.
26class CGBuilderInserter final : public llvm::IRBuilderDefaultInserter {
27public:
28 CGBuilderInserter() = default;
29 explicit CGBuilderInserter(CodeGenFunction *CGF) : CGF(CGF) {}
30
31 /// This forwards to CodeGenFunction::InsertHelper.
32 void InsertHelper(llvm::Instruction *I, const llvm::Twine &Name,
33 llvm::BasicBlock *BB,
34 llvm::BasicBlock::iterator InsertPt) const override;
35
36private:
37 CodeGenFunction *CGF = nullptr;
38};
39
41
42typedef llvm::IRBuilder<llvm::ConstantFolder, CGBuilderInserterTy>
44
46 /// Storing a reference to the type cache here makes it a lot easier
47 /// to build natural-feeling, target-specific IR.
48 const CodeGenTypeCache &TypeCache;
49
50public:
51 CGBuilderTy(const CodeGenTypeCache &TypeCache, llvm::LLVMContext &C)
52 : CGBuilderBaseTy(C), TypeCache(TypeCache) {}
53 CGBuilderTy(const CodeGenTypeCache &TypeCache, llvm::LLVMContext &C,
54 const llvm::ConstantFolder &F,
55 const CGBuilderInserterTy &Inserter)
56 : CGBuilderBaseTy(C, F, Inserter), TypeCache(TypeCache) {}
57 CGBuilderTy(const CodeGenTypeCache &TypeCache, llvm::Instruction *I)
58 : CGBuilderBaseTy(I), TypeCache(TypeCache) {}
59 CGBuilderTy(const CodeGenTypeCache &TypeCache, llvm::BasicBlock *BB)
60 : CGBuilderBaseTy(BB), TypeCache(TypeCache) {}
61
62 llvm::ConstantInt *getSize(CharUnits N) {
63 return llvm::ConstantInt::get(TypeCache.SizeTy, N.getQuantity());
64 }
65 llvm::ConstantInt *getSize(uint64_t N) {
66 return llvm::ConstantInt::get(TypeCache.SizeTy, N);
67 }
68
69 // Note that we intentionally hide the CreateLoad APIs that don't
70 // take an alignment.
71 llvm::LoadInst *CreateLoad(Address Addr, const llvm::Twine &Name = "") {
72 return CreateAlignedLoad(Addr.getElementType(), Addr.getPointer(),
73 Addr.getAlignment().getAsAlign(), Name);
74 }
75 llvm::LoadInst *CreateLoad(Address Addr, const char *Name) {
76 // This overload is required to prevent string literals from
77 // ending up in the IsVolatile overload.
78 return CreateAlignedLoad(Addr.getElementType(), Addr.getPointer(),
79 Addr.getAlignment().getAsAlign(), Name);
80 }
81 llvm::LoadInst *CreateLoad(Address Addr, bool IsVolatile,
82 const llvm::Twine &Name = "") {
83 return CreateAlignedLoad(Addr.getElementType(), Addr.getPointer(),
84 Addr.getAlignment().getAsAlign(), IsVolatile,
85 Name);
86 }
87
88 using CGBuilderBaseTy::CreateAlignedLoad;
89 llvm::LoadInst *CreateAlignedLoad(llvm::Type *Ty, llvm::Value *Addr,
90 CharUnits Align,
91 const llvm::Twine &Name = "") {
92 return CreateAlignedLoad(Ty, Addr, Align.getAsAlign(), Name);
93 }
94
95 // Note that we intentionally hide the CreateStore APIs that don't
96 // take an alignment.
97 llvm::StoreInst *CreateStore(llvm::Value *Val, Address Addr,
98 bool IsVolatile = false) {
99 return CreateAlignedStore(Val, Addr.getPointer(),
100 Addr.getAlignment().getAsAlign(), IsVolatile);
101 }
102
103 using CGBuilderBaseTy::CreateAlignedStore;
104 llvm::StoreInst *CreateAlignedStore(llvm::Value *Val, llvm::Value *Addr,
105 CharUnits Align,
106 bool IsVolatile = false) {
107 return CreateAlignedStore(Val, Addr, Align.getAsAlign(), IsVolatile);
108 }
109
110 // FIXME: these "default-aligned" APIs should be removed,
111 // but I don't feel like fixing all the builtin code right now.
112 llvm::StoreInst *CreateDefaultAlignedStore(llvm::Value *Val,
113 llvm::Value *Addr,
114 bool IsVolatile = false) {
115 return CGBuilderBaseTy::CreateStore(Val, Addr, IsVolatile);
116 }
117
118 /// Emit a load from an i1 flag variable.
119 llvm::LoadInst *CreateFlagLoad(llvm::Value *Addr,
120 const llvm::Twine &Name = "") {
121 return CreateAlignedLoad(getInt1Ty(), Addr, CharUnits::One(), Name);
122 }
123
124 /// Emit a store to an i1 flag variable.
125 llvm::StoreInst *CreateFlagStore(bool Value, llvm::Value *Addr) {
126 return CreateAlignedStore(getInt1(Value), Addr, CharUnits::One());
127 }
128
129 // Temporarily use old signature; clang will be updated to an Address overload
130 // in a subsequent patch.
131 llvm::AtomicCmpXchgInst *
132 CreateAtomicCmpXchg(llvm::Value *Ptr, llvm::Value *Cmp, llvm::Value *New,
133 llvm::AtomicOrdering SuccessOrdering,
134 llvm::AtomicOrdering FailureOrdering,
135 llvm::SyncScope::ID SSID = llvm::SyncScope::System) {
136 return CGBuilderBaseTy::CreateAtomicCmpXchg(
137 Ptr, Cmp, New, llvm::MaybeAlign(), SuccessOrdering, FailureOrdering,
138 SSID);
139 }
140
141 // Temporarily use old signature; clang will be updated to an Address overload
142 // in a subsequent patch.
143 llvm::AtomicRMWInst *
144 CreateAtomicRMW(llvm::AtomicRMWInst::BinOp Op, llvm::Value *Ptr,
145 llvm::Value *Val, llvm::AtomicOrdering Ordering,
146 llvm::SyncScope::ID SSID = llvm::SyncScope::System) {
147 return CGBuilderBaseTy::CreateAtomicRMW(Op, Ptr, Val, llvm::MaybeAlign(),
148 Ordering, SSID);
149 }
150
151 using CGBuilderBaseTy::CreateAddrSpaceCast;
152 Address CreateAddrSpaceCast(Address Addr, llvm::Type *Ty,
153 const llvm::Twine &Name = "") {
154 return Addr.withPointer(CreateAddrSpaceCast(Addr.getPointer(), Ty, Name),
155 Addr.isKnownNonNull());
156 }
157
158 using CGBuilderBaseTy::CreatePointerBitCastOrAddrSpaceCast;
160 llvm::Type *ElementTy,
161 const llvm::Twine &Name = "") {
162 llvm::Value *Ptr =
164 return Address(Ptr, ElementTy, Addr.getAlignment(), Addr.isKnownNonNull());
165 }
166
167 /// Given
168 /// %addr = {T1, T2...}* ...
169 /// produce
170 /// %name = getelementptr inbounds %addr, i32 0, i32 index
171 ///
172 /// This API assumes that drilling into a struct like this is always an
173 /// inbounds operation.
174 using CGBuilderBaseTy::CreateStructGEP;
175 Address CreateStructGEP(Address Addr, unsigned Index,
176 const llvm::Twine &Name = "") {
177 llvm::StructType *ElTy = cast<llvm::StructType>(Addr.getElementType());
178 const llvm::DataLayout &DL = BB->getParent()->getParent()->getDataLayout();
179 const llvm::StructLayout *Layout = DL.getStructLayout(ElTy);
180 auto Offset = CharUnits::fromQuantity(Layout->getElementOffset(Index));
181
182 return Address(
183 CreateStructGEP(Addr.getElementType(), Addr.getPointer(), Index, Name),
184 ElTy->getElementType(Index),
185 Addr.getAlignment().alignmentAtOffset(Offset), Addr.isKnownNonNull());
186 }
187
188 /// Given
189 /// %addr = [n x T]* ...
190 /// produce
191 /// %name = getelementptr inbounds %addr, i64 0, i64 index
192 /// where i64 is actually the target word size.
193 ///
194 /// This API assumes that drilling into an array like this is always
195 /// an inbounds operation.
196 Address CreateConstArrayGEP(Address Addr, uint64_t Index,
197 const llvm::Twine &Name = "") {
198 llvm::ArrayType *ElTy = cast<llvm::ArrayType>(Addr.getElementType());
199 const llvm::DataLayout &DL = BB->getParent()->getParent()->getDataLayout();
200 CharUnits EltSize =
201 CharUnits::fromQuantity(DL.getTypeAllocSize(ElTy->getElementType()));
202
203 return Address(
204 CreateInBoundsGEP(Addr.getElementType(), Addr.getPointer(),
205 {getSize(CharUnits::Zero()), getSize(Index)}, Name),
206 ElTy->getElementType(),
207 Addr.getAlignment().alignmentAtOffset(Index * EltSize),
208 Addr.isKnownNonNull());
209 }
210
211 /// Given
212 /// %addr = T* ...
213 /// produce
214 /// %name = getelementptr inbounds %addr, i64 index
215 /// where i64 is actually the target word size.
217 const llvm::Twine &Name = "") {
218 llvm::Type *ElTy = Addr.getElementType();
219 const llvm::DataLayout &DL = BB->getParent()->getParent()->getDataLayout();
220 CharUnits EltSize = CharUnits::fromQuantity(DL.getTypeAllocSize(ElTy));
221
222 return Address(CreateInBoundsGEP(Addr.getElementType(), Addr.getPointer(),
223 getSize(Index), Name),
224 ElTy, Addr.getAlignment().alignmentAtOffset(Index * EltSize),
225 Addr.isKnownNonNull());
226 }
227
228 /// Given
229 /// %addr = T* ...
230 /// produce
231 /// %name = getelementptr inbounds %addr, i64 index
232 /// where i64 is actually the target word size.
233 Address CreateConstGEP(Address Addr, uint64_t Index,
234 const llvm::Twine &Name = "") {
235 const llvm::DataLayout &DL = BB->getParent()->getParent()->getDataLayout();
236 CharUnits EltSize =
237 CharUnits::fromQuantity(DL.getTypeAllocSize(Addr.getElementType()));
238
239 return Address(CreateGEP(Addr.getElementType(), Addr.getPointer(),
240 getSize(Index), Name),
241 Addr.getElementType(),
242 Addr.getAlignment().alignmentAtOffset(Index * EltSize),
244 }
245
246 /// Create GEP with single dynamic index. The address alignment is reduced
247 /// according to the element size.
248 using CGBuilderBaseTy::CreateGEP;
249 Address CreateGEP(Address Addr, llvm::Value *Index,
250 const llvm::Twine &Name = "") {
251 const llvm::DataLayout &DL = BB->getParent()->getParent()->getDataLayout();
252 CharUnits EltSize =
253 CharUnits::fromQuantity(DL.getTypeAllocSize(Addr.getElementType()));
254
255 return Address(
256 CreateGEP(Addr.getElementType(), Addr.getPointer(), Index, Name),
257 Addr.getElementType(),
259 }
260
261 /// Given a pointer to i8, adjust it by a given constant offset.
263 const llvm::Twine &Name = "") {
264 assert(Addr.getElementType() == TypeCache.Int8Ty);
265 return Address(CreateInBoundsGEP(Addr.getElementType(), Addr.getPointer(),
266 getSize(Offset), Name),
267 Addr.getElementType(),
268 Addr.getAlignment().alignmentAtOffset(Offset),
269 Addr.isKnownNonNull());
270 }
272 const llvm::Twine &Name = "") {
273 assert(Addr.getElementType() == TypeCache.Int8Ty);
274 return Address(CreateGEP(Addr.getElementType(), Addr.getPointer(),
275 getSize(Offset), Name),
276 Addr.getElementType(),
277 Addr.getAlignment().alignmentAtOffset(Offset),
279 }
280
281 using CGBuilderBaseTy::CreateConstInBoundsGEP2_32;
282 Address CreateConstInBoundsGEP2_32(Address Addr, unsigned Idx0, unsigned Idx1,
283 const llvm::Twine &Name = "") {
284 const llvm::DataLayout &DL = BB->getParent()->getParent()->getDataLayout();
285
286 auto *GEP = cast<llvm::GetElementPtrInst>(CreateConstInBoundsGEP2_32(
287 Addr.getElementType(), Addr.getPointer(), Idx0, Idx1, Name));
288 llvm::APInt Offset(
289 DL.getIndexSizeInBits(Addr.getType()->getPointerAddressSpace()), 0,
290 /*isSigned=*/true);
291 if (!GEP->accumulateConstantOffset(DL, Offset))
292 llvm_unreachable("offset of GEP with constants is always computable");
293 return Address(GEP, GEP->getResultElementType(),
295 CharUnits::fromQuantity(Offset.getSExtValue())),
296 Addr.isKnownNonNull());
297 }
298
299 using CGBuilderBaseTy::CreateMemCpy;
300 llvm::CallInst *CreateMemCpy(Address Dest, Address Src, llvm::Value *Size,
301 bool IsVolatile = false) {
302 return CreateMemCpy(Dest.getPointer(), Dest.getAlignment().getAsAlign(),
303 Src.getPointer(), Src.getAlignment().getAsAlign(), Size,
304 IsVolatile);
305 }
306 llvm::CallInst *CreateMemCpy(Address Dest, Address Src, uint64_t Size,
307 bool IsVolatile = false) {
308 return CreateMemCpy(Dest.getPointer(), Dest.getAlignment().getAsAlign(),
309 Src.getPointer(), Src.getAlignment().getAsAlign(), Size,
310 IsVolatile);
311 }
312
313 using CGBuilderBaseTy::CreateMemCpyInline;
314 llvm::CallInst *CreateMemCpyInline(Address Dest, Address Src, uint64_t Size) {
315 return CreateMemCpyInline(
316 Dest.getPointer(), Dest.getAlignment().getAsAlign(), Src.getPointer(),
317 Src.getAlignment().getAsAlign(), getInt64(Size));
318 }
319
320 using CGBuilderBaseTy::CreateMemMove;
321 llvm::CallInst *CreateMemMove(Address Dest, Address Src, llvm::Value *Size,
322 bool IsVolatile = false) {
323 return CreateMemMove(Dest.getPointer(), Dest.getAlignment().getAsAlign(),
324 Src.getPointer(), Src.getAlignment().getAsAlign(),
325 Size, IsVolatile);
326 }
327
328 using CGBuilderBaseTy::CreateMemSet;
329 llvm::CallInst *CreateMemSet(Address Dest, llvm::Value *Value,
330 llvm::Value *Size, bool IsVolatile = false) {
331 return CreateMemSet(Dest.getPointer(), Value, Size,
332 Dest.getAlignment().getAsAlign(), IsVolatile);
333 }
334
335 using CGBuilderBaseTy::CreateMemSetInline;
336 llvm::CallInst *CreateMemSetInline(Address Dest, llvm::Value *Value,
337 uint64_t Size) {
338 return CreateMemSetInline(Dest.getPointer(),
339 Dest.getAlignment().getAsAlign(), Value,
340 getInt64(Size));
341 }
342
343 using CGBuilderBaseTy::CreatePreserveStructAccessIndex;
345 unsigned FieldIndex,
346 llvm::MDNode *DbgInfo) {
347 llvm::StructType *ElTy = cast<llvm::StructType>(Addr.getElementType());
348 const llvm::DataLayout &DL = BB->getParent()->getParent()->getDataLayout();
349 const llvm::StructLayout *Layout = DL.getStructLayout(ElTy);
350 auto Offset = CharUnits::fromQuantity(Layout->getElementOffset(Index));
351
353 Index, FieldIndex, DbgInfo),
354 ElTy->getElementType(Index),
355 Addr.getAlignment().alignmentAtOffset(Offset));
356 }
357
358 using CGBuilderBaseTy::CreateLaunderInvariantGroup;
361 Addr.isKnownNonNull());
362 }
363};
364
365} // end namespace CodeGen
366} // end namespace clang
367
368#endif
CharUnits - This is an opaque type for sizes expressed in character units.
Definition: CharUnits.h:38
CharUnits alignmentAtOffset(CharUnits offset) const
Given that this is a non-zero alignment value, what is the alignment at the given offset?
Definition: CharUnits.h:207
llvm::Align getAsAlign() const
getAsAlign - Returns Quantity as a valid llvm::Align, Beware llvm::Align assumes power of two 8-bit b...
Definition: CharUnits.h:189
QuantityType getQuantity() const
getQuantity - Get the raw integer representation of this quantity.
Definition: CharUnits.h:185
static CharUnits One()
One - Construct a CharUnits quantity of one.
Definition: CharUnits.h:58
CharUnits alignmentOfArrayElement(CharUnits elementSize) const
Given that this is the alignment of the first element of an array, return the minimum alignment of an...
Definition: CharUnits.h:214
static CharUnits fromQuantity(QuantityType Quantity)
fromQuantity - Construct a CharUnits quantity from a raw integer type.
Definition: CharUnits.h:63
An aligned address.
Definition: Address.h:29
CharUnits getAlignment() const
Return the alignment of this pointer.
Definition: Address.h:78
llvm::Type * getElementType() const
Return the type of the values stored in this address.
Definition: Address.h:62
Address withPointer(llvm::Value *NewPointer, KnownNonNull_t IsKnownNonNull) const
Return address with different pointer, but same element type and alignment.
Definition: Address.h:85
KnownNonNull_t isKnownNonNull() const
Whether the pointer is known not to be null.
Definition: Address.h:105
llvm::Value * getPointer() const
Definition: Address.h:51
llvm::PointerType * getType() const
Return the type of the pointer value.
Definition: Address.h:57
This is an IRBuilder insertion helper that forwards to CodeGenFunction::InsertHelper,...
Definition: CGBuilder.h:26
void InsertHelper(llvm::Instruction *I, const llvm::Twine &Name, llvm::BasicBlock *BB, llvm::BasicBlock::iterator InsertPt) const override
This forwards to CodeGenFunction::InsertHelper.
CGBuilderInserter(CodeGenFunction *CGF)
Definition: CGBuilder.h:29
llvm::LoadInst * CreateLoad(Address Addr, bool IsVolatile, const llvm::Twine &Name="")
Definition: CGBuilder.h:81
llvm::StoreInst * CreateFlagStore(bool Value, llvm::Value *Addr)
Emit a store to an i1 flag variable.
Definition: CGBuilder.h:125
llvm::StoreInst * CreateStore(llvm::Value *Val, Address Addr, bool IsVolatile=false)
Definition: CGBuilder.h:97
Address CreateConstInBoundsByteGEP(Address Addr, CharUnits Offset, const llvm::Twine &Name="")
Given a pointer to i8, adjust it by a given constant offset.
Definition: CGBuilder.h:262
llvm::CallInst * CreateMemCpy(Address Dest, Address Src, uint64_t Size, bool IsVolatile=false)
Definition: CGBuilder.h:306
Address CreateConstInBoundsGEP2_32(Address Addr, unsigned Idx0, unsigned Idx1, const llvm::Twine &Name="")
Definition: CGBuilder.h:282
CGBuilderTy(const CodeGenTypeCache &TypeCache, llvm::LLVMContext &C, const llvm::ConstantFolder &F, const CGBuilderInserterTy &Inserter)
Definition: CGBuilder.h:53
llvm::StoreInst * CreateAlignedStore(llvm::Value *Val, llvm::Value *Addr, CharUnits Align, bool IsVolatile=false)
Definition: CGBuilder.h:104
llvm::CallInst * CreateMemMove(Address Dest, Address Src, llvm::Value *Size, bool IsVolatile=false)
Definition: CGBuilder.h:321
Address CreatePointerBitCastOrAddrSpaceCast(Address Addr, llvm::Type *Ty, llvm::Type *ElementTy, const llvm::Twine &Name="")
Definition: CGBuilder.h:159
llvm::CallInst * CreateMemCpyInline(Address Dest, Address Src, uint64_t Size)
Definition: CGBuilder.h:314
llvm::AtomicRMWInst * CreateAtomicRMW(llvm::AtomicRMWInst::BinOp Op, llvm::Value *Ptr, llvm::Value *Val, llvm::AtomicOrdering Ordering, llvm::SyncScope::ID SSID=llvm::SyncScope::System)
Definition: CGBuilder.h:144
Address CreateConstArrayGEP(Address Addr, uint64_t Index, const llvm::Twine &Name="")
Given addr = [n x T]* ... produce name = getelementptr inbounds addr, i64 0, i64 index where i64 is a...
Definition: CGBuilder.h:196
llvm::CallInst * CreateMemSetInline(Address Dest, llvm::Value *Value, uint64_t Size)
Definition: CGBuilder.h:336
llvm::StoreInst * CreateDefaultAlignedStore(llvm::Value *Val, llvm::Value *Addr, bool IsVolatile=false)
Definition: CGBuilder.h:112
llvm::CallInst * CreateMemSet(Address Dest, llvm::Value *Value, llvm::Value *Size, bool IsVolatile=false)
Definition: CGBuilder.h:329
Address CreateStructGEP(Address Addr, unsigned Index, const llvm::Twine &Name="")
Definition: CGBuilder.h:175
CGBuilderTy(const CodeGenTypeCache &TypeCache, llvm::LLVMContext &C)
Definition: CGBuilder.h:51
CGBuilderTy(const CodeGenTypeCache &TypeCache, llvm::Instruction *I)
Definition: CGBuilder.h:57
llvm::LoadInst * CreateLoad(Address Addr, const llvm::Twine &Name="")
Definition: CGBuilder.h:71
Address CreateConstByteGEP(Address Addr, CharUnits Offset, const llvm::Twine &Name="")
Definition: CGBuilder.h:271
Address CreatePreserveStructAccessIndex(Address Addr, unsigned Index, unsigned FieldIndex, llvm::MDNode *DbgInfo)
Definition: CGBuilder.h:344
llvm::LoadInst * CreateFlagLoad(llvm::Value *Addr, const llvm::Twine &Name="")
Emit a load from an i1 flag variable.
Definition: CGBuilder.h:119
Address CreateLaunderInvariantGroup(Address Addr)
Definition: CGBuilder.h:359
llvm::CallInst * CreateMemCpy(Address Dest, Address Src, llvm::Value *Size, bool IsVolatile=false)
Definition: CGBuilder.h:300
llvm::LoadInst * CreateAlignedLoad(llvm::Type *Ty, llvm::Value *Addr, CharUnits Align, const llvm::Twine &Name="")
Definition: CGBuilder.h:89
CGBuilderTy(const CodeGenTypeCache &TypeCache, llvm::BasicBlock *BB)
Definition: CGBuilder.h:59
Address CreateConstGEP(Address Addr, uint64_t Index, const llvm::Twine &Name="")
Given addr = T* ... produce name = getelementptr inbounds addr, i64 index where i64 is actually the t...
Definition: CGBuilder.h:233
llvm::ConstantInt * getSize(CharUnits N)
Definition: CGBuilder.h:62
llvm::LoadInst * CreateLoad(Address Addr, const char *Name)
Definition: CGBuilder.h:75
Address CreateConstInBoundsGEP(Address Addr, uint64_t Index, const llvm::Twine &Name="")
Given addr = T* ... produce name = getelementptr inbounds addr, i64 index where i64 is actually the t...
Definition: CGBuilder.h:216
Address CreateAddrSpaceCast(Address Addr, llvm::Type *Ty, const llvm::Twine &Name="")
Definition: CGBuilder.h:152
llvm::ConstantInt * getSize(uint64_t N)
Definition: CGBuilder.h:65
llvm::AtomicCmpXchgInst * CreateAtomicCmpXchg(llvm::Value *Ptr, llvm::Value *Cmp, llvm::Value *New, llvm::AtomicOrdering SuccessOrdering, llvm::AtomicOrdering FailureOrdering, llvm::SyncScope::ID SSID=llvm::SyncScope::System)
Definition: CGBuilder.h:132
Address CreateGEP(Address Addr, llvm::Value *Index, const llvm::Twine &Name="")
Definition: CGBuilder.h:249
CodeGenFunction - This class organizes the per-function state that is used while generating LLVM code...
llvm::IRBuilder< llvm::ConstantFolder, CGBuilderInserterTy > CGBuilderBaseTy
Definition: CGBuilder.h:43
CGBuilderInserter CGBuilderInserterTy
Definition: CGBuilder.h:40
@ NotKnownNonNull
Definition: Address.h:26
@ C
Languages that the frontend can parse and compile.
This structure provides a set of types that are commonly used during IR emission.
llvm::IntegerType * Int8Ty
i8, i16, i32, and i64