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1 //===---- IRBuilder.cpp - Builder for LLVM Instrs -------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file implements the IRBuilder class, which is used as a convenient way
11 // to create LLVM instructions with a consistent and simplified interface.
12 //
13 //===----------------------------------------------------------------------===//
14 
15 #include "llvm/IR/Function.h"
16 #include "llvm/IR/GlobalVariable.h"
17 #include "llvm/IR/IRBuilder.h"
18 #include "llvm/IR/Intrinsics.h"
19 #include "llvm/IR/LLVMContext.h"
20 #include "llvm/IR/Statepoint.h"
21 using namespace llvm;
22 
23 /// CreateGlobalString - Make a new global variable with an initializer that
24 /// has array of i8 type filled in with the nul terminated string value
25 /// specified.  If Name is specified, it is the name of the global variable
26 /// created.
CreateGlobalString(StringRef Str,const Twine & Name,unsigned AddressSpace)27 GlobalVariable *IRBuilderBase::CreateGlobalString(StringRef Str,
28                                                   const Twine &Name,
29                                                   unsigned AddressSpace) {
30   Constant *StrConstant = ConstantDataArray::getString(Context, Str);
31   Module &M = *BB->getParent()->getParent();
32   GlobalVariable *GV = new GlobalVariable(M, StrConstant->getType(),
33                                           true, GlobalValue::PrivateLinkage,
34                                           StrConstant, Name, nullptr,
35                                           GlobalVariable::NotThreadLocal,
36                                           AddressSpace);
37   GV->setUnnamedAddr(GlobalValue::UnnamedAddr::Global);
38   return GV;
39 }
40 
getCurrentFunctionReturnType() const41 Type *IRBuilderBase::getCurrentFunctionReturnType() const {
42   assert(BB && BB->getParent() && "No current function!");
43   return BB->getParent()->getReturnType();
44 }
45 
getCastedInt8PtrValue(Value * Ptr)46 Value *IRBuilderBase::getCastedInt8PtrValue(Value *Ptr) {
47   PointerType *PT = cast<PointerType>(Ptr->getType());
48   if (PT->getElementType()->isIntegerTy(8))
49     return Ptr;
50 
51   // Otherwise, we need to insert a bitcast.
52   PT = getInt8PtrTy(PT->getAddressSpace());
53   BitCastInst *BCI = new BitCastInst(Ptr, PT, "");
54   BB->getInstList().insert(InsertPt, BCI);
55   SetInstDebugLocation(BCI);
56   return BCI;
57 }
58 
createCallHelper(Value * Callee,ArrayRef<Value * > Ops,IRBuilderBase * Builder,const Twine & Name="")59 static CallInst *createCallHelper(Value *Callee, ArrayRef<Value *> Ops,
60                                   IRBuilderBase *Builder,
61                                   const Twine& Name="") {
62   CallInst *CI = CallInst::Create(Callee, Ops, Name);
63   Builder->GetInsertBlock()->getInstList().insert(Builder->GetInsertPoint(),CI);
64   Builder->SetInstDebugLocation(CI);
65   return CI;
66 }
67 
createInvokeHelper(Value * Invokee,BasicBlock * NormalDest,BasicBlock * UnwindDest,ArrayRef<Value * > Ops,IRBuilderBase * Builder,const Twine & Name="")68 static InvokeInst *createInvokeHelper(Value *Invokee, BasicBlock *NormalDest,
69                                       BasicBlock *UnwindDest,
70                                       ArrayRef<Value *> Ops,
71                                       IRBuilderBase *Builder,
72                                       const Twine &Name = "") {
73   InvokeInst *II =
74       InvokeInst::Create(Invokee, NormalDest, UnwindDest, Ops, Name);
75   Builder->GetInsertBlock()->getInstList().insert(Builder->GetInsertPoint(),
76                                                   II);
77   Builder->SetInstDebugLocation(II);
78   return II;
79 }
80 
81 CallInst *IRBuilderBase::
CreateMemSet(Value * Ptr,Value * Val,Value * Size,unsigned Align,bool isVolatile,MDNode * TBAATag,MDNode * ScopeTag,MDNode * NoAliasTag)82 CreateMemSet(Value *Ptr, Value *Val, Value *Size, unsigned Align,
83              bool isVolatile, MDNode *TBAATag, MDNode *ScopeTag,
84              MDNode *NoAliasTag) {
85   Ptr = getCastedInt8PtrValue(Ptr);
86   Value *Ops[] = { Ptr, Val, Size, getInt32(Align), getInt1(isVolatile) };
87   Type *Tys[] = { Ptr->getType(), Size->getType() };
88   Module *M = BB->getParent()->getParent();
89   Value *TheFn = Intrinsic::getDeclaration(M, Intrinsic::memset, Tys);
90 
91   CallInst *CI = createCallHelper(TheFn, Ops, this);
92 
93   // Set the TBAA info if present.
94   if (TBAATag)
95     CI->setMetadata(LLVMContext::MD_tbaa, TBAATag);
96 
97   if (ScopeTag)
98     CI->setMetadata(LLVMContext::MD_alias_scope, ScopeTag);
99 
100   if (NoAliasTag)
101     CI->setMetadata(LLVMContext::MD_noalias, NoAliasTag);
102 
103   return CI;
104 }
105 
106 CallInst *IRBuilderBase::
CreateMemCpy(Value * Dst,Value * Src,Value * Size,unsigned Align,bool isVolatile,MDNode * TBAATag,MDNode * TBAAStructTag,MDNode * ScopeTag,MDNode * NoAliasTag)107 CreateMemCpy(Value *Dst, Value *Src, Value *Size, unsigned Align,
108              bool isVolatile, MDNode *TBAATag, MDNode *TBAAStructTag,
109              MDNode *ScopeTag, MDNode *NoAliasTag) {
110   Dst = getCastedInt8PtrValue(Dst);
111   Src = getCastedInt8PtrValue(Src);
112 
113   Value *Ops[] = { Dst, Src, Size, getInt32(Align), getInt1(isVolatile) };
114   Type *Tys[] = { Dst->getType(), Src->getType(), Size->getType() };
115   Module *M = BB->getParent()->getParent();
116   Value *TheFn = Intrinsic::getDeclaration(M, Intrinsic::memcpy, Tys);
117 
118   CallInst *CI = createCallHelper(TheFn, Ops, this);
119 
120   // Set the TBAA info if present.
121   if (TBAATag)
122     CI->setMetadata(LLVMContext::MD_tbaa, TBAATag);
123 
124   // Set the TBAA Struct info if present.
125   if (TBAAStructTag)
126     CI->setMetadata(LLVMContext::MD_tbaa_struct, TBAAStructTag);
127 
128   if (ScopeTag)
129     CI->setMetadata(LLVMContext::MD_alias_scope, ScopeTag);
130 
131   if (NoAliasTag)
132     CI->setMetadata(LLVMContext::MD_noalias, NoAliasTag);
133 
134   return CI;
135 }
136 
137 CallInst *IRBuilderBase::
CreateMemMove(Value * Dst,Value * Src,Value * Size,unsigned Align,bool isVolatile,MDNode * TBAATag,MDNode * ScopeTag,MDNode * NoAliasTag)138 CreateMemMove(Value *Dst, Value *Src, Value *Size, unsigned Align,
139               bool isVolatile, MDNode *TBAATag, MDNode *ScopeTag,
140               MDNode *NoAliasTag) {
141   Dst = getCastedInt8PtrValue(Dst);
142   Src = getCastedInt8PtrValue(Src);
143 
144   Value *Ops[] = { Dst, Src, Size, getInt32(Align), getInt1(isVolatile) };
145   Type *Tys[] = { Dst->getType(), Src->getType(), Size->getType() };
146   Module *M = BB->getParent()->getParent();
147   Value *TheFn = Intrinsic::getDeclaration(M, Intrinsic::memmove, Tys);
148 
149   CallInst *CI = createCallHelper(TheFn, Ops, this);
150 
151   // Set the TBAA info if present.
152   if (TBAATag)
153     CI->setMetadata(LLVMContext::MD_tbaa, TBAATag);
154 
155   if (ScopeTag)
156     CI->setMetadata(LLVMContext::MD_alias_scope, ScopeTag);
157 
158   if (NoAliasTag)
159     CI->setMetadata(LLVMContext::MD_noalias, NoAliasTag);
160 
161   return CI;
162 }
163 
CreateLifetimeStart(Value * Ptr,ConstantInt * Size)164 CallInst *IRBuilderBase::CreateLifetimeStart(Value *Ptr, ConstantInt *Size) {
165   assert(isa<PointerType>(Ptr->getType()) &&
166          "lifetime.start only applies to pointers.");
167   Ptr = getCastedInt8PtrValue(Ptr);
168   if (!Size)
169     Size = getInt64(-1);
170   else
171     assert(Size->getType() == getInt64Ty() &&
172            "lifetime.start requires the size to be an i64");
173   Value *Ops[] = { Size, Ptr };
174   Module *M = BB->getParent()->getParent();
175   Value *TheFn = Intrinsic::getDeclaration(M, Intrinsic::lifetime_start);
176   return createCallHelper(TheFn, Ops, this);
177 }
178 
CreateLifetimeEnd(Value * Ptr,ConstantInt * Size)179 CallInst *IRBuilderBase::CreateLifetimeEnd(Value *Ptr, ConstantInt *Size) {
180   assert(isa<PointerType>(Ptr->getType()) &&
181          "lifetime.end only applies to pointers.");
182   Ptr = getCastedInt8PtrValue(Ptr);
183   if (!Size)
184     Size = getInt64(-1);
185   else
186     assert(Size->getType() == getInt64Ty() &&
187            "lifetime.end requires the size to be an i64");
188   Value *Ops[] = { Size, Ptr };
189   Module *M = BB->getParent()->getParent();
190   Value *TheFn = Intrinsic::getDeclaration(M, Intrinsic::lifetime_end);
191   return createCallHelper(TheFn, Ops, this);
192 }
193 
CreateAssumption(Value * Cond)194 CallInst *IRBuilderBase::CreateAssumption(Value *Cond) {
195   assert(Cond->getType() == getInt1Ty() &&
196          "an assumption condition must be of type i1");
197 
198   Value *Ops[] = { Cond };
199   Module *M = BB->getParent()->getParent();
200   Value *FnAssume = Intrinsic::getDeclaration(M, Intrinsic::assume);
201   return createCallHelper(FnAssume, Ops, this);
202 }
203 
204 /// \brief Create a call to a Masked Load intrinsic.
205 /// \p Ptr      - base pointer for the load
206 /// \p Align    - alignment of the source location
207 /// \p Mask     - vector of booleans which indicates what vector lanes should
208 ///               be accessed in memory
209 /// \p PassThru - pass-through value that is used to fill the masked-off lanes
210 ///               of the result
211 /// \p Name     - name of the result variable
CreateMaskedLoad(Value * Ptr,unsigned Align,Value * Mask,Value * PassThru,const Twine & Name)212 CallInst *IRBuilderBase::CreateMaskedLoad(Value *Ptr, unsigned Align,
213                                           Value *Mask, Value *PassThru,
214                                           const Twine &Name) {
215   PointerType *PtrTy = cast<PointerType>(Ptr->getType());
216   Type *DataTy = PtrTy->getElementType();
217   assert(DataTy->isVectorTy() && "Ptr should point to a vector");
218   if (!PassThru)
219     PassThru = UndefValue::get(DataTy);
220   Type *OverloadedTypes[] = { DataTy, PtrTy };
221   Value *Ops[] = { Ptr, getInt32(Align), Mask,  PassThru};
222   return CreateMaskedIntrinsic(Intrinsic::masked_load, Ops,
223                                OverloadedTypes, Name);
224 }
225 
226 /// \brief Create a call to a Masked Store intrinsic.
227 /// \p Val   - data to be stored,
228 /// \p Ptr   - base pointer for the store
229 /// \p Align - alignment of the destination location
230 /// \p Mask  - vector of booleans which indicates what vector lanes should
231 ///            be accessed in memory
CreateMaskedStore(Value * Val,Value * Ptr,unsigned Align,Value * Mask)232 CallInst *IRBuilderBase::CreateMaskedStore(Value *Val, Value *Ptr,
233                                            unsigned Align, Value *Mask) {
234   PointerType *PtrTy = cast<PointerType>(Ptr->getType());
235   Type *DataTy = PtrTy->getElementType();
236   assert(DataTy->isVectorTy() && "Ptr should point to a vector");
237   Type *OverloadedTypes[] = { DataTy, PtrTy };
238   Value *Ops[] = { Val, Ptr, getInt32(Align), Mask };
239   return CreateMaskedIntrinsic(Intrinsic::masked_store, Ops, OverloadedTypes);
240 }
241 
242 /// Create a call to a Masked intrinsic, with given intrinsic Id,
243 /// an array of operands - Ops, and an array of overloaded types -
244 /// OverloadedTypes.
CreateMaskedIntrinsic(Intrinsic::ID Id,ArrayRef<Value * > Ops,ArrayRef<Type * > OverloadedTypes,const Twine & Name)245 CallInst *IRBuilderBase::CreateMaskedIntrinsic(Intrinsic::ID Id,
246                                                ArrayRef<Value *> Ops,
247                                                ArrayRef<Type *> OverloadedTypes,
248                                                const Twine &Name) {
249   Module *M = BB->getParent()->getParent();
250   Value *TheFn = Intrinsic::getDeclaration(M, Id, OverloadedTypes);
251   return createCallHelper(TheFn, Ops, this, Name);
252 }
253 
254 /// \brief Create a call to a Masked Gather intrinsic.
255 /// \p Ptrs     - vector of pointers for loading
256 /// \p Align    - alignment for one element
257 /// \p Mask     - vector of booleans which indicates what vector lanes should
258 ///               be accessed in memory
259 /// \p PassThru - pass-through value that is used to fill the masked-off lanes
260 ///               of the result
261 /// \p Name     - name of the result variable
CreateMaskedGather(Value * Ptrs,unsigned Align,Value * Mask,Value * PassThru,const Twine & Name)262 CallInst *IRBuilderBase::CreateMaskedGather(Value *Ptrs, unsigned Align,
263                                             Value *Mask,  Value *PassThru,
264                                             const Twine& Name) {
265   auto PtrsTy = cast<VectorType>(Ptrs->getType());
266   auto PtrTy = cast<PointerType>(PtrsTy->getElementType());
267   unsigned NumElts = PtrsTy->getVectorNumElements();
268   Type *DataTy = VectorType::get(PtrTy->getElementType(), NumElts);
269 
270   if (!Mask)
271     Mask = Constant::getAllOnesValue(VectorType::get(Type::getInt1Ty(Context),
272                                      NumElts));
273 
274   Value * Ops[] = {Ptrs, getInt32(Align), Mask, UndefValue::get(DataTy)};
275 
276   // We specify only one type when we create this intrinsic. Types of other
277   // arguments are derived from this type.
278   return CreateMaskedIntrinsic(Intrinsic::masked_gather, Ops, { DataTy }, Name);
279 }
280 
281 /// \brief Create a call to a Masked Scatter intrinsic.
282 /// \p Data  - data to be stored,
283 /// \p Ptrs  - the vector of pointers, where the \p Data elements should be
284 ///            stored
285 /// \p Align - alignment for one element
286 /// \p Mask  - vector of booleans which indicates what vector lanes should
287 ///            be accessed in memory
CreateMaskedScatter(Value * Data,Value * Ptrs,unsigned Align,Value * Mask)288 CallInst *IRBuilderBase::CreateMaskedScatter(Value *Data, Value *Ptrs,
289                                              unsigned Align, Value *Mask) {
290   auto PtrsTy = cast<VectorType>(Ptrs->getType());
291   auto DataTy = cast<VectorType>(Data->getType());
292   unsigned NumElts = PtrsTy->getVectorNumElements();
293 
294 #ifndef NDEBUG
295   auto PtrTy = cast<PointerType>(PtrsTy->getElementType());
296   assert(NumElts == DataTy->getVectorNumElements() &&
297          PtrTy->getElementType() == DataTy->getElementType() &&
298          "Incompatible pointer and data types");
299 #endif
300 
301   if (!Mask)
302     Mask = Constant::getAllOnesValue(VectorType::get(Type::getInt1Ty(Context),
303                                      NumElts));
304   Value * Ops[] = {Data, Ptrs, getInt32(Align), Mask};
305 
306   // We specify only one type when we create this intrinsic. Types of other
307   // arguments are derived from this type.
308   return CreateMaskedIntrinsic(Intrinsic::masked_scatter, Ops, { DataTy });
309 }
310 
311 template <typename T0, typename T1, typename T2, typename T3>
312 static std::vector<Value *>
getStatepointArgs(IRBuilderBase & B,uint64_t ID,uint32_t NumPatchBytes,Value * ActualCallee,uint32_t Flags,ArrayRef<T0> CallArgs,ArrayRef<T1> TransitionArgs,ArrayRef<T2> DeoptArgs,ArrayRef<T3> GCArgs)313 getStatepointArgs(IRBuilderBase &B, uint64_t ID, uint32_t NumPatchBytes,
314                   Value *ActualCallee, uint32_t Flags, ArrayRef<T0> CallArgs,
315                   ArrayRef<T1> TransitionArgs, ArrayRef<T2> DeoptArgs,
316                   ArrayRef<T3> GCArgs) {
317   std::vector<Value *> Args;
318   Args.push_back(B.getInt64(ID));
319   Args.push_back(B.getInt32(NumPatchBytes));
320   Args.push_back(ActualCallee);
321   Args.push_back(B.getInt32(CallArgs.size()));
322   Args.push_back(B.getInt32(Flags));
323   Args.insert(Args.end(), CallArgs.begin(), CallArgs.end());
324   Args.push_back(B.getInt32(TransitionArgs.size()));
325   Args.insert(Args.end(), TransitionArgs.begin(), TransitionArgs.end());
326   Args.push_back(B.getInt32(DeoptArgs.size()));
327   Args.insert(Args.end(), DeoptArgs.begin(), DeoptArgs.end());
328   Args.insert(Args.end(), GCArgs.begin(), GCArgs.end());
329 
330   return Args;
331 }
332 
333 template <typename T0, typename T1, typename T2, typename T3>
CreateGCStatepointCallCommon(IRBuilderBase * Builder,uint64_t ID,uint32_t NumPatchBytes,Value * ActualCallee,uint32_t Flags,ArrayRef<T0> CallArgs,ArrayRef<T1> TransitionArgs,ArrayRef<T2> DeoptArgs,ArrayRef<T3> GCArgs,const Twine & Name)334 static CallInst *CreateGCStatepointCallCommon(
335     IRBuilderBase *Builder, uint64_t ID, uint32_t NumPatchBytes,
336     Value *ActualCallee, uint32_t Flags, ArrayRef<T0> CallArgs,
337     ArrayRef<T1> TransitionArgs, ArrayRef<T2> DeoptArgs, ArrayRef<T3> GCArgs,
338     const Twine &Name) {
339   // Extract out the type of the callee.
340   PointerType *FuncPtrType = cast<PointerType>(ActualCallee->getType());
341   assert(isa<FunctionType>(FuncPtrType->getElementType()) &&
342          "actual callee must be a callable value");
343 
344   Module *M = Builder->GetInsertBlock()->getParent()->getParent();
345   // Fill in the one generic type'd argument (the function is also vararg)
346   Type *ArgTypes[] = { FuncPtrType };
347   Function *FnStatepoint =
348     Intrinsic::getDeclaration(M, Intrinsic::experimental_gc_statepoint,
349                               ArgTypes);
350 
351   std::vector<llvm::Value *> Args =
352       getStatepointArgs(*Builder, ID, NumPatchBytes, ActualCallee, Flags,
353                         CallArgs, TransitionArgs, DeoptArgs, GCArgs);
354   return createCallHelper(FnStatepoint, Args, Builder, Name);
355 }
356 
CreateGCStatepointCall(uint64_t ID,uint32_t NumPatchBytes,Value * ActualCallee,ArrayRef<Value * > CallArgs,ArrayRef<Value * > DeoptArgs,ArrayRef<Value * > GCArgs,const Twine & Name)357 CallInst *IRBuilderBase::CreateGCStatepointCall(
358     uint64_t ID, uint32_t NumPatchBytes, Value *ActualCallee,
359     ArrayRef<Value *> CallArgs, ArrayRef<Value *> DeoptArgs,
360     ArrayRef<Value *> GCArgs, const Twine &Name) {
361   return CreateGCStatepointCallCommon<Value *, Value *, Value *, Value *>(
362       this, ID, NumPatchBytes, ActualCallee, uint32_t(StatepointFlags::None),
363       CallArgs, None /* No Transition Args */, DeoptArgs, GCArgs, Name);
364 }
365 
CreateGCStatepointCall(uint64_t ID,uint32_t NumPatchBytes,Value * ActualCallee,uint32_t Flags,ArrayRef<Use> CallArgs,ArrayRef<Use> TransitionArgs,ArrayRef<Use> DeoptArgs,ArrayRef<Value * > GCArgs,const Twine & Name)366 CallInst *IRBuilderBase::CreateGCStatepointCall(
367     uint64_t ID, uint32_t NumPatchBytes, Value *ActualCallee, uint32_t Flags,
368     ArrayRef<Use> CallArgs, ArrayRef<Use> TransitionArgs,
369     ArrayRef<Use> DeoptArgs, ArrayRef<Value *> GCArgs, const Twine &Name) {
370   return CreateGCStatepointCallCommon<Use, Use, Use, Value *>(
371       this, ID, NumPatchBytes, ActualCallee, Flags, CallArgs, TransitionArgs,
372       DeoptArgs, GCArgs, Name);
373 }
374 
CreateGCStatepointCall(uint64_t ID,uint32_t NumPatchBytes,Value * ActualCallee,ArrayRef<Use> CallArgs,ArrayRef<Value * > DeoptArgs,ArrayRef<Value * > GCArgs,const Twine & Name)375 CallInst *IRBuilderBase::CreateGCStatepointCall(
376     uint64_t ID, uint32_t NumPatchBytes, Value *ActualCallee,
377     ArrayRef<Use> CallArgs, ArrayRef<Value *> DeoptArgs,
378     ArrayRef<Value *> GCArgs, const Twine &Name) {
379   return CreateGCStatepointCallCommon<Use, Value *, Value *, Value *>(
380       this, ID, NumPatchBytes, ActualCallee, uint32_t(StatepointFlags::None),
381       CallArgs, None, DeoptArgs, GCArgs, Name);
382 }
383 
384 template <typename T0, typename T1, typename T2, typename T3>
CreateGCStatepointInvokeCommon(IRBuilderBase * Builder,uint64_t ID,uint32_t NumPatchBytes,Value * ActualInvokee,BasicBlock * NormalDest,BasicBlock * UnwindDest,uint32_t Flags,ArrayRef<T0> InvokeArgs,ArrayRef<T1> TransitionArgs,ArrayRef<T2> DeoptArgs,ArrayRef<T3> GCArgs,const Twine & Name)385 static InvokeInst *CreateGCStatepointInvokeCommon(
386     IRBuilderBase *Builder, uint64_t ID, uint32_t NumPatchBytes,
387     Value *ActualInvokee, BasicBlock *NormalDest, BasicBlock *UnwindDest,
388     uint32_t Flags, ArrayRef<T0> InvokeArgs, ArrayRef<T1> TransitionArgs,
389     ArrayRef<T2> DeoptArgs, ArrayRef<T3> GCArgs, const Twine &Name) {
390   // Extract out the type of the callee.
391   PointerType *FuncPtrType = cast<PointerType>(ActualInvokee->getType());
392   assert(isa<FunctionType>(FuncPtrType->getElementType()) &&
393          "actual callee must be a callable value");
394 
395   Module *M = Builder->GetInsertBlock()->getParent()->getParent();
396   // Fill in the one generic type'd argument (the function is also vararg)
397   Function *FnStatepoint = Intrinsic::getDeclaration(
398       M, Intrinsic::experimental_gc_statepoint, {FuncPtrType});
399 
400   std::vector<llvm::Value *> Args =
401       getStatepointArgs(*Builder, ID, NumPatchBytes, ActualInvokee, Flags,
402                         InvokeArgs, TransitionArgs, DeoptArgs, GCArgs);
403   return createInvokeHelper(FnStatepoint, NormalDest, UnwindDest, Args, Builder,
404                             Name);
405 }
406 
CreateGCStatepointInvoke(uint64_t ID,uint32_t NumPatchBytes,Value * ActualInvokee,BasicBlock * NormalDest,BasicBlock * UnwindDest,ArrayRef<Value * > InvokeArgs,ArrayRef<Value * > DeoptArgs,ArrayRef<Value * > GCArgs,const Twine & Name)407 InvokeInst *IRBuilderBase::CreateGCStatepointInvoke(
408     uint64_t ID, uint32_t NumPatchBytes, Value *ActualInvokee,
409     BasicBlock *NormalDest, BasicBlock *UnwindDest,
410     ArrayRef<Value *> InvokeArgs, ArrayRef<Value *> DeoptArgs,
411     ArrayRef<Value *> GCArgs, const Twine &Name) {
412   return CreateGCStatepointInvokeCommon<Value *, Value *, Value *, Value *>(
413       this, ID, NumPatchBytes, ActualInvokee, NormalDest, UnwindDest,
414       uint32_t(StatepointFlags::None), InvokeArgs, None /* No Transition Args*/,
415       DeoptArgs, GCArgs, Name);
416 }
417 
CreateGCStatepointInvoke(uint64_t ID,uint32_t NumPatchBytes,Value * ActualInvokee,BasicBlock * NormalDest,BasicBlock * UnwindDest,uint32_t Flags,ArrayRef<Use> InvokeArgs,ArrayRef<Use> TransitionArgs,ArrayRef<Use> DeoptArgs,ArrayRef<Value * > GCArgs,const Twine & Name)418 InvokeInst *IRBuilderBase::CreateGCStatepointInvoke(
419     uint64_t ID, uint32_t NumPatchBytes, Value *ActualInvokee,
420     BasicBlock *NormalDest, BasicBlock *UnwindDest, uint32_t Flags,
421     ArrayRef<Use> InvokeArgs, ArrayRef<Use> TransitionArgs,
422     ArrayRef<Use> DeoptArgs, ArrayRef<Value *> GCArgs, const Twine &Name) {
423   return CreateGCStatepointInvokeCommon<Use, Use, Use, Value *>(
424       this, ID, NumPatchBytes, ActualInvokee, NormalDest, UnwindDest, Flags,
425       InvokeArgs, TransitionArgs, DeoptArgs, GCArgs, Name);
426 }
427 
CreateGCStatepointInvoke(uint64_t ID,uint32_t NumPatchBytes,Value * ActualInvokee,BasicBlock * NormalDest,BasicBlock * UnwindDest,ArrayRef<Use> InvokeArgs,ArrayRef<Value * > DeoptArgs,ArrayRef<Value * > GCArgs,const Twine & Name)428 InvokeInst *IRBuilderBase::CreateGCStatepointInvoke(
429     uint64_t ID, uint32_t NumPatchBytes, Value *ActualInvokee,
430     BasicBlock *NormalDest, BasicBlock *UnwindDest, ArrayRef<Use> InvokeArgs,
431     ArrayRef<Value *> DeoptArgs, ArrayRef<Value *> GCArgs, const Twine &Name) {
432   return CreateGCStatepointInvokeCommon<Use, Value *, Value *, Value *>(
433       this, ID, NumPatchBytes, ActualInvokee, NormalDest, UnwindDest,
434       uint32_t(StatepointFlags::None), InvokeArgs, None, DeoptArgs, GCArgs,
435       Name);
436 }
437 
CreateGCResult(Instruction * Statepoint,Type * ResultType,const Twine & Name)438 CallInst *IRBuilderBase::CreateGCResult(Instruction *Statepoint,
439                                        Type *ResultType,
440                                        const Twine &Name) {
441  Intrinsic::ID ID = Intrinsic::experimental_gc_result;
442  Module *M = BB->getParent()->getParent();
443  Type *Types[] = {ResultType};
444  Value *FnGCResult = Intrinsic::getDeclaration(M, ID, Types);
445 
446  Value *Args[] = {Statepoint};
447  return createCallHelper(FnGCResult, Args, this, Name);
448 }
449 
CreateGCRelocate(Instruction * Statepoint,int BaseOffset,int DerivedOffset,Type * ResultType,const Twine & Name)450 CallInst *IRBuilderBase::CreateGCRelocate(Instruction *Statepoint,
451                                          int BaseOffset,
452                                          int DerivedOffset,
453                                          Type *ResultType,
454                                          const Twine &Name) {
455  Module *M = BB->getParent()->getParent();
456  Type *Types[] = {ResultType};
457  Value *FnGCRelocate =
458    Intrinsic::getDeclaration(M, Intrinsic::experimental_gc_relocate, Types);
459 
460  Value *Args[] = {Statepoint,
461                   getInt32(BaseOffset),
462                   getInt32(DerivedOffset)};
463  return createCallHelper(FnGCRelocate, Args, this, Name);
464 }
465