#ifndef LLVM_SUPPORT_IRBUILDER_H
#define LLVM_SUPPORT_IRBUILDER_H
-#include "llvm/BasicBlock.h"
#include "llvm/Constants.h"
#include "llvm/Instructions.h"
+#include "llvm/GlobalAlias.h"
#include "llvm/GlobalVariable.h"
#include "llvm/Function.h"
+#include "llvm/LLVMContext.h"
#include "llvm/Support/ConstantFolder.h"
namespace llvm {
template <bool preserveNames=true, typename T = ConstantFolder> class IRBuilder{
BasicBlock *BB;
BasicBlock::iterator InsertPt;
+ LLVMContext &Context;
T Folder;
public:
- IRBuilder(const T& F = T()) : Folder(F) { ClearInsertionPoint(); }
- explicit IRBuilder(BasicBlock *TheBB, const T& F = T())
- : Folder(F) { SetInsertPoint(TheBB); }
- IRBuilder(BasicBlock *TheBB, BasicBlock::iterator IP, const T& F = T())
- : Folder(F) { SetInsertPoint(TheBB, IP); }
+ IRBuilder(LLVMContext &C, const T& F) :
+ Context(C), Folder(F) { ClearInsertionPoint(); }
+
+ IRBuilder(LLVMContext &C) : Context(C), Folder(C) { ClearInsertionPoint(); }
+
+ explicit IRBuilder(BasicBlock *TheBB, const T& F)
+ : Context(TheBB->getContext()), Folder(F) {
+ SetInsertPoint(TheBB);
+ }
+
+ explicit IRBuilder(BasicBlock *TheBB)
+ : Context(TheBB->getContext()), Folder(Context) {
+ SetInsertPoint(TheBB);
+ }
+
+ IRBuilder(BasicBlock *TheBB, BasicBlock::iterator IP, const T& F)
+ : Context(TheBB->getContext()), Folder(F) {
+ SetInsertPoint(TheBB, IP);
+ }
+
+ IRBuilder(BasicBlock *TheBB, BasicBlock::iterator IP)
+ : Context(TheBB->getContext()), Folder(Context) {
+ SetInsertPoint(TheBB, IP);
+ }
/// getFolder - Get the constant folder being used.
const T& getFolder() { return Folder; }
+ /// isNamePreserving - Return true if this builder is configured to actually
+ /// add the requested names to IR created through it.
+ bool isNamePreserving() const { return preserveNames; }
+
//===--------------------------------------------------------------------===//
// Builder configuration methods
//===--------------------------------------------------------------------===//
BasicBlock *GetInsertBlock() const { return BB; }
+ BasicBlock::iterator GetInsertPoint() const { return InsertPt; }
+
/// SetInsertPoint - This specifies that created instructions should be
/// appended to the end of the specified block.
void SetInsertPoint(BasicBlock *TheBB) {
return Folder.CreateAdd(LC, RC);
return Insert(BinaryOperator::CreateAdd(LHS, RHS), Name);
}
+ Value *CreateFAdd(Value *LHS, Value *RHS, const char *Name = "") {
+ if (Constant *LC = dyn_cast<Constant>(LHS))
+ if (Constant *RC = dyn_cast<Constant>(RHS))
+ return Folder.CreateFAdd(LC, RC);
+ return Insert(BinaryOperator::CreateFAdd(LHS, RHS), Name);
+ }
Value *CreateSub(Value *LHS, Value *RHS, const char *Name = "") {
if (Constant *LC = dyn_cast<Constant>(LHS))
if (Constant *RC = dyn_cast<Constant>(RHS))
return Folder.CreateSub(LC, RC);
return Insert(BinaryOperator::CreateSub(LHS, RHS), Name);
}
+ Value *CreateFSub(Value *LHS, Value *RHS, const char *Name = "") {
+ if (Constant *LC = dyn_cast<Constant>(LHS))
+ if (Constant *RC = dyn_cast<Constant>(RHS))
+ return Folder.CreateFSub(LC, RC);
+ return Insert(BinaryOperator::CreateFSub(LHS, RHS), Name);
+ }
Value *CreateMul(Value *LHS, Value *RHS, const char *Name = "") {
if (Constant *LC = dyn_cast<Constant>(LHS))
if (Constant *RC = dyn_cast<Constant>(RHS))
return Folder.CreateMul(LC, RC);
return Insert(BinaryOperator::CreateMul(LHS, RHS), Name);
}
+ Value *CreateFMul(Value *LHS, Value *RHS, const char *Name = "") {
+ if (Constant *LC = dyn_cast<Constant>(LHS))
+ if (Constant *RC = dyn_cast<Constant>(RHS))
+ return Folder.CreateFMul(LC, RC);
+ return Insert(BinaryOperator::CreateFMul(LHS, RHS), Name);
+ }
Value *CreateUDiv(Value *LHS, Value *RHS, const char *Name = "") {
if (Constant *LC = dyn_cast<Constant>(LHS))
if (Constant *RC = dyn_cast<Constant>(RHS))
Value *CreateNeg(Value *V, const char *Name = "") {
if (Constant *VC = dyn_cast<Constant>(V))
return Folder.CreateNeg(VC);
- return Insert(BinaryOperator::CreateNeg(V), Name);
+ return Insert(BinaryOperator::CreateNeg(Context, V), Name);
+ }
+ Value *CreateFNeg(Value *V, const char *Name = "") {
+ if (Constant *VC = dyn_cast<Constant>(V))
+ return Folder.CreateFNeg(VC);
+ return Insert(BinaryOperator::CreateFNeg(Context, V), Name);
}
Value *CreateNot(Value *V, const char *Name = "") {
if (Constant *VC = dyn_cast<Constant>(V))
return Folder.CreateNot(VC);
- return Insert(BinaryOperator::CreateNot(V), Name);
+ return Insert(BinaryOperator::CreateNot(Context, V), Name);
}
//===--------------------------------------------------------------------===//
return Insert(new StoreInst(Val, Ptr, isVolatile));
}
template<typename InputIterator>
- Value *CreateGEP(Value *Ptr, InputIterator IdxBegin,
- InputIterator IdxEnd, const char *Name = "") {
-
+ Value *CreateGEP(Value *Ptr, InputIterator IdxBegin, InputIterator IdxEnd,
+ const char *Name = "") {
if (Constant *PC = dyn_cast<Constant>(Ptr)) {
// Every index must be constant.
InputIterator i;
return Folder.CreateGetElementPtr(PC, &IC, 1);
return Insert(GetElementPtrInst::Create(Ptr, Idx), Name);
}
- Value *CreateStructGEP(Value *Ptr, unsigned Idx, const char *Name = "") {
- llvm::Value *Idxs[] = {
- ConstantInt::get(llvm::Type::Int32Ty, 0),
- ConstantInt::get(llvm::Type::Int32Ty, Idx)
+ Value *CreateConstGEP1_32(Value *Ptr, unsigned Idx0, const char *Name = "") {
+ Value *Idx = ConstantInt::get(Type::Int32Ty, Idx0);
+
+ if (Constant *PC = dyn_cast<Constant>(Ptr))
+ return Folder.CreateGetElementPtr(PC, &Idx, 1);
+
+ return Insert(GetElementPtrInst::Create(Ptr, &Idx, &Idx+1), Name);
+ }
+ Value *CreateConstGEP2_32(Value *Ptr, unsigned Idx0, unsigned Idx1,
+ const char *Name = "") {
+ Value *Idxs[] = {
+ ConstantInt::get(Type::Int32Ty, Idx0),
+ ConstantInt::get(Type::Int32Ty, Idx1)
+ };
+
+ if (Constant *PC = dyn_cast<Constant>(Ptr))
+ return Folder.CreateGetElementPtr(PC, Idxs, 2);
+
+ return Insert(GetElementPtrInst::Create(Ptr, Idxs, Idxs+2), Name);
+ }
+ Value *CreateConstGEP1_64(Value *Ptr, uint64_t Idx0, const char *Name = "") {
+ Value *Idx = ConstantInt::get(Type::Int64Ty, Idx0);
+
+ if (Constant *PC = dyn_cast<Constant>(Ptr))
+ return Folder.CreateGetElementPtr(PC, &Idx, 1);
+
+ return Insert(GetElementPtrInst::Create(Ptr, &Idx, &Idx+1), Name);
+ }
+ Value *CreateConstGEP2_64(Value *Ptr, uint64_t Idx0, uint64_t Idx1,
+ const char *Name = "") {
+ Value *Idxs[] = {
+ ConstantInt::get(Type::Int64Ty, Idx0),
+ ConstantInt::get(Type::Int64Ty, Idx1)
};
if (Constant *PC = dyn_cast<Constant>(Ptr))
return Folder.CreateGetElementPtr(PC, Idxs, 2);
- return Insert(GetElementPtrInst::Create(Ptr, Idxs, Idxs+2), Name);
+ return Insert(GetElementPtrInst::Create(Ptr, Idxs, Idxs+2), Name);
+ }
+ Value *CreateStructGEP(Value *Ptr, unsigned Idx, const char *Name = "") {
+ return CreateConstGEP2_32(Ptr, 0, Idx, Name);
}
Value *CreateGlobalString(const char *Str = "", const char *Name = "") {
Constant *StrConstant = ConstantArray::get(Str, true);
- GlobalVariable *gv = new llvm::GlobalVariable(StrConstant->getType(),
- true,
- GlobalValue::InternalLinkage,
- StrConstant,
- "",
- BB->getParent()->getParent(),
- false);
+ Module &M = *BB->getParent()->getParent();
+ GlobalVariable *gv = new GlobalVariable(M,
+ StrConstant->getType(),
+ true,
+ GlobalValue::InternalLinkage,
+ StrConstant,
+ "",
+ 0,
+ false);
gv->setName(Name);
return gv;
}
Value *CreateGlobalStringPtr(const char *Str = "", const char *Name = "") {
Value *gv = CreateGlobalString(Str, Name);
- Value *zero = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0);
+ Value *zero = ConstantInt::get(Type::Int32Ty, 0);
Value *Args[] = { zero, zero };
return CreateGEP(gv, Args, Args+2, Name);
}
}
Value *CreateCast(Instruction::CastOps Op, Value *V, const Type *DestTy,
- const char *Name = "") {
+ const char *Name = "") {
if (V->getType() == DestTy)
return V;
if (Constant *VC = dyn_cast<Constant>(V))
return Insert(CastInst::Create(Op, V, DestTy), Name);
}
Value *CreateIntCast(Value *V, const Type *DestTy, bool isSigned,
- const char *Name = "") {
+ const char *Name = "") {
if (V->getType() == DestTy)
return V;
if (Constant *VC = dyn_cast<Constant>(V))
if (Constant *LC = dyn_cast<Constant>(LHS))
if (Constant *RC = dyn_cast<Constant>(RHS))
return Folder.CreateICmp(P, LC, RC);
- return Insert(new ICmpInst(P, LHS, RHS), Name);
+ return Insert(new ICmpInst(Context, P, LHS, RHS), Name);
}
Value *CreateFCmp(CmpInst::Predicate P, Value *LHS, Value *RHS,
const char *Name = "") {
if (Constant *LC = dyn_cast<Constant>(LHS))
if (Constant *RC = dyn_cast<Constant>(RHS))
return Folder.CreateFCmp(P, LC, RC);
- return Insert(new FCmpInst(P, LHS, RHS), Name);
- }
-
- Value *CreateVICmp(CmpInst::Predicate P, Value *LHS, Value *RHS,
- const char *Name = "") {
- if (Constant *LC = dyn_cast<Constant>(LHS))
- if (Constant *RC = dyn_cast<Constant>(RHS))
- return Folder.CreateVICmp(P, LC, RC);
- return Insert(new VICmpInst(P, LHS, RHS), Name);
- }
- Value *CreateVFCmp(CmpInst::Predicate P, Value *LHS, Value *RHS,
- const char *Name = "") {
- if (Constant *LC = dyn_cast<Constant>(LHS))
- if (Constant *RC = dyn_cast<Constant>(RHS))
- return Folder.CreateVFCmp(P, LC, RC);
- return Insert(new VFCmpInst(P, LHS, RHS), Name);
+ return Insert(new FCmpInst(Context, P, LHS, RHS), Name);
}
//===--------------------------------------------------------------------===//
}
Value *CreateExtractElement(Value *Vec, Value *Idx,
- const char *Name = "") {
+ const char *Name = "") {
if (Constant *VC = dyn_cast<Constant>(Vec))
if (Constant *IC = dyn_cast<Constant>(Idx))
return Folder.CreateExtractElement(VC, IC);
- return Insert(new ExtractElementInst(Vec, Idx), Name);
+ return Insert(ExtractElementInst::Create(Vec, Idx), Name);
}
Value *CreateInsertElement(Value *Vec, Value *NewElt, Value *Idx,
}
Value *CreateShuffleVector(Value *V1, Value *V2, Value *Mask,
- const char *Name = "") {
+ const char *Name = "") {
if (Constant *V1C = dyn_cast<Constant>(V1))
if (Constant *V2C = dyn_cast<Constant>(V2))
if (Constant *MC = dyn_cast<Constant>(Mask))
/// CreateIsNull - Return an i1 value testing if \arg Arg is null.
Value *CreateIsNull(Value *Arg, const char *Name = "") {
- return CreateICmpEQ(Arg, llvm::Constant::getNullValue(Arg->getType()),
+ return CreateICmpEQ(Arg, Context.getNullValue(Arg->getType()),
Name);
}
- /// CreateIsNonNull - Return an i1 value testing if \arg Arg is not null.
- Value *CreateIsNonNull(Value *Arg, const char *Name = "") {
- return CreateICmpNE(Arg, llvm::Constant::getNullValue(Arg->getType()),
+ /// CreateIsNotNull - Return an i1 value testing if \arg Arg is not null.
+ Value *CreateIsNotNull(Value *Arg, const char *Name = "") {
+ return CreateICmpNE(Arg, Context.getNullValue(Arg->getType()),
Name);
}
-
+
+ /// CreatePtrDiff - Return the i64 difference between two pointer values,
+ /// dividing out the size of the pointed-to objects. This is intended to
+ /// implement C-style pointer subtraction.
+ Value *CreatePtrDiff(Value *LHS, Value *RHS, const char *Name = "") {
+ assert(LHS->getType() == RHS->getType() &&
+ "Pointer subtraction operand types must match!");
+ const PointerType *ArgType = cast<PointerType>(LHS->getType());
+ Value *LHS_int = CreatePtrToInt(LHS, Type::Int64Ty);
+ Value *RHS_int = CreatePtrToInt(RHS, Type::Int64Ty);
+ Value *Difference = CreateSub(LHS_int, RHS_int);
+ return CreateSDiv(Difference,
+ ConstantExpr::getSizeOf(ArgType->getElementType()),
+ Name);
+ }
};
}
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