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Add cast operators in LLVMFoldingBuilder.

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Patch by Richard Pennington.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45115 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2007-12-17 19:06:26 +00:00
parent d2128a7ca5
commit a6e757ec99
1 changed files with 123 additions and 0 deletions
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123
include/llvm/Support/LLVMBuilder.h
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@ -536,6 +536,90 @@ public:
return ConstantExpr::getAShr(LC, RC);
return LLVMBuilder::CreateAShr(LHS, RHS, Name);
}
//===--------------------------------------------------------------------===//
// Instruction creation methods: Memory Instructions
//===--------------------------------------------------------------------===//
template<typename InputIterator>
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;
for (i = IdxBegin; i < IdxEnd; ++i)
if (!dyn_cast<Constant>(*i))
break;
if (i == IdxEnd)
return ConstantExpr::getGetElementPtr(PC, &IdxBegin[0], IdxEnd - IdxBegin);
}
return LLVMBuilder::CreateGEP(Ptr, IdxBegin, IdxEnd, Name);
}
Value *CreateGEP(Value *Ptr, Value *Idx, const char *Name = "") {
if (Constant *PC = dyn_cast<Constant>(Ptr))
if (Constant *IC = dyn_cast<Constant>(Idx))
return ConstantExpr::getGetElementPtr(PC, &IC, 1);
return LLVMBuilder::CreateGEP(Ptr, Idx, Name);
}
//===--------------------------------------------------------------------===//
// Instruction creation methods: Cast/Conversion Operators
//===--------------------------------------------------------------------===//
Value *CreateTrunc(Value *V, const Type *DestTy, const char *Name = "") {
return CreateCast(Instruction::Trunc, V, DestTy, Name);
}
Value *CreateZExt(Value *V, const Type *DestTy, const char *Name = "") {
return CreateCast(Instruction::ZExt, V, DestTy, Name);
}
Value *CreateSExt(Value *V, const Type *DestTy, const char *Name = "") {
return CreateCast(Instruction::SExt, V, DestTy, Name);
}
Value *CreateFPToUI(Value *V, const Type *DestTy, const char *Name = ""){
return CreateCast(Instruction::FPToUI, V, DestTy, Name);
}
Value *CreateFPToSI(Value *V, const Type *DestTy, const char *Name = ""){
return CreateCast(Instruction::FPToSI, V, DestTy, Name);
}
Value *CreateUIToFP(Value *V, const Type *DestTy, const char *Name = ""){
return CreateCast(Instruction::UIToFP, V, DestTy, Name);
}
Value *CreateSIToFP(Value *V, const Type *DestTy, const char *Name = ""){
return CreateCast(Instruction::SIToFP, V, DestTy, Name);
}
Value *CreateFPTrunc(Value *V, const Type *DestTy,
const char *Name = "") {
return CreateCast(Instruction::FPTrunc, V, DestTy, Name);
}
Value *CreateFPExt(Value *V, const Type *DestTy, const char *Name = "") {
return CreateCast(Instruction::FPExt, V, DestTy, Name);
}
Value *CreatePtrToInt(Value *V, const Type *DestTy,
const char *Name = "") {
return CreateCast(Instruction::PtrToInt, V, DestTy, Name);
}
Value *CreateIntToPtr(Value *V, const Type *DestTy,
const char *Name = "") {
return CreateCast(Instruction::IntToPtr, V, DestTy, Name);
}
Value *CreateBitCast(Value *V, const Type *DestTy,
const char *Name = "") {
return CreateCast(Instruction::BitCast, V, DestTy, Name);
}
Value *CreateCast(Instruction::CastOps Op, Value *V, const Type *DestTy,
const char *Name = "") {
if (Constant *VC = dyn_cast<Constant>(V))
return ConstantExpr::getCast(Op, VC, DestTy);
return LLVMBuilder::CreateCast(Op, V, DestTy, Name);
}
Value *CreateIntCast(Value *V, const Type *DestTy, bool isSigned,
const char *Name = "") {
if (Constant *VC = dyn_cast<Constant>(V))
return ConstantExpr::getIntegerCast(VC, DestTy, isSigned);
return LLVMBuilder::CreateIntCast(V, DestTy, isSigned, Name);
}
//===--------------------------------------------------------------------===//
// Instruction creation methods: Compare Instructions
@ -630,6 +714,45 @@ public:
return ConstantExpr::getCompare(P, LC, RC);
return LLVMBuilder::CreateFCmp(P, LHS, RHS, Name);
}
//===--------------------------------------------------------------------===//
// Instruction creation methods: Other Instructions
//===--------------------------------------------------------------------===//
Value *CreateSelect(Value *C, Value *True, Value *False,
const char *Name = "") {
if (Constant *CC = dyn_cast<Constant>(C))
if (Constant *TC = dyn_cast<Constant>(True))
if (Constant *FC = dyn_cast<Constant>(False))
return ConstantExpr::getSelect(CC, TC, FC);
return LLVMBuilder::CreateSelect(C, True, False, Name);
}
Value *CreateExtractElement(Value *Vec, Value *Idx,
const char *Name = "") {
if (Constant *VC = dyn_cast<Constant>(Vec))
if (Constant *IC = dyn_cast<Constant>(Idx))
return ConstantExpr::getExtractElement(VC, IC);
return LLVMBuilder::CreateExtractElement(Vec, Idx, Name);
}
Value *CreateInsertElement(Value *Vec, Value *NewElt, Value *Idx,
const char *Name = "") {
if (Constant *VC = dyn_cast<Constant>(Vec))
if (Constant *NC = dyn_cast<Constant>(NewElt))
if (Constant *IC = dyn_cast<Constant>(Idx))
return ConstantExpr::getInsertElement(VC, NC, IC);
return LLVMBuilder::CreateInsertElement(Vec, NewElt, Idx, Name);
}
Value *CreateShuffleVector(Value *V1, Value *V2, Value *Mask,
const char *Name = "") {
if (Constant *V1C = dyn_cast<Constant>(V1))
if (Constant *V2C = dyn_cast<Constant>(V2))
if (Constant *MC = dyn_cast<Constant>(Mask))
return ConstantExpr::getShuffleVector(V1C, V2C, MC);
return LLVMBuilder::CreateShuffleVector(V1, V2, Mask, Name);
}
};
}