Author: dpatel
Date: Mon Dec 17 13:06:26 2007
New Revision: 45115
URL: http://llvm.org/viewvc/llvm-project?rev=45115&view=rev
Log:
Add cast operators in LLVMFoldingBuilder.
Patch by Richard Pennington.
Modified:
llvm/trunk/include/llvm/Support/LLVMBuilder.h
Modified: llvm/trunk/include/llvm/Support/LLVMBuilder.h
URL:
http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Support/LLVMBuilder.h?rev=45115&r1=45114&r2=45115&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Support/LLVMBuilder.h (original)
+++ llvm/trunk/include/llvm/Support/LLVMBuilder.h Mon Dec 17 13:06:26 2007
@@ -536,6 +536,90 @@
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 @@
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);
+ }
};
}
_______________________________________________
llvm-commits mailing list
llvm-commits@cs.uiuc.edu
http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
