//
// The LLVM Compiler Infrastructure
//
-// This file was developed by Chris Lattner and is distributed under the
-// University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
#include "llvm/BasicBlock.h"
#include "llvm/Instructions.h"
+#include "llvm/Constants.h"
namespace llvm {
}
};
-// TODO: A version of LLVMBuilder that constant folds operands as they come in.
-//class LLVMFoldingBuilder {
-//};
+/// LLVMFoldingBuilder - A version of LLVMBuilder that constant folds operands
+/// as they come in.
+class LLVMFoldingBuilder : public LLVMBuilder {
+
+public:
+ LLVMFoldingBuilder() {}
+ explicit LLVMFoldingBuilder(BasicBlock *TheBB)
+ : LLVMBuilder(TheBB) {}
+ LLVMFoldingBuilder(BasicBlock *TheBB, BasicBlock::iterator IP)
+ : LLVMBuilder(TheBB, IP) {}
+
+ //===--------------------------------------------------------------------===//
+ // Instruction creation methods: Binary Operators
+ //===--------------------------------------------------------------------===//
+
+ Value *CreateAdd(Value *LHS, Value *RHS, const char *Name = "") {
+ if (Constant *LC = dyn_cast<Constant>(LHS))
+ if (Constant *RC = dyn_cast<Constant>(RHS))
+ return ConstantExpr::getAdd(LC, RC);
+ return LLVMBuilder::CreateAdd(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 ConstantExpr::getSub(LC, RC);
+ return LLVMBuilder::CreateSub(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 ConstantExpr::getMul(LC, RC);
+ return LLVMBuilder::CreateMul(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))
+ return ConstantExpr::getUDiv(LC, RC);
+ return LLVMBuilder::CreateUDiv(LHS, RHS, Name);
+ }
+
+ Value *CreateSDiv(Value *LHS, Value *RHS, const char *Name = "") {
+ if (Constant *LC = dyn_cast<Constant>(LHS))
+ if (Constant *RC = dyn_cast<Constant>(RHS))
+ return ConstantExpr::getSDiv(LC, RC);
+ return LLVMBuilder::CreateSDiv(LHS, RHS, Name);
+ }
+
+ Value *CreateFDiv(Value *LHS, Value *RHS, const char *Name = "") {
+ if (Constant *LC = dyn_cast<Constant>(LHS))
+ if (Constant *RC = dyn_cast<Constant>(RHS))
+ return ConstantExpr::getFDiv(LC, RC);
+ return LLVMBuilder::CreateFDiv(LHS, RHS, Name);
+ }
+
+ Value *CreateURem(Value *LHS, Value *RHS, const char *Name = "") {
+ if (Constant *LC = dyn_cast<Constant>(LHS))
+ if (Constant *RC = dyn_cast<Constant>(RHS))
+ return ConstantExpr::getURem(LC, RC);
+ return LLVMBuilder::CreateURem(LHS, RHS, Name);
+ }
+
+ Value *CreateSRem(Value *LHS, Value *RHS, const char *Name = "") {
+ if (Constant *LC = dyn_cast<Constant>(LHS))
+ if (Constant *RC = dyn_cast<Constant>(RHS))
+ return ConstantExpr::getSRem(LC, RC);
+ return LLVMBuilder::CreateSRem(LHS, RHS, Name);
+ }
+
+ Value *CreateFRem(Value *LHS, Value *RHS, const char *Name = "") {
+ if (Constant *LC = dyn_cast<Constant>(LHS))
+ if (Constant *RC = dyn_cast<Constant>(RHS))
+ return ConstantExpr::getFRem(LC, RC);
+ return LLVMBuilder::CreateFRem(LHS, RHS, Name);
+ }
+
+ Value *CreateAnd(Value *LHS, Value *RHS, const char *Name = "") {
+ if (Constant *LC = dyn_cast<Constant>(LHS))
+ if (Constant *RC = dyn_cast<Constant>(RHS))
+ return ConstantExpr::getAnd(LC, RC);
+ return LLVMBuilder::CreateAnd(LHS, RHS, Name);
+ }
+
+ Value *CreateOr(Value *LHS, Value *RHS, const char *Name = "") {
+ if (Constant *LC = dyn_cast<Constant>(LHS))
+ if (Constant *RC = dyn_cast<Constant>(RHS))
+ return ConstantExpr::getOr(LC, RC);
+ return LLVMBuilder::CreateOr(LHS, RHS, Name);
+ }
+
+ Value *CreateXor(Value *LHS, Value *RHS, const char *Name = "") {
+ if (Constant *LC = dyn_cast<Constant>(LHS))
+ if (Constant *RC = dyn_cast<Constant>(RHS))
+ return ConstantExpr::getXor(LC, RC);
+ return LLVMBuilder::CreateXor(LHS, RHS, Name);
+ }
+
+ Value *CreateShl(Value *LHS, Value *RHS, const char *Name = "") {
+ if (Constant *LC = dyn_cast<Constant>(LHS))
+ if (Constant *RC = dyn_cast<Constant>(RHS))
+ return ConstantExpr::getShl(LC, RC);
+ return LLVMBuilder::CreateShl(LHS, RHS, Name);
+ }
+
+ Value *CreateLShr(Value *LHS, Value *RHS, const char *Name = "") {
+ if (Constant *LC = dyn_cast<Constant>(LHS))
+ if (Constant *RC = dyn_cast<Constant>(RHS))
+ return ConstantExpr::getLShr(LC, RC);
+ return LLVMBuilder::CreateLShr(LHS, RHS, Name);
+ }
+
+ Value *CreateAShr(Value *LHS, Value *RHS, const char *Name = "") {
+ if (Constant *LC = dyn_cast<Constant>(LHS))
+ if (Constant *RC = dyn_cast<Constant>(RHS))
+ 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
+ //===--------------------------------------------------------------------===//
+
+ Value *CreateICmpEQ(Value *LHS, Value *RHS, const char *Name = "") {
+ return CreateICmp(ICmpInst::ICMP_EQ, LHS, RHS, Name);
+ }
+ Value *CreateICmpNE(Value *LHS, Value *RHS, const char *Name = "") {
+ return CreateICmp(ICmpInst::ICMP_NE, LHS, RHS, Name);
+ }
+ Value *CreateICmpUGT(Value *LHS, Value *RHS, const char *Name = "") {
+ return CreateICmp(ICmpInst::ICMP_UGT, LHS, RHS, Name);
+ }
+ Value *CreateICmpUGE(Value *LHS, Value *RHS, const char *Name = "") {
+ return CreateICmp(ICmpInst::ICMP_UGE, LHS, RHS, Name);
+ }
+ Value *CreateICmpULT(Value *LHS, Value *RHS, const char *Name = "") {
+ return CreateICmp(ICmpInst::ICMP_ULT, LHS, RHS, Name);
+ }
+ Value *CreateICmpULE(Value *LHS, Value *RHS, const char *Name = "") {
+ return CreateICmp(ICmpInst::ICMP_ULE, LHS, RHS, Name);
+ }
+ Value *CreateICmpSGT(Value *LHS, Value *RHS, const char *Name = "") {
+ return CreateICmp(ICmpInst::ICMP_SGT, LHS, RHS, Name);
+ }
+ Value *CreateICmpSGE(Value *LHS, Value *RHS, const char *Name = "") {
+ return CreateICmp(ICmpInst::ICMP_SGE, LHS, RHS, Name);
+ }
+ Value *CreateICmpSLT(Value *LHS, Value *RHS, const char *Name = "") {
+ return CreateICmp(ICmpInst::ICMP_SLT, LHS, RHS, Name);
+ }
+ Value *CreateICmpSLE(Value *LHS, Value *RHS, const char *Name = "") {
+ return CreateICmp(ICmpInst::ICMP_SLE, LHS, RHS, Name);
+ }
+
+ Value *CreateFCmpOEQ(Value *LHS, Value *RHS, const char *Name = "") {
+ return CreateFCmp(FCmpInst::FCMP_OEQ, LHS, RHS, Name);
+ }
+ Value *CreateFCmpOGT(Value *LHS, Value *RHS, const char *Name = "") {
+ return CreateFCmp(FCmpInst::FCMP_OGT, LHS, RHS, Name);
+ }
+ Value *CreateFCmpOGE(Value *LHS, Value *RHS, const char *Name = "") {
+ return CreateFCmp(FCmpInst::FCMP_OGE, LHS, RHS, Name);
+ }
+ Value *CreateFCmpOLT(Value *LHS, Value *RHS, const char *Name = "") {
+ return CreateFCmp(FCmpInst::FCMP_OLT, LHS, RHS, Name);
+ }
+ Value *CreateFCmpOLE(Value *LHS, Value *RHS, const char *Name = "") {
+ return CreateFCmp(FCmpInst::FCMP_OLE, LHS, RHS, Name);
+ }
+ Value *CreateFCmpONE(Value *LHS, Value *RHS, const char *Name = "") {
+ return CreateFCmp(FCmpInst::FCMP_ONE, LHS, RHS, Name);
+ }
+ Value *CreateFCmpORD(Value *LHS, Value *RHS, const char *Name = "") {
+ return CreateFCmp(FCmpInst::FCMP_ORD, LHS, RHS, Name);
+ }
+ Value *CreateFCmpUNO(Value *LHS, Value *RHS, const char *Name = "") {
+ return CreateFCmp(FCmpInst::FCMP_UNO, LHS, RHS, Name);
+ }
+ Value *CreateFCmpUEQ(Value *LHS, Value *RHS, const char *Name = "") {
+ return CreateFCmp(FCmpInst::FCMP_UEQ, LHS, RHS, Name);
+ }
+ Value *CreateFCmpUGT(Value *LHS, Value *RHS, const char *Name = "") {
+ return CreateFCmp(FCmpInst::FCMP_UGT, LHS, RHS, Name);
+ }
+ Value *CreateFCmpUGE(Value *LHS, Value *RHS, const char *Name = "") {
+ return CreateFCmp(FCmpInst::FCMP_UGE, LHS, RHS, Name);
+ }
+ Value *CreateFCmpULT(Value *LHS, Value *RHS, const char *Name = "") {
+ return CreateFCmp(FCmpInst::FCMP_ULT, LHS, RHS, Name);
+ }
+ Value *CreateFCmpULE(Value *LHS, Value *RHS, const char *Name = "") {
+ return CreateFCmp(FCmpInst::FCMP_ULE, LHS, RHS, Name);
+ }
+ Value *CreateFCmpUNE(Value *LHS, Value *RHS, const char *Name = "") {
+ return CreateFCmp(FCmpInst::FCMP_UNE, LHS, RHS, Name);
+ }
+
+ Value *CreateICmp(ICmpInst::Predicate P, Value *LHS, Value *RHS,
+ const char *Name = "") {
+ if (Constant *LC = dyn_cast<Constant>(LHS))
+ if (Constant *RC = dyn_cast<Constant>(RHS))
+ return ConstantExpr::getCompare(P, LC, RC);
+ return LLVMBuilder::CreateICmp(P, LHS, RHS, Name);
+ }
+
+ Value *CreateFCmp(FCmpInst::Predicate P, Value *LHS, Value *RHS,
+ const char *Name = "") {
+ if (Constant *LC = dyn_cast<Constant>(LHS))
+ if (Constant *RC = dyn_cast<Constant>(RHS))
+ 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);
+ }
+};
}
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