X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;ds=sidebyside;f=include%2Fllvm%2FSupport%2FNoFolder.h;h=8e41a64b1770305b4afb07fb90a82716d7033579;hb=b09c146b116359616f6cbd4c8b3328607e00ff42;hp=78a9035b6c15f672cef072be27ebd28feb4f3237;hpb=411984810e4a66591123e1b16873e5f19ae18817;p=oota-llvm.git diff --git a/include/llvm/Support/NoFolder.h b/include/llvm/Support/NoFolder.h index 78a9035b6c1..8e41a64b177 100644 --- a/include/llvm/Support/NoFolder.h +++ b/include/llvm/Support/NoFolder.h @@ -15,99 +15,137 @@ // llvm/Analysis/ConstantFolding.h. // // Note: since it is not actually possible to create unfolded constants, this -// class returns values rather than constants. The values do not have names, -// even if names were provided to IRBuilder, which may be confusing. +// class returns instructions rather than constants. // //===----------------------------------------------------------------------===// #ifndef LLVM_SUPPORT_NOFOLDER_H #define LLVM_SUPPORT_NOFOLDER_H +#include "llvm/ADT/ArrayRef.h" #include "llvm/Constants.h" #include "llvm/Instructions.h" namespace llvm { -class LLVMContext; - -/// NoFolder - Create "constants" (actually, values) with no folding. +/// NoFolder - Create "constants" (actually, instructions) with no folding. class NoFolder { public: - explicit NoFolder(LLVMContext &) {} + explicit NoFolder() {} //===--------------------------------------------------------------------===// // Binary Operators //===--------------------------------------------------------------------===// - Value *CreateAdd(Constant *LHS, Constant *RHS) const { - return BinaryOperator::CreateAdd(LHS, RHS); - } - Value *CreateNSWAdd(Constant *LHS, Constant *RHS) const { + Instruction *CreateAdd(Constant *LHS, Constant *RHS, + bool HasNUW = false, bool HasNSW = false) const { + BinaryOperator *BO = BinaryOperator::CreateAdd(LHS, RHS); + if (HasNUW) BO->setHasNoUnsignedWrap(); + if (HasNSW) BO->setHasNoSignedWrap(); + return BO; + } + Instruction *CreateNSWAdd(Constant *LHS, Constant *RHS) const { return BinaryOperator::CreateNSWAdd(LHS, RHS); } - Value *CreateFAdd(Constant *LHS, Constant *RHS) const { + Instruction *CreateNUWAdd(Constant *LHS, Constant *RHS) const { + return BinaryOperator::CreateNUWAdd(LHS, RHS); + } + Instruction *CreateFAdd(Constant *LHS, Constant *RHS) const { return BinaryOperator::CreateFAdd(LHS, RHS); } - Value *CreateSub(Constant *LHS, Constant *RHS) const { - return BinaryOperator::CreateSub(LHS, RHS); + Instruction *CreateSub(Constant *LHS, Constant *RHS, + bool HasNUW = false, bool HasNSW = false) const { + BinaryOperator *BO = BinaryOperator::CreateSub(LHS, RHS); + if (HasNUW) BO->setHasNoUnsignedWrap(); + if (HasNSW) BO->setHasNoSignedWrap(); + return BO; } - Value *CreateNSWSub(Constant *LHS, Constant *RHS) const { + Instruction *CreateNSWSub(Constant *LHS, Constant *RHS) const { return BinaryOperator::CreateNSWSub(LHS, RHS); } - Value *CreateFSub(Constant *LHS, Constant *RHS) const { + Instruction *CreateNUWSub(Constant *LHS, Constant *RHS) const { + return BinaryOperator::CreateNUWSub(LHS, RHS); + } + Instruction *CreateFSub(Constant *LHS, Constant *RHS) const { return BinaryOperator::CreateFSub(LHS, RHS); } - Value *CreateMul(Constant *LHS, Constant *RHS) const { - return BinaryOperator::CreateMul(LHS, RHS); + Instruction *CreateMul(Constant *LHS, Constant *RHS, + bool HasNUW = false, bool HasNSW = false) const { + BinaryOperator *BO = BinaryOperator::CreateMul(LHS, RHS); + if (HasNUW) BO->setHasNoUnsignedWrap(); + if (HasNSW) BO->setHasNoSignedWrap(); + return BO; } - Value *CreateNSWMul(Constant *LHS, Constant *RHS) const { + Instruction *CreateNSWMul(Constant *LHS, Constant *RHS) const { return BinaryOperator::CreateNSWMul(LHS, RHS); } - Value *CreateFMul(Constant *LHS, Constant *RHS) const { + Instruction *CreateNUWMul(Constant *LHS, Constant *RHS) const { + return BinaryOperator::CreateNUWMul(LHS, RHS); + } + Instruction *CreateFMul(Constant *LHS, Constant *RHS) const { return BinaryOperator::CreateFMul(LHS, RHS); } - Value *CreateUDiv(Constant *LHS, Constant *RHS) const { - return BinaryOperator::CreateUDiv(LHS, RHS); + Instruction *CreateUDiv(Constant *LHS, Constant *RHS, + bool isExact = false) const { + if (!isExact) + return BinaryOperator::CreateUDiv(LHS, RHS); + return BinaryOperator::CreateExactUDiv(LHS, RHS); + } + Instruction *CreateExactUDiv(Constant *LHS, Constant *RHS) const { + return BinaryOperator::CreateExactUDiv(LHS, RHS); } - Value *CreateSDiv(Constant *LHS, Constant *RHS) const { - return BinaryOperator::CreateSDiv(LHS, RHS); + Instruction *CreateSDiv(Constant *LHS, Constant *RHS, + bool isExact = false) const { + if (!isExact) + return BinaryOperator::CreateSDiv(LHS, RHS); + return BinaryOperator::CreateExactSDiv(LHS, RHS); } - Value *CreateExactSDiv(Constant *LHS, Constant *RHS) const { + Instruction *CreateExactSDiv(Constant *LHS, Constant *RHS) const { return BinaryOperator::CreateExactSDiv(LHS, RHS); } - Value *CreateFDiv(Constant *LHS, Constant *RHS) const { + Instruction *CreateFDiv(Constant *LHS, Constant *RHS) const { return BinaryOperator::CreateFDiv(LHS, RHS); } - Value *CreateURem(Constant *LHS, Constant *RHS) const { + Instruction *CreateURem(Constant *LHS, Constant *RHS) const { return BinaryOperator::CreateURem(LHS, RHS); } - Value *CreateSRem(Constant *LHS, Constant *RHS) const { + Instruction *CreateSRem(Constant *LHS, Constant *RHS) const { return BinaryOperator::CreateSRem(LHS, RHS); } - Value *CreateFRem(Constant *LHS, Constant *RHS) const { + Instruction *CreateFRem(Constant *LHS, Constant *RHS) const { return BinaryOperator::CreateFRem(LHS, RHS); } - Value *CreateShl(Constant *LHS, Constant *RHS) const { - return BinaryOperator::CreateShl(LHS, RHS); - } - Value *CreateLShr(Constant *LHS, Constant *RHS) const { - return BinaryOperator::CreateLShr(LHS, RHS); - } - Value *CreateAShr(Constant *LHS, Constant *RHS) const { - return BinaryOperator::CreateAShr(LHS, RHS); - } - Value *CreateAnd(Constant *LHS, Constant *RHS) const { + Instruction *CreateShl(Constant *LHS, Constant *RHS, bool HasNUW = false, + bool HasNSW = false) const { + BinaryOperator *BO = BinaryOperator::CreateShl(LHS, RHS); + if (HasNUW) BO->setHasNoUnsignedWrap(); + if (HasNSW) BO->setHasNoSignedWrap(); + return BO; + } + Instruction *CreateLShr(Constant *LHS, Constant *RHS, + bool isExact = false) const { + if (!isExact) + return BinaryOperator::CreateLShr(LHS, RHS); + return BinaryOperator::CreateExactLShr(LHS, RHS); + } + Instruction *CreateAShr(Constant *LHS, Constant *RHS, + bool isExact = false) const { + if (!isExact) + return BinaryOperator::CreateAShr(LHS, RHS); + return BinaryOperator::CreateExactAShr(LHS, RHS); + } + Instruction *CreateAnd(Constant *LHS, Constant *RHS) const { return BinaryOperator::CreateAnd(LHS, RHS); } - Value *CreateOr(Constant *LHS, Constant *RHS) const { + Instruction *CreateOr(Constant *LHS, Constant *RHS) const { return BinaryOperator::CreateOr(LHS, RHS); } - Value *CreateXor(Constant *LHS, Constant *RHS) const { + Instruction *CreateXor(Constant *LHS, Constant *RHS) const { return BinaryOperator::CreateXor(LHS, RHS); } - Value *CreateBinOp(Instruction::BinaryOps Opc, - Constant *LHS, Constant *RHS) const { + Instruction *CreateBinOp(Instruction::BinaryOps Opc, + Constant *LHS, Constant *RHS) const { return BinaryOperator::Create(Opc, LHS, RHS); } @@ -115,13 +153,23 @@ public: // Unary Operators //===--------------------------------------------------------------------===// - Value *CreateNeg(Constant *C) const { - return BinaryOperator::CreateNeg(C); - } - Value *CreateNSWNeg(Constant *C) const { + Instruction *CreateNeg(Constant *C, + bool HasNUW = false, bool HasNSW = false) const { + BinaryOperator *BO = BinaryOperator::CreateNeg(C); + if (HasNUW) BO->setHasNoUnsignedWrap(); + if (HasNSW) BO->setHasNoSignedWrap(); + return BO; + } + Instruction *CreateNSWNeg(Constant *C) const { return BinaryOperator::CreateNSWNeg(C); } - Value *CreateNot(Constant *C) const { + Instruction *CreateNUWNeg(Constant *C) const { + return BinaryOperator::CreateNUWNeg(C); + } + Instruction *CreateFNeg(Constant *C) const { + return BinaryOperator::CreateFNeg(C); + } + Instruction *CreateNot(Constant *C) const { return BinaryOperator::CreateNot(C); } @@ -129,45 +177,85 @@ public: // Memory Instructions //===--------------------------------------------------------------------===// - Constant *CreateGetElementPtr(Constant *C, Constant* const *IdxList, - unsigned NumIdx) const { - return ConstantExpr::getGetElementPtr(C, IdxList, NumIdx); + Constant *CreateGetElementPtr(Constant *C, + ArrayRef IdxList) const { + return ConstantExpr::getGetElementPtr(C, IdxList); } - Value *CreateGetElementPtr(Constant *C, Value* const *IdxList, - unsigned NumIdx) const { - return GetElementPtrInst::Create(C, IdxList, IdxList+NumIdx); + Constant *CreateGetElementPtr(Constant *C, Constant *Idx) const { + // This form of the function only exists to avoid ambiguous overload + // warnings about whether to convert Idx to ArrayRef or + // ArrayRef. + return ConstantExpr::getGetElementPtr(C, Idx); + } + Instruction *CreateGetElementPtr(Constant *C, + ArrayRef IdxList) const { + return GetElementPtrInst::Create(C, IdxList); } - Constant *CreateInBoundsGetElementPtr(Constant *C, Constant* const *IdxList, - unsigned NumIdx) const { - return ConstantExpr::getInBoundsGetElementPtr(C, IdxList, NumIdx); + Constant *CreateInBoundsGetElementPtr(Constant *C, + ArrayRef IdxList) const { + return ConstantExpr::getInBoundsGetElementPtr(C, IdxList); + } + Constant *CreateInBoundsGetElementPtr(Constant *C, Constant *Idx) const { + // This form of the function only exists to avoid ambiguous overload + // warnings about whether to convert Idx to ArrayRef or + // ArrayRef. + return ConstantExpr::getInBoundsGetElementPtr(C, Idx); } - Value *CreateInBoundsGetElementPtr(Constant *C, Value* const *IdxList, - unsigned NumIdx) const { - return GetElementPtrInst::CreateInBounds(C, IdxList, IdxList+NumIdx); + Instruction *CreateInBoundsGetElementPtr(Constant *C, + ArrayRef IdxList) const { + return GetElementPtrInst::CreateInBounds(C, IdxList); } //===--------------------------------------------------------------------===// // Cast/Conversion Operators //===--------------------------------------------------------------------===// - Value *CreateCast(Instruction::CastOps Op, Constant *C, - const Type *DestTy) const { + Instruction *CreateCast(Instruction::CastOps Op, Constant *C, + Type *DestTy) const { return CastInst::Create(Op, C, DestTy); } - Value *CreateIntCast(Constant *C, const Type *DestTy, + Instruction *CreatePointerCast(Constant *C, Type *DestTy) const { + return CastInst::CreatePointerCast(C, DestTy); + } + Instruction *CreateIntCast(Constant *C, Type *DestTy, bool isSigned) const { return CastInst::CreateIntegerCast(C, DestTy, isSigned); } + Instruction *CreateFPCast(Constant *C, Type *DestTy) const { + return CastInst::CreateFPCast(C, DestTy); + } + + Instruction *CreateBitCast(Constant *C, Type *DestTy) const { + return CreateCast(Instruction::BitCast, C, DestTy); + } + Instruction *CreateIntToPtr(Constant *C, Type *DestTy) const { + return CreateCast(Instruction::IntToPtr, C, DestTy); + } + Instruction *CreatePtrToInt(Constant *C, Type *DestTy) const { + return CreateCast(Instruction::PtrToInt, C, DestTy); + } + Instruction *CreateZExtOrBitCast(Constant *C, Type *DestTy) const { + return CastInst::CreateZExtOrBitCast(C, DestTy); + } + Instruction *CreateSExtOrBitCast(Constant *C, Type *DestTy) const { + return CastInst::CreateSExtOrBitCast(C, DestTy); + } + + Instruction *CreateTruncOrBitCast(Constant *C, Type *DestTy) const { + return CastInst::CreateTruncOrBitCast(C, DestTy); + } //===--------------------------------------------------------------------===// // Compare Instructions //===--------------------------------------------------------------------===// - Value *CreateICmp(CmpInst::Predicate P, Constant *LHS, Constant *RHS) const { + Instruction *CreateICmp(CmpInst::Predicate P, + Constant *LHS, Constant *RHS) const { return new ICmpInst(P, LHS, RHS); } - Value *CreateFCmp(CmpInst::Predicate P, Constant *LHS, Constant *RHS) const { + Instruction *CreateFCmp(CmpInst::Predicate P, + Constant *LHS, Constant *RHS) const { return new FCmpInst(P, LHS, RHS); } @@ -175,31 +263,33 @@ public: // Other Instructions //===--------------------------------------------------------------------===// - Value *CreateSelect(Constant *C, Constant *True, Constant *False) const { + Instruction *CreateSelect(Constant *C, + Constant *True, Constant *False) const { return SelectInst::Create(C, True, False); } - Value *CreateExtractElement(Constant *Vec, Constant *Idx) const { + Instruction *CreateExtractElement(Constant *Vec, Constant *Idx) const { return ExtractElementInst::Create(Vec, Idx); } - Value *CreateInsertElement(Constant *Vec, Constant *NewElt, - Constant *Idx) const { + Instruction *CreateInsertElement(Constant *Vec, Constant *NewElt, + Constant *Idx) const { return InsertElementInst::Create(Vec, NewElt, Idx); } - Value *CreateShuffleVector(Constant *V1, Constant *V2, Constant *Mask) const { + Instruction *CreateShuffleVector(Constant *V1, Constant *V2, + Constant *Mask) const { return new ShuffleVectorInst(V1, V2, Mask); } - Value *CreateExtractValue(Constant *Agg, const unsigned *IdxList, - unsigned NumIdx) const { - return ExtractValueInst::Create(Agg, IdxList, IdxList+NumIdx); + Instruction *CreateExtractValue(Constant *Agg, + ArrayRef IdxList) const { + return ExtractValueInst::Create(Agg, IdxList); } - Value *CreateInsertValue(Constant *Agg, Constant *Val, - const unsigned *IdxList, unsigned NumIdx) const { - return InsertValueInst::Create(Agg, Val, IdxList, IdxList+NumIdx); + Instruction *CreateInsertValue(Constant *Agg, Constant *Val, + ArrayRef IdxList) const { + return InsertValueInst::Create(Agg, Val, IdxList); } };