//
//===----------------------------------------------------------------------===//
//
-// This file defines the TargetFolder class, which provides a set of methods
-// for creating constants, with target dependent folding.
-//
+// This file defines the TargetFolder class, a helper for IRBuilder.
+// It provides IRBuilder with a set of methods for creating constants with
+// target dependent folding, in addition to the same target-independent
+// folding that the ConstantFolder class provides. For general constant
+// creation and folding, use ConstantExpr and the routines in
+// llvm/Analysis/ConstantFolding.h.
//
//===----------------------------------------------------------------------===//
#define LLVM_SUPPORT_TARGETFOLDER_H
#include "llvm/Constants.h"
+#include "llvm/InstrTypes.h"
#include "llvm/Analysis/ConstantFolding.h"
namespace llvm {
/// TargetFolder - Create constants with target dependent folding.
class TargetFolder {
- const TargetData &TD;
+ const TargetData *TD;
/// Fold - Fold the constant using target specific information.
Constant *Fold(Constant *C) const {
if (ConstantExpr *CE = dyn_cast<ConstantExpr>(C))
- if (Constant *CF = ConstantFoldConstantExpression(CE, &TD))
+ if (Constant *CF = ConstantFoldConstantExpression(CE, TD))
return CF;
return C;
}
public:
- TargetFolder(const TargetData &TheTD) : TD(TheTD) {}
+ explicit TargetFolder(const TargetData *TheTD) : TD(TheTD) {}
//===--------------------------------------------------------------------===//
// Binary Operators
Constant *CreateAdd(Constant *LHS, Constant *RHS) const {
return Fold(ConstantExpr::getAdd(LHS, RHS));
}
+ Constant *CreateNSWAdd(Constant *LHS, Constant *RHS) const {
+ return Fold(ConstantExpr::getNSWAdd(LHS, RHS));
+ }
+ Constant *CreateNUWAdd(Constant *LHS, Constant *RHS) const {
+ return Fold(ConstantExpr::getNUWAdd(LHS, RHS));
+ }
+ Constant *CreateFAdd(Constant *LHS, Constant *RHS) const {
+ return Fold(ConstantExpr::getFAdd(LHS, RHS));
+ }
Constant *CreateSub(Constant *LHS, Constant *RHS) const {
return Fold(ConstantExpr::getSub(LHS, RHS));
}
+ Constant *CreateNSWSub(Constant *LHS, Constant *RHS) const {
+ return Fold(ConstantExpr::getNSWSub(LHS, RHS));
+ }
+ Constant *CreateNUWSub(Constant *LHS, Constant *RHS) const {
+ return Fold(ConstantExpr::getNUWSub(LHS, RHS));
+ }
+ Constant *CreateFSub(Constant *LHS, Constant *RHS) const {
+ return Fold(ConstantExpr::getFSub(LHS, RHS));
+ }
Constant *CreateMul(Constant *LHS, Constant *RHS) const {
return Fold(ConstantExpr::getMul(LHS, RHS));
}
+ Constant *CreateNSWMul(Constant *LHS, Constant *RHS) const {
+ return Fold(ConstantExpr::getNSWMul(LHS, RHS));
+ }
+ Constant *CreateNUWMul(Constant *LHS, Constant *RHS) const {
+ return Fold(ConstantExpr::getNUWMul(LHS, RHS));
+ }
+ Constant *CreateFMul(Constant *LHS, Constant *RHS) const {
+ return Fold(ConstantExpr::getFMul(LHS, RHS));
+ }
Constant *CreateUDiv(Constant *LHS, Constant *RHS) const {
return Fold(ConstantExpr::getUDiv(LHS, RHS));
}
Constant *CreateSDiv(Constant *LHS, Constant *RHS) const {
return Fold(ConstantExpr::getSDiv(LHS, RHS));
}
+ Constant *CreateExactSDiv(Constant *LHS, Constant *RHS) const {
+ return Fold(ConstantExpr::getExactSDiv(LHS, RHS));
+ }
Constant *CreateFDiv(Constant *LHS, Constant *RHS) const {
return Fold(ConstantExpr::getFDiv(LHS, RHS));
}
Constant *CreateNeg(Constant *C) const {
return Fold(ConstantExpr::getNeg(C));
}
+ Constant *CreateNSWNeg(Constant *C) const {
+ return Fold(ConstantExpr::getNSWNeg(C));
+ }
+ Constant *CreateNUWNeg(Constant *C) const {
+ return Fold(ConstantExpr::getNUWNeg(C));
+ }
+ Constant *CreateFNeg(Constant *C) const {
+ return Fold(ConstantExpr::getFNeg(C));
+ }
Constant *CreateNot(Constant *C) const {
return Fold(ConstantExpr::getNot(C));
}
return Fold(ConstantExpr::getGetElementPtr(C, IdxList, NumIdx));
}
+ Constant *CreateInBoundsGetElementPtr(Constant *C, Constant* const *IdxList,
+ unsigned NumIdx) const {
+ return Fold(ConstantExpr::getInBoundsGetElementPtr(C, IdxList, NumIdx));
+ }
+ Constant *CreateInBoundsGetElementPtr(Constant *C, Value* const *IdxList,
+ unsigned NumIdx) const {
+ return Fold(ConstantExpr::getInBoundsGetElementPtr(C, IdxList, NumIdx));
+ }
+
//===--------------------------------------------------------------------===//
// Cast/Conversion Operators
//===--------------------------------------------------------------------===//
return C; // avoid calling Fold
return Fold(ConstantExpr::getIntegerCast(C, DestTy, isSigned));
}
-
+ Constant *CreatePointerCast(Constant *C, const Type *DestTy) const {
+ return ConstantExpr::getPointerCast(C, DestTy);
+ }
Constant *CreateBitCast(Constant *C, const Type *DestTy) const {
return CreateCast(Instruction::BitCast, C, DestTy);
}
Constant *CreatePtrToInt(Constant *C, const Type *DestTy) const {
return CreateCast(Instruction::PtrToInt, C, DestTy);
}
+ Constant *CreateZExtOrBitCast(Constant *C, const Type *DestTy) const {
+ if (C->getType() == DestTy)
+ return C; // avoid calling Fold
+ return Fold(ConstantExpr::getZExtOrBitCast(C, DestTy));
+ }
+ Constant *CreateSExtOrBitCast(Constant *C, const Type *DestTy) const {
+ if (C->getType() == DestTy)
+ return C; // avoid calling Fold
+ return Fold(ConstantExpr::getSExtOrBitCast(C, DestTy));
+ }
Constant *CreateTruncOrBitCast(Constant *C, const Type *DestTy) const {
if (C->getType() == DestTy)
return C; // avoid calling Fold
// Compare Instructions
//===--------------------------------------------------------------------===//
- Constant *CreateCompare(CmpInst::Predicate P, Constant *LHS, Constant *RHS) const {
+ Constant *CreateICmp(CmpInst::Predicate P, Constant *LHS,
+ Constant *RHS) const {
+ return Fold(ConstantExpr::getCompare(P, LHS, RHS));
+ }
+ Constant *CreateFCmp(CmpInst::Predicate P, Constant *LHS,
+ Constant *RHS) const {
return Fold(ConstantExpr::getCompare(P, LHS, RHS));
}
return Fold(ConstantExpr::getExtractElement(Vec, Idx));
}
- Constant *CreateInsertElement(Constant *Vec, Constant *NewElt, Constant *Idx)const {
+ Constant *CreateInsertElement(Constant *Vec, Constant *NewElt,
+ Constant *Idx) const {
return Fold(ConstantExpr::getInsertElement(Vec, NewElt, Idx));
}
- Constant *CreateShuffleVector(Constant *V1, Constant *V2, Constant *Mask) const {
+ Constant *CreateShuffleVector(Constant *V1, Constant *V2,
+ Constant *Mask) const {
return Fold(ConstantExpr::getShuffleVector(V1, V2, Mask));
}