#define INSTCOMBINE_INSTCOMBINE_H
#include "InstCombineWorklist.h"
+#include "llvm/IntrinsicInst.h"
+#include "llvm/Operator.h"
#include "llvm/Pass.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/Support/IRBuilder.h"
namespace llvm {
class CallSite;
class TargetData;
+ class TargetLibraryInfo;
class DbgDeclareInst;
class MemIntrinsic;
class MemSetInst;
: public FunctionPass,
public InstVisitor<InstCombiner, Instruction*> {
TargetData *TD;
- bool MustPreserveLCSSA;
+ TargetLibraryInfo *TLI;
bool MadeIRChange;
public:
/// Worklist - All of the instructions that need to be simplified.
bool DoOneIteration(Function &F, unsigned ItNum);
virtual void getAnalysisUsage(AnalysisUsage &AU) const;
-
+
TargetData *getTargetData() const { return TD; }
+ TargetLibraryInfo *getTargetLibraryInfo() const { return TLI; }
+
// Visitation implementation - Implement instruction combining for different
// instruction types. The semantics are as follows:
// Return Value:
//
Instruction *visitAdd(BinaryOperator &I);
Instruction *visitFAdd(BinaryOperator &I);
- Value *OptimizePointerDifference(Value *LHS, Value *RHS, const Type *Ty);
+ Value *OptimizePointerDifference(Value *LHS, Value *RHS, Type *Ty);
Instruction *visitSub(BinaryOperator &I);
Instruction *visitFSub(BinaryOperator &I);
Instruction *visitMul(BinaryOperator &I);
Instruction *visitExtractElementInst(ExtractElementInst &EI);
Instruction *visitShuffleVectorInst(ShuffleVectorInst &SVI);
Instruction *visitExtractValueInst(ExtractValueInst &EV);
+ Instruction *visitLandingPadInst(LandingPadInst &LI);
// visitInstruction - Specify what to return for unhandled instructions...
Instruction *visitInstruction(Instruction &I) { return 0; }
private:
- bool ShouldChangeType(const Type *From, const Type *To) const;
+ bool ShouldChangeType(Type *From, Type *To) const;
Value *dyn_castNegVal(Value *V) const;
Value *dyn_castFNegVal(Value *V) const;
- const Type *FindElementAtOffset(const Type *Ty, int64_t Offset,
+ Type *FindElementAtOffset(Type *Ty, int64_t Offset,
SmallVectorImpl<Value*> &NewIndices);
Instruction *FoldOpIntoSelect(Instruction &Op, SelectInst *SI);
/// the cast can be eliminated by some other simple transformation, we prefer
/// to do the simplification first.
bool ShouldOptimizeCast(Instruction::CastOps opcode,const Value *V,
- const Type *Ty);
+ Type *Ty);
Instruction *visitCallSite(CallSite CS);
Instruction *tryOptimizeCall(CallInst *CI, const TargetData *TD);
bool transformConstExprCastCall(CallSite CS);
- Instruction *transformCallThroughTrampoline(CallSite CS);
+ Instruction *transformCallThroughTrampoline(CallSite CS,
+ IntrinsicInst *Tramp);
Instruction *transformZExtICmp(ICmpInst *ICI, Instruction &CI,
bool DoXform = true);
Instruction *transformSExtICmp(ICmpInst *ICI, Instruction &CI);
Worklist.Add(New);
return New;
}
-
+
+ // InsertNewInstWith - same as InsertNewInstBefore, but also sets the
+ // debug loc.
+ //
+ Instruction *InsertNewInstWith(Instruction *New, Instruction &Old) {
+ New->setDebugLoc(Old.getDebugLoc());
+ return InsertNewInstBefore(New, Old);
+ }
+
// ReplaceInstUsesWith - This method is to be used when an instruction is
// found to be dead, replacable with another preexisting expression. Here
// we add all uses of I to the worklist, replace all uses of I with the new
Instruction *SimplifyMemSet(MemSetInst *MI);
- Value *EvaluateInDifferentType(Value *V, const Type *Ty, bool isSigned);
+ Value *EvaluateInDifferentType(Value *V, Type *Ty, bool isSigned);
};