diff options
Diffstat (limited to 'lib/Transforms/InstCombine/InstCombineCasts.cpp')
| -rw-r--r-- | lib/Transforms/InstCombine/InstCombineCasts.cpp | 34 |
1 files changed, 16 insertions, 18 deletions
diff --git a/lib/Transforms/InstCombine/InstCombineCasts.cpp b/lib/Transforms/InstCombine/InstCombineCasts.cpp index f99e457482..f10e48abf1 100644 --- a/lib/Transforms/InstCombine/InstCombineCasts.cpp +++ b/lib/Transforms/InstCombine/InstCombineCasts.cpp @@ -12,6 +12,7 @@ //===----------------------------------------------------------------------===// #include "InstCombine.h" +#include "llvm/Analysis/ConstantFolding.h" #include "llvm/Target/TargetData.h" #include "llvm/Support/PatternMatch.h" using namespace llvm; @@ -121,13 +122,13 @@ Instruction *InstCombiner::PromoteCastOfAllocation(BitCastInst &CI, } else { Amt = ConstantInt::get(AI.getArraySize()->getType(), Scale); // Insert before the alloca, not before the cast. - Amt = AllocaBuilder.CreateMul(Amt, NumElements, "tmp"); + Amt = AllocaBuilder.CreateMul(Amt, NumElements); } if (uint64_t Offset = (AllocElTySize*ArrayOffset)/CastElTySize) { Value *Off = ConstantInt::get(AI.getArraySize()->getType(), Offset, true); - Amt = AllocaBuilder.CreateAdd(Amt, Off, "tmp"); + Amt = AllocaBuilder.CreateAdd(Amt, Off); } AllocaInst *New = AllocaBuilder.CreateAlloca(CastElTy, Amt); @@ -456,7 +457,7 @@ Instruction *InstCombiner::visitTrunc(TruncInst &CI) { // Canonicalize trunc x to i1 -> (icmp ne (and x, 1), 0), likewise for vector. if (DestTy->getScalarSizeInBits() == 1) { Constant *One = ConstantInt::get(Src->getType(), 1); - Src = Builder->CreateAnd(Src, One, "tmp"); + Src = Builder->CreateAnd(Src, One); Value *Zero = Constant::getNullValue(Src->getType()); return new ICmpInst(ICmpInst::ICMP_NE, Src, Zero); } @@ -518,7 +519,7 @@ Instruction *InstCombiner::transformZExtICmp(ICmpInst *ICI, Instruction &CI, In->getType()->getScalarSizeInBits()-1); In = Builder->CreateLShr(In, Sh, In->getName()+".lobit"); if (In->getType() != CI.getType()) - In = Builder->CreateIntCast(In, CI.getType(), false/*ZExt*/, "tmp"); + In = Builder->CreateIntCast(In, CI.getType(), false/*ZExt*/); if (ICI->getPredicate() == ICmpInst::ICMP_SGT) { Constant *One = ConstantInt::get(In->getType(), 1); @@ -572,7 +573,7 @@ Instruction *InstCombiner::transformZExtICmp(ICmpInst *ICI, Instruction &CI, if ((Op1CV != 0) == isNE) { // Toggle the low bit. Constant *One = ConstantInt::get(In->getType(), 1); - In = Builder->CreateXor(In, One, "tmp"); + In = Builder->CreateXor(In, One); } if (CI.getType() == In->getType()) @@ -820,7 +821,7 @@ Instruction *InstCombiner::visitZExt(ZExtInst &CI) { AndValue)); } if (SrcSize > DstSize) { - Value *Trunc = Builder->CreateTrunc(A, CI.getType(), "tmp"); + Value *Trunc = Builder->CreateTrunc(A, CI.getType()); APInt AndValue(APInt::getLowBitsSet(DstSize, MidSize)); return BinaryOperator::CreateAnd(Trunc, ConstantInt::get(Trunc->getType(), @@ -867,7 +868,7 @@ Instruction *InstCombiner::visitZExt(ZExtInst &CI) { Value *TI0 = TI->getOperand(0); if (TI0->getType() == CI.getType()) { Constant *ZC = ConstantExpr::getZExt(C, CI.getType()); - Value *NewAnd = Builder->CreateAnd(TI0, ZC, "tmp"); + Value *NewAnd = Builder->CreateAnd(TI0, ZC); return BinaryOperator::CreateXor(NewAnd, ZC); } } @@ -900,7 +901,7 @@ Instruction *InstCombiner::transformSExtICmp(ICmpInst *ICI, Instruction &CI) { Op0->getType()->getScalarSizeInBits()-1); Value *In = Builder->CreateAShr(Op0, Sh, Op0->getName()+".lobit"); if (In->getType() != CI.getType()) - In = Builder->CreateIntCast(In, CI.getType(), true/*SExt*/, "tmp"); + In = Builder->CreateIntCast(In, CI.getType(), true/*SExt*/); if (Pred == ICmpInst::ICMP_SGT) In = Builder->CreateNot(In, In->getName()+".not"); @@ -1306,13 +1307,13 @@ Instruction *InstCombiner::visitIntToPtr(IntToPtrInst &CI) { if (CI.getOperand(0)->getType()->getScalarSizeInBits() > TD->getPointerSizeInBits()) { Value *P = Builder->CreateTrunc(CI.getOperand(0), - TD->getIntPtrType(CI.getContext()), "tmp"); + TD->getIntPtrType(CI.getContext())); return new IntToPtrInst(P, CI.getType()); } if (CI.getOperand(0)->getType()->getScalarSizeInBits() < TD->getPointerSizeInBits()) { Value *P = Builder->CreateZExt(CI.getOperand(0), - TD->getIntPtrType(CI.getContext()), "tmp"); + TD->getIntPtrType(CI.getContext())); return new IntToPtrInst(P, CI.getType()); } } @@ -1359,9 +1360,8 @@ Instruction *InstCombiner::commonPointerCastTransforms(CastInst &CI) { // and bitcast the result. This eliminates one bitcast, potentially // two. Value *NGEP = cast<GEPOperator>(GEP)->isInBounds() ? - Builder->CreateInBoundsGEP(OrigBase, - NewIndices.begin(), NewIndices.end()) : - Builder->CreateGEP(OrigBase, NewIndices.begin(), NewIndices.end()); + Builder->CreateInBoundsGEP(OrigBase, NewIndices) : + Builder->CreateGEP(OrigBase, NewIndices); NGEP->takeName(GEP); if (isa<BitCastInst>(CI)) @@ -1382,14 +1382,12 @@ Instruction *InstCombiner::visitPtrToInt(PtrToIntInst &CI) { if (TD) { if (CI.getType()->getScalarSizeInBits() < TD->getPointerSizeInBits()) { Value *P = Builder->CreatePtrToInt(CI.getOperand(0), - TD->getIntPtrType(CI.getContext()), - "tmp"); + TD->getIntPtrType(CI.getContext())); return new TruncInst(P, CI.getType()); } if (CI.getType()->getScalarSizeInBits() > TD->getPointerSizeInBits()) { Value *P = Builder->CreatePtrToInt(CI.getOperand(0), - TD->getIntPtrType(CI.getContext()), - "tmp"); + TD->getIntPtrType(CI.getContext())); return new ZExtInst(P, CI.getType()); } } @@ -1693,7 +1691,7 @@ Instruction *InstCombiner::visitBitCast(BitCastInst &CI) { // If we found a path from the src to dest, create the getelementptr now. if (SrcElTy == DstElTy) { SmallVector<Value*, 8> Idxs(NumZeros+1, ZeroUInt); - return GetElementPtrInst::CreateInBounds(Src, Idxs.begin(), Idxs.end()); + return GetElementPtrInst::CreateInBounds(Src, Idxs); } } |