diff options
Diffstat (limited to 'lib/Transforms/InstCombine/InstCombineCasts.cpp')
| -rw-r--r-- | lib/Transforms/InstCombine/InstCombineCasts.cpp | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/lib/Transforms/InstCombine/InstCombineCasts.cpp b/lib/Transforms/InstCombine/InstCombineCasts.cpp index 555b442..bb59db8 100644 --- a/lib/Transforms/InstCombine/InstCombineCasts.cpp +++ b/lib/Transforms/InstCombine/InstCombineCasts.cpp @@ -13,7 +13,7 @@ #include "InstCombine.h" #include "llvm/Analysis/ConstantFolding.h" -#include "llvm/Target/TargetData.h" +#include "llvm/DataLayout.h" #include "llvm/Target/TargetLibraryInfo.h" #include "llvm/Support/PatternMatch.h" using namespace llvm; @@ -78,7 +78,7 @@ static Value *DecomposeSimpleLinearExpr(Value *Val, unsigned &Scale, /// try to eliminate the cast by moving the type information into the alloc. Instruction *InstCombiner::PromoteCastOfAllocation(BitCastInst &CI, AllocaInst &AI) { - // This requires TargetData to get the alloca alignment and size information. + // This requires DataLayout to get the alloca alignment and size information. if (!TD) return 0; PointerType *PTy = cast<PointerType>(CI.getType()); @@ -229,7 +229,7 @@ isEliminableCastPair( const CastInst *CI, ///< The first cast instruction unsigned opcode, ///< The opcode of the second cast instruction Type *DstTy, ///< The target type for the second cast instruction - TargetData *TD ///< The target data for pointer size + DataLayout *TD ///< The target data for pointer size ) { Type *SrcTy = CI->getOperand(0)->getType(); // A from above @@ -238,17 +238,20 @@ isEliminableCastPair( // Get the opcodes of the two Cast instructions Instruction::CastOps firstOp = Instruction::CastOps(CI->getOpcode()); Instruction::CastOps secondOp = Instruction::CastOps(opcode); - + Type *SrcIntPtrTy = TD && SrcTy->isPtrOrPtrVectorTy() ? + TD->getIntPtrType(SrcTy) : 0; + Type *MidIntPtrTy = TD && MidTy->isPtrOrPtrVectorTy() ? + TD->getIntPtrType(MidTy) : 0; + Type *DstIntPtrTy = TD && DstTy->isPtrOrPtrVectorTy() ? + TD->getIntPtrType(DstTy) : 0; unsigned Res = CastInst::isEliminableCastPair(firstOp, secondOp, SrcTy, MidTy, - DstTy, - TD ? TD->getIntPtrType(CI->getContext()) : 0); - + DstTy, SrcIntPtrTy, MidIntPtrTy, + DstIntPtrTy); + // We don't want to form an inttoptr or ptrtoint that converts to an integer // type that differs from the pointer size. - if ((Res == Instruction::IntToPtr && - (!TD || SrcTy != TD->getIntPtrType(CI->getContext()))) || - (Res == Instruction::PtrToInt && - (!TD || DstTy != TD->getIntPtrType(CI->getContext())))) + if ((Res == Instruction::IntToPtr && SrcTy != DstIntPtrTy) || + (Res == Instruction::PtrToInt && DstTy != SrcIntPtrTy)) Res = 0; return Instruction::CastOps(Res); |
