diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/InstructionCombining.cpp | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/llvm/lib/Transforms/Scalar/InstructionCombining.cpp b/llvm/lib/Transforms/Scalar/InstructionCombining.cpp index 3edc86b93d2..29223daab7a 100644 --- a/llvm/lib/Transforms/Scalar/InstructionCombining.cpp +++ b/llvm/lib/Transforms/Scalar/InstructionCombining.cpp @@ -7674,14 +7674,13 @@ Instruction *InstCombiner::visitCallInst(CallInst &CI) { unsigned Align = cast<ConstantInt>(CI.getOperand(4))->getZExtValue(); PointerType *NewPtrTy = NULL; // Destination pointer type is always i8 * - if (Size == 8) - NewPtrTy = PointerType::get(Type::Int64Ty); - else if (Size == 4) - NewPtrTy = PointerType::get(Type::Int32Ty); - else if (Size == 2) - NewPtrTy = PointerType::get(Type::Int16Ty); - else if (Size == 1) - NewPtrTy = PointerType::get(Type::Int8Ty); + // If Size is 8 then use Int64Ty + // If Size is 4 then use Int32Ty + // If Size is 2 then use Int16Ty + // If Size is 1 then use Int8Ty + if (Size && Size <=8 && !(Size&(Size-1))) + NewPtrTy = PointerType::get(IntegerType::get(Size<<3)); + if (NewPtrTy) { Value *Src = InsertCastBefore(Instruction::BitCast, CI.getOperand(2), NewPtrTy, CI); Value *Dest = InsertCastBefore(Instruction::BitCast, CI.getOperand(1), NewPtrTy, CI); |
