From b9e981304bf1eff6d4a812d91c8aaa686457e230 Mon Sep 17 00:00:00 2001 From: Devang Patel Date: Mon, 15 Oct 2007 15:31:35 +0000 Subject: [PATCH] Achieve same result but use fewer lines of code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42985 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Transforms/Scalar/InstructionCombining.cpp | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) diff --git a/lib/Transforms/Scalar/InstructionCombining.cpp b/lib/Transforms/Scalar/InstructionCombining.cpp index 3edc86b93d2..29223daab7a 100644 --- a/lib/Transforms/Scalar/InstructionCombining.cpp +++ b/lib/Transforms/Scalar/InstructionCombining.cpp @@ -7674,14 +7674,13 @@ Instruction *InstCombiner::visitCallInst(CallInst &CI) { unsigned Align = cast(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);