From fc3ea6f4bcb227bf0b77c560b37210fd86d0cea3 Mon Sep 17 00:00:00 2001 From: Benjamin Kramer Date: Thu, 11 Jul 2013 16:05:50 +0000 Subject: Don't use a potentially expensive shift if all we want is one set bit. No functionality change. llvm-svn: 186095 --- llvm/lib/Transforms/Utils/SimplifyIndVar.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'llvm/lib/Transforms/Utils') diff --git a/llvm/lib/Transforms/Utils/SimplifyIndVar.cpp b/llvm/lib/Transforms/Utils/SimplifyIndVar.cpp index 41c207c3d5c..bf3442aeaaa 100644 --- a/llvm/lib/Transforms/Utils/SimplifyIndVar.cpp +++ b/llvm/lib/Transforms/Utils/SimplifyIndVar.cpp @@ -119,7 +119,7 @@ Value *SimplifyIndvar::foldIVUser(Instruction *UseInst, Instruction *IVOperand) return 0; D = ConstantInt::get(UseInst->getContext(), - APInt(BitWidth, 1).shl(D->getZExtValue())); + APInt::getOneBitSet(BitWidth, D->getZExtValue())); } FoldedExpr = SE->getUDivExpr(SE->getSCEV(IVSrc), SE->getSCEV(D)); } -- cgit v1.2.3