From ac5209e5fe8a09a9baf0c001ed8ada755f34336d Mon Sep 17 00:00:00 2001 From: Reid Spencer Date: Mon, 16 Oct 2006 23:08:08 +0000 Subject: [PATCH] Undo Chris' last patch, it caused a regression. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30991 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Transforms/Scalar/InstructionCombining.cpp | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/lib/Transforms/Scalar/InstructionCombining.cpp b/lib/Transforms/Scalar/InstructionCombining.cpp index 6654daff37d..f0961de5274 100644 --- a/lib/Transforms/Scalar/InstructionCombining.cpp +++ b/lib/Transforms/Scalar/InstructionCombining.cpp @@ -1970,10 +1970,10 @@ Instruction *InstCombiner::visitSub(BinaryOperator &I) { return BinaryOperator::createAnd(Op0, NewNot); } - // -(X sdiv C) -> (X sdiv -C) + // 0 - (X sdiv C) -> (X sdiv -C) if (Op1I->getOpcode() == Instruction::Div) if (ConstantSInt *CSI = dyn_cast(Op0)) - if (!CSI->isNullValue()) + if (CSI->isNullValue()) if (Constant *DivRHS = dyn_cast(Op1I->getOperand(1))) return BinaryOperator::createDiv(Op1I->getOperand(0), ConstantExpr::getNeg(DivRHS));