From 9a1c7dd27ab14725beb4c4f2810124cd561cc99d Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Sun, 15 Oct 2006 22:42:15 +0000
Subject: fix a buggy check that accidentally disabled this xform

llvm-svn: 30967
---
 llvm/lib/Transforms/Scalar/InstructionCombining.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'llvm/lib')

diff --git a/llvm/lib/Transforms/Scalar/InstructionCombining.cpp b/llvm/lib/Transforms/Scalar/InstructionCombining.cpp
index 739493e2740..6654daff37d 100644
--- a/llvm/lib/Transforms/Scalar/InstructionCombining.cpp
+++ b/llvm/lib/Transforms/Scalar/InstructionCombining.cpp
@@ -1973,7 +1973,7 @@ Instruction *InstCombiner::visitSub(BinaryOperator &I) {
       // -(X sdiv C)  -> (X sdiv -C)
       if (Op1I->getOpcode() == Instruction::Div)
         if (ConstantSInt *CSI = dyn_cast<ConstantSInt>(Op0))
-          if (CSI->isNullValue())
+          if (!CSI->isNullValue())
             if (Constant *DivRHS = dyn_cast<Constant>(Op1I->getOperand(1)))
               return BinaryOperator::createDiv(Op1I->getOperand(0),
                                                ConstantExpr::getNeg(DivRHS));
-- 
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