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| author | Reid Spencer <rspencer@reidspencer.com> | 2006-10-16 23:08:08 +0000 |
|---|---|---|
| committer | Reid Spencer <rspencer@reidspencer.com> | 2006-10-16 23:08:08 +0000 |
| commit | 3c514959ddaeb31e0f4eaea9f1f28041e4a1a594 (patch) | |
| tree | 7ac7ca90eb880baf0971b658f134aa0f41bf25c3 /llvm/lib | |
| parent | 1367ff084df5aa8138d2cd17658750d4bf40d3f7 (diff) | |
| download | bcm5719-llvm-3c514959ddaeb31e0f4eaea9f1f28041e4a1a594.tar.gz bcm5719-llvm-3c514959ddaeb31e0f4eaea9f1f28041e4a1a594.zip | |
Undo Chris' last patch, it caused a regression.
llvm-svn: 30991
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/InstructionCombining.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/Scalar/InstructionCombining.cpp b/llvm/lib/Transforms/Scalar/InstructionCombining.cpp index 6654daff37d..f0961de5274 100644 --- a/llvm/lib/Transforms/Scalar/InstructionCombining.cpp +++ b/llvm/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<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)); |
