6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-02-14 17:34:41 +00:00
Code Issues Projects Releases Wiki Activity

Undo Chris' last patch, it caused a regression.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30991 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer 2006-10-16 23:08:08 +00:00
parent 348b00dc49
commit ac5209e5fe
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
lib/Transforms/Scalar/InstructionCombining.cpp
View File

@ -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));