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ConstProp: drop select folding

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no instcountci changes.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
This commit is contained in:
Alyssa Rosenzweig 2024-05-19 16:32:36 -04:00
parent 259e1b75a4
commit ec3b72e17e
1 changed files with 0 additions and 17 deletions
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17
FEXCore/Source/Interface/IR/Passes/ConstProp.cpp
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@ -907,23 +907,6 @@ bool ConstProp::ConstantPropagation(IREmitter* IREmit, const IRListView& Current
}
break;
}
case OP_SELECT: {
auto Op = IROp->C<IR::IROp_Select>();
uint64_t Constant1 {};
uint64_t Constant2 {};
if (IREmit->IsValueConstant(IROp->Args[0], &Constant1) && IREmit->IsValueConstant(IROp->Args[1], &Constant2) && Op->Cond == COND_EQ) {
Constant1 &= getMask(IROp);
Constant2 &= getMask(IROp);
bool is_true = Constant1 == Constant2;
IREmit->ReplaceAllUsesWith(CodeNode, CurrentIR.GetNode(IROp->Args[is_true ? 2 : 3]));
Changed = true;
}
break;
}
default: break;
}