[GlobalISel] Add constant-folding of FP binops to combiner. #65230
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@arsenm this PR is ready for review |
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arsenm
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| @@ -2645,6 +2645,14 @@ void CombinerHelper::replaceInstWithConstant(MachineInstr &MI, APInt C) { | |||
| MI.eraseFromParent(); | |||
| } | |||
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| void CombinerHelper::replaceInstWithFConstant(MachineInstr &MI, ConstantFP *CFP) { | |||
| assert(MI.getNumDefs() == 1 && "Expected only one def?"); | |||
| APFloat C = CFP->getValueAPF(); | |||
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Don't really need this temporary copy
| void CombinerHelper::replaceInstWithFConstant(MachineInstr &MI, ConstantFP *CFP) { | ||
| assert(MI.getNumDefs() == 1 && "Expected only one def?"); | ||
| APFloat C = CFP->getValueAPF(); | ||
| Builder.setInstr(MI); |
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We should really just fix the combiner to always set the insert point before the apply
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I was waiting for you to approve before merging. |
For some reason GitHub makes it more difficult to find the approve without merge option |
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