[llvm] [VPlan] Add VPValue for VF, use it for VPWidenIntOrFpInductionRecipe. (PR #95305)
Florian Hahn via llvm-commits
llvm-commits at lists.llvm.org
Tue Jul 16 06:47:04 PDT 2024
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@@ -814,8 +814,21 @@ void VPlan::prepareToExecute(Value *TripCountV, Value *VectorTripCountV,
IRBuilder<> Builder(State.CFG.PrevBB->getTerminator());
// FIXME: Model VF * UF computation completely in VPlan.
- VFxUF.setUnderlyingValue(
- createStepForVF(Builder, TripCountV->getType(), State.VF, State.UF));
+ Value *RuntimeVF = nullptr;
+ if (VF.getNumUsers()) {
+ RuntimeVF = createStepForVF(Builder, TripCountV->getType(), State.VF, 1);
+ VF.setUnderlyingValue(RuntimeVF);
+ }
+ if (RuntimeVF) {
+ VFxUF.setUnderlyingValue(
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fhahn wrote:
Adjusted, thanks!
https://github.com/llvm/llvm-project/pull/95305
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