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[LV] Replace check with assert for reduction resume values (NFC). 

At this point, we need to have resume values for all inductions. If not,
this would result in silent mis-compiles.
This commit is contained in:
Florian Hahn 2022-10-08 16:26:08 +01:00
parent be858bda69
commit 73950f26f5
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1 changed files with 5 additions and 5 deletions
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10
llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
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@ -10498,11 +10498,11 @@ bool LoopVectorizePass::processLoop(Loop *L) {
// updated before vectorising the epilogue loop.
for (VPRecipeBase &R : Header->phis()) {
if (auto *ReductionPhi = dyn_cast<VPReductionPHIRecipe>(&R)) {
if (auto *Resume = MainILV.getReductionResumeValue(
ReductionPhi->getRecurrenceDescriptor())) {
VPValue *StartVal = BestEpiPlan.getOrAddExternalDef(Resume);
ReductionPhi->setOperand(0, StartVal);
}
Value *Resume = MainILV.getReductionResumeValue(
ReductionPhi->getRecurrenceDescriptor());
assert(Resume && "Must have a resume value.");
VPValue *StartVal = BestEpiPlan.getOrAddExternalDef(Resume);
ReductionPhi->setOperand(0, StartVal);
}
}