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[VPlan] Keep start value of VPWidenPHIRecipe as VPValue.

Authored by fhahn on Sat, Jan 9, 8:34 AM.

Description

[VPlan] Keep start value of VPWidenPHIRecipe as VPValue.

Similar to D92129, update VPWidenPHIRecipe to manage the start value as
VPValue. This allows adjusting the start value as a VPlan transform,
which will be used in a follow-up patch to support reductions during
epilogue vectorization.

Reviewed By: gilr

Differential Revision: https://reviews.llvm.org/D93975

Details

Committed
fhahnSat, Jan 9, 8:34 AM
Reviewer
gilr
Differential Revision
D93975: [VPlan] Keep start value of VPWidenPHIRecipe as VPValue.
Parents
rG9f76788b0930: [clang][Sema] Compare SourceLocations directly [NFCI]
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