[llvm] [VPlan] Update scalar induction resume values in VPlan. (PR #110577)
via llvm-commits
llvm-commits at lists.llvm.org
Thu Nov 14 16:05:14 PST 2024
================
@@ -512,16 +512,17 @@ class InnerLoopVectorizer {
/// Fix the non-induction PHIs in \p Plan.
void fixNonInductionPHIs(VPTransformState &State);
- /// Create a new phi node for the induction variable \p OrigPhi to resume
- /// iteration count in the scalar epilogue, from where the vectorized loop
- /// left off. \p Step is the SCEV-expanded induction step to use. In cases
- /// where the loop skeleton is more complicated (i.e., epilogue vectorization)
- /// and the resume values can come from an additional bypass block, the \p
- /// AdditionalBypass pair provides information about the bypass block and the
- /// end value on the edge from bypass to this loop.
- PHINode *createInductionResumeValue(
+ /// Create a ResumePHI VPInstruction for the induction variable \p OrigPhi to
+ /// resume iteration count in the scalar epilogue, from where the vectorized
+ /// loop left off and add it the scalar preheader of the VPlan. \p Step is the
----------------
ayalz wrote:
```suggestion
/// loop left off, and add it to the scalar preheader of VPlan. \p Step is the
```
https://github.com/llvm/llvm-project/pull/110577
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