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| author | Ramkumar Ramachandra <ramkumar.ramachandra@codasip.com> | 2025-06-23 15:27:49 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-06-23 15:27:49 +0100 |
| commit | bb8c42e859871aaf6bbec78dee28f124d47348dd (patch) | |
| tree | d9ce8dc2dda236c00ac5336babbbcf62bc212550 /llvm/lib/Transforms/Utils/LoopUtils.cpp | |
| parent | 6d17eb5126b352c7929e2cfcd2440c3bd70ec907 (diff) | |
| download | llvm-bb8c42e859871aaf6bbec78dee28f124d47348dd.zip llvm-bb8c42e859871aaf6bbec78dee28f124d47348dd.tar.gz llvm-bb8c42e859871aaf6bbec78dee28f124d47348dd.tar.bz2 | |
[LV] Extend FindLastIV to unsigned case (#141752)
Split the FindLastIV RecurKind into SMax and UMax variants, depending on
the reduction op produced.
Diffstat (limited to 'llvm/lib/Transforms/Utils/LoopUtils.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/LoopUtils.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/Utils/LoopUtils.cpp b/llvm/lib/Transforms/Utils/LoopUtils.cpp index cf6b183..c50bb4a 100644 --- a/llvm/lib/Transforms/Utils/LoopUtils.cpp +++ b/llvm/lib/Transforms/Utils/LoopUtils.cpp @@ -1224,9 +1224,11 @@ Value *llvm::createAnyOfReduction(IRBuilderBase &Builder, Value *Src, } Value *llvm::createFindLastIVReduction(IRBuilderBase &Builder, Value *Src, - Value *Start, Value *Sentinel) { + RecurKind RdxKind, Value *Start, + Value *Sentinel) { + bool IsSigned = RecurrenceDescriptor::isSignedRecurrenceKind(RdxKind); Value *MaxRdx = Src->getType()->isVectorTy() - ? Builder.CreateIntMaxReduce(Src, true) + ? Builder.CreateIntMaxReduce(Src, IsSigned) : Src; // Correct the final reduction result back to the start value if the maximum // reduction is sentinel value. |