[PATCH] D137947: [AArch64][SVE] Add instcombine to convert ptest.last/first to ptest.any
Cullen Rhodes via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Nov 14 07:57:58 PST 2022
c-rhodes accepted this revision.
c-rhodes added a comment.
This revision is now accepted and ready to land.
just one suggestion but otherwise LGTM, cheers
================
Comment at: llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp:983
+ Builder.SetInsertPoint(&II);
+
+ if (PgVal == OpVal &&
----------------
perhaps worth adding a comment describing the combine?
```PTEST_<FIRST|LAST>(X, X) is equivalent to PTEST_ANY(X, X).
Repository:
rG LLVM Github Monorepo
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https://reviews.llvm.org/D137947/new/
https://reviews.llvm.org/D137947
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