[PATCH] D155218: [InstCombine] Optimize addition/subtraction operations of splats of vscale multiplied by a constant
Nikita Popov via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Aug 9 09:57:15 PDT 2023
nikic requested changes to this revision.
nikic added reviewers: nikic, goldstein.w.n.
nikic added a comment.
Herald added a subscriber: StephenFan.
Please make sure to pre-commit test coverage (https://llvm.org/docs/TestingGuide.html#precommit-workflow-for-tests). This is also missing some tests, in particular multi-use and negative tests.
Why are the LoopVectorize changes seen here not regressions (caused by a multi-use transform)? Why does this transform only operate on multiplies of vscale?
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https://reviews.llvm.org/D155218/new/
https://reviews.llvm.org/D155218
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