[PATCH] D82049: Fix crash in VectorCombine when attempting to peephole ConstantVector sequences
Nikita Popov via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Fri Jun 19 08:05:23 PDT 2020
nikic added a comment.
Compile-time numbers: https://llvm-compile-time-tracker.com/compare.php?from=35651fdd4537c081ca47acde58b6fd4b5f6997b3&to=5ff2db86f51083878ff9a458a39b355a03b31e73&stat=instructions
It should be noted that while InstSimplify is cheap relative to InstCombine, it's likely a good bit more expansive than the actual VectorCombine itself :)
As the original patch does not look particularly complicated, I would prefer the more targeted fix.
Repository:
rG LLVM Github Monorepo
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https://reviews.llvm.org/D82049/new/
https://reviews.llvm.org/D82049
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