[PATCH] D141471: [AArch64][SVE] Fix crash for DestructiveBinaryComm zero merging
Paul Walker via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Jan 17 05:25:28 PST 2023
paulwalker-arm added inline comments.
================
Comment at: llvm/lib/Target/AArch64/AArch64ExpandPseudoInsts.cpp:561
// prefixed_zeroing_mov for DestructiveBinary.
- assert((DOPRegIsUnique || AArch64::DestructiveBinary == DType) &&
+ assert((DOPRegIsUnique || (AArch64::DestructiveBinary == DType ||
+ AArch64::DestructiveBinaryComm == DType)) &&
----------------
paulwalker-arm wrote:
> paulwalker-arm wrote:
> > This being an || chain already in brackets I doubt you need these inner brackets.
> I think you've misunderstood my comment and have also introduced a bug. I meant there's no need for any new brackets i.e. you can write `(DOPRegIsUnique || AArch64::DestructiveBinary == DType || AArch64::DestructiveBinaryComm == DType) && ...`
>
> Also with the new update you've incorrectly replaced the `DestructiveBinaryComm` comparison within an assignment of `DType`.
I've pushed a fix.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D141471/new/
https://reviews.llvm.org/D141471
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