[PATCH] D106585: Fix clang debug info irgen of i128 enums
Arthur Eubanks via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Fri Dec 3 11:08:24 PST 2021
aeubanks added a comment.
In D106585#3170019 <https://reviews.llvm.org/D106585#3170019>, @aeubanks wrote:
> In D106585#3169898 <https://reviews.llvm.org/D106585#3169898>, @rnk wrote:
>
>> This usage of isSameValue seems suspicious: https://github.com/llvm/llvm-project/blob/main/llvm/lib/IR/LLVMContextImpl.h#L389
>>
>> It seems to allow the possibility that APInts of differing bitwidth compare equal, but the hash value incorporates the bitwidth, so they may be inserted into differing hash buckets.
>
> yup, also checking the bit width makes the non-determinism go away, I'll send out a patch
https://reviews.llvm.org/D115054
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rG LLVM Github Monorepo
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https://reviews.llvm.org/D106585/new/
https://reviews.llvm.org/D106585
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