[PATCH] D100300: [AMDGPU] Refactor ds_read/ds_write related select code for better readability.
Mahesha S via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Apr 12 07:39:42 PDT 2021
hsmhsm added inline comments.
================
Comment at: llvm/lib/Target/AMDGPU/SIISelLowering.cpp:1415-1416
+ // Either, the alignment requirements are "enabled", or there is an
+ // unaligned LDS access related hardware bug though alignment requirements
+ // are "disabled". In either case, we need to check for proper alignment
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arsenm wrote:
> "related hardware bug" - no idea what this is referring to
This is actually referring to - https://github.com/llvm/llvm-project/blob/6c0a1ed3a94ff34e6d9500cdfd04858b1a6f72aa/llvm/lib/Target/AMDGPU/AMDGPU.td#L175
The boolean function hasLDSMisalignedBug() is used to track it.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D100300/new/
https://reviews.llvm.org/D100300
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