[PATCH] D83676: AMDGPUPerfHintAnalysis: don't treat constant loads as large stride
Matt Arsenault via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Mar 31 05:59:33 PDT 2022
arsenm added inline comments.
================
Comment at: llvm/lib/Target/AMDGPU/AMDGPUPerfHintAnalysis.cpp:345-346
unsigned As = PT->getAddressSpace();
return As == AMDGPUAS::CONSTANT_ADDRESS ||
As == AMDGPUAS::CONSTANT_ADDRESS_32BIT;
}
----------------
This isn't really a good implementation. We use scalar loads in more cases and constant address space isn't a guarantee of SMEM loads
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D83676/new/
https://reviews.llvm.org/D83676
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