[PATCH] D60834: [AMDGPU] Uniform values being used outside loop marked non-divergent
Matt Arsenault via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon May 6 13:42:26 PDT 2019
arsenm added inline comments.
================
Comment at: lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp:92
+ // inside the loop but is non-uniform for uses outside the loop, without
+ // it here ISel doesn't get this information from DA
+ AU.addRequiredID(LCSSAID);
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A little more about why it doesn’t get this information would be good
Repository:
rL LLVM
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D60834/new/
https://reviews.llvm.org/D60834
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