[PATCH] D123717: [DWARF][FIX] Handle the use of multiple registers gracefully
Johannes Doerfert via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Apr 13 12:50:14 PDT 2022
jdoerfert created this revision.
jdoerfert added reviewers: arsenm, dblaikie.
Herald added subscribers: kerbowa, bollu, hiraditya, tpr, jvesely.
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Herald added subscribers: sstefan1, wdng.
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Certain applications crashed for us with the AMDGPU backend. While this
is not a proper fix it allows us to compile the code for now. I left a
TODO for someone that understands DWARF.
I used a reproducer that has way too much debug info but I am unsure how
to get rid of it reasonably.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D123717
Files:
llvm/lib/CodeGen/AsmPrinter/DwarfExpression.cpp
llvm/test/CodeGen/AMDGPU/dwarf-multi-register-use-crash.ll
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