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| author | Zi Xuan Wu (Zeson) <zixuan.wu@linux.alibaba.com> | 2022-09-14 15:52:27 +0800 |
|---|---|---|
| committer | Zi Xuan Wu <zixuan.wu@linux.alibaba.com> | 2022-09-19 14:22:43 +0800 |
| commit | a42053a1fa81c3041ba4140c476a766ef71010b2 (patch) | |
| tree | 029c16360b7b09a1b61a26e7c2e88699fcef2d68 /llvm/lib/Transforms/Utils/LoopSimplify.cpp | |
| parent | 2e74157ad47b18959ac03e0e5000cd0a15fe76e0 (diff) | |
| download | llvm-a42053a1fa81c3041ba4140c476a766ef71010b2.zip llvm-a42053a1fa81c3041ba4140c476a766ef71010b2.tar.gz llvm-a42053a1fa81c3041ba4140c476a766ef71010b2.tar.bz2 | |
[llvm-tblgen] CodeGenSchedModels::hasReadOfWrite gets wrong predication result
CodeGenSchedModels::hasReadOfWrite tries to predicate whether the WriteDef is contained in the list of ValidWrites of someone ProcReadAdvance,
so that WriteID of WriteDef can be compressed and reusable.
It tries to iterate all ProcReadAdvance entry, but not all ProcReadAdvance defs also inherit from SchedRead.
Some ProcReadAdvances are defined by ReadAdvance.So it's not complete to enumerate all ProcReadAdvances if just iterate all SchedReads.
Differential Revision: https://reviews.llvm.org/D132205
Diffstat (limited to 'llvm/lib/Transforms/Utils/LoopSimplify.cpp')
0 files changed, 0 insertions, 0 deletions