[PATCH] D76707: [DAGCombine] Add basic optimizations for FREEZE in SelDag
Juneyoung Lee via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Mar 24 11:49:13 PDT 2020
aqjune marked an inline comment as done.
aqjune added a comment.
Thank you, I added a test.
================
Comment at: llvm/test/CodeGen/X86/freeze-combine.ll:18
+ ; CHECK: [[COPY:%[0-9]+]]:gr32 = COPY $edi
+ ; CHECK: [[COPY1:%[0-9]+]]:gr32 = COPY [[COPY]]
+ ; CHECK: $eax = COPY [[COPY1]]
----------------
This COPY seems to appear regardless of how many freezes are nested.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D76707/new/
https://reviews.llvm.org/D76707
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