[PATCH] D62430: [PPC] Correctly adjust branch probability in PPCReduceCRLogicals
Rong Xu via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue May 28 15:46:25 PDT 2019
xur added inline comments.
Comment at: lib/Target/PowerPC/PPCReduceCRLogicals.cpp:171
+ // It's impossible to know the precise branch probability after the split.
+ // But it still need to be reasonable, the whole probability to original
+ // targets should not be changed.
NIT: (1) "need" -> "needs".
(2) Please also explain what is P0, P1, P2. A diagram would be helpful.
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