[PATCH] D85781: [BPI] Improve static heuristics for integer comparisons
Dávid Bolvanský via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Aug 11 14:10:38 PDT 2020
xbolva00 created this revision.
xbolva00 added a reviewer: ebrevnov.
Herald added subscribers: llvm-commits, hiraditya.
Herald added a project: LLVM.
xbolva00 requested review of this revision.
Similarly as for pointers, even for integers a == b is usually false.
GCC also uses this heuristic.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D85781
Files:
llvm/include/llvm/Analysis/BranchProbabilityInfo.h
llvm/lib/Analysis/BranchProbabilityInfo.cpp
llvm/test/Analysis/BranchProbabilityInfo/integer_heuristics.ll
llvm/test/Analysis/BranchProbabilityInfo/loop.ll
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