[PATCH] D158642: LoopUnrollRuntime: Add weights to all branches

Matthias Braun via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Sep 11 13:29:56 PDT 2023


MatzeB updated this revision to Diff 556479.
MatzeB added a comment.

Rework formula for prolog/epilog loop-backedge weights as suggested by @wenlei .


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D158642/new/

https://reviews.llvm.org/D158642

Files:
  llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp
  llvm/test/Transforms/LoopUnroll/runtime-exit-phi-scev-invalidation.ll
  llvm/test/Transforms/LoopUnroll/runtime-loop-branchweight.ll
  llvm/test/Transforms/LoopUnroll/runtime-loop.ll
  llvm/test/Transforms/LoopUnroll/unroll-heuristics-pgo.ll

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