[PATCH] D106717: [SimplifyCFG] Don't speculatively execute BB[s] if it's predictably not taken

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri created this revision.
lebedev.ri added reviewers: spatel, efriedma.
lebedev.ri added a project: LLVM.
Herald added subscribers: wenlei, hiraditya.
lebedev.ri requested review of this revision.

Same as D106650 <https://reviews.llvm.org/D106650>, but for `FoldTwoEntryPHINode()`


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D106717

Files:
  llvm/lib/Transforms/Utils/SimplifyCFG.cpp
  llvm/test/Transforms/PGOProfile/chr.ll
  llvm/test/Transforms/SimplifyCFG/fold-two-entry-phi-node-with-one-block-profmd.ll
  llvm/test/Transforms/SimplifyCFG/fold-two-entry-phi-node-with-two-blocks-profmd.ll

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