[PATCH] D74809: Include static prof data when collecting loop BBs

[Bill Wendling via Phabricator via llvm-commits]

void created this revision.
Herald added subscribers: llvm-commits, JDevlieghere, hiraditya.
Herald added a project: LLVM.
void added reviewers: yamauchi, nickdesaulniers.

If the programmer adds static profile data to a branch---i.e. uses
"__builtin_expect()" or similar---then we should honor it. Otherwise,
"__builtin_expect()" is ignored in crucial situations. So we trust that
the programmer knows what they're doing until proven wrong.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D74809

Files:
  llvm/lib/CodeGen/MachineBlockPlacement.cpp
  llvm/test/CodeGen/Hexagon/prof-early-if.ll
  llvm/test/CodeGen/X86/block-placement-2.ll
  llvm/test/CodeGen/X86/block-placement.ll
  llvm/test/CodeGen/X86/move_latch_to_loop_top.ll
  llvm/test/CodeGen/X86/ragreedy-bug.ll

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