[all-commits] [llvm/llvm-project] e1616e: [BasicBlockSections] Always keep the entry block i...

[Rahman Lavaee via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e1616ef9d742ebcc226451c4ca5ec2204c460840
      https://github.com/llvm/llvm-project/commit/e1616ef9d742ebcc226451c4ca5ec2204c460840
  Author: Rahman Lavaee <rahmanl at google.com>
  Date:   2024-01-16 (Tue, 16 Jan 2024)

  Changed paths:
    M llvm/include/llvm/CodeGen/MachineBasicBlock.h
    M llvm/lib/CodeGen/BasicBlockSections.cpp
    M llvm/lib/CodeGen/BasicBlockSectionsProfileReader.cpp
    M llvm/test/CodeGen/X86/basic-block-sections-clusters-error.ll
    A llvm/test/CodeGen/X86/basic-block-sections-entryblock.ll

  Log Message:
  -----------
  [BasicBlockSections] Always keep the entry block in the beginning of the function. (#74696)

BasicBlockSections must enforce placing the entry block at the beginning
of the function regardless of the basic block sections profile.