[all-commits] [llvm/llvm-project] ba385a: Reapply "RegisterCoalescer: Add implicit-def of su...

[Matt Arsenault via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: ba385ae210b3659bc9dfb78ef1d280d03c2c3b5a
      https://github.com/llvm/llvm-project/commit/ba385ae210b3659bc9dfb78ef1d280d03c2c3b5a
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2023-11-07 (Tue, 07 Nov 2023)

  Changed paths:
    M llvm/lib/CodeGen/RegisterCoalescer.cpp
    M llvm/test/CodeGen/AArch64/GlobalISel/arm64-pcsections.ll
    A llvm/test/CodeGen/X86/coalescer-breaks-subreg-to-reg-liveness.ll
    A llvm/test/CodeGen/X86/coalescing-subreg-to-reg-requires-subrange-update.mir
    A llvm/test/CodeGen/X86/subreg-to-reg-coalescing.mir

  Log Message:
  -----------
  Reapply "RegisterCoalescer: Add implicit-def of super register when coalescing SUBREG_TO_REG"

This reverts commit e0f86ca2004b2d87ffe3c1e8242650a29fa98a82.

This was hitting some assertions which have since been relaxed.