[all-commits] [llvm/llvm-project] c22db5: PeepholeOpt: Remove subreg def check for bitcast (...

[Matt Arsenault via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: c22db56d7766fe704298b81b548fa6004a9d312c
      https://github.com/llvm/llvm-project/commit/c22db56d7766fe704298b81b548fa6004a9d312c
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2025-03-07 (Fri, 07 Mar 2025)

  Changed paths:
    M llvm/lib/CodeGen/PeepholeOptimizer.cpp
    M llvm/test/CodeGen/X86/pr41619.ll

  Log Message:
  -----------
  PeepholeOpt: Remove subreg def check for bitcast (#130086)

Subregister defs are illegal in SSA. Surprisingly this enables folding
into subregister insert patterns in one test.



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