[all-commits] [llvm/llvm-project] 818bff: RegAlloc: Fix failure on undef use when all regist...

[Matt Arsenault via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 818bffcb1c454da8ec778327bde3d974dfe44550
      https://github.com/llvm/llvm-project/commit/818bffcb1c454da8ec778327bde3d974dfe44550
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2024-12-16 (Mon, 16 Dec 2024)

  Changed paths:
    M llvm/lib/CodeGen/RegAllocFast.cpp
    M llvm/lib/CodeGen/RegAllocGreedy.cpp
    M llvm/test/CodeGen/AMDGPU/ran-out-of-registers-error-all-regs-reserved.ll

  Log Message:
  -----------
  RegAlloc: Fix failure on undef use when all registers are reserved (#119647)

Greedy and fast would hit different assertions on undef uses if all
registers in a class were reserved.



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