[all-commits] [llvm/llvm-project] 5e9dfb: VirtRegRewriter: Fix verifier errors after assigni...

[Matt Arsenault via All-commits]

  Branch: refs/heads/users/arsenm/virtregrewriter-fix-verifier-errors-after-regalloc-failure
  Home:   https://github.com/llvm/llvm-project
  Commit: 5e9dfb2e82419a87e36ab4b8aa6d119dfadeb02e
      https://github.com/llvm/llvm-project/commit/5e9dfb2e82419a87e36ab4b8aa6d119dfadeb02e
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2025-02-22 (Sat, 22 Feb 2025)

  Changed paths:
    M llvm/lib/CodeGen/VirtRegMap.cpp
    M llvm/test/CodeGen/AMDGPU/illegal-eviction-assert.mir
    M llvm/test/CodeGen/AMDGPU/issue48473.mir
    M llvm/test/CodeGen/AMDGPU/ran-out-of-registers-error-all-regs-reserved.ll
    M llvm/test/CodeGen/AMDGPU/regalloc-failure-overlapping-insert-assert.mir
    M llvm/test/CodeGen/AMDGPU/remaining-virtual-register-operands.ll
    M llvm/test/CodeGen/X86/inline-asm-assertion.ll

  Log Message:
  -----------
  VirtRegRewriter: Fix verifier errors after assigning to reserved registers

In error situations we can emit assignments to reserved registers. Avoid
machine verifier errors in this case.



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