[all-commits] [llvm/llvm-project] d37504: [TableGen][GISel] Improve dead register handling (...

[Sergei Barannikov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: d3750412aa37ac982ef65bde84fed9bdff763996
      https://github.com/llvm/llvm-project/commit/d3750412aa37ac982ef65bde84fed9bdff763996
  Author: Sergei Barannikov <barannikov88 at gmail.com>
  Date:   2024-12-18 (Wed, 18 Dec 2024)

  Changed paths:
    M llvm/test/CodeGen/X86/GlobalISel/select-intrinsic-x86-flags-read-u32.mir
    M llvm/test/TableGen/GlobalISelEmitter-nested-subregs.td
    M llvm/test/TableGen/GlobalISelEmitterRegSequence.td
    M llvm/test/TableGen/GlobalISelEmitterSubreg.td
    M llvm/utils/TableGen/GlobalISelEmitter.cpp

  Log Message:
  -----------
  [TableGen][GISel] Improve dead register handling (#120426)

A dead implicit def wasn't marked as dead if it is also an implicit use.
The new approach should also be more straightforward and simplifies
future changes for supporting optional defs and physical register defs.

Pull Request: https://github.com/llvm/llvm-project/pull/120426



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