[all-commits] [llvm/llvm-project] 74e149: [AMDGPU][Attributor] Check the validity of a depen...

[Shilei Tian via All-commits]

  Branch: refs/heads/users/shiltian/check-validity-before-use
  Home:   https://github.com/llvm/llvm-project
  Commit: 74e1496ff3ac0ef5e9802e1b51caaef326d051f2
      https://github.com/llvm/llvm-project/commit/74e1496ff3ac0ef5e9802e1b51caaef326d051f2
  Author: Shilei Tian <i at tianshilei.me>
  Date:   2024-10-29 (Tue, 29 Oct 2024)

  Changed paths:
    M llvm/lib/Target/AMDGPU/AMDGPUAttributor.cpp

  Log Message:
  -----------
  [AMDGPU][Attributor] Check the validity of a dependent AA before using its value

Even though the Attributor framework can invalidate all its dependent AAs after
the current iteration, a dependent AA can still use the worst state of a
depending AA if it doesn't check the state of the depending AA.



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