[all-commits] [llvm/llvm-project] 4cf8b2: [AMDGPU][PromoteAlloca] Correctly handle a variabl...

[bcahoon via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 4cf8b298cf1837e75243a299ddefd59e6ed80e1b
      https://github.com/llvm/llvm-project/commit/4cf8b298cf1837e75243a299ddefd59e6ed80e1b
  Author: bcahoon <59846893+bcahoon at users.noreply.github.com>
  Date:   2024-03-05 (Tue, 05 Mar 2024)

  Changed paths:
    M llvm/lib/Target/AMDGPU/AMDGPUPromoteAlloca.cpp
    A llvm/test/CodeGen/AMDGPU/promote-alloca-non-constant-index.ll

  Log Message:
  -----------
  [AMDGPU][PromoteAlloca] Correctly handle a variable vector index (#83597)

The promote alloca to vector transformation assumes that the
vector index is a constant value. If it is not a constant, then
either an assert occurs or the tranformation generates an
incorrect index.



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