[all-commits] [llvm/llvm-project] 640cfb: [CIR][AMDGPU] Add support for AMDGCN permlane buil...

[Ayokunle Amodu via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 640cfb4e75bf88fa27d465fdfef0747d9aab8d28
      https://github.com/llvm/llvm-project/commit/640cfb4e75bf88fa27d465fdfef0747d9aab8d28
  Author: Ayokunle Amodu <ayokunle321 at gmail.com>
  Date:   2026-08-09 (Sun, 09 Aug 2026)

  Changed paths:
    M clang/lib/CIR/CodeGen/CIRGenBuiltinAMDGPU.cpp
    A clang/test/CIR/CodeGenHIP/builtins-amdgcn-gfx10.hip
    A clang/test/CIR/CodeGenHIP/builtins-amdgcn-gfx11.hip

  Log Message:
  -----------
  [CIR][AMDGPU] Add support for AMDGCN permlane builtins (#197526)

Adds codegen for the following AMDGCN permlane builtins:

- __builtin_amdgcn_permlane16
- __builtin_amdgcn_permlane64
- __builtin_amdgcn_permlanex16

These are lowered to the corresponding `llvm.amdgcn.permlane16`,
`llvm.amdgcn.permlanex16`, and `llvm.amdgcn.permlane64` intrinsics.



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