[all-commits] [llvm/llvm-project] 5ddc8b: [AMDGPU] add buffer_atomic_swap for float

[Ruiling, Song via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 5ddc8b49babbbad8b00de6bd410b77c9ade8b325
      https://github.com/llvm/llvm-project/commit/5ddc8b49babbbad8b00de6bd410b77c9ade8b325
  Author: Ruiling Song <ruiling.song at amd.com>
  Date:   2020-08-06 (Thu, 06 Aug 2020)

  Changed paths:
    M llvm/lib/Target/AMDGPU/BUFInstructions.td
    M llvm/test/CodeGen/AMDGPU/llvm.amdgcn.raw.buffer.atomic.ll
    M llvm/test/CodeGen/AMDGPU/llvm.amdgcn.struct.buffer.atomic.ll

  Log Message:
  -----------
  [AMDGPU] add buffer_atomic_swap for float

The functionality is used when calling imageAtomicExhange() on float
type imageBuffer in Graphics shaders.

Reviewed By: arsenm

Differential Revision: https://reviews.llvm.org/D85187