[PATCH] D115130: [AMDGPU][GlobalISel] Handle hasPostISelHook for atomic inst without return.

[Abinav Puthan Purayil via Phabricator via llvm-commits]

abinavpp created this revision.
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This change copies the SelectionDAG's handling of hasPostISelHook for
atomic instructions with no use to global-isel. This will enable
selecting the no return version of the atomic instructions in
global-isel.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D115130

Files:
  llvm/lib/Target/AMDGPU/SIISelLowering.cpp
  llvm/lib/Target/AMDGPU/SIISelLowering.h
  llvm/test/CodeGen/AMDGPU/GlobalISel/atomic_optimizations_mul_one.ll
  llvm/test/CodeGen/AMDGPU/GlobalISel/fp64-atomics-gfx90a.ll
  llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-amdgpu-atomic-cmpxchg-flat.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-amdgpu-atomic-cmpxchg-global.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-atomicrmw-add-flat.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-atomicrmw-add-global.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-atomicrmw-fadd-local.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-atomicrmw-fadd-region.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.atomic.dec.ll
  llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.atomic.inc.ll
  llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.ds.fadd.ll
  llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.ds.fmax.ll
  llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.ds.fmin.ll
  llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.global.atomic.fadd.ll
  llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.raw.buffer.atomic.add.ll
  llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.raw.buffer.atomic.fadd.ll
  llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.struct.buffer.atomic.add.ll
  llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.struct.buffer.atomic.fadd.ll
  llvm/test/CodeGen/AMDGPU/fp-min-max-atomics.ll
  llvm/test/CodeGen/AMDGPU/fp-min-max-global-atomics-gfx10.ll
  llvm/test/CodeGen/AMDGPU/lds-atomic-fmin-fmax.ll