[PATCH] D88315: [AMDGPU] Do not generate mul with 1 in AMDGPU Atomic Optimizer

[Mirko Brkusanin via Phabricator via llvm-commits]

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Check if operand of mul is constant value of one for certain atomic 
instructions in order to avoid making unnecessary instructions when
-amdgpu-atomic-optimizer is present.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D88315

Files:
  llvm/lib/Target/AMDGPU/AMDGPUAtomicOptimizer.cpp
  llvm/test/CodeGen/AMDGPU/atomic_optimizations_mul_one.mir

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