[all-commits] [llvm/llvm-project] 35ea32: [AMDGPU] Try to avoid inserting duplicate s_inst_p...

[Carl Ritson via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 35ea326047ef1220f26dc69593db9842a7dfeec1
      https://github.com/llvm/llvm-project/commit/35ea326047ef1220f26dc69593db9842a7dfeec1
  Author: Carl Ritson <carl.ritson at amd.com>
  Date:   2022-04-14 (Thu, 14 Apr 2022)

  Changed paths:
    M llvm/lib/Target/AMDGPU/SIISelLowering.cpp
    M llvm/test/CodeGen/AMDGPU/no-dup-inst-prefetch.ll

  Log Message:
  -----------
  [AMDGPU] Try to avoid inserting duplicate s_inst_prefetch

Check for existing s_inst_prefetch instructions when
configuring prefetches during loop alignment.

Reviewed By: rampitec, foad

Differential Revision: https://reviews.llvm.org/D123569