[PATCH] D48604: [AMDGPU] Enable LICM in the BE pipeline

[Stanislav Mekhanoshin via Phabricator via llvm-commits]

rampitec created this revision.
rampitec added reviewers: b-sumner, arsenm.
Herald added subscribers: t-tye, tpr, dstuttard, yaxunl, nhaehnle, wdng, kzhuravl.

This allows to hoist code portion to compute reciprocal of loop
invariant denominator in integer division after codegen prepare
expansion.


https://reviews.llvm.org/D48604

Files:
  lib/Target/AMDGPU/AMDGPUTargetMachine.cpp
  test/CodeGen/AMDGPU/amdpal_scratch_mergedshader.ll
  test/CodeGen/AMDGPU/collapse-endcf.ll
  test/CodeGen/AMDGPU/i1-copy-from-loop.ll
  test/CodeGen/AMDGPU/idiv-licm.ll
  test/CodeGen/AMDGPU/infinite-loop.ll
  test/CodeGen/AMDGPU/multilevel-break.ll
  test/CodeGen/AMDGPU/si-annotate-cf.ll
  test/CodeGen/AMDGPU/smrd.ll

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