[PATCH] D38915: AMDGPU: Fold immediate offset into BUFFER_LOAD_DWORD lowered from SMEM

[Marek Olšák via Phabricator via llvm-commits]

mareko created this revision.
Herald added subscribers: t-tye, tpr, dstuttard, yaxunl, wdng, kzhuravl.

-5.3% code size in affected shaders.

Changed stats only:

48486 shaders in 30489 tests
Totals:
SGPRS: 2086406 -> 2072430 (-0.67 %)
VGPRS: 1626872 -> 1627960 (0.07 %)
Spilled SGPRs: 7865 -> 7912 (0.60 %)
Code Size: 60978060 -> 60188764 (-1.29 %) bytes
Max Waves: 374530 -> 374342 (-0.05 %)

Totals from affected shaders:
SGPRS: 299664 -> 285688 (-4.66 %)
VGPRS: 233844 -> 234932 (0.47 %)
Spilled SGPRs: 3959 -> 4006 (1.19 %)
Code Size: 14905272 -> 14115976 (-5.30 %) bytes
Max Waves: 46202 -> 46014 (-0.41 %)


https://reviews.llvm.org/D38915

Files:
  lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp
  lib/Target/AMDGPU/SIInstrInfo.cpp
  lib/Target/AMDGPU/SIInstrInfo.h
  test/CodeGen/AMDGPU/smrd.ll

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