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TheRock/compiler/amd-llvm/llvm/test/CodeGen/AMDGPU/mcp-overlap-after-propagation.mir
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

25 lines
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# RUN: llc -mtriple=amdgcn -mcpu=gfx1010 %s -o - -run-pass machine-cp -verify-machineinstrs | FileCheck %s
# RUN: llc -mtriple=amdgcn -mcpu=gfx1100 %s -o - -run-pass machine-cp -verify-machineinstrs | FileCheck %s
#
# The MachineCopyPropagation bug being tested propagates s[60:67] into the copy
# into s[56:63], and then uses s[60:67] in the following
# IMAGE_SAMPLE_V3_V2_gfx10, even though it has just overwritten half of it.
# CHECK-LABEL: name: _amdgpu_ps_main
# CHECK-NOT: IMAGE_SAMPLE_V3_V2_gfx10 {{.*}} $sgpr60_sgpr61_sgpr62_sgpr63_sgpr64_sgpr65_sgpr66_sgpr67
# CHECK: IMAGE_SAMPLE_V3_V2_gfx10 {{.*}} $sgpr88_sgpr89_sgpr90_sgpr91_sgpr92_sgpr93_sgpr94_sgpr95
---
name: _amdgpu_ps_main
body: |
bb.0:
successors:
liveins: $sgpr60, $sgpr61, $sgpr62, $sgpr63, $sgpr64, $sgpr65, $sgpr66, $sgpr67, $sgpr96, $sgpr97, $sgpr98, $sgpr99, $vgpr0, $vgpr1, $vgpr2, $vgpr3, $vgpr5, $vgpr70, $vgpr71
renamable $sgpr88_sgpr89_sgpr90_sgpr91_sgpr92_sgpr93_sgpr94_sgpr95 = COPY killed renamable $sgpr60_sgpr61_sgpr62_sgpr63_sgpr64_sgpr65_sgpr66_sgpr67
renamable $sgpr56_sgpr57_sgpr58_sgpr59_sgpr60_sgpr61_sgpr62_sgpr63 = COPY killed renamable $sgpr88_sgpr89_sgpr90_sgpr91_sgpr92_sgpr93_sgpr94_sgpr95
renamable $vgpr12_vgpr13_vgpr14 = IMAGE_SAMPLE_V3_V2_gfx10 renamable $vgpr70_vgpr71, renamable $sgpr56_sgpr57_sgpr58_sgpr59_sgpr60_sgpr61_sgpr62_sgpr63, renamable $sgpr96_sgpr97_sgpr98_sgpr99, 7, 1, 0, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable load (s96), align 16)
S_ENDPGM 0
...