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TheRock/compiler/amd-llvm/llvm/test/CodeGen/AMDGPU/lo16-hi16-physreg-copy.mir
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

204 lines
5.3 KiB
YAML

# RUN: llc -mtriple=amdgcn -mcpu=gfx802 -start-before postrapseudos -asm-verbose=0 -verify-machineinstrs %s -o - | FileCheck -check-prefix=GCN %s
# RUN: llc -mtriple=amdgcn -mcpu=gfx900 -start-before postrapseudos -asm-verbose=0 -verify-machineinstrs %s -o - | FileCheck -check-prefix=GCN %s
# RUN: llc -mtriple=amdgcn -mcpu=gfx1010 -start-before postrapseudos -asm-verbose=0 -verify-machineinstrs %s -o - | FileCheck -check-prefix=GCN %s
# GCN-LABEL: {{^}}lo_to_lo:
# GCN: v_mov_b32_sdwa v1, v0 dst_sel:WORD_0 dst_unused:UNUSED_PRESERVE src0_sel:WORD_0
name: lo_to_lo
tracksRegLiveness: true
body: |
bb.0:
$vgpr0 = IMPLICIT_DEF
$vgpr1_lo16 = COPY $vgpr0_lo16
S_ENDPGM 0
...
# GCN-LABEL: {{^}}lo_to_hi:
# GCN: v_mov_b32_sdwa v1, v0 dst_sel:WORD_1 dst_unused:UNUSED_PRESERVE src0_sel:WORD_0
name: lo_to_hi
tracksRegLiveness: true
body: |
bb.0:
$vgpr0 = IMPLICIT_DEF
$vgpr1_hi16 = COPY killed $vgpr0_lo16
S_ENDPGM 0
...
# GCN-LABEL: {{^}}hi_to_lo:
# GCN: v_mov_b32_sdwa v1, v0 dst_sel:WORD_0 dst_unused:UNUSED_PRESERVE src0_sel:WORD_1
name: hi_to_lo
tracksRegLiveness: true
body: |
bb.0:
$vgpr0 = IMPLICIT_DEF
$vgpr1_lo16 = COPY $vgpr0_hi16
S_ENDPGM 0
...
# GCN-LABEL: {{^}}hi_to_hi:
# GCN: v_mov_b32_sdwa v1, v0 dst_sel:WORD_1 dst_unused:UNUSED_PRESERVE src0_sel:WORD_1
name: hi_to_hi
tracksRegLiveness: true
body: |
bb.0:
$vgpr0 = IMPLICIT_DEF
$vgpr1_hi16 = COPY $vgpr0_hi16
S_ENDPGM 0
...
# GCN-LABEL: {{^}}lo_to_lo_samereg:
# GCN: s_waitcnt
# GCN-NEXT: s_endpgm
name: lo_to_lo_samereg
tracksRegLiveness: true
body: |
bb.0:
$vgpr0 = IMPLICIT_DEF
$vgpr0_lo16 = COPY $vgpr0_lo16
S_ENDPGM 0
...
# GCN-LABEL: {{^}}lo_to_hi_samereg:
# GCN: v_mov_b32_sdwa v0, v0 dst_sel:WORD_1 dst_unused:UNUSED_PRESERVE src0_sel:WORD_0
name: lo_to_hi_samereg
tracksRegLiveness: true
body: |
bb.0:
$vgpr0 = IMPLICIT_DEF
$vgpr0_hi16 = COPY $vgpr0_lo16
S_ENDPGM 0
...
# GCN-LABEL: {{^}}hi_to_lo_samereg:
# GCN: v_mov_b32_sdwa v0, v0 dst_sel:WORD_0 dst_unused:UNUSED_PRESERVE src0_sel:WORD_1
name: hi_to_lo_samereg
tracksRegLiveness: true
body: |
bb.0:
$vgpr0 = IMPLICIT_DEF
$vgpr0_lo16 = COPY killed $vgpr0_hi16
S_ENDPGM 0
...
# GCN-LABEL: {{^}}hi_to_hi_samereg:
# GCN: s_waitcnt
# GCN-NEXT: s_endpgm
name: hi_to_hi_samereg
tracksRegLiveness: true
body: |
bb.0:
$vgpr0 = IMPLICIT_DEF
$vgpr0_hi16 = COPY killed $vgpr0_hi16
S_ENDPGM 0
...
# GCN-LABEL: {{^}}lo_to_lo_def_livein:
# GCN: v_mov_b32_sdwa v1, v0 dst_sel:WORD_0 dst_unused:UNUSED_PRESERVE src0_sel:WORD_0
name: lo_to_lo_def_livein
tracksRegLiveness: true
body: |
bb.0:
liveins: $vgpr0
$vgpr1 = IMPLICIT_DEF
$vgpr1_lo16 = COPY $vgpr0_lo16
S_ENDPGM 0
...
# GCN-LABEL: {{^}}lo_to_hi_def_livein:
# GCN: v_mov_b32_sdwa v1, v0 dst_sel:WORD_1 dst_unused:UNUSED_PRESERVE src0_sel:WORD_0
name: lo_to_hi_def_livein
tracksRegLiveness: true
body: |
bb.0:
liveins: $vgpr0
$vgpr1 = IMPLICIT_DEF
$vgpr1_hi16 = COPY $vgpr0_lo16
S_ENDPGM 0
...
# GCN-LABEL: {{^}}hi_to_lo_def_livein:
# GCN: v_mov_b32_sdwa v1, v0 dst_sel:WORD_0 dst_unused:UNUSED_PRESERVE src0_sel:WORD_1
name: hi_to_lo_def_livein
tracksRegLiveness: true
body: |
bb.0:
liveins: $vgpr0
$vgpr1 = IMPLICIT_DEF
$vgpr1_lo16 = COPY killed $vgpr0_hi16
S_ENDPGM 0
...
# GCN-LABEL: {{^}}hi_to_hi_def_livein:
# GCN: v_mov_b32_sdwa v1, v0 dst_sel:WORD_1 dst_unused:UNUSED_PRESERVE src0_sel:WORD_1
name: hi_to_hi_def_livein
tracksRegLiveness: true
body: |
bb.0:
liveins: $vgpr0
$vgpr1 = IMPLICIT_DEF
$vgpr1_hi16 = COPY $vgpr0_hi16
S_ENDPGM 0
...
# TODO: This can be coalesced into a VGPR_32 copy
# GCN-LABEL: {{^}}lo_to_lo_hi_to_hi:
# GCN: v_mov_b32_sdwa v1, v0 dst_sel:WORD_0 dst_unused:UNUSED_PRESERVE src0_sel:WORD_0
# GCN-NEXT: v_mov_b32_sdwa v1, v0 dst_sel:WORD_1 dst_unused:UNUSED_PRESERVE src0_sel:WORD_1
# GCN-NEXT: v_mov_b32_e32 v2, v1
# GCN-NEXT: s_endpgm
name: lo_to_lo_hi_to_hi
tracksRegLiveness: true
body: |
bb.0:
$vgpr0 = IMPLICIT_DEF
$vgpr1_lo16 = COPY $vgpr0_lo16
$vgpr1_hi16 = COPY $vgpr0_hi16
$vgpr2 = COPY killed $vgpr1
S_ENDPGM 0
...
# GCN-LABEL: {{^}}lo_to_hi_hi_to_lo:
# GCN: v_mov_b32_sdwa v1, v0 dst_sel:WORD_0 dst_unused:UNUSED_PRESERVE src0_sel:WORD_1
# GCN-NEXT: v_mov_b32_sdwa v1, v0 dst_sel:WORD_1 dst_unused:UNUSED_PRESERVE src0_sel:WORD_0
# GCN-NEXT: v_mov_b32_e32 v2, v1
# GCN-NEXT: s_endpgm
name: lo_to_hi_hi_to_lo
tracksRegLiveness: true
body: |
bb.0:
$vgpr0 = IMPLICIT_DEF
$vgpr1_lo16 = COPY $vgpr0_hi16
$vgpr1_hi16 = COPY $vgpr0_lo16
$vgpr2 = COPY killed $vgpr1
S_ENDPGM 0
...
# NB: copy of undef just killed instead of expansion
# GCN-LABEL: {{^}}lo_to_lo_undef:
# GCN: s_waitcnt
# GCN-NEXT: v_mov_b32_e32 v2, v1
# GCN-NEXT: s_endpgm
name: lo_to_lo_undef
tracksRegLiveness: true
body: |
bb.0:
$vgpr1_lo16 = COPY undef $vgpr0_lo16
$vgpr2 = COPY killed $vgpr1
S_ENDPGM 0
...
# GCN-LABEL: {{^}}lo_to_lo_sgpr_to_sgpr:
# GCN: s_mov_b32 s1, s0
name: lo_to_lo_sgpr_to_sgpr
tracksRegLiveness: true
body: |
bb.0:
$sgpr0 = IMPLICIT_DEF
$sgpr1_lo16 = COPY $sgpr0_lo16
S_ENDPGM 0
...