# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5
# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx950 -run-pass=register-coalescer -verify-coalescing -o - %s | FileCheck %s

# Test coalescing situations which can use av_* registers to handle
# copies between VGPRs and AGPRs.


# Should coalesce %0 and %1 into subregisters of the av_64 common
# class
---
name: copy_vgpr32_to_areg64_coalesce_with_av64
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr0, $vgpr1

    ; CHECK-LABEL: name: copy_vgpr32_to_areg64_coalesce_with_av64
    ; CHECK: liveins: $vgpr0, $vgpr1
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
    ; CHECK-NEXT: undef [[COPY2:%[0-9]+]].sub0:areg_64 = COPY [[COPY]]
    ; CHECK-NEXT: [[COPY2:%[0-9]+]].sub1:areg_64 = COPY [[COPY1]]
    ; CHECK-NEXT: INLINEASM &"; use $0", 0 /* attdialect */, 3473417 /* reguse:AReg_64 */, [[COPY2]]
    ; CHECK-NEXT: SI_RETURN
    %0:vgpr_32 = COPY $vgpr0
    %1:vgpr_32 = COPY $vgpr1
    undef %2.sub0:areg_64 = COPY %0
    %2.sub1:areg_64 = COPY %1
    INLINEASM &"; use $0", 0 /* attdialect */, 3473417 /* reguse:AReg_64 */, killed %2
    SI_RETURN

...

---
name: copy_vgpr32_to_areg64_align2_coalesce_with_av64_align2
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr0, $vgpr1

    ; CHECK-LABEL: name: copy_vgpr32_to_areg64_align2_coalesce_with_av64_align2
    ; CHECK: liveins: $vgpr0, $vgpr1
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
    ; CHECK-NEXT: undef [[COPY2:%[0-9]+]].sub0:areg_64_align2 = COPY [[COPY]]
    ; CHECK-NEXT: [[COPY2:%[0-9]+]].sub1:areg_64_align2 = COPY [[COPY1]]
    ; CHECK-NEXT: INLINEASM &"; use $0", 0 /* attdialect */, 3735561 /* reguse:AReg_64_Align2 */, [[COPY2]]
    ; CHECK-NEXT: SI_RETURN
    %0:vgpr_32 = COPY $vgpr0
    %1:vgpr_32 = COPY $vgpr1
    undef %2.sub0:areg_64_align2 = COPY %0
    %2.sub1:areg_64_align2 = COPY %1
    INLINEASM &"; use $0", 0 /* attdialect */, 3735561 /* reguse:AReg_64_Align2 */, %2
    SI_RETURN

...

---
name: copy_vgpr32_to_areg96_coalesce_with_av96
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr0, $vgpr1, $vgpr2

    ; CHECK-LABEL: name: copy_vgpr32_to_areg96_coalesce_with_av96
    ; CHECK: liveins: $vgpr0, $vgpr1, $vgpr2
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
    ; CHECK-NEXT: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr2
    ; CHECK-NEXT: undef [[COPY3:%[0-9]+]].sub0:areg_96 = COPY [[COPY]]
    ; CHECK-NEXT: [[COPY3:%[0-9]+]].sub1:areg_96 = COPY [[COPY1]]
    ; CHECK-NEXT: [[COPY3:%[0-9]+]].sub2:areg_96 = COPY [[COPY2]]
    ; CHECK-NEXT: INLINEASM &"; use $0", 0 /* attdialect */, 4587529 /* reguse:AReg_96 */, [[COPY3]]
    ; CHECK-NEXT: SI_RETURN
    %0:vgpr_32 = COPY $vgpr0
    %1:vgpr_32 = COPY $vgpr1
    %2:vgpr_32 = COPY $vgpr2
    undef %3.sub0:areg_96 = COPY %0
    %3.sub1:areg_96 = COPY %1
    %3.sub2:areg_96 = COPY %2
    INLINEASM &"; use $0", 0 /* attdialect */, 4587529 /* reguse:AReg_96 */, %3
    SI_RETURN

...

---
name: copy_vgpr32_to_areg96_coalesce_with_av96_align2
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr0, $vgpr1, $vgpr2

    ; CHECK-LABEL: name: copy_vgpr32_to_areg96_coalesce_with_av96_align2
    ; CHECK: liveins: $vgpr0, $vgpr1, $vgpr2
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
    ; CHECK-NEXT: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr2
    ; CHECK-NEXT: undef [[COPY3:%[0-9]+]].sub0:areg_96_align2 = COPY [[COPY]]
    ; CHECK-NEXT: [[COPY3:%[0-9]+]].sub1:areg_96_align2 = COPY [[COPY1]]
    ; CHECK-NEXT: [[COPY3:%[0-9]+]].sub2:areg_96_align2 = COPY [[COPY2]]
    ; CHECK-NEXT: INLINEASM &"; use $0", 0 /* attdialect */, 4915209 /* reguse:AReg_96_Align2 */, [[COPY3]]
    ; CHECK-NEXT: SI_RETURN
    %0:vgpr_32 = COPY $vgpr0
    %1:vgpr_32 = COPY $vgpr1
    %2:vgpr_32 = COPY $vgpr2
    undef %3.sub0:areg_96_align2 = COPY %0
    %3.sub1:areg_96_align2 = COPY %1
    %3.sub2:areg_96_align2 = COPY %2
    INLINEASM &"; use $0", 0 /* attdialect */, 4915209 /* reguse:AReg_96_Align2 */, %3
    SI_RETURN

...

---
name: copy_vgpr64_to_areg64_coalesce_with_av128
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr0_vgpr1, $vgpr2_vgpr3

    ; CHECK-LABEL: name: copy_vgpr64_to_areg64_coalesce_with_av128
    ; CHECK: liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:vreg_64 = COPY $vgpr0_vgpr1
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:vreg_64 = COPY $vgpr2_vgpr3
    ; CHECK-NEXT: undef [[COPY2:%[0-9]+]].sub0_sub1:areg_128 = COPY [[COPY]]
    ; CHECK-NEXT: [[COPY2:%[0-9]+]].sub2_sub3:areg_128 = COPY [[COPY1]]
    ; CHECK-NEXT: INLINEASM &"; use $0", 0 /* attdialect */, 6029321 /* reguse:AReg_128 */, [[COPY2]]
    ; CHECK-NEXT: SI_RETURN
    %0:vreg_64 = COPY $vgpr0_vgpr1
    %1:vreg_64 = COPY $vgpr2_vgpr3
    undef %2.sub0_sub1:areg_128 = COPY %0
    %2.sub2_sub3:areg_128 = COPY %1
    INLINEASM &"; use $0", 0 /* attdialect */, 6029321 /* reguse:AReg_128 */, killed %2
    SI_RETURN

...

---
name: copy_vgpr64_to_areg64_align2_coalesce_with_av128_align2
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr0_vgpr1, $vgpr2_vgpr3

    ; CHECK-LABEL: name: copy_vgpr64_to_areg64_align2_coalesce_with_av128_align2
    ; CHECK: liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:vreg_64 = COPY $vgpr0_vgpr1
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:vreg_64 = COPY $vgpr2_vgpr3
    ; CHECK-NEXT: undef [[COPY2:%[0-9]+]].sub0_sub1:areg_128_align2 = COPY [[COPY]]
    ; CHECK-NEXT: [[COPY2:%[0-9]+]].sub2_sub3:areg_128_align2 = COPY [[COPY1]]
    ; CHECK-NEXT: INLINEASM &"; use $0", 0 /* attdialect */, 6291465 /* reguse:AReg_128_Align2 */, [[COPY2]]
    ; CHECK-NEXT: SI_RETURN
    %0:vreg_64 = COPY $vgpr0_vgpr1
    %1:vreg_64 = COPY $vgpr2_vgpr3
    undef %2.sub0_sub1:areg_128_align2 = COPY %0
    %2.sub2_sub3:areg_128_align2 = COPY %1
    INLINEASM &"; use $0", 0 /* attdialect */, 6291465 /* reguse:AReg_128_Align2 */, %2
    SI_RETURN

...

---
name: copy_sgpr32_to_areg64_align2
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $sgpr8, $sgpr9

    ; CHECK-LABEL: name: copy_sgpr32_to_areg64_align2
    ; CHECK: liveins: $sgpr8, $sgpr9
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:sgpr_32 = COPY $sgpr8
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:sgpr_32 = COPY $sgpr9
    ; CHECK-NEXT: undef [[COPY2:%[0-9]+]].sub0:areg_64_align2 = COPY [[COPY]]
    ; CHECK-NEXT: [[COPY2:%[0-9]+]].sub1:areg_64_align2 = COPY [[COPY1]]
    ; CHECK-NEXT: INLINEASM &"; use $0", 0 /* attdialect */, 3735561 /* reguse:AReg_64_Align2 */, [[COPY2]]
    ; CHECK-NEXT: SI_RETURN
    %0:sgpr_32 = COPY $sgpr8
    %1:sgpr_32 = COPY $sgpr9
    undef %2.sub0:areg_64_align2 = COPY %0
    %2.sub1:areg_64_align2 = COPY %1
    INLINEASM &"; use $0", 0 /* attdialect */, 3735561 /* reguse:AReg_64_Align2 */, %2
    SI_RETURN

...

---
name: copy_vgpr32_vgpr64_to_areg96_coalesce_with_av96
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr0, $vgpr1_vgpr2

    ; CHECK-LABEL: name: copy_vgpr32_vgpr64_to_areg96_coalesce_with_av96
    ; CHECK: liveins: $vgpr0, $vgpr1_vgpr2
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:vreg_64 = COPY $vgpr1_vgpr2
    ; CHECK-NEXT: undef [[COPY2:%[0-9]+]].sub0:areg_96 = COPY [[COPY]]
    ; CHECK-NEXT: [[COPY2:%[0-9]+]].sub1_sub2:areg_96 = COPY [[COPY1]]
    ; CHECK-NEXT: INLINEASM &"; use $0", 0 /* attdialect */, 4587529 /* reguse:AReg_96 */, [[COPY2]]
    ; CHECK-NEXT: SI_RETURN
    %0:vgpr_32 = COPY $vgpr0
    %1:vreg_64 = COPY $vgpr1_vgpr2
    undef %2.sub0:areg_96 = COPY %0
    %2.sub1_sub2:areg_96 = COPY %1
    INLINEASM &"; use $0", 0 /* attdialect */, 4587529 /* reguse:AReg_96 */, %2
    SI_RETURN

...

---
name: copy_vgpr32_vgpr64_to_areg96_coalesce_with_av96_align2
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr0, $vgpr1_vgpr2

    ; CHECK-LABEL: name: copy_vgpr32_vgpr64_to_areg96_coalesce_with_av96_align2
    ; CHECK: liveins: $vgpr0, $vgpr1_vgpr2
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:vreg_64 = COPY $vgpr1_vgpr2
    ; CHECK-NEXT: undef [[COPY2:%[0-9]+]].sub0:areg_96_align2 = COPY [[COPY]]
    ; CHECK-NEXT: [[COPY2:%[0-9]+]].sub1_sub2:areg_96_align2 = COPY [[COPY1]]
    ; CHECK-NEXT: INLINEASM &"; use $0", 0 /* attdialect */, 3735561 /* reguse:AReg_64_Align2 */, [[COPY2]]
    ; CHECK-NEXT: SI_RETURN
    %0:vgpr_32 = COPY $vgpr0
    %1:vreg_64 = COPY $vgpr1_vgpr2
    undef %2.sub0:areg_96_align2 = COPY %0
    %2.sub1_sub2:areg_96_align2 = COPY %1
    INLINEASM &"; use $0", 0 /* attdialect */, 3735561 /* reguse:AReg_64_Align2 */, %2
    SI_RETURN

...

---
name: copy_vgpr64_vgpr32_to_areg96_coalesce_with_av96
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr0_vgpr1, $vgpr2

    ; CHECK-LABEL: name: copy_vgpr64_vgpr32_to_areg96_coalesce_with_av96
    ; CHECK: liveins: $vgpr0_vgpr1, $vgpr2
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:vreg_64 = COPY $vgpr0_vgpr1
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr2
    ; CHECK-NEXT: undef [[COPY2:%[0-9]+]].sub0_sub1:areg_96 = COPY [[COPY]]
    ; CHECK-NEXT: [[COPY2:%[0-9]+]].sub2:areg_96 = COPY [[COPY1]]
    ; CHECK-NEXT: INLINEASM &"; use $0", 0 /* attdialect */, 4587529 /* reguse:AReg_96 */, [[COPY2]]
    ; CHECK-NEXT: SI_RETURN
    %0:vreg_64 = COPY $vgpr0_vgpr1
    %1:vgpr_32 = COPY $vgpr2
    undef %2.sub0_sub1:areg_96 = COPY %0
    %2.sub2:areg_96 = COPY %1
    INLINEASM &"; use $0", 0 /* attdialect */, 4587529 /* reguse:AReg_96 */, %2
    SI_RETURN

...

---
name: copy_vgpr64_vgpr32_to_areg96_coalesce_with_av96_align2
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr0, $vgpr1_vgpr2

    ; CHECK-LABEL: name: copy_vgpr64_vgpr32_to_areg96_coalesce_with_av96_align2
    ; CHECK: liveins: $vgpr0, $vgpr1_vgpr2
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:vreg_64 = COPY $vgpr0_vgpr1
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr2
    ; CHECK-NEXT: undef [[COPY2:%[0-9]+]].sub0_sub1:areg_96_align2 = COPY [[COPY]]
    ; CHECK-NEXT: [[COPY2:%[0-9]+]].sub2:areg_96_align2 = COPY [[COPY1]]
    ; CHECK-NEXT: INLINEASM &"; use $0", 0 /* attdialect */, 3735561 /* reguse:AReg_64_Align2 */, [[COPY2]]
    ; CHECK-NEXT: SI_RETURN
    %0:vreg_64 = COPY $vgpr0_vgpr1
    %1:vgpr_32 = COPY $vgpr2
    undef %2.sub0_sub1:areg_96_align2 = COPY %0
    %2.sub2:areg_96_align2 = COPY %1
    INLINEASM &"; use $0", 0 /* attdialect */, 3735561 /* reguse:AReg_64_Align2 */, %2
    SI_RETURN

...

---
name: copy_vgpr32_x2_to_areg64
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr0

    ; CHECK-LABEL: name: copy_vgpr32_x2_to_areg64
    ; CHECK: liveins: $vgpr0
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
    ; CHECK-NEXT: undef [[COPY1:%[0-9]+]].sub0:areg_64 = COPY [[COPY]]
    ; CHECK-NEXT: [[COPY1:%[0-9]+]].sub1:areg_64 = COPY [[COPY]]
    ; CHECK-NEXT: INLINEASM &"; use $0", 0 /* attdialect */, 3473417 /* reguse:AReg_64 */, [[COPY1]]
    ; CHECK-NEXT: SI_RETURN
    %0:vgpr_32 = COPY $vgpr0
    undef %2.sub0:areg_64 = COPY %0
    %2.sub1:areg_64 = COPY %0
    INLINEASM &"; use $0", 0 /* attdialect */, 3473417 /* reguse:AReg_64 */, killed %2
    SI_RETURN

...

---
name: copy_vgpr32_x2_to_areg64_coalesce_with_av64_align2
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr0, $vgpr1

    ; CHECK-LABEL: name: copy_vgpr32_x2_to_areg64_coalesce_with_av64_align2
    ; CHECK: liveins: $vgpr0, $vgpr1
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
    ; CHECK-NEXT: undef [[COPY2:%[0-9]+]].sub0:areg_64_align2 = COPY [[COPY]]
    ; CHECK-NEXT: [[COPY2:%[0-9]+]].sub1:areg_64_align2 = COPY [[COPY1]]
    ; CHECK-NEXT: INLINEASM &"; use $0", 0 /* attdialect */, 3735561 /* reguse:AReg_64_Align2 */, [[COPY2]]
    ; CHECK-NEXT: SI_RETURN
    %0:vgpr_32 = COPY $vgpr0
    %1:vgpr_32 = COPY $vgpr1
    undef %2.sub0:areg_64_align2 = COPY %0
    %2.sub1:areg_64_align2 = COPY %1
    INLINEASM &"; use $0", 0 /* attdialect */, 3735561 /* reguse:AReg_64_Align2 */, %2
    SI_RETURN

...

---
name: copy_vgpr32_x3_to_areg96
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr0

    ; CHECK-LABEL: name: copy_vgpr32_x3_to_areg96
    ; CHECK: liveins: $vgpr0
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
    ; CHECK-NEXT: undef [[COPY1:%[0-9]+]].sub0:areg_96 = COPY [[COPY]]
    ; CHECK-NEXT: [[COPY1:%[0-9]+]].sub1:areg_96 = COPY [[COPY]]
    ; CHECK-NEXT: INLINEASM &"; use $0", 0 /* attdialect */, 4587529 /* reguse:AReg_96 */, [[COPY1]]
    ; CHECK-NEXT: SI_RETURN
    %0:vgpr_32 = COPY $vgpr0
    undef %1.sub0:areg_96 = COPY %0
    %1.sub1:areg_96 = COPY %0
    INLINEASM &"; use $0", 0 /* attdialect */, 4587529 /* reguse:AReg_96 */, %1
    SI_RETURN

...

---
name: copy_vgpr32_x3_to_areg96_align2
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr0

    ; CHECK-LABEL: name: copy_vgpr32_x3_to_areg96_align2
    ; CHECK: liveins: $vgpr0
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
    ; CHECK-NEXT: undef [[COPY1:%[0-9]+]].sub0:areg_96_align2 = COPY [[COPY]]
    ; CHECK-NEXT: [[COPY1:%[0-9]+]].sub1:areg_96_align2 = COPY [[COPY]]
    ; CHECK-NEXT: INLINEASM &"; use $0", 0 /* attdialect */, 4915209 /* reguse:AReg_96_Align2 */, [[COPY1]]
    ; CHECK-NEXT: SI_RETURN
    %0:vgpr_32 = COPY $vgpr0
    undef %1.sub0:areg_96_align2 = COPY %0
    %1.sub1:areg_96_align2 = COPY %0
    INLINEASM &"; use $0", 0 /* attdialect */, 4915209 /* reguse:AReg_96_Align2 */, %1
    SI_RETURN

...

---
name: copy_vgpr32_x4_to_areg128
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr0

    ; CHECK-LABEL: name: copy_vgpr32_x4_to_areg128
    ; CHECK: liveins: $vgpr0
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
    ; CHECK-NEXT: undef [[COPY1:%[0-9]+]].sub0:areg_128 = COPY [[COPY]]
    ; CHECK-NEXT: [[COPY1:%[0-9]+]].sub1:areg_128 = COPY [[COPY]]
    ; CHECK-NEXT: [[COPY1:%[0-9]+]].sub2:areg_128 = COPY [[COPY]]
    ; CHECK-NEXT: [[COPY1:%[0-9]+]].sub3:areg_128 = COPY [[COPY]]
    ; CHECK-NEXT: INLINEASM &"; use $0", 0 /* attdialect */, 6029321 /* reguse:AReg_128 */, [[COPY1]]
    ; CHECK-NEXT: SI_RETURN
    %0:vgpr_32 = COPY $vgpr0
    undef %1.sub0:areg_128 = COPY %0
    %1.sub1:areg_128 = COPY %0
    %1.sub2:areg_128 = COPY %0
    %1.sub3:areg_128 = COPY %0
    INLINEASM &"; use $0", 0 /* attdialect */, 6029321 /* reguse:AReg_128 */, killed %1
    SI_RETURN

...

---
name: copy_vgpr32_x4_to_areg128_align2
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr0

    ; CHECK-LABEL: name: copy_vgpr32_x4_to_areg128_align2
    ; CHECK: liveins: $vgpr0
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
    ; CHECK-NEXT: undef [[COPY1:%[0-9]+]].sub0:areg_128_align2 = COPY [[COPY]]
    ; CHECK-NEXT: [[COPY1:%[0-9]+]].sub1:areg_128_align2 = COPY [[COPY]]
    ; CHECK-NEXT: [[COPY1:%[0-9]+]].sub2:areg_128_align2 = COPY [[COPY]]
    ; CHECK-NEXT: [[COPY1:%[0-9]+]].sub3:areg_128_align2 = COPY [[COPY]]
    ; CHECK-NEXT: INLINEASM &"; use $0", 0 /* attdialect */, 6291465 /* reguse:AReg_128_Align2 */, [[COPY1]]
    ; CHECK-NEXT: SI_RETURN
    %0:vgpr_32 = COPY $vgpr0
    undef %1.sub0:areg_128_align2 = COPY %0
    %1.sub1:areg_128_align2 = COPY %0
    %1.sub2:areg_128_align2 = COPY %0
    %1.sub3:areg_128_align2 = COPY %0
    INLINEASM &"; use $0", 0 /* attdialect */, 6291465 /* reguse:AReg_128_Align2 */, %1
    SI_RETURN

...

---
name: copy_vgpr32_to_areg64_coalesce_with_av64_other_v_use
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr0, $vgpr1

    ; CHECK-LABEL: name: copy_vgpr32_to_areg64_coalesce_with_av64_other_v_use
    ; CHECK: liveins: $vgpr0, $vgpr1
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
    ; CHECK-NEXT: undef [[COPY2:%[0-9]+]].sub0:areg_64 = COPY [[COPY]]
    ; CHECK-NEXT: [[COPY2:%[0-9]+]].sub1:areg_64 = COPY [[COPY1]]
    ; CHECK-NEXT: INLINEASM &"; use $0", 0 /* attdialect */, 3473417 /* reguse:AReg_64 */, [[COPY2]]
    ; CHECK-NEXT: INLINEASM &"; use $0", 0 /* attdialect */, 2228233 /* reguse:VGPR_32 */, [[COPY]]
    ; CHECK-NEXT: SI_RETURN
    %0:vgpr_32 = COPY $vgpr0
    %1:vgpr_32 = COPY $vgpr1
    undef %2.sub0:areg_64 = COPY %0
    %2.sub1:areg_64 = COPY %1
    INLINEASM &"; use $0", 0 /* attdialect */, 3473417 /* reguse:AReg_64 */, killed %2
    INLINEASM &"; use $0", 0 /* attdialect */, 2228233 /* reguse:VGPR_32 */, killed %0
    SI_RETURN

...

---
name: copy_vgpr32_x2_to_areg64_coalesce_with_av64_other_v_use
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr0

    ; CHECK-LABEL: name: copy_vgpr32_x2_to_areg64_coalesce_with_av64_other_v_use
    ; CHECK: liveins: $vgpr0
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
    ; CHECK-NEXT: undef [[COPY1:%[0-9]+]].sub0:areg_64 = COPY [[COPY]]
    ; CHECK-NEXT: [[COPY1:%[0-9]+]].sub1:areg_64 = COPY [[COPY]]
    ; CHECK-NEXT: INLINEASM &"; use $0", 0 /* attdialect */, 3473417 /* reguse:AReg_64 */, [[COPY1]]
    ; CHECK-NEXT: INLINEASM &"; use $0", 0 /* attdialect */, 2228233 /* reguse:VGPR_32 */, [[COPY]]
    ; CHECK-NEXT: SI_RETURN
    %0:vgpr_32 = COPY $vgpr0
    undef %1.sub0:areg_64 = COPY %0
    %1.sub1:areg_64 = COPY %0
    INLINEASM &"; use $0", 0 /* attdialect */, 3473417 /* reguse:AReg_64 */, killed %1
    INLINEASM &"; use $0", 0 /* attdialect */, 2228233 /* reguse:VGPR_32 */, killed %0
    SI_RETURN

...

---
name: copy_vgpr32_x2_to_areg64_and_vreg64_coalesce_with_av64_other_v_use
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr0

    ; CHECK-LABEL: name: copy_vgpr32_x2_to_areg64_and_vreg64_coalesce_with_av64_other_v_use
    ; CHECK: liveins: $vgpr0
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: undef [[COPY:%[0-9]+]].sub0:vreg_64 = COPY $vgpr0
    ; CHECK-NEXT: undef [[COPY1:%[0-9]+]].sub0:areg_64 = COPY [[COPY]].sub0
    ; CHECK-NEXT: [[COPY1:%[0-9]+]].sub1:areg_64 = COPY [[COPY]].sub0
    ; CHECK-NEXT: [[COPY:%[0-9]+]].sub1:vreg_64 = COPY [[COPY]].sub0
    ; CHECK-NEXT: INLINEASM &"; use $0", 0 /* attdialect */, 3473417 /* reguse:AReg_64 */, [[COPY1]]
    ; CHECK-NEXT: INLINEASM &"; use $0", 0 /* attdialect */, 3538953 /* reguse:VReg_64 */, [[COPY]]
    ; CHECK-NEXT: SI_RETURN
    %0:vgpr_32 = COPY $vgpr0
    undef %1.sub0:areg_64 = COPY %0
    %1.sub1:areg_64 = COPY %0
    undef %2.sub0:vreg_64 = COPY %0
    %2.sub1:vreg_64 = COPY %0
    INLINEASM &"; use $0", 0 /* attdialect */, 3473417 /* reguse:AReg_64 */, killed %1
    INLINEASM &"; use $0", 0 /* attdialect */, 3538953 /* reguse:VReg_64 */, killed %2
    SI_RETURN

...