llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/regbankselect-icmp.mir

417 lines
16 KiB
YAML

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -march=amdgcn -mcpu=hawaii -run-pass=regbankselect -regbankselect-fast -verify-machineinstrs -o - %s | FileCheck -check-prefix=GFX7 %s
# RUN: llc -march=amdgcn -mcpu=fiji -run-pass=regbankselect -regbankselect-fast -verify-machineinstrs -o - %s | FileCheck -check-prefix=GFX8 %s
# RUN: llc -march=amdgcn -mcpu=hawaii -run-pass=regbankselect -regbankselect-greedy -verify-machineinstrs -o - %s | FileCheck -check-prefix=GFX7 %s
# RUN: llc -march=amdgcn -mcpu=fiji -run-pass=regbankselect -regbankselect-greedy -verify-machineinstrs -o - %s | FileCheck -check-prefix=GFX8 %s
---
name: icmp_eq_s32_ss
legalized: true
body: |
bb.0:
liveins: $sgpr0, $sgpr1
; GFX7-LABEL: name: icmp_eq_s32_ss
; GFX7: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
; GFX7: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
; GFX7: [[ICMP:%[0-9]+]]:sgpr(s32) = G_ICMP intpred(eq), [[COPY]](s32), [[COPY1]]
; GFX7: [[TRUNC:%[0-9]+]]:sgpr(s1) = G_TRUNC [[ICMP]](s32)
; GFX8-LABEL: name: icmp_eq_s32_ss
; GFX8: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
; GFX8: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
; GFX8: [[ICMP:%[0-9]+]]:sgpr(s32) = G_ICMP intpred(eq), [[COPY]](s32), [[COPY1]]
; GFX8: [[TRUNC:%[0-9]+]]:sgpr(s1) = G_TRUNC [[ICMP]](s32)
%0:_(s32) = COPY $sgpr0
%1:_(s32) = COPY $sgpr1
%2:_(s1) = G_ICMP intpred(eq), %0, %1
...
---
name: icmp_eq_s32_sv
legalized: true
body: |
bb.0:
liveins: $sgpr0, $vgpr0
; GFX7-LABEL: name: icmp_eq_s32_sv
; GFX7: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
; GFX7: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
; GFX7: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY [[COPY]](s32)
; GFX7: [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(eq), [[COPY2]](s32), [[COPY1]]
; GFX8-LABEL: name: icmp_eq_s32_sv
; GFX8: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
; GFX8: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
; GFX8: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY [[COPY]](s32)
; GFX8: [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(eq), [[COPY2]](s32), [[COPY1]]
%0:_(s32) = COPY $sgpr0
%1:_(s32) = COPY $vgpr0
%2:_(s1) = G_ICMP intpred(eq), %0, %1
...
---
name: icmp_eq_s32_vs
legalized: true
body: |
bb.0:
liveins: $sgpr0, $vgpr0
; GFX7-LABEL: name: icmp_eq_s32_vs
; GFX7: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
; GFX7: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
; GFX7: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY [[COPY]](s32)
; GFX7: [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(eq), [[COPY1]](s32), [[COPY2]]
; GFX8-LABEL: name: icmp_eq_s32_vs
; GFX8: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
; GFX8: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
; GFX8: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY [[COPY]](s32)
; GFX8: [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(eq), [[COPY1]](s32), [[COPY2]]
%0:_(s32) = COPY $sgpr0
%1:_(s32) = COPY $vgpr0
%2:_(s1) = G_ICMP intpred(eq), %1, %0
...
---
name: icmp_eq_s32_vv
legalized: true
body: |
bb.0:
liveins: $vgpr0, $vgpr1
; GFX7-LABEL: name: icmp_eq_s32_vv
; GFX7: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
; GFX7: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
; GFX7: [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(eq), [[COPY]](s32), [[COPY1]]
; GFX8-LABEL: name: icmp_eq_s32_vv
; GFX8: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
; GFX8: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
; GFX8: [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(eq), [[COPY]](s32), [[COPY1]]
%0:_(s32) = COPY $vgpr0
%1:_(s32) = COPY $vgpr1
%2:_(s1) = G_ICMP intpred(eq), %0, %1
...
---
name: icmp_eq_s64_ss
legalized: true
body: |
bb.0:
liveins: $sgpr0_sgpr1, $sgpr2_sgpr3
; GFX7-LABEL: name: icmp_eq_s64_ss
; GFX7: [[COPY:%[0-9]+]]:sgpr(s64) = COPY $sgpr0_sgpr1
; GFX7: [[COPY1:%[0-9]+]]:sgpr(s64) = COPY $sgpr2_sgpr3
; GFX7: [[COPY2:%[0-9]+]]:vgpr(s64) = COPY [[COPY]](s64)
; GFX7: [[COPY3:%[0-9]+]]:vgpr(s64) = COPY [[COPY1]](s64)
; GFX7: [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(eq), [[COPY2]](s64), [[COPY3]]
; GFX8-LABEL: name: icmp_eq_s64_ss
; GFX8: [[COPY:%[0-9]+]]:sgpr(s64) = COPY $sgpr0_sgpr1
; GFX8: [[COPY1:%[0-9]+]]:sgpr(s64) = COPY $sgpr2_sgpr3
; GFX8: [[ICMP:%[0-9]+]]:sgpr(s32) = G_ICMP intpred(eq), [[COPY]](s64), [[COPY1]]
; GFX8: [[TRUNC:%[0-9]+]]:sgpr(s1) = G_TRUNC [[ICMP]](s32)
%0:_(s64) = COPY $sgpr0_sgpr1
%1:_(s64) = COPY $sgpr2_sgpr3
%2:_(s1) = G_ICMP intpred(eq), %0, %1
...
---
name: icmp_eq_s64_sv
legalized: true
body: |
bb.0:
liveins: $sgpr0_sgpr1, $vgpr0_vgpr1
; GFX7-LABEL: name: icmp_eq_s64_sv
; GFX7: [[COPY:%[0-9]+]]:sgpr(s64) = COPY $sgpr0_sgpr1
; GFX7: [[COPY1:%[0-9]+]]:vgpr(s64) = COPY $vgpr0_vgpr1
; GFX7: [[COPY2:%[0-9]+]]:vgpr(s64) = COPY [[COPY]](s64)
; GFX7: [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(eq), [[COPY2]](s64), [[COPY1]]
; GFX8-LABEL: name: icmp_eq_s64_sv
; GFX8: [[COPY:%[0-9]+]]:sgpr(s64) = COPY $sgpr0_sgpr1
; GFX8: [[COPY1:%[0-9]+]]:vgpr(s64) = COPY $vgpr0_vgpr1
; GFX8: [[COPY2:%[0-9]+]]:vgpr(s64) = COPY [[COPY]](s64)
; GFX8: [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(eq), [[COPY2]](s64), [[COPY1]]
%0:_(s64) = COPY $sgpr0_sgpr1
%1:_(s64) = COPY $vgpr0_vgpr1
%2:_(s1) = G_ICMP intpred(eq), %0, %1
...
---
name: icmp_eq_s64_vs
legalized: true
body: |
bb.0:
liveins: $sgpr0_sgpr1, $vgpr0_vgpr1
; GFX7-LABEL: name: icmp_eq_s64_vs
; GFX7: [[COPY:%[0-9]+]]:sgpr(s64) = COPY $sgpr0_sgpr1
; GFX7: [[COPY1:%[0-9]+]]:vgpr(s64) = COPY $vgpr0_vgpr1
; GFX7: [[COPY2:%[0-9]+]]:vgpr(s64) = COPY [[COPY]](s64)
; GFX7: [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(eq), [[COPY1]](s64), [[COPY2]]
; GFX8-LABEL: name: icmp_eq_s64_vs
; GFX8: [[COPY:%[0-9]+]]:sgpr(s64) = COPY $sgpr0_sgpr1
; GFX8: [[COPY1:%[0-9]+]]:vgpr(s64) = COPY $vgpr0_vgpr1
; GFX8: [[COPY2:%[0-9]+]]:vgpr(s64) = COPY [[COPY]](s64)
; GFX8: [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(eq), [[COPY1]](s64), [[COPY2]]
%0:_(s64) = COPY $sgpr0_sgpr1
%1:_(s64) = COPY $vgpr0_vgpr1
%2:_(s1) = G_ICMP intpred(eq), %1, %0
...
---
name: icmp_eq_s64_vv
legalized: true
body: |
bb.0:
liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
; GFX7-LABEL: name: icmp_eq_s64_vv
; GFX7: [[COPY:%[0-9]+]]:vgpr(s64) = COPY $vgpr0_vgpr1
; GFX7: [[COPY1:%[0-9]+]]:vgpr(s64) = COPY $vgpr2_vgpr3
; GFX7: [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(eq), [[COPY]](s64), [[COPY1]]
; GFX8-LABEL: name: icmp_eq_s64_vv
; GFX8: [[COPY:%[0-9]+]]:vgpr(s64) = COPY $vgpr0_vgpr1
; GFX8: [[COPY1:%[0-9]+]]:vgpr(s64) = COPY $vgpr2_vgpr3
; GFX8: [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(eq), [[COPY]](s64), [[COPY1]]
%0:_(s64) = COPY $vgpr0_vgpr1
%1:_(s64) = COPY $vgpr2_vgpr3
%2:_(s1) = G_ICMP intpred(eq), %0, %1
...
---
name: icmp_ne_s64_ss
legalized: true
body: |
bb.0:
liveins: $sgpr0_sgpr1, $sgpr2_sgpr3
; GFX7-LABEL: name: icmp_ne_s64_ss
; GFX7: [[COPY:%[0-9]+]]:sgpr(s64) = COPY $sgpr0_sgpr1
; GFX7: [[COPY1:%[0-9]+]]:sgpr(s64) = COPY $sgpr2_sgpr3
; GFX7: [[COPY2:%[0-9]+]]:vgpr(s64) = COPY [[COPY]](s64)
; GFX7: [[COPY3:%[0-9]+]]:vgpr(s64) = COPY [[COPY1]](s64)
; GFX7: [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(ne), [[COPY2]](s64), [[COPY3]]
; GFX8-LABEL: name: icmp_ne_s64_ss
; GFX8: [[COPY:%[0-9]+]]:sgpr(s64) = COPY $sgpr0_sgpr1
; GFX8: [[COPY1:%[0-9]+]]:sgpr(s64) = COPY $sgpr2_sgpr3
; GFX8: [[ICMP:%[0-9]+]]:sgpr(s32) = G_ICMP intpred(ne), [[COPY]](s64), [[COPY1]]
; GFX8: [[TRUNC:%[0-9]+]]:sgpr(s1) = G_TRUNC [[ICMP]](s32)
%0:_(s64) = COPY $sgpr0_sgpr1
%1:_(s64) = COPY $sgpr2_sgpr3
%2:_(s1) = G_ICMP intpred(ne), %0, %1
...
---
name: icmp_ne_s64_sv
legalized: true
body: |
bb.0:
liveins: $sgpr0_sgpr1, $vgpr0_vgpr1
; GFX7-LABEL: name: icmp_ne_s64_sv
; GFX7: [[COPY:%[0-9]+]]:sgpr(s64) = COPY $sgpr0_sgpr1
; GFX7: [[COPY1:%[0-9]+]]:vgpr(s64) = COPY $vgpr0_vgpr1
; GFX7: [[COPY2:%[0-9]+]]:vgpr(s64) = COPY [[COPY]](s64)
; GFX7: [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(ne), [[COPY2]](s64), [[COPY1]]
; GFX8-LABEL: name: icmp_ne_s64_sv
; GFX8: [[COPY:%[0-9]+]]:sgpr(s64) = COPY $sgpr0_sgpr1
; GFX8: [[COPY1:%[0-9]+]]:vgpr(s64) = COPY $vgpr0_vgpr1
; GFX8: [[COPY2:%[0-9]+]]:vgpr(s64) = COPY [[COPY]](s64)
; GFX8: [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(ne), [[COPY2]](s64), [[COPY1]]
%0:_(s64) = COPY $sgpr0_sgpr1
%1:_(s64) = COPY $vgpr0_vgpr1
%2:_(s1) = G_ICMP intpred(ne), %0, %1
...
---
name: icmp_ne_s64_vs
legalized: true
body: |
bb.0:
liveins: $sgpr0_sgpr1, $vgpr0_vgpr1
; GFX7-LABEL: name: icmp_ne_s64_vs
; GFX7: [[COPY:%[0-9]+]]:sgpr(s64) = COPY $sgpr0_sgpr1
; GFX7: [[COPY1:%[0-9]+]]:vgpr(s64) = COPY $vgpr0_vgpr1
; GFX7: [[COPY2:%[0-9]+]]:vgpr(s64) = COPY [[COPY]](s64)
; GFX7: [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(ne), [[COPY1]](s64), [[COPY2]]
; GFX8-LABEL: name: icmp_ne_s64_vs
; GFX8: [[COPY:%[0-9]+]]:sgpr(s64) = COPY $sgpr0_sgpr1
; GFX8: [[COPY1:%[0-9]+]]:vgpr(s64) = COPY $vgpr0_vgpr1
; GFX8: [[COPY2:%[0-9]+]]:vgpr(s64) = COPY [[COPY]](s64)
; GFX8: [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(ne), [[COPY1]](s64), [[COPY2]]
%0:_(s64) = COPY $sgpr0_sgpr1
%1:_(s64) = COPY $vgpr0_vgpr1
%2:_(s1) = G_ICMP intpred(ne), %1, %0
...
---
name: icmp_ne_s64_vv
legalized: true
body: |
bb.0:
liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
; GFX7-LABEL: name: icmp_ne_s64_vv
; GFX7: [[COPY:%[0-9]+]]:vgpr(s64) = COPY $vgpr0_vgpr1
; GFX7: [[COPY1:%[0-9]+]]:vgpr(s64) = COPY $vgpr2_vgpr3
; GFX7: [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(ne), [[COPY]](s64), [[COPY1]]
; GFX8-LABEL: name: icmp_ne_s64_vv
; GFX8: [[COPY:%[0-9]+]]:vgpr(s64) = COPY $vgpr0_vgpr1
; GFX8: [[COPY1:%[0-9]+]]:vgpr(s64) = COPY $vgpr2_vgpr3
; GFX8: [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(ne), [[COPY]](s64), [[COPY1]]
%0:_(s64) = COPY $vgpr0_vgpr1
%1:_(s64) = COPY $vgpr2_vgpr3
%2:_(s1) = G_ICMP intpred(ne), %0, %1
...
---
name: icmp_slt_s64_ss
legalized: true
body: |
bb.0:
liveins: $sgpr0_sgpr1, $sgpr2_sgpr3
; GFX7-LABEL: name: icmp_slt_s64_ss
; GFX7: [[COPY:%[0-9]+]]:sgpr(s64) = COPY $sgpr0_sgpr1
; GFX7: [[COPY1:%[0-9]+]]:sgpr(s64) = COPY $sgpr2_sgpr3
; GFX7: [[COPY2:%[0-9]+]]:vgpr(s64) = COPY [[COPY]](s64)
; GFX7: [[COPY3:%[0-9]+]]:vgpr(s64) = COPY [[COPY1]](s64)
; GFX7: [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(slt), [[COPY2]](s64), [[COPY3]]
; GFX8-LABEL: name: icmp_slt_s64_ss
; GFX8: [[COPY:%[0-9]+]]:sgpr(s64) = COPY $sgpr0_sgpr1
; GFX8: [[COPY1:%[0-9]+]]:sgpr(s64) = COPY $sgpr2_sgpr3
; GFX8: [[COPY2:%[0-9]+]]:vgpr(s64) = COPY [[COPY]](s64)
; GFX8: [[COPY3:%[0-9]+]]:vgpr(s64) = COPY [[COPY1]](s64)
; GFX8: [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(slt), [[COPY2]](s64), [[COPY3]]
%0:_(s64) = COPY $sgpr0_sgpr1
%1:_(s64) = COPY $sgpr2_sgpr3
%2:_(s1) = G_ICMP intpred(slt), %0, %1
...
---
name: icmp_slt_s64_sv
legalized: true
body: |
bb.0:
liveins: $sgpr0_sgpr1, $vgpr0_vgpr1
; GFX7-LABEL: name: icmp_slt_s64_sv
; GFX7: [[COPY:%[0-9]+]]:sgpr(s64) = COPY $sgpr0_sgpr1
; GFX7: [[COPY1:%[0-9]+]]:vgpr(s64) = COPY $vgpr0_vgpr1
; GFX7: [[COPY2:%[0-9]+]]:vgpr(s64) = COPY [[COPY]](s64)
; GFX7: [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(slt), [[COPY2]](s64), [[COPY1]]
; GFX8-LABEL: name: icmp_slt_s64_sv
; GFX8: [[COPY:%[0-9]+]]:sgpr(s64) = COPY $sgpr0_sgpr1
; GFX8: [[COPY1:%[0-9]+]]:vgpr(s64) = COPY $vgpr0_vgpr1
; GFX8: [[COPY2:%[0-9]+]]:vgpr(s64) = COPY [[COPY]](s64)
; GFX8: [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(slt), [[COPY2]](s64), [[COPY1]]
%0:_(s64) = COPY $sgpr0_sgpr1
%1:_(s64) = COPY $vgpr0_vgpr1
%2:_(s1) = G_ICMP intpred(slt), %0, %1
...
---
name: icmp_slt_s64_vs
legalized: true
body: |
bb.0:
liveins: $sgpr0_sgpr1, $vgpr0_vgpr1
; GFX7-LABEL: name: icmp_slt_s64_vs
; GFX7: [[COPY:%[0-9]+]]:sgpr(s64) = COPY $sgpr0_sgpr1
; GFX7: [[COPY1:%[0-9]+]]:vgpr(s64) = COPY $vgpr0_vgpr1
; GFX7: [[COPY2:%[0-9]+]]:vgpr(s64) = COPY [[COPY]](s64)
; GFX7: [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(slt), [[COPY1]](s64), [[COPY2]]
; GFX8-LABEL: name: icmp_slt_s64_vs
; GFX8: [[COPY:%[0-9]+]]:sgpr(s64) = COPY $sgpr0_sgpr1
; GFX8: [[COPY1:%[0-9]+]]:vgpr(s64) = COPY $vgpr0_vgpr1
; GFX8: [[COPY2:%[0-9]+]]:vgpr(s64) = COPY [[COPY]](s64)
; GFX8: [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(slt), [[COPY1]](s64), [[COPY2]]
%0:_(s64) = COPY $sgpr0_sgpr1
%1:_(s64) = COPY $vgpr0_vgpr1
%2:_(s1) = G_ICMP intpred(slt), %1, %0
...
---
name: icmp_slt_s64_vv
legalized: true
body: |
bb.0:
liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
; GFX7-LABEL: name: icmp_slt_s64_vv
; GFX7: [[COPY:%[0-9]+]]:vgpr(s64) = COPY $vgpr0_vgpr1
; GFX7: [[COPY1:%[0-9]+]]:vgpr(s64) = COPY $vgpr2_vgpr3
; GFX7: [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(slt), [[COPY]](s64), [[COPY1]]
; GFX8-LABEL: name: icmp_slt_s64_vv
; GFX8: [[COPY:%[0-9]+]]:vgpr(s64) = COPY $vgpr0_vgpr1
; GFX8: [[COPY1:%[0-9]+]]:vgpr(s64) = COPY $vgpr2_vgpr3
; GFX8: [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(slt), [[COPY]](s64), [[COPY1]]
%0:_(s64) = COPY $vgpr0_vgpr1
%1:_(s64) = COPY $vgpr2_vgpr3
%2:_(s1) = G_ICMP intpred(slt), %0, %1
...
# Result is already constrained to be VCC bank, despite scalar inputs.
---
name: map_icmp_already_vcc_bank_sgpr_inputs
legalized: true
tracksRegLiveness: true
body: |
bb.0:
liveins: $sgpr0, $sgpr1
; GFX7-LABEL: name: map_icmp_already_vcc_bank_sgpr_inputs
; GFX7: liveins: $sgpr0, $sgpr1
; GFX7: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
; GFX7: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
; GFX7: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY [[COPY]](s32)
; GFX7: [[COPY3:%[0-9]+]]:vgpr(s32) = COPY [[COPY1]](s32)
; GFX7: [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(eq), [[COPY2]](s32), [[COPY3]]
; GFX7: S_ENDPGM 0, implicit [[ICMP]](s1)
; GFX8-LABEL: name: map_icmp_already_vcc_bank_sgpr_inputs
; GFX8: liveins: $sgpr0, $sgpr1
; GFX8: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
; GFX8: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
; GFX8: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY [[COPY]](s32)
; GFX8: [[COPY3:%[0-9]+]]:vgpr(s32) = COPY [[COPY1]](s32)
; GFX8: [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(eq), [[COPY2]](s32), [[COPY3]]
; GFX8: S_ENDPGM 0, implicit [[ICMP]](s1)
%0:_(s32) = COPY $sgpr0
%1:_(s32) = COPY $sgpr1
%2:vcc(s1) = G_ICMP intpred(eq), %0, %1
S_ENDPGM 0, implicit %2
...
# Result is already con strained to be VCC bank, despite scalar inputs
# and also has a register class.
---
name: map_icmp_already_vcc_regclass_sgpr_inputs
legalized: true
tracksRegLiveness: true
body: |
bb.0:
liveins: $sgpr0, $sgpr1
; GFX7-LABEL: name: map_icmp_already_vcc_regclass_sgpr_inputs
; GFX7: liveins: $sgpr0, $sgpr1
; GFX7: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
; GFX7: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
; GFX7: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY [[COPY]](s32)
; GFX7: [[COPY3:%[0-9]+]]:vgpr(s32) = COPY [[COPY1]](s32)
; GFX7: [[ICMP:%[0-9]+]]:sreg_64_xexec(s1) = G_ICMP intpred(eq), [[COPY2]](s32), [[COPY3]]
; GFX7: S_ENDPGM 0, implicit [[ICMP]](s1)
; GFX8-LABEL: name: map_icmp_already_vcc_regclass_sgpr_inputs
; GFX8: liveins: $sgpr0, $sgpr1
; GFX8: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
; GFX8: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
; GFX8: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY [[COPY]](s32)
; GFX8: [[COPY3:%[0-9]+]]:vgpr(s32) = COPY [[COPY1]](s32)
; GFX8: [[ICMP:%[0-9]+]]:sreg_64_xexec(s1) = G_ICMP intpred(eq), [[COPY2]](s32), [[COPY3]]
; GFX8: S_ENDPGM 0, implicit [[ICMP]](s1)
%0:_(s32) = COPY $sgpr0
%1:_(s32) = COPY $sgpr1
%2:sreg_64_xexec(s1) = G_ICMP intpred(eq), %0, %1
S_ENDPGM 0, implicit %2
...