llvm/llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/rvv/sub.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=riscv32 -mattr=+m,+v -run-pass=regbankselect \
# RUN:   -disable-gisel-legality-check -simplify-mir -verify-machineinstrs %s \
# RUN:   -o - | FileCheck -check-prefix=RV32I %s
# RUN: llc -mtriple=riscv64 -mattr=+m,+v -run-pass=regbankselect \
# RUN:   -disable-gisel-legality-check -simplify-mir -verify-machineinstrs %s \
# RUN:   -o - | FileCheck -check-prefix=RV64I %s
---
name:            vsub_vv_nxv1i8
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0.entry:
    liveins: $v8, $v9

    ; RV32I-LABEL: name: vsub_vv_nxv1i8
    ; RV32I: liveins: $v8, $v9
    ; RV32I-NEXT: {{  $}}
    ; RV32I-NEXT: [[COPY:%[0-9]+]]:vrb(<vscale x 1 x s8>) = COPY $v8
    ; RV32I-NEXT: [[COPY1:%[0-9]+]]:vrb(<vscale x 1 x s8>) = COPY $v9
    ; RV32I-NEXT: [[SUB:%[0-9]+]]:vrb(<vscale x 1 x s8>) = G_SUB [[COPY]], [[COPY1]]
    ; RV32I-NEXT: $v8 = COPY [[SUB]](<vscale x 1 x s8>)
    ; RV32I-NEXT: PseudoRET implicit $v8
    ;
    ; RV64I-LABEL: name: vsub_vv_nxv1i8
    ; RV64I: liveins: $v8, $v9
    ; RV64I-NEXT: {{  $}}
    ; RV64I-NEXT: [[COPY:%[0-9]+]]:vrb(<vscale x 1 x s8>) = COPY $v8
    ; RV64I-NEXT: [[COPY1:%[0-9]+]]:vrb(<vscale x 1 x s8>) = COPY $v9
    ; RV64I-NEXT: [[SUB:%[0-9]+]]:vrb(<vscale x 1 x s8>) = G_SUB [[COPY]], [[COPY1]]
    ; RV64I-NEXT: $v8 = COPY [[SUB]](<vscale x 1 x s8>)
    ; RV64I-NEXT: PseudoRET implicit $v8
    %0:_(<vscale x 1 x s8>) = COPY $v8
    %1:_(<vscale x 1 x s8>) = COPY $v9
    %2:_(<vscale x 1 x s8>) = G_SUB %0, %1
    $v8 = COPY %2(<vscale x 1 x s8>)
    PseudoRET implicit $v8

...
---
name:            vsub_vv_nxv2i8
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0.entry:
    liveins: $v8, $v9

    ; RV32I-LABEL: name: vsub_vv_nxv2i8
    ; RV32I: liveins: $v8, $v9
    ; RV32I-NEXT: {{  $}}
    ; RV32I-NEXT: [[COPY:%[0-9]+]]:vrb(<vscale x 2 x s8>) = COPY $v8
    ; RV32I-NEXT: [[COPY1:%[0-9]+]]:vrb(<vscale x 2 x s8>) = COPY $v9
    ; RV32I-NEXT: [[SUB:%[0-9]+]]:vrb(<vscale x 2 x s8>) = G_SUB [[COPY]], [[COPY1]]
    ; RV32I-NEXT: $v8 = COPY [[SUB]](<vscale x 2 x s8>)
    ; RV32I-NEXT: PseudoRET implicit $v8
    ;
    ; RV64I-LABEL: name: vsub_vv_nxv2i8
    ; RV64I: liveins: $v8, $v9
    ; RV64I-NEXT: {{  $}}
    ; RV64I-NEXT: [[COPY:%[0-9]+]]:vrb(<vscale x 2 x s8>) = COPY $v8
    ; RV64I-NEXT: [[COPY1:%[0-9]+]]:vrb(<vscale x 2 x s8>) = COPY $v9
    ; RV64I-NEXT: [[SUB:%[0-9]+]]:vrb(<vscale x 2 x s8>) = G_SUB [[COPY]], [[COPY1]]
    ; RV64I-NEXT: $v8 = COPY [[SUB]](<vscale x 2 x s8>)
    ; RV64I-NEXT: PseudoRET implicit $v8
    %0:_(<vscale x 2 x s8>) = COPY $v8
    %1:_(<vscale x 2 x s8>) = COPY $v9
    %2:_(<vscale x 2 x s8>) = G_SUB %0, %1
    $v8 = COPY %2(<vscale x 2 x s8>)
    PseudoRET implicit $v8

...
---
name:            vsub_vv_nxv4i8
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0.entry:
    liveins: $v8, $v9

    ; RV32I-LABEL: name: vsub_vv_nxv4i8
    ; RV32I: liveins: $v8, $v9
    ; RV32I-NEXT: {{  $}}
    ; RV32I-NEXT: [[COPY:%[0-9]+]]:vrb(<vscale x 4 x s8>) = COPY $v8
    ; RV32I-NEXT: [[COPY1:%[0-9]+]]:vrb(<vscale x 4 x s8>) = COPY $v9
    ; RV32I-NEXT: [[SUB:%[0-9]+]]:vrb(<vscale x 4 x s8>) = G_SUB [[COPY]], [[COPY1]]
    ; RV32I-NEXT: $v8 = COPY [[SUB]](<vscale x 4 x s8>)
    ; RV32I-NEXT: PseudoRET implicit $v8
    ;
    ; RV64I-LABEL: name: vsub_vv_nxv4i8
    ; RV64I: liveins: $v8, $v9
    ; RV64I-NEXT: {{  $}}
    ; RV64I-NEXT: [[COPY:%[0-9]+]]:vrb(<vscale x 4 x s8>) = COPY $v8
    ; RV64I-NEXT: [[COPY1:%[0-9]+]]:vrb(<vscale x 4 x s8>) = COPY $v9
    ; RV64I-NEXT: [[SUB:%[0-9]+]]:vrb(<vscale x 4 x s8>) = G_SUB [[COPY]], [[COPY1]]
    ; RV64I-NEXT: $v8 = COPY [[SUB]](<vscale x 4 x s8>)
    ; RV64I-NEXT: PseudoRET implicit $v8
    %0:_(<vscale x 4 x s8>) = COPY $v8
    %1:_(<vscale x 4 x s8>) = COPY $v9
    %2:_(<vscale x 4 x s8>) = G_SUB %0, %1
    $v8 = COPY %2(<vscale x 4 x s8>)
    PseudoRET implicit $v8

...
---
name:            vsub_vv_nxv8i8
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0.entry:
    liveins: $v8, $v9

    ; RV32I-LABEL: name: vsub_vv_nxv8i8
    ; RV32I: liveins: $v8, $v9
    ; RV32I-NEXT: {{  $}}
    ; RV32I-NEXT: [[COPY:%[0-9]+]]:vrb(<vscale x 8 x s8>) = COPY $v8
    ; RV32I-NEXT: [[COPY1:%[0-9]+]]:vrb(<vscale x 8 x s8>) = COPY $v9
    ; RV32I-NEXT: [[SUB:%[0-9]+]]:vrb(<vscale x 8 x s8>) = G_SUB [[COPY]], [[COPY1]]
    ; RV32I-NEXT: $v8 = COPY [[SUB]](<vscale x 8 x s8>)
    ; RV32I-NEXT: PseudoRET implicit $v8
    ;
    ; RV64I-LABEL: name: vsub_vv_nxv8i8
    ; RV64I: liveins: $v8, $v9
    ; RV64I-NEXT: {{  $}}
    ; RV64I-NEXT: [[COPY:%[0-9]+]]:vrb(<vscale x 8 x s8>) = COPY $v8
    ; RV64I-NEXT: [[COPY1:%[0-9]+]]:vrb(<vscale x 8 x s8>) = COPY $v9
    ; RV64I-NEXT: [[SUB:%[0-9]+]]:vrb(<vscale x 8 x s8>) = G_SUB [[COPY]], [[COPY1]]
    ; RV64I-NEXT: $v8 = COPY [[SUB]](<vscale x 8 x s8>)
    ; RV64I-NEXT: PseudoRET implicit $v8
    %0:_(<vscale x 8 x s8>) = COPY $v8
    %1:_(<vscale x 8 x s8>) = COPY $v9
    %2:_(<vscale x 8 x s8>) = G_SUB %0, %1
    $v8 = COPY %2(<vscale x 8 x s8>)
    PseudoRET implicit $v8

...
---
name:            vsub_vv_nxv16i8
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0.entry:
    liveins: $v8m2, $v10m2

    ; RV32I-LABEL: name: vsub_vv_nxv16i8
    ; RV32I: liveins: $v8m2, $v10m2
    ; RV32I-NEXT: {{  $}}
    ; RV32I-NEXT: [[COPY:%[0-9]+]]:vrb(<vscale x 16 x s8>) = COPY $v8m2
    ; RV32I-NEXT: [[COPY1:%[0-9]+]]:vrb(<vscale x 16 x s8>) = COPY $v10m2
    ; RV32I-NEXT: [[SUB:%[0-9]+]]:vrb(<vscale x 16 x s8>) = G_SUB [[COPY]], [[COPY1]]
    ; RV32I-NEXT: $v8m2 = COPY [[SUB]](<vscale x 16 x s8>)
    ; RV32I-NEXT: PseudoRET implicit $v8m2
    ;
    ; RV64I-LABEL: name: vsub_vv_nxv16i8
    ; RV64I: liveins: $v8m2, $v10m2
    ; RV64I-NEXT: {{  $}}
    ; RV64I-NEXT: [[COPY:%[0-9]+]]:vrb(<vscale x 16 x s8>) = COPY $v8m2
    ; RV64I-NEXT: [[COPY1:%[0-9]+]]:vrb(<vscale x 16 x s8>) = COPY $v10m2
    ; RV64I-NEXT: [[SUB:%[0-9]+]]:vrb(<vscale x 16 x s8>) = G_SUB [[COPY]], [[COPY1]]
    ; RV64I-NEXT: $v8m2 = COPY [[SUB]](<vscale x 16 x s8>)
    ; RV64I-NEXT: PseudoRET implicit $v8m2
    %0:_(<vscale x 16 x s8>) = COPY $v8m2
    %1:_(<vscale x 16 x s8>) = COPY $v10m2
    %2:_(<vscale x 16 x s8>) = G_SUB %0, %1
    $v8m2 = COPY %2(<vscale x 16 x s8>)
    PseudoRET implicit $v8m2

...
---
name:            vsub_vv_nxv32i8
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0.entry:
    liveins: $v8m4, $v12m4

    ; RV32I-LABEL: name: vsub_vv_nxv32i8
    ; RV32I: liveins: $v8m4, $v12m4
    ; RV32I-NEXT: {{  $}}
    ; RV32I-NEXT: [[COPY:%[0-9]+]]:vrb(<vscale x 32 x s8>) = COPY $v8m4
    ; RV32I-NEXT: [[COPY1:%[0-9]+]]:vrb(<vscale x 32 x s8>) = COPY $v12m4
    ; RV32I-NEXT: [[SUB:%[0-9]+]]:vrb(<vscale x 32 x s8>) = G_SUB [[COPY]], [[COPY1]]
    ; RV32I-NEXT: $v8m4 = COPY [[SUB]](<vscale x 32 x s8>)
    ; RV32I-NEXT: PseudoRET implicit $v8m4
    ;
    ; RV64I-LABEL: name: vsub_vv_nxv32i8
    ; RV64I: liveins: $v8m4, $v12m4
    ; RV64I-NEXT: {{  $}}
    ; RV64I-NEXT: [[COPY:%[0-9]+]]:vrb(<vscale x 32 x s8>) = COPY $v8m4
    ; RV64I-NEXT: [[COPY1:%[0-9]+]]:vrb(<vscale x 32 x s8>) = COPY $v12m4
    ; RV64I-NEXT: [[SUB:%[0-9]+]]:vrb(<vscale x 32 x s8>) = G_SUB [[COPY]], [[COPY1]]
    ; RV64I-NEXT: $v8m4 = COPY [[SUB]](<vscale x 32 x s8>)
    ; RV64I-NEXT: PseudoRET implicit $v8m4
    %0:_(<vscale x 32 x s8>) = COPY $v8m4
    %1:_(<vscale x 32 x s8>) = COPY $v12m4
    %2:_(<vscale x 32 x s8>) = G_SUB %0, %1
    $v8m4 = COPY %2(<vscale x 32 x s8>)
    PseudoRET implicit $v8m4

...
---
name:            vsub_vv_nxv64i8
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0.entry:
    liveins: $v8m8, $v16m8

    ; RV32I-LABEL: name: vsub_vv_nxv64i8
    ; RV32I: liveins: $v8m8, $v16m8
    ; RV32I-NEXT: {{  $}}
    ; RV32I-NEXT: [[COPY:%[0-9]+]]:vrb(<vscale x 64 x s8>) = COPY $v8m8
    ; RV32I-NEXT: [[COPY1:%[0-9]+]]:vrb(<vscale x 64 x s8>) = COPY $v16m8
    ; RV32I-NEXT: [[SUB:%[0-9]+]]:vrb(<vscale x 64 x s8>) = G_SUB [[COPY]], [[COPY1]]
    ; RV32I-NEXT: $v8m8 = COPY [[SUB]](<vscale x 64 x s8>)
    ; RV32I-NEXT: PseudoRET implicit $v8m8
    ;
    ; RV64I-LABEL: name: vsub_vv_nxv64i8
    ; RV64I: liveins: $v8m8, $v16m8
    ; RV64I-NEXT: {{  $}}
    ; RV64I-NEXT: [[COPY:%[0-9]+]]:vrb(<vscale x 64 x s8>) = COPY $v8m8
    ; RV64I-NEXT: [[COPY1:%[0-9]+]]:vrb(<vscale x 64 x s8>) = COPY $v16m8
    ; RV64I-NEXT: [[SUB:%[0-9]+]]:vrb(<vscale x 64 x s8>) = G_SUB [[COPY]], [[COPY1]]
    ; RV64I-NEXT: $v8m8 = COPY [[SUB]](<vscale x 64 x s8>)
    ; RV64I-NEXT: PseudoRET implicit $v8m8
    %0:_(<vscale x 64 x s8>) = COPY $v8m8
    %1:_(<vscale x 64 x s8>) = COPY $v16m8
    %2:_(<vscale x 64 x s8>) = G_SUB %0, %1
    $v8m8 = COPY %2(<vscale x 64 x s8>)
    PseudoRET implicit $v8m8

...
---
name:            vsub_vv_nxv1i16
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0.entry:
    liveins: $v8, $v9

    ; RV32I-LABEL: name: vsub_vv_nxv1i16
    ; RV32I: liveins: $v8, $v9
    ; RV32I-NEXT: {{  $}}
    ; RV32I-NEXT: [[COPY:%[0-9]+]]:vrb(<vscale x 1 x s16>) = COPY $v8
    ; RV32I-NEXT: [[COPY1:%[0-9]+]]:vrb(<vscale x 1 x s16>) = COPY $v9
    ; RV32I-NEXT: [[SUB:%[0-9]+]]:vrb(<vscale x 1 x s16>) = G_SUB [[COPY]], [[COPY1]]
    ; RV32I-NEXT: $v8 = COPY [[SUB]](<vscale x 1 x s16>)
    ; RV32I-NEXT: PseudoRET implicit $v8
    ;
    ; RV64I-LABEL: name: vsub_vv_nxv1i16
    ; RV64I: liveins: $v8, $v9
    ; RV64I-NEXT: {{  $}}
    ; RV64I-NEXT: [[COPY:%[0-9]+]]:vrb(<vscale x 1 x s16>) = COPY $v8
    ; RV64I-NEXT: [[COPY1:%[0-9]+]]:vrb(<vscale x 1 x s16>) = COPY $v9
    ; RV64I-NEXT: [[SUB:%[0-9]+]]:vrb(<vscale x 1 x s16>) = G_SUB [[COPY]], [[COPY1]]
    ; RV64I-NEXT: $v8 = COPY [[SUB]](<vscale x 1 x s16>)
    ; RV64I-NEXT: PseudoRET implicit $v8
    %0:_(<vscale x 1 x s16>) = COPY $v8
    %1:_(<vscale x 1 x s16>) = COPY $v9
    %2:_(<vscale x 1 x s16>) = G_SUB %0, %1
    $v8 = COPY %2(<vscale x 1 x s16>)
    PseudoRET implicit $v8

...
---
name:            vsub_vv_nxv2i16
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0.entry:
    liveins: $v8, $v9

    ; RV32I-LABEL: name: vsub_vv_nxv2i16
    ; RV32I: liveins: $v8, $v9
    ; RV32I-NEXT: {{  $}}
    ; RV32I-NEXT: [[COPY:%[0-9]+]]:vrb(<vscale x 2 x s16>) = COPY $v8
    ; RV32I-NEXT: [[COPY1:%[0-9]+]]:vrb(<vscale x 2 x s16>) = COPY $v9
    ; RV32I-NEXT: [[SUB:%[0-9]+]]:vrb(<vscale x 2 x s16>) = G_SUB [[COPY]], [[COPY1]]
    ; RV32I-NEXT: $v8 = COPY [[SUB]](<vscale x 2 x s16>)
    ; RV32I-NEXT: PseudoRET implicit $v8
    ;
    ; RV64I-LABEL: name: vsub_vv_nxv2i16
    ; RV64I: liveins: $v8, $v9
    ; RV64I-NEXT: {{  $}}
    ; RV64I-NEXT: [[COPY:%[0-9]+]]:vrb(<vscale x 2 x s16>) = COPY $v8
    ; RV64I-NEXT: [[COPY1:%[0-9]+]]:vrb(<vscale x 2 x s16>) = COPY $v9
    ; RV64I-NEXT: [[SUB:%[0-9]+]]:vrb(<vscale x 2 x s16>) = G_SUB [[COPY]], [[COPY1]]
    ; RV64I-NEXT: $v8 = COPY [[SUB]](<vscale x 2 x s16>)
    ; RV64I-NEXT: PseudoRET implicit $v8
    %0:_(<vscale x 2 x s16>) = COPY $v8
    %1:_(<vscale x 2 x s16>) = COPY $v9
    %2:_(<vscale x 2 x s16>) = G_SUB %0, %1
    $v8 = COPY %2(<vscale x 2 x s16>)
    PseudoRET implicit $v8

...
---
name:            vsub_vv_nxv4i16
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0.entry:
    liveins: $v8, $v9

    ; RV32I-LABEL: name: vsub_vv_nxv4i16
    ; RV32I: liveins: $v8, $v9
    ; RV32I-NEXT: {{  $}}
    ; RV32I-NEXT: [[COPY:%[0-9]+]]:vrb(<vscale x 4 x s16>) = COPY $v8
    ; RV32I-NEXT: [[COPY1:%[0-9]+]]:vrb(<vscale x 4 x s16>) = COPY $v9
    ; RV32I-NEXT: [[SUB:%[0-9]+]]:vrb(<vscale x 4 x s16>) = G_SUB [[COPY]], [[COPY1]]
    ; RV32I-NEXT: $v8 = COPY [[SUB]](<vscale x 4 x s16>)
    ; RV32I-NEXT: PseudoRET implicit $v8
    ;
    ; RV64I-LABEL: name: vsub_vv_nxv4i16
    ; RV64I: liveins: $v8, $v9
    ; RV64I-NEXT: {{  $}}
    ; RV64I-NEXT: [[COPY:%[0-9]+]]:vrb(<vscale x 4 x s16>) = COPY $v8
    ; RV64I-NEXT: [[COPY1:%[0-9]+]]:vrb(<vscale x 4 x s16>) = COPY $v9
    ; RV64I-NEXT: [[SUB:%[0-9]+]]:vrb(<vscale x 4 x s16>) = G_SUB [[COPY]], [[COPY1]]
    ; RV64I-NEXT: $v8 = COPY [[SUB]](<vscale x 4 x s16>)
    ; RV64I-NEXT: PseudoRET implicit $v8
    %0:_(<vscale x 4 x s16>) = COPY $v8
    %1:_(<vscale x 4 x s16>) = COPY $v9
    %2:_(<vscale x 4 x s16>) = G_SUB %0, %1
    $v8 = COPY %2(<vscale x 4 x s16>)
    PseudoRET implicit $v8

...
---
name:            vsub_vv_nxv8i16
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0.entry:
    liveins: $v8m2, $v10m2

    ; RV32I-LABEL: name: vsub_vv_nxv8i16
    ; RV32I: liveins: $v8m2, $v10m2
    ; RV32I-NEXT: {{  $}}
    ; RV32I-NEXT: [[COPY:%[0-9]+]]:vrb(<vscale x 8 x s16>) = COPY $v8m2
    ; RV32I-NEXT: [[COPY1:%[0-9]+]]:vrb(<vscale x 8 x s16>) = COPY $v10m2
    ; RV32I-NEXT: [[SUB:%[0-9]+]]:vrb(<vscale x 8 x s16>) = G_SUB [[COPY]], [[COPY1]]
    ; RV32I-NEXT: $v8m2 = COPY [[SUB]](<vscale x 8 x s16>)
    ; RV32I-NEXT: PseudoRET implicit $v8m2
    ;
    ; RV64I-LABEL: name: vsub_vv_nxv8i16
    ; RV64I: liveins: $v8m2, $v10m2
    ; RV64I-NEXT: {{  $}}
    ; RV64I-NEXT: [[COPY:%[0-9]+]]:vrb(<vscale x 8 x s16>) = COPY $v8m2
    ; RV64I-NEXT: [[COPY1:%[0-9]+]]:vrb(<vscale x 8 x s16>) = COPY $v10m2
    ; RV64I-NEXT: [[SUB:%[0-9]+]]:vrb(<vscale x 8 x s16>) = G_SUB [[COPY]], [[COPY1]]
    ; RV64I-NEXT: $v8m2 = COPY [[SUB]](<vscale x 8 x s16>)
    ; RV64I-NEXT: PseudoRET implicit $v8m2
    %0:_(<vscale x 8 x s16>) = COPY $v8m2
    %1:_(<vscale x 8 x s16>) = COPY $v10m2
    %2:_(<vscale x 8 x s16>) = G_SUB %0, %1
    $v8m2 = COPY %2(<vscale x 8 x s16>)
    PseudoRET implicit $v8m2

...
---
name:            vsub_vv_nxv16i16
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0.entry:
    liveins: $v8m4, $v12m4

    ; RV32I-LABEL: name: vsub_vv_nxv16i16
    ; RV32I: liveins: $v8m4, $v12m4
    ; RV32I-NEXT: {{  $}}
    ; RV32I-NEXT: [[COPY:%[0-9]+]]:vrb(<vscale x 16 x s16>) = COPY $v8m4
    ; RV32I-NEXT: [[COPY1:%[0-9]+]]:vrb(<vscale x 16 x s16>) = COPY $v12m4
    ; RV32I-NEXT: [[SUB:%[0-9]+]]:vrb(<vscale x 16 x s16>) = G_SUB [[COPY]], [[COPY1]]
    ; RV32I-NEXT: $v8m4 = COPY [[SUB]](<vscale x 16 x s16>)
    ; RV32I-NEXT: PseudoRET implicit $v8m4
    ;
    ; RV64I-LABEL: name: vsub_vv_nxv16i16
    ; RV64I: liveins: $v8m4, $v12m4
    ; RV64I-NEXT: {{  $}}
    ; RV64I-NEXT: [[COPY:%[0-9]+]]:vrb(<vscale x 16 x s16>) = COPY $v8m4
    ; RV64I-NEXT: [[COPY1:%[0-9]+]]:vrb(<vscale x 16 x s16>) = COPY $v12m4
    ; RV64I-NEXT: [[SUB:%[0-9]+]]:vrb(<vscale x 16 x s16>) = G_SUB [[COPY]], [[COPY1]]
    ; RV64I-NEXT: $v8m4 = COPY [[SUB]](<vscale x 16 x s16>)
    ; RV64I-NEXT: PseudoRET implicit $v8m4
    %0:_(<vscale x 16 x s16>) = COPY $v8m4
    %1:_(<vscale x 16 x s16>) = COPY $v12m4
    %2:_(<vscale x 16 x s16>) = G_SUB %0, %1
    $v8m4 = COPY %2(<vscale x 16 x s16>)
    PseudoRET implicit $v8m4

...
---
name:            vsub_vv_nxv32i16
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0.entry:
    liveins: $v8m8, $v16m8

    ; RV32I-LABEL: name: vsub_vv_nxv32i16
    ; RV32I: liveins: $v8m8, $v16m8
    ; RV32I-NEXT: {{  $}}
    ; RV32I-NEXT: [[COPY:%[0-9]+]]:vrb(<vscale x 32 x s16>) = COPY $v8m8
    ; RV32I-NEXT: [[COPY1:%[0-9]+]]:vrb(<vscale x 32 x s16>) = COPY $v16m8
    ; RV32I-NEXT: [[SUB:%[0-9]+]]:vrb(<vscale x 32 x s16>) = G_SUB [[COPY]], [[COPY1]]
    ; RV32I-NEXT: $v8m8 = COPY [[SUB]](<vscale x 32 x s16>)
    ; RV32I-NEXT: PseudoRET implicit $v8m8
    ;
    ; RV64I-LABEL: name: vsub_vv_nxv32i16
    ; RV64I: liveins: $v8m8, $v16m8
    ; RV64I-NEXT: {{  $}}
    ; RV64I-NEXT: [[COPY:%[0-9]+]]:vrb(<vscale x 32 x s16>) = COPY $v8m8
    ; RV64I-NEXT: [[COPY1:%[0-9]+]]:vrb(<vscale x 32 x s16>) = COPY $v16m8
    ; RV64I-NEXT: [[SUB:%[0-9]+]]:vrb(<vscale x 32 x s16>) = G_SUB [[COPY]], [[COPY1]]
    ; RV64I-NEXT: $v8m8 = COPY [[SUB]](<vscale x 32 x s16>)
    ; RV64I-NEXT: PseudoRET implicit $v8m8
    %0:_(<vscale x 32 x s16>) = COPY $v8m8
    %1:_(<vscale x 32 x s16>) = COPY $v16m8
    %2:_(<vscale x 32 x s16>) = G_SUB %0, %1
    $v8m8 = COPY %2(<vscale x 32 x s16>)
    PseudoRET implicit $v8m8

...
---
name:            vsub_vv_nxv1i32
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0.entry:
    liveins: $v8, $v9

    ; RV32I-LABEL: name: vsub_vv_nxv1i32
    ; RV32I: liveins: $v8, $v9
    ; RV32I-NEXT: {{  $}}
    ; RV32I-NEXT: [[COPY:%[0-9]+]]:vrb(<vscale x 1 x s32>) = COPY $v8
    ; RV32I-NEXT: [[COPY1:%[0-9]+]]:vrb(<vscale x 1 x s32>) = COPY $v9
    ; RV32I-NEXT: [[SUB:%[0-9]+]]:vrb(<vscale x 1 x s32>) = G_SUB [[COPY]], [[COPY1]]
    ; RV32I-NEXT: $v8 = COPY [[SUB]](<vscale x 1 x s32>)
    ; RV32I-NEXT: PseudoRET implicit $v8
    ;
    ; RV64I-LABEL: name: vsub_vv_nxv1i32
    ; RV64I: liveins: $v8, $v9
    ; RV64I-NEXT: {{  $}}
    ; RV64I-NEXT: [[COPY:%[0-9]+]]:vrb(<vscale x 1 x s32>) = COPY $v8
    ; RV64I-NEXT: [[COPY1:%[0-9]+]]:vrb(<vscale x 1 x s32>) = COPY $v9
    ; RV64I-NEXT: [[SUB:%[0-9]+]]:vrb(<vscale x 1 x s32>) = G_SUB [[COPY]], [[COPY1]]
    ; RV64I-NEXT: $v8 = COPY [[SUB]](<vscale x 1 x s32>)
    ; RV64I-NEXT: PseudoRET implicit $v8
    %0:_(<vscale x 1 x s32>) = COPY $v8
    %1:_(<vscale x 1 x s32>) = COPY $v9
    %2:_(<vscale x 1 x s32>) = G_SUB %0, %1
    $v8 = COPY %2(<vscale x 1 x s32>)
    PseudoRET implicit $v8

...
---
name:            vsub_vv_nxv2i32
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0.entry:
    liveins: $v8, $v9

    ; RV32I-LABEL: name: vsub_vv_nxv2i32
    ; RV32I: liveins: $v8, $v9
    ; RV32I-NEXT: {{  $}}
    ; RV32I-NEXT: [[COPY:%[0-9]+]]:vrb(<vscale x 2 x s32>) = COPY $v8
    ; RV32I-NEXT: [[COPY1:%[0-9]+]]:vrb(<vscale x 2 x s32>) = COPY $v9
    ; RV32I-NEXT: [[SUB:%[0-9]+]]:vrb(<vscale x 2 x s32>) = G_SUB [[COPY]], [[COPY1]]
    ; RV32I-NEXT: $v8 = COPY [[SUB]](<vscale x 2 x s32>)
    ; RV32I-NEXT: PseudoRET implicit $v8
    ;
    ; RV64I-LABEL: name: vsub_vv_nxv2i32
    ; RV64I: liveins: $v8, $v9
    ; RV64I-NEXT: {{  $}}
    ; RV64I-NEXT: [[COPY:%[0-9]+]]:vrb(<vscale x 2 x s32>) = COPY $v8
    ; RV64I-NEXT: [[COPY1:%[0-9]+]]:vrb(<vscale x 2 x s32>) = COPY $v9
    ; RV64I-NEXT: [[SUB:%[0-9]+]]:vrb(<vscale x 2 x s32>) = G_SUB [[COPY]], [[COPY1]]
    ; RV64I-NEXT: $v8 = COPY [[SUB]](<vscale x 2 x s32>)
    ; RV64I-NEXT: PseudoRET implicit $v8
    %0:_(<vscale x 2 x s32>) = COPY $v8
    %1:_(<vscale x 2 x s32>) = COPY $v9
    %2:_(<vscale x 2 x s32>) = G_SUB %0, %1
    $v8 = COPY %2(<vscale x 2 x s32>)
    PseudoRET implicit $v8

...
---
name:            vsub_vv_nxv4i32
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0.entry:
    liveins: $v8m2, $v10m2

    ; RV32I-LABEL: name: vsub_vv_nxv4i32
    ; RV32I: liveins: $v8m2, $v10m2
    ; RV32I-NEXT: {{  $}}
    ; RV32I-NEXT: [[COPY:%[0-9]+]]:vrb(<vscale x 4 x s32>) = COPY $v8m2
    ; RV32I-NEXT: [[COPY1:%[0-9]+]]:vrb(<vscale x 4 x s32>) = COPY $v10m2
    ; RV32I-NEXT: [[SUB:%[0-9]+]]:vrb(<vscale x 4 x s32>) = G_SUB [[COPY]], [[COPY1]]
    ; RV32I-NEXT: $v8m2 = COPY [[SUB]](<vscale x 4 x s32>)
    ; RV32I-NEXT: PseudoRET implicit $v8m2
    ;
    ; RV64I-LABEL: name: vsub_vv_nxv4i32
    ; RV64I: liveins: $v8m2, $v10m2
    ; RV64I-NEXT: {{  $}}
    ; RV64I-NEXT: [[COPY:%[0-9]+]]:vrb(<vscale x 4 x s32>) = COPY $v8m2
    ; RV64I-NEXT: [[COPY1:%[0-9]+]]:vrb(<vscale x 4 x s32>) = COPY $v10m2
    ; RV64I-NEXT: [[SUB:%[0-9]+]]:vrb(<vscale x 4 x s32>) = G_SUB [[COPY]], [[COPY1]]
    ; RV64I-NEXT: $v8m2 = COPY [[SUB]](<vscale x 4 x s32>)
    ; RV64I-NEXT: PseudoRET implicit $v8m2
    %0:_(<vscale x 4 x s32>) = COPY $v8m2
    %1:_(<vscale x 4 x s32>) = COPY $v10m2
    %2:_(<vscale x 4 x s32>) = G_SUB %0, %1
    $v8m2 = COPY %2(<vscale x 4 x s32>)
    PseudoRET implicit $v8m2

...
---
name:            vsub_vv_nxv8i32
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0.entry:
    liveins: $v8m4, $v12m4

    ; RV32I-LABEL: name: vsub_vv_nxv8i32
    ; RV32I: liveins: $v8m4, $v12m4
    ; RV32I-NEXT: {{  $}}
    ; RV32I-NEXT: [[COPY:%[0-9]+]]:vrb(<vscale x 8 x s32>) = COPY $v8m4
    ; RV32I-NEXT: [[COPY1:%[0-9]+]]:vrb(<vscale x 8 x s32>) = COPY $v12m4
    ; RV32I-NEXT: [[SUB:%[0-9]+]]:vrb(<vscale x 8 x s32>) = G_SUB [[COPY]], [[COPY1]]
    ; RV32I-NEXT: $v8m4 = COPY [[SUB]](<vscale x 8 x s32>)
    ; RV32I-NEXT: PseudoRET implicit $v8m4
    ;
    ; RV64I-LABEL: name: vsub_vv_nxv8i32
    ; RV64I: liveins: $v8m4, $v12m4
    ; RV64I-NEXT: {{  $}}
    ; RV64I-NEXT: [[COPY:%[0-9]+]]:vrb(<vscale x 8 x s32>) = COPY $v8m4
    ; RV64I-NEXT: [[COPY1:%[0-9]+]]:vrb(<vscale x 8 x s32>) = COPY $v12m4
    ; RV64I-NEXT: [[SUB:%[0-9]+]]:vrb(<vscale x 8 x s32>) = G_SUB [[COPY]], [[COPY1]]
    ; RV64I-NEXT: $v8m4 = COPY [[SUB]](<vscale x 8 x s32>)
    ; RV64I-NEXT: PseudoRET implicit $v8m4
    %0:_(<vscale x 8 x s32>) = COPY $v8m4
    %1:_(<vscale x 8 x s32>) = COPY $v12m4
    %2:_(<vscale x 8 x s32>) = G_SUB %0, %1
    $v8m4 = COPY %2(<vscale x 8 x s32>)
    PseudoRET implicit $v8m4

...
---
name:            vsub_vv_nxv16i32
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0.entry:
    liveins: $v8m8, $v16m8

    ; RV32I-LABEL: name: vsub_vv_nxv16i32
    ; RV32I: liveins: $v8m8, $v16m8
    ; RV32I-NEXT: {{  $}}
    ; RV32I-NEXT: [[COPY:%[0-9]+]]:vrb(<vscale x 16 x s32>) = COPY $v8m8
    ; RV32I-NEXT: [[COPY1:%[0-9]+]]:vrb(<vscale x 16 x s32>) = COPY $v16m8
    ; RV32I-NEXT: [[SUB:%[0-9]+]]:vrb(<vscale x 16 x s32>) = G_SUB [[COPY]], [[COPY1]]
    ; RV32I-NEXT: $v8m8 = COPY [[SUB]](<vscale x 16 x s32>)
    ; RV32I-NEXT: PseudoRET implicit $v8m8
    ;
    ; RV64I-LABEL: name: vsub_vv_nxv16i32
    ; RV64I: liveins: $v8m8, $v16m8
    ; RV64I-NEXT: {{  $}}
    ; RV64I-NEXT: [[COPY:%[0-9]+]]:vrb(<vscale x 16 x s32>) = COPY $v8m8
    ; RV64I-NEXT: [[COPY1:%[0-9]+]]:vrb(<vscale x 16 x s32>) = COPY $v16m8
    ; RV64I-NEXT: [[SUB:%[0-9]+]]:vrb(<vscale x 16 x s32>) = G_SUB [[COPY]], [[COPY1]]
    ; RV64I-NEXT: $v8m8 = COPY [[SUB]](<vscale x 16 x s32>)
    ; RV64I-NEXT: PseudoRET implicit $v8m8
    %0:_(<vscale x 16 x s32>) = COPY $v8m8
    %1:_(<vscale x 16 x s32>) = COPY $v16m8
    %2:_(<vscale x 16 x s32>) = G_SUB %0, %1
    $v8m8 = COPY %2(<vscale x 16 x s32>)
    PseudoRET implicit $v8m8

...
---
name:            vsub_vv_nxv1i64
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0.entry:
    liveins: $v8, $v9

    ; RV32I-LABEL: name: vsub_vv_nxv1i64
    ; RV32I: liveins: $v8, $v9
    ; RV32I-NEXT: {{  $}}
    ; RV32I-NEXT: [[COPY:%[0-9]+]]:vrb(<vscale x 1 x s64>) = COPY $v8
    ; RV32I-NEXT: [[COPY1:%[0-9]+]]:vrb(<vscale x 1 x s64>) = COPY $v9
    ; RV32I-NEXT: [[SUB:%[0-9]+]]:vrb(<vscale x 1 x s64>) = G_SUB [[COPY]], [[COPY1]]
    ; RV32I-NEXT: $v8 = COPY [[SUB]](<vscale x 1 x s64>)
    ; RV32I-NEXT: PseudoRET implicit $v8
    ;
    ; RV64I-LABEL: name: vsub_vv_nxv1i64
    ; RV64I: liveins: $v8, $v9
    ; RV64I-NEXT: {{  $}}
    ; RV64I-NEXT: [[COPY:%[0-9]+]]:vrb(<vscale x 1 x s64>) = COPY $v8
    ; RV64I-NEXT: [[COPY1:%[0-9]+]]:vrb(<vscale x 1 x s64>) = COPY $v9
    ; RV64I-NEXT: [[SUB:%[0-9]+]]:vrb(<vscale x 1 x s64>) = G_SUB [[COPY]], [[COPY1]]
    ; RV64I-NEXT: $v8 = COPY [[SUB]](<vscale x 1 x s64>)
    ; RV64I-NEXT: PseudoRET implicit $v8
    %0:_(<vscale x 1 x s64>) = COPY $v8
    %1:_(<vscale x 1 x s64>) = COPY $v9
    %2:_(<vscale x 1 x s64>) = G_SUB %0, %1
    $v8 = COPY %2(<vscale x 1 x s64>)
    PseudoRET implicit $v8

...
---
name:            vsub_vv_nxv2i64
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0.entry:
    liveins: $v8m2, $v10m2

    ; RV32I-LABEL: name: vsub_vv_nxv2i64
    ; RV32I: liveins: $v8m2, $v10m2
    ; RV32I-NEXT: {{  $}}
    ; RV32I-NEXT: [[COPY:%[0-9]+]]:vrb(<vscale x 2 x s64>) = COPY $v8m2
    ; RV32I-NEXT: [[COPY1:%[0-9]+]]:vrb(<vscale x 2 x s64>) = COPY $v10m2
    ; RV32I-NEXT: [[SUB:%[0-9]+]]:vrb(<vscale x 2 x s64>) = G_SUB [[COPY]], [[COPY1]]
    ; RV32I-NEXT: $v8m2 = COPY [[SUB]](<vscale x 2 x s64>)
    ; RV32I-NEXT: PseudoRET implicit $v8m2
    ;
    ; RV64I-LABEL: name: vsub_vv_nxv2i64
    ; RV64I: liveins: $v8m2, $v10m2
    ; RV64I-NEXT: {{  $}}
    ; RV64I-NEXT: [[COPY:%[0-9]+]]:vrb(<vscale x 2 x s64>) = COPY $v8m2
    ; RV64I-NEXT: [[COPY1:%[0-9]+]]:vrb(<vscale x 2 x s64>) = COPY $v10m2
    ; RV64I-NEXT: [[SUB:%[0-9]+]]:vrb(<vscale x 2 x s64>) = G_SUB [[COPY]], [[COPY1]]
    ; RV64I-NEXT: $v8m2 = COPY [[SUB]](<vscale x 2 x s64>)
    ; RV64I-NEXT: PseudoRET implicit $v8m2
    %0:_(<vscale x 2 x s64>) = COPY $v8m2
    %1:_(<vscale x 2 x s64>) = COPY $v10m2
    %2:_(<vscale x 2 x s64>) = G_SUB %0, %1
    $v8m2 = COPY %2(<vscale x 2 x s64>)
    PseudoRET implicit $v8m2

...
---
name:            vsub_vv_nxv4i64
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0.entry:
    liveins: $v8m4, $v12m4

    ; RV32I-LABEL: name: vsub_vv_nxv4i64
    ; RV32I: liveins: $v8m4, $v12m4
    ; RV32I-NEXT: {{  $}}
    ; RV32I-NEXT: [[COPY:%[0-9]+]]:vrb(<vscale x 4 x s64>) = COPY $v8m4
    ; RV32I-NEXT: [[COPY1:%[0-9]+]]:vrb(<vscale x 4 x s64>) = COPY $v12m4
    ; RV32I-NEXT: [[SUB:%[0-9]+]]:vrb(<vscale x 4 x s64>) = G_SUB [[COPY]], [[COPY1]]
    ; RV32I-NEXT: $v8m4 = COPY [[SUB]](<vscale x 4 x s64>)
    ; RV32I-NEXT: PseudoRET implicit $v8m4
    ;
    ; RV64I-LABEL: name: vsub_vv_nxv4i64
    ; RV64I: liveins: $v8m4, $v12m4
    ; RV64I-NEXT: {{  $}}
    ; RV64I-NEXT: [[COPY:%[0-9]+]]:vrb(<vscale x 4 x s64>) = COPY $v8m4
    ; RV64I-NEXT: [[COPY1:%[0-9]+]]:vrb(<vscale x 4 x s64>) = COPY $v12m4
    ; RV64I-NEXT: [[SUB:%[0-9]+]]:vrb(<vscale x 4 x s64>) = G_SUB [[COPY]], [[COPY1]]
    ; RV64I-NEXT: $v8m4 = COPY [[SUB]](<vscale x 4 x s64>)
    ; RV64I-NEXT: PseudoRET implicit $v8m4
    %0:_(<vscale x 4 x s64>) = COPY $v8m4
    %1:_(<vscale x 4 x s64>) = COPY $v12m4
    %2:_(<vscale x 4 x s64>) = G_SUB %0, %1
    $v8m4 = COPY %2(<vscale x 4 x s64>)
    PseudoRET implicit $v8m4

...
---
name:            vsub_vv_nxv8i64
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0.entry:
    liveins: $v8m8, $v16m8

    ; RV32I-LABEL: name: vsub_vv_nxv8i64
    ; RV32I: liveins: $v8m8, $v16m8
    ; RV32I-NEXT: {{  $}}
    ; RV32I-NEXT: [[COPY:%[0-9]+]]:vrb(<vscale x 8 x s64>) = COPY $v8m8
    ; RV32I-NEXT: [[COPY1:%[0-9]+]]:vrb(<vscale x 8 x s64>) = COPY $v16m8
    ; RV32I-NEXT: [[SUB:%[0-9]+]]:vrb(<vscale x 8 x s64>) = G_SUB [[COPY]], [[COPY1]]
    ; RV32I-NEXT: $v8m8 = COPY [[SUB]](<vscale x 8 x s64>)
    ; RV32I-NEXT: PseudoRET implicit $v8m8
    ;
    ; RV64I-LABEL: name: vsub_vv_nxv8i64
    ; RV64I: liveins: $v8m8, $v16m8
    ; RV64I-NEXT: {{  $}}
    ; RV64I-NEXT: [[COPY:%[0-9]+]]:vrb(<vscale x 8 x s64>) = COPY $v8m8
    ; RV64I-NEXT: [[COPY1:%[0-9]+]]:vrb(<vscale x 8 x s64>) = COPY $v16m8
    ; RV64I-NEXT: [[SUB:%[0-9]+]]:vrb(<vscale x 8 x s64>) = G_SUB [[COPY]], [[COPY1]]
    ; RV64I-NEXT: $v8m8 = COPY [[SUB]](<vscale x 8 x s64>)
    ; RV64I-NEXT: PseudoRET implicit $v8m8
    %0:_(<vscale x 8 x s64>) = COPY $v8m8
    %1:_(<vscale x 8 x s64>) = COPY $v16m8
    %2:_(<vscale x 8 x s64>) = G_SUB %0, %1
    $v8m8 = COPY %2(<vscale x 8 x s64>)
    PseudoRET implicit $v8m8

...