# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=aarch64 -run-pass=legalizer %s -o - | FileCheck %s

---
name:            test_scalar_sub_big
body:             |
  bb.0.entry:
    ; CHECK-LABEL: name: test_scalar_sub_big
    ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
    ; CHECK-NEXT: [[COPY2:%[0-9]+]]:_(s64) = COPY $x2
    ; CHECK-NEXT: [[COPY3:%[0-9]+]]:_(s64) = COPY $x3
    ; CHECK-NEXT: [[USUBO:%[0-9]+]]:_(s64), [[USUBO1:%[0-9]+]]:_(s32) = G_USUBO [[COPY]], [[COPY2]]
    ; CHECK-NEXT: [[USUBE:%[0-9]+]]:_(s64), [[USUBE1:%[0-9]+]]:_(s32) = G_USUBE [[COPY1]], [[COPY3]], [[USUBO1]]
    ; CHECK-NEXT: $x0 = COPY [[USUBO]](s64)
    ; CHECK-NEXT: $x1 = COPY [[USUBE]](s64)
    %0:_(s64) = COPY $x0
    %1:_(s64) = COPY $x1
    %2:_(s64) = COPY $x2
    %3:_(s64) = COPY $x3
    %4:_(s128) = G_MERGE_VALUES %0(s64), %1(s64)
    %5:_(s128) = G_MERGE_VALUES %2(s64), %3(s64)
    %6:_(s128) = G_SUB %4, %5
    %7:_(s64), %8:_(s64) = G_UNMERGE_VALUES %6(s128)
    $x0 = COPY %7(s64)
    $x1 = COPY %8(s64)

...
---
name:            test_scalar_sub_big_nonpow2
body:             |
  bb.0.entry:
    ; CHECK-LABEL: name: test_scalar_sub_big_nonpow2
    ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
    ; CHECK-NEXT: [[COPY2:%[0-9]+]]:_(s64) = COPY $x2
    ; CHECK-NEXT: [[COPY3:%[0-9]+]]:_(s64) = COPY $x3
    ; CHECK-NEXT: [[USUBO:%[0-9]+]]:_(s64), [[USUBO1:%[0-9]+]]:_(s32) = G_USUBO [[COPY]], [[COPY1]]
    ; CHECK-NEXT: [[USUBE:%[0-9]+]]:_(s64), [[USUBE1:%[0-9]+]]:_(s32) = G_USUBE [[COPY1]], [[COPY2]], [[USUBO1]]
    ; CHECK-NEXT: [[USUBE2:%[0-9]+]]:_(s64), [[USUBE3:%[0-9]+]]:_(s32) = G_USUBE [[COPY2]], [[COPY3]], [[USUBE1]]
    ; CHECK-NEXT: $x0 = COPY [[USUBO]](s64)
    ; CHECK-NEXT: $x1 = COPY [[USUBE]](s64)
    ; CHECK-NEXT: $x2 = COPY [[USUBE2]](s64)
    %0:_(s64) = COPY $x0
    %1:_(s64) = COPY $x1
    %2:_(s64) = COPY $x2
    %3:_(s64) = COPY $x3
    %4:_(s192) = G_MERGE_VALUES %0(s64), %1(s64), %2(s64)
    %5:_(s192) = G_MERGE_VALUES %1(s64), %2(s64), %3(s64)
    %6:_(s192) = G_SUB %4, %5
    %7:_(s64), %8:_(s64), %9:_(s64) = G_UNMERGE_VALUES %6(s192)
    $x0 = COPY %7(s64)
    $x1 = COPY %8(s64)
    $x2 = COPY %9(s64)

...
---
name:            test_scalar_sub_small
body:             |
  bb.0.entry:
    ; CHECK-LABEL: name: test_scalar_sub_small
    ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
    ; CHECK-NEXT: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY]](s64)
    ; CHECK-NEXT: [[TRUNC1:%[0-9]+]]:_(s32) = G_TRUNC [[COPY1]](s64)
    ; CHECK-NEXT: [[SUB:%[0-9]+]]:_(s32) = G_SUB [[TRUNC]], [[TRUNC1]]
    ; CHECK-NEXT: [[ANYEXT:%[0-9]+]]:_(s64) = G_ANYEXT [[SUB]](s32)
    ; CHECK-NEXT: $x0 = COPY [[ANYEXT]](s64)
    %0:_(s64) = COPY $x0
    %1:_(s64) = COPY $x1
    %2:_(s8) = G_TRUNC %0(s64)
    %3:_(s8) = G_TRUNC %1(s64)
    %4:_(s8) = G_SUB %2, %3
    %5:_(s64) = G_ANYEXT %4(s8)
    $x0 = COPY %5(s64)

...
---
name:            test_vector_sub_v16s16
body:             |
  bb.0.entry:
    ; CHECK-LABEL: name: test_vector_sub_v16s16
    ; CHECK: [[COPY:%[0-9]+]]:_(<8 x s16>) = COPY $q0
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(<8 x s16>) = COPY $q1
    ; CHECK-NEXT: [[SUB:%[0-9]+]]:_(<8 x s16>) = G_SUB [[COPY]], [[COPY]]
    ; CHECK-NEXT: [[SUB1:%[0-9]+]]:_(<8 x s16>) = G_SUB [[COPY1]], [[COPY1]]
    ; CHECK-NEXT: $q0 = COPY [[SUB]](<8 x s16>)
    ; CHECK-NEXT: $q1 = COPY [[SUB1]](<8 x s16>)
    %1:_(<8 x s16>) = COPY $q0
    %2:_(<8 x s16>) = COPY $q1
    %0:_(<16 x s16>) = G_CONCAT_VECTORS %1(<8 x s16>), %2(<8 x s16>)
    %3:_(<16 x s16>) = G_SUB %0, %0
    %4:_(<8 x s16>), %5:_(<8 x s16>) = G_UNMERGE_VALUES %3(<16 x s16>)
    $q0 = COPY %4(<8 x s16>)
    $q1 = COPY %5(<8 x s16>)

...
---
name:            test_vector_sub_v32s8
body:             |
  bb.0.entry:
    ; CHECK-LABEL: name: test_vector_sub_v32s8
    ; CHECK: [[COPY:%[0-9]+]]:_(<16 x s8>) = COPY $q0
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(<16 x s8>) = COPY $q1
    ; CHECK-NEXT: [[SUB:%[0-9]+]]:_(<16 x s8>) = G_SUB [[COPY]], [[COPY]]
    ; CHECK-NEXT: [[SUB1:%[0-9]+]]:_(<16 x s8>) = G_SUB [[COPY1]], [[COPY1]]
    ; CHECK-NEXT: $q0 = COPY [[SUB]](<16 x s8>)
    ; CHECK-NEXT: $q1 = COPY [[SUB1]](<16 x s8>)
    %0:_(<16 x s8>) = COPY $q0
    %1:_(<16 x s8>) = COPY $q1
    %2:_(<32 x s8>) = G_CONCAT_VECTORS %0, %1
    %3:_(<32 x s8>) = G_SUB %2, %2
    %7:_(<16 x s8>), %8:_(<16 x s8>) = G_UNMERGE_VALUES %3(<32 x s8>)
    $q0 = COPY %7(<16 x s8>)
    $q1 = COPY %8(<16 x s8>)

...
---
name:            sub_v2s1
tracksRegLiveness: true
body:             |
  bb.1:
    liveins: $d0, $d1, $d2, $d3

    ; CHECK-LABEL: name: sub_v2s1
    ; CHECK: liveins: $d0, $d1, $d2, $d3
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(<2 x s32>) = COPY $d0
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(<2 x s32>) = COPY $d1
    ; CHECK-NEXT: [[COPY2:%[0-9]+]]:_(<2 x s32>) = COPY $d2
    ; CHECK-NEXT: [[COPY3:%[0-9]+]]:_(<2 x s32>) = COPY $d3
    ; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(<2 x s32>) = G_ICMP intpred(eq), [[COPY]](<2 x s32>), [[COPY1]]
    ; CHECK-NEXT: [[ICMP1:%[0-9]+]]:_(<2 x s32>) = G_ICMP intpred(eq), [[COPY2]](<2 x s32>), [[COPY3]]
    ; CHECK-NEXT: [[SUB:%[0-9]+]]:_(<2 x s32>) = G_SUB [[ICMP]], [[ICMP1]]
    ; CHECK-NEXT: $d0 = COPY [[SUB]](<2 x s32>)
    ; CHECK-NEXT: RET_ReallyLR implicit $d0
    %0:_(<2 x s32>) = COPY $d0
    %1:_(<2 x s32>) = COPY $d1
    %2:_(<2 x s32>) = COPY $d2
    %3:_(<2 x s32>) = COPY $d3
    %4:_(<2 x s1>) = G_ICMP intpred(eq), %0(<2 x s32>), %1
    %5:_(<2 x s1>) = G_ICMP intpred(eq), %2(<2 x s32>), %3
    %6:_(<2 x s1>) = G_SUB %4, %5
    %7:_(<2 x s32>) = G_ANYEXT %6
    $d0 = COPY %7:_(<2 x s32>)
    RET_ReallyLR implicit $d0
...
---
name:            sub_v3s1
tracksRegLiveness: true
body:             |
  bb.1:
    liveins: $b0, $b1, $b2

    ; CHECK-LABEL: name: sub_v3s1
    ; CHECK: liveins: $b0, $b1, $b2
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s8) = COPY $b0
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s8) = COPY $b1
    ; CHECK-NEXT: [[COPY2:%[0-9]+]]:_(s8) = COPY $b2
    ; CHECK-NEXT: [[ANYEXT:%[0-9]+]]:_(s16) = G_ANYEXT [[COPY]](s8)
    ; CHECK-NEXT: [[ANYEXT1:%[0-9]+]]:_(s16) = G_ANYEXT [[COPY1]](s8)
    ; CHECK-NEXT: [[ANYEXT2:%[0-9]+]]:_(s16) = G_ANYEXT [[COPY2]](s8)
    ; CHECK-NEXT: [[DEF:%[0-9]+]]:_(s16) = G_IMPLICIT_DEF
    ; CHECK-NEXT: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s16>) = G_BUILD_VECTOR [[ANYEXT]](s16), [[ANYEXT1]](s16), [[ANYEXT2]](s16), [[DEF]](s16)
    ; CHECK-NEXT: [[SUB:%[0-9]+]]:_(<4 x s16>) = G_SUB [[BUILD_VECTOR]], [[BUILD_VECTOR]]
    ; CHECK-NEXT: [[UV:%[0-9]+]]:_(s16), [[UV1:%[0-9]+]]:_(s16), [[UV2:%[0-9]+]]:_(s16), [[UV3:%[0-9]+]]:_(s16) = G_UNMERGE_VALUES [[SUB]](<4 x s16>)
    ; CHECK-NEXT: [[TRUNC:%[0-9]+]]:_(s8) = G_TRUNC [[UV]](s16)
    ; CHECK-NEXT: $b0 = COPY [[TRUNC]](s8)
    ; CHECK-NEXT: RET_ReallyLR implicit $b0
    %1:_(s8) = COPY $b0
    %2:_(s8) = COPY $b1
    %3:_(s8) = COPY $b2
    %4:_(<3 x s8>) = G_BUILD_VECTOR %1(s8), %2(s8), %3(s8)
    %0:_(<3 x s1>) = G_TRUNC %4(<3 x s8>)
    %5:_(<3 x s1>) = G_SUB %0, %0
    %7:_(<3 x s8>) = G_ANYEXT %5(<3 x s1>)
    %8:_(s8), %9:_(s8), %10:_(s8) = G_UNMERGE_VALUES %7(<3 x s8>)
    $b0 = COPY %8:_(s8)
    RET_ReallyLR implicit $b0
...
---
name:            sub_v4s1
tracksRegLiveness: true
body:             |
  bb.1:
    liveins: $d0, $d1, $d2, $d3

    ; CHECK-LABEL: name: sub_v4s1
    ; CHECK: liveins: $d0, $d1, $d2, $d3
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(<4 x s16>) = COPY $d0
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(<4 x s16>) = COPY $d1
    ; CHECK-NEXT: [[COPY2:%[0-9]+]]:_(<4 x s16>) = COPY $d2
    ; CHECK-NEXT: [[COPY3:%[0-9]+]]:_(<4 x s16>) = COPY $d3
    ; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(<4 x s16>) = G_ICMP intpred(eq), [[COPY]](<4 x s16>), [[COPY1]]
    ; CHECK-NEXT: [[ICMP1:%[0-9]+]]:_(<4 x s16>) = G_ICMP intpred(eq), [[COPY2]](<4 x s16>), [[COPY3]]
    ; CHECK-NEXT: [[SUB:%[0-9]+]]:_(<4 x s16>) = G_SUB [[ICMP]], [[ICMP1]]
    ; CHECK-NEXT: $d0 = COPY [[SUB]](<4 x s16>)
    ; CHECK-NEXT: RET_ReallyLR implicit $d0
    %0:_(<4 x s16>) = COPY $d0
    %1:_(<4 x s16>) = COPY $d1
    %2:_(<4 x s16>) = COPY $d2
    %3:_(<4 x s16>) = COPY $d3
    %4:_(<4 x s1>) = G_ICMP intpred(eq), %0(<4 x s16>), %1
    %5:_(<4 x s1>) = G_ICMP intpred(eq), %2(<4 x s16>), %3
    %6:_(<4 x s1>) = G_SUB %4, %5
    %7:_(<4 x s16>) = G_ANYEXT %6
    $d0 = COPY %7:_(<4 x s16>)
    RET_ReallyLR implicit $d0
...
---
name:            sub_v8s1
tracksRegLiveness: true
body:             |
  bb.1:
    liveins: $d0, $d1, $d2, $d3

    ; CHECK-LABEL: name: sub_v8s1
    ; CHECK: liveins: $d0, $d1, $d2, $d3
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(<8 x s8>) = COPY $d0
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(<8 x s8>) = COPY $d1
    ; CHECK-NEXT: [[COPY2:%[0-9]+]]:_(<8 x s8>) = COPY $d2
    ; CHECK-NEXT: [[COPY3:%[0-9]+]]:_(<8 x s8>) = COPY $d3
    ; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(<8 x s8>) = G_ICMP intpred(eq), [[COPY]](<8 x s8>), [[COPY1]]
    ; CHECK-NEXT: [[ICMP1:%[0-9]+]]:_(<8 x s8>) = G_ICMP intpred(eq), [[COPY2]](<8 x s8>), [[COPY3]]
    ; CHECK-NEXT: [[SUB:%[0-9]+]]:_(<8 x s8>) = G_SUB [[ICMP]], [[ICMP1]]
    ; CHECK-NEXT: $d0 = COPY [[SUB]](<8 x s8>)
    ; CHECK-NEXT: RET_ReallyLR implicit $d0
    %0:_(<8 x s8>) = COPY $d0
    %1:_(<8 x s8>) = COPY $d1
    %2:_(<8 x s8>) = COPY $d2
    %3:_(<8 x s8>) = COPY $d3
    %4:_(<8 x s1>) = G_ICMP intpred(eq), %0(<8 x s8>), %1
    %5:_(<8 x s1>) = G_ICMP intpred(eq), %2(<8 x s8>), %3
    %6:_(<8 x s1>) = G_SUB %4, %5
    %7:_(<8 x s8>) = G_ANYEXT %6
    $d0 = COPY %7:_(<8 x s8>)
    RET_ReallyLR implicit $d0
...
---
name:            sub_v16s1
tracksRegLiveness: true
body:             |
  bb.1:
    liveins: $q0, $q1, $q2, $q3

    ; CHECK-LABEL: name: sub_v16s1
    ; CHECK: liveins: $q0, $q1, $q2, $q3
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(<16 x s8>) = COPY $q0
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(<16 x s8>) = COPY $q1
    ; CHECK-NEXT: [[COPY2:%[0-9]+]]:_(<16 x s8>) = COPY $q2
    ; CHECK-NEXT: [[COPY3:%[0-9]+]]:_(<16 x s8>) = COPY $q3
    ; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(<16 x s8>) = G_ICMP intpred(eq), [[COPY]](<16 x s8>), [[COPY1]]
    ; CHECK-NEXT: [[ICMP1:%[0-9]+]]:_(<16 x s8>) = G_ICMP intpred(eq), [[COPY2]](<16 x s8>), [[COPY3]]
    ; CHECK-NEXT: [[SUB:%[0-9]+]]:_(<16 x s8>) = G_SUB [[ICMP]], [[ICMP1]]
    ; CHECK-NEXT: $q0 = COPY [[SUB]](<16 x s8>)
    ; CHECK-NEXT: RET_ReallyLR implicit $q0
    %0:_(<16 x s8>) = COPY $q0
    %1:_(<16 x s8>) = COPY $q1
    %2:_(<16 x s8>) = COPY $q2
    %3:_(<16 x s8>) = COPY $q3
    %4:_(<16 x s1>) = G_ICMP intpred(eq), %0(<16 x s8>), %1
    %5:_(<16 x s1>) = G_ICMP intpred(eq), %2(<16 x s8>), %3
    %6:_(<16 x s1>) = G_SUB %4, %5
    %7:_(<16 x s8>) = G_ANYEXT %6
    $q0 = COPY %7:_(<16 x s8>)
    RET_ReallyLR implicit $q0
...