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


---
name:   APlusBMinusCMinusB
body:             |
  bb.0:
    liveins: $x0, $x1, $x2
    ; CHECK-LABEL: name: APlusBMinusCMinusB
    ; CHECK: liveins: $x0, $x1, $x2
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: %a:_(s64) = COPY $x0
    ; CHECK-NEXT: %c:_(s64) = COPY $x2
    ; CHECK-NEXT: %sub:_(s64) = G_SUB %a, %c
    ; CHECK-NEXT: $x0 = COPY %sub(s64)
    ; CHECK-NEXT: RET_ReallyLR implicit $x0
    %a:_(s64) = COPY $x0
    %b:_(s64) = COPY $x1
    %c:_(s64) = COPY $x2
    %sub1:_(s64) = G_SUB %b, %c
    %add1:_(s64) = G_ADD %a, %sub1
    %sub:_(s64) = G_SUB %add1, %b
    $x0 = COPY %sub
    RET_ReallyLR implicit $x0

...
---
name:   AMinusBMinusCMinusC
body:             |
  bb.0:
    liveins: $x0, $x1, $x2
    ; CHECK-LABEL: name: AMinusBMinusCMinusC
    ; CHECK: liveins: $x0, $x1, $x2
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: %a:_(s64) = COPY $x0
    ; CHECK-NEXT: %b:_(s64) = COPY $x1
    ; CHECK-NEXT: %sub:_(s64) = G_SUB %a, %b
    ; CHECK-NEXT: $x0 = COPY %sub(s64)
    ; CHECK-NEXT: RET_ReallyLR implicit $x0
    %a:_(s64) = COPY $x0
    %b:_(s64) = COPY $x1
    %c:_(s64) = COPY $x2
    %sub1:_(s64) = G_SUB %b, %c
    %sub2:_(s64) = G_SUB %a, %sub1
    %sub:_(s64) = G_SUB %sub2, %c
    $x0 = COPY %sub
    RET_ReallyLR implicit $x0

...
---
name:   ZeroMinusAPlusB
body:             |
  bb.0:
    liveins: $w0, $w1

    ; CHECK-LABEL: name: ZeroMinusAPlusB
    ; CHECK: liveins: $w0, $w1
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: %a:_(s32) = COPY $w0
    ; CHECK-NEXT: %b:_(s32) = COPY $w0
    ; CHECK-NEXT: %add:_(s32) = G_SUB %b, %a
    ; CHECK-NEXT: $w0 = COPY %add(s32)
    ; CHECK-NEXT: RET_ReallyLR implicit $w0
    %x:_(s32) = COPY $w0
    %a:_(s32) = COPY $w0
    %b:_(s32) = COPY $w0
    %zero:_(s32) = G_CONSTANT i32 0
    %sub:_(s32) = G_SUB %zero, %a
    %add:_(s32) = G_ADD %sub, %b
    $w0 = COPY %add
    RET_ReallyLR implicit $w0

...
---
name:   ZeroMinusAPlusB_multi_use
body:             |
  bb.0:
    liveins: $w0, $w1

    ; CHECK-LABEL: name: ZeroMinusAPlusB_multi_use
    ; CHECK: liveins: $w0, $w1
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: %a:_(s32) = COPY $w0
    ; CHECK-NEXT: %b:_(s32) = COPY $w0
    ; CHECK-NEXT: %zero:_(s32) = G_CONSTANT i32 0
    ; CHECK-NEXT: %sub:_(s32) = G_SUB %zero, %a
    ; CHECK-NEXT: %add:_(s32) = G_SUB %b, %a
    ; CHECK-NEXT: $w0 = COPY %add(s32)
    ; CHECK-NEXT: $w0 = COPY %sub(s32)
    ; CHECK-NEXT: RET_ReallyLR implicit $w0
    %x:_(s32) = COPY $w0
    %a:_(s32) = COPY $w0
    %b:_(s32) = COPY $w0
    %zero:_(s32) = G_CONSTANT i32 0
    %sub:_(s32) = G_SUB %zero, %a
    %add:_(s32) = G_ADD %sub, %b
    $w0 = COPY %add
    $w0 = COPY %sub
    RET_ReallyLR implicit $w0

...
---
name:   APlusZeroMiunusB
body:             |
  bb.0:
    liveins: $w0, $w1

    ; CHECK-LABEL: name: APlusZeroMiunusB
    ; CHECK: liveins: $w0, $w1
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: %a:_(s64) = COPY $x1
    ; CHECK-NEXT: %b:_(s64) = COPY $x2
    ; CHECK-NEXT: %add:_(s64) = G_SUB %a, %b
    ; CHECK-NEXT: $x0 = COPY %add(s64)
    ; CHECK-NEXT: RET_ReallyLR implicit $x0
    %x:_(s64) = COPY $x0
    %a:_(s64) = COPY $x1
    %b:_(s64) = COPY $x2
    %zero:_(s64) = G_CONSTANT i64 0
    %sub:_(s64) = G_SUB %zero, %b
    %add:_(s64) = G_ADD %a, %sub
    $x0 = COPY %add
    RET_ReallyLR implicit $x0

...
---
name:   APlusBMinusB
body:             |
  bb.0:
    liveins: $w0, $w1

    ; CHECK-LABEL: name: APlusBMinusB
    ; CHECK: liveins: $w0, $w1
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: %b:_(s64) = COPY $x1
    ; CHECK-NEXT: $x0 = COPY %b(s64)
    ; CHECK-NEXT: RET_ReallyLR implicit $x0
    %a:_(s64) = COPY $x0
    %b:_(s64) = COPY $x1
    %zero:_(s64) = G_CONSTANT i64 0
    %sub:_(s64) = G_SUB %b, %a
    %add:_(s64) = G_ADD %a, %sub
    $x0 = COPY %add
    RET_ReallyLR implicit $x0

...
---
name:   BMinusAPlusA
body:             |
  bb.0:
    liveins: $w0, $w1

    ; CHECK-LABEL: name: BMinusAPlusA
    ; CHECK: liveins: $w0, $w1
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: %b:_(s64) = COPY $x1
    ; CHECK-NEXT: $x0 = COPY %b(s64)
    ; CHECK-NEXT: RET_ReallyLR implicit $x0
    %a:_(s64) = COPY $x0
    %b:_(s64) = COPY $x1
    %zero:_(s64) = G_CONSTANT i64 0
    %sub:_(s64) = G_SUB %b, %a
    %add:_(s64) = G_ADD %sub, %a
    $x0 = COPY %add
    RET_ReallyLR implicit $x0

...
---
name:   AMinusBPlusCMinusA
body:             |
  bb.0:
    liveins: $w0, $w1

    ; CHECK-LABEL: name: AMinusBPlusCMinusA
    ; CHECK: liveins: $w0, $w1
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: %b:_(s64) = COPY $x1
    ; CHECK-NEXT: %c:_(s64) = COPY $x2
    ; CHECK-NEXT: %add:_(s64) = G_SUB %c, %b
    ; CHECK-NEXT: $x0 = COPY %add(s64)
    ; CHECK-NEXT: RET_ReallyLR implicit $x0
    %a:_(s64) = COPY $x0
    %b:_(s64) = COPY $x1
    %c:_(s64) = COPY $x2
    %zero:_(s64) = G_CONSTANT i64 0
    %sub2:_(s64) = G_SUB %c, %a
    %sub1:_(s64) = G_SUB %a, %b
    %add:_(s64) = G_ADD %sub1, %sub2
    $x0 = COPY %add
    RET_ReallyLR implicit $x0

...
---
name:   AMinusBPlusBMinusC
body:             |
  bb.0:
    liveins: $w0, $w1

    ; CHECK-LABEL: name: AMinusBPlusBMinusC
    ; CHECK: liveins: $w0, $w1
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: %a:_(s64) = COPY $x0
    ; CHECK-NEXT: %c:_(s64) = COPY $x2
    ; CHECK-NEXT: %add:_(s64) = G_SUB %a, %c
    ; CHECK-NEXT: $x0 = COPY %add(s64)
    ; CHECK-NEXT: RET_ReallyLR implicit $x0
    %a:_(s64) = COPY $x0
    %b:_(s64) = COPY $x1
    %c:_(s64) = COPY $x2
    %zero:_(s64) = G_CONSTANT i64 0
    %sub2:_(s64) = G_SUB %b, %c
    %sub1:_(s64) = G_SUB %a, %b
    %add:_(s64) = G_ADD %sub1, %sub2
    $x0 = COPY %add
    RET_ReallyLR implicit $x0


...
---
name:   APlusBMinusAplusC
body:             |
  bb.0:
    liveins: $w0, $w1

    ; CHECK-LABEL: name: APlusBMinusAplusC
    ; CHECK: liveins: $w0, $w1
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: %b:_(s64) = COPY $x1
    ; CHECK-NEXT: %c:_(s64) = COPY $x2
    ; CHECK-NEXT: %add:_(s64) = G_SUB %b, %c
    ; CHECK-NEXT: $x0 = COPY %add(s64)
    ; CHECK-NEXT: RET_ReallyLR implicit $x0
    %a:_(s64) = COPY $x0
    %b:_(s64) = COPY $x1
    %c:_(s64) = COPY $x2
    %zero:_(s64) = G_CONSTANT i64 0
    %add1:_(s64) = G_ADD %a, %c
    %sub1:_(s64) = G_SUB %b, %add1
    %add:_(s64) = G_ADD %a, %sub1
    $x0 = COPY %add
    RET_ReallyLR implicit $x0

...
---
name:   APlusBMinusCPlusA
body:             |
  bb.0:
    liveins: $w0, $w1

    ; CHECK-LABEL: name: APlusBMinusCPlusA
    ; CHECK: liveins: $w0, $w1
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: %b:_(s64) = COPY $x1
    ; CHECK-NEXT: %c:_(s64) = COPY $x2
    ; CHECK-NEXT: %add:_(s64) = G_SUB %b, %c
    ; CHECK-NEXT: $x0 = COPY %add(s64)
    ; CHECK-NEXT: RET_ReallyLR implicit $x0
    %a:_(s64) = COPY $x0
    %b:_(s64) = COPY $x1
    %c:_(s64) = COPY $x2
    %zero:_(s64) = G_CONSTANT i64 0
    %add1:_(s64) = G_ADD %c, %a
    %sub1:_(s64) = G_SUB %b, %add1
    %add:_(s64) = G_ADD %a, %sub1
    $x0 = COPY %add
    RET_ReallyLR implicit $x0

...
---
name:   APlusBMinusCPlusA_BV
body:             |
  bb.0:
    liveins: $w0, $w1

    ; CHECK-LABEL: name: APlusBMinusCPlusA_BV
    ; CHECK: liveins: $w0, $w1
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: %a1:_(s64) = COPY $x0
    ; CHECK-NEXT: %b1:_(s64) = COPY $x1
    ; CHECK-NEXT: %c1:_(s64) = COPY $x2
    ; CHECK-NEXT: %b:_(<2 x s64>) = G_BUILD_VECTOR %b1(s64), %ba:_(s64)
    ; CHECK-NEXT: %c:_(<2 x s64>) = G_BUILD_VECTOR %a1(s64), %c1(s64)
    ; CHECK-NEXT: %add:_(<2 x s64>) = G_SUB %b, %c
    ; CHECK-NEXT: $q0 = COPY %add(<2 x s64>)
    ; CHECK-NEXT: RET_ReallyLR implicit $x0
    %a1:_(s64) = COPY $x0
    %b1:_(s64) = COPY $x1
    %c1:_(s64) = COPY $x2
    %a:_(<2 x s64>) = G_BUILD_VECTOR %a1:_(s64), %b1:_(s64)
    %b:_(<2 x s64>) = G_BUILD_VECTOR %b1:_(s64), %ba:_(s64)
    %c:_(<2 x s64>) = G_BUILD_VECTOR %a1:_(s64), %c1:_(s64)
    %zero:_(s64) = G_CONSTANT i64 0
    %add1:_(<2 x s64>) = G_ADD %c, %a
    %sub1:_(<2 x s64>) = G_SUB %b, %add1
    %add:_(<2 x s64>) = G_ADD %a, %sub1
    $q0 = COPY %add
    RET_ReallyLR implicit $x0

...
---
name:   APlusC1MinusC2
body:             |
  bb.0:
    liveins: $w0, $w1

    ; CHECK-LABEL: name: APlusC1MinusC2
    ; CHECK: liveins: $w0, $w1
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: %a:_(s64) = COPY $x0
    ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 -2
    ; CHECK-NEXT: %sub:_(s64) = G_ADD %a, [[C]]
    ; CHECK-NEXT: $x0 = COPY %sub(s64)
    ; CHECK-NEXT: RET_ReallyLR implicit $x0
    %a:_(s64) = COPY $x0
    %c1:_(s64) = G_CONSTANT i64 5
    %c2:_(s64) = G_CONSTANT i64 7
    %add:_(s64) = G_ADD %a, %c1
    %sub:_(s64) = G_SUB %add, %c2
    $x0 = COPY %sub
    RET_ReallyLR implicit $x0

...
---
name:   C2MinusAPlusC1
body:             |
  bb.0:
    liveins: $w0, $w1

    ; CHECK-LABEL: name: C2MinusAPlusC1
    ; CHECK: liveins: $w0, $w1
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: %a:_(s64) = COPY $x0
    ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
    ; CHECK-NEXT: %sub:_(s64) = G_SUB [[C]], %a
    ; CHECK-NEXT: $x0 = COPY %sub(s64)
    ; CHECK-NEXT: RET_ReallyLR implicit $x0
    %a:_(s64) = COPY $x0
    %c1:_(s64) = G_CONSTANT i64 4
    %c2:_(s64) = G_CONSTANT i64 9
    %add:_(s64) = G_ADD %a, %c1
    %sub:_(s64) = G_SUB %c2, %add
    $x0 = COPY %sub
    RET_ReallyLR implicit $x0

...
---
name:   AMinusC1MinusC2
body:             |
  bb.0:
    liveins: $w0, $w1

    ; CHECK-LABEL: name: AMinusC1MinusC2
    ; CHECK: liveins: $w0, $w1
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: %a:_(s64) = COPY $x0
    ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 -71
    ; CHECK-NEXT: %sub:_(s64) = G_ADD %a, [[C]]
    ; CHECK-NEXT: $x0 = COPY %sub(s64)
    ; CHECK-NEXT: RET_ReallyLR implicit $x0
    %a:_(s64) = COPY $x0
    %c1:_(s64) = G_CONSTANT i64 11
    %c2:_(s64) = G_CONSTANT i64 60
    %sub1:_(s64) = G_SUB %a, %c1
    %sub:_(s64) = G_SUB %sub1, %c2
    $x0 = COPY %sub
    RET_ReallyLR implicit $x0

...
---
name:   C1Minus2MinusC2
body:             |
  bb.0:
    liveins: $w0, $w1

    ; CHECK-LABEL: name: C1Minus2MinusC2
    ; CHECK: liveins: $w0, $w1
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: %a:_(s64) = COPY $x0
    ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 -49
    ; CHECK-NEXT: %sub:_(s64) = G_SUB [[C]], %a
    ; CHECK-NEXT: $x0 = COPY %sub(s64)
    ; CHECK-NEXT: RET_ReallyLR implicit $x0
    %a:_(s64) = COPY $x0
    %c1:_(s64) = G_CONSTANT i64 11
    %c2:_(s64) = G_CONSTANT i64 60
    %sub1:_(s64) = G_SUB %c1, %a
    %sub:_(s64) = G_SUB %sub1, %c2
    $x0 = COPY %sub
    RET_ReallyLR implicit $x0


...
---
name:   AMinusC2PlusC2
body:             |
  bb.0:
    liveins: $w0, $w1

    ; CHECK-LABEL: name: AMinusC2PlusC2
    ; CHECK: liveins: $w0, $w1
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: %a:_(s64) = COPY $x0
    ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 43
    ; CHECK-NEXT: %add:_(s64) = G_ADD %a, [[C]]
    ; CHECK-NEXT: $x0 = COPY %add(s64)
    ; CHECK-NEXT: RET_ReallyLR implicit $x0
    %a:_(s64) = COPY $x0
    %c1:_(s64) = G_CONSTANT i64 13
    %c2:_(s64) = G_CONSTANT i64 56
    %sub:_(s64) = G_SUB %a, %c1
    %add:_(s64) = G_ADD %sub, %c2
    $x0 = COPY %add
    RET_ReallyLR implicit $x0