# 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:            ctlz_s32
body:             |
  bb.0:
    ; CHECK-LABEL: name: ctlz_s32
    ; CHECK: %res:_(s32) = G_CONSTANT i32 28
    ; CHECK-NEXT: $w0 = COPY %res(s32)
    ; CHECK-NEXT: RET_ReallyLR implicit $w0
    %a:_(s32) = G_CONSTANT i32 8
    %res:_(s32) = G_CTLZ %a
    $w0 = COPY %res(s32)
    RET_ReallyLR implicit $w0
...
---
name:            ctlz_s32_zero
body:             |
  bb.0:
    ; CHECK-LABEL: name: ctlz_s32_zero
    ; CHECK: %res:_(s32) = G_CONSTANT i32 32
    ; CHECK-NEXT: $w0 = COPY %res(s32)
    ; CHECK-NEXT: RET_ReallyLR implicit $w0
    %a:_(s32) = G_CONSTANT i32 0
    %res:_(s32) = G_CTLZ %a
    $w0 = COPY %res(s32)
    RET_ReallyLR implicit $w0
...
---
name:            ctlz_s64
body:             |
  bb.0:
    ; CHECK-LABEL: name: ctlz_s64
    ; CHECK: %res:_(s64) = G_CONSTANT i64 57
    ; CHECK-NEXT: $x0 = COPY %res(s64)
    ; CHECK-NEXT: RET_ReallyLR implicit $x0
    %a:_(s64) = G_CONSTANT i64 127
    %res:_(s64) = G_CTLZ %a
    $x0 = COPY %res(s64)
    RET_ReallyLR implicit $x0
...
---
name:            ctlz_zero_poison_s32
body:             |
  bb.0:
    ; CHECK-LABEL: name: ctlz_zero_poison_s32
    ; CHECK: %res:_(s32) = G_CONSTANT i32 24
    ; CHECK-NEXT: $w0 = COPY %res(s32)
    ; CHECK-NEXT: RET_ReallyLR implicit $w0
    %a:_(s32) = G_CONSTANT i32 128
    %res:_(s32) = G_CTLZ_ZERO_POISON %a
    $w0 = COPY %res(s32)
    RET_ReallyLR implicit $w0
...
---
name:            cttz_s32
body:             |
  bb.0:
    ; CHECK-LABEL: name: cttz_s32
    ; CHECK: %res:_(s32) = G_CONSTANT i32 3
    ; CHECK-NEXT: $w0 = COPY %res(s32)
    ; CHECK-NEXT: RET_ReallyLR implicit $w0
    %a:_(s32) = G_CONSTANT i32 8
    %res:_(s32) = G_CTTZ %a
    $w0 = COPY %res(s32)
    RET_ReallyLR implicit $w0
...
---
name:            cttz_s32_zero
body:             |
  bb.0:
    ; CHECK-LABEL: name: cttz_s32_zero
    ; CHECK: %res:_(s32) = G_CONSTANT i32 32
    ; CHECK-NEXT: $w0 = COPY %res(s32)
    ; CHECK-NEXT: RET_ReallyLR implicit $w0
    %a:_(s32) = G_CONSTANT i32 0
    %res:_(s32) = G_CTTZ %a
    $w0 = COPY %res(s32)
    RET_ReallyLR implicit $w0
...
---
name:            cttz_s64
body:             |
  bb.0:
    ; CHECK-LABEL: name: cttz_s64
    ; CHECK: %res:_(s64) = G_CONSTANT i64 8
    ; CHECK-NEXT: $x0 = COPY %res(s64)
    ; CHECK-NEXT: RET_ReallyLR implicit $x0
    %a:_(s64) = G_CONSTANT i64 256
    %res:_(s64) = G_CTTZ %a
    $x0 = COPY %res(s64)
    RET_ReallyLR implicit $x0
...
---
name:            cttz_zero_poison_s32
body:             |
  bb.0:
    ; CHECK-LABEL: name: cttz_zero_poison_s32
    ; CHECK: %res:_(s32) = G_CONSTANT i32 5
    ; CHECK-NEXT: $w0 = COPY %res(s32)
    ; CHECK-NEXT: RET_ReallyLR implicit $w0
    %a:_(s32) = G_CONSTANT i32 96
    %res:_(s32) = G_CTTZ_ZERO_POISON %a
    $w0 = COPY %res(s32)
    RET_ReallyLR implicit $w0
...
---
name:            ctpop_s32
body:             |
  bb.0:
    ; CHECK-LABEL: name: ctpop_s32
    ; CHECK: %res:_(s32) = G_CONSTANT i32 4
    ; CHECK-NEXT: $w0 = COPY %res(s32)
    ; CHECK-NEXT: RET_ReallyLR implicit $w0
    %a:_(s32) = G_CONSTANT i32 15
    %res:_(s32) = G_CTPOP %a
    $w0 = COPY %res(s32)
    RET_ReallyLR implicit $w0
...
---
name:            ctpop_s32_all_ones
body:             |
  bb.0:
    ; CHECK-LABEL: name: ctpop_s32_all_ones
    ; CHECK: %res:_(s32) = G_CONSTANT i32 32
    ; CHECK-NEXT: $w0 = COPY %res(s32)
    ; CHECK-NEXT: RET_ReallyLR implicit $w0
    %a:_(s32) = G_CONSTANT i32 -1
    %res:_(s32) = G_CTPOP %a
    $w0 = COPY %res(s32)
    RET_ReallyLR implicit $w0
...
---
name:            ctpop_s64
body:             |
  bb.0:
    ; CHECK-LABEL: name: ctpop_s64
    ; CHECK: %res:_(s64) = G_CONSTANT i64 7
    ; CHECK-NEXT: $x0 = COPY %res(s64)
    ; CHECK-NEXT: RET_ReallyLR implicit $x0
    %a:_(s64) = G_CONSTANT i64 127
    %res:_(s64) = G_CTPOP %a
    $x0 = COPY %res(s64)
    RET_ReallyLR implicit $x0
...
---
name:            ctlz_v4s32
body:             |
  bb.0:
    ; CHECK-LABEL: name: ctlz_v4s32
    ; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 31
    ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 30
    ; CHECK-NEXT: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 29
    ; CHECK-NEXT: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 28
    ; CHECK-NEXT: %res:_(<4 x s32>) = G_BUILD_VECTOR [[C]](s32), [[C1]](s32), [[C2]](s32), [[C3]](s32)
    ; CHECK-NEXT: $q0 = COPY %res(<4 x s32>)
    ; CHECK-NEXT: RET_ReallyLR implicit $q0
    %c0:_(s32) = G_CONSTANT i32 1
    %c1:_(s32) = G_CONSTANT i32 2
    %c2:_(s32) = G_CONSTANT i32 4
    %c3:_(s32) = G_CONSTANT i32 8
    %v:_(<4 x s32>) = G_BUILD_VECTOR %c0, %c1, %c2, %c3
    %res:_(<4 x s32>) = G_CTLZ %v
    $q0 = COPY %res(<4 x s32>)
    RET_ReallyLR implicit $q0
...
---
name:            cttz_v4s32
body:             |
  bb.0:
    ; CHECK-LABEL: name: cttz_v4s32
    ; CHECK: %c0:_(s32) = G_CONSTANT i32 1
    ; CHECK-NEXT: %c1:_(s32) = G_CONSTANT i32 2
    ; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
    ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
    ; CHECK-NEXT: %res:_(<4 x s32>) = G_BUILD_VECTOR [[C]](s32), %c0(s32), %c1(s32), [[C1]](s32)
    ; CHECK-NEXT: $q0 = COPY %res(<4 x s32>)
    ; CHECK-NEXT: RET_ReallyLR implicit $q0
    %c0:_(s32) = G_CONSTANT i32 1
    %c1:_(s32) = G_CONSTANT i32 2
    %c2:_(s32) = G_CONSTANT i32 4
    %c3:_(s32) = G_CONSTANT i32 8
    %v:_(<4 x s32>) = G_BUILD_VECTOR %c0, %c1, %c2, %c3
    %res:_(<4 x s32>) = G_CTTZ %v
    $q0 = COPY %res(<4 x s32>)
    RET_ReallyLR implicit $q0
...
---
name:            ctpop_v4s32
body:             |
  bb.0:
    ; CHECK-LABEL: name: ctpop_v4s32
    ; CHECK: %c0:_(s32) = G_CONSTANT i32 1
    ; CHECK-NEXT: %c1:_(s32) = G_CONSTANT i32 3
    ; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
    ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
    ; CHECK-NEXT: %res:_(<4 x s32>) = G_BUILD_VECTOR %c0(s32), [[C]](s32), %c1(s32), [[C1]](s32)
    ; CHECK-NEXT: $q0 = COPY %res(<4 x s32>)
    ; CHECK-NEXT: RET_ReallyLR implicit $q0
    %c0:_(s32) = G_CONSTANT i32 1
    %c1:_(s32) = G_CONSTANT i32 3
    %c2:_(s32) = G_CONSTANT i32 7
    %c3:_(s32) = G_CONSTANT i32 15
    %v:_(<4 x s32>) = G_BUILD_VECTOR %c0, %c1, %c2, %c3
    %res:_(<4 x s32>) = G_CTPOP %v
    $q0 = COPY %res(<4 x s32>)
    RET_ReallyLR implicit $q0
...
---
# Negative test: non-constant source should not be folded.
name:            ctlz_nonconstant
body:             |
  bb.0:
    liveins: $w0
    ; CHECK-LABEL: name: ctlz_nonconstant
    ; CHECK: liveins: $w0
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: %a:_(s32) = COPY $w0
    ; CHECK-NEXT: %res:_(s32) = G_CTLZ %a(s32)
    ; CHECK-NEXT: $w0 = COPY %res(s32)
    ; CHECK-NEXT: RET_ReallyLR implicit $w0
    %a:_(s32) = COPY $w0
    %res:_(s32) = G_CTLZ %a
    $w0 = COPY %res(s32)
    RET_ReallyLR implicit $w0
...
---
name:            abs_s32_pos
body:             |
  bb.0:
    ; CHECK-LABEL: name: abs_s32_pos
    ; CHECK: %a:_(s32) = G_CONSTANT i32 42
    ; CHECK-NEXT: $w0 = COPY %a(s32)
    ; CHECK-NEXT: RET_ReallyLR implicit $w0
    %a:_(s32) = G_CONSTANT i32 42
    %res:_(s32) = G_ABS %a
    $w0 = COPY %res(s32)
    RET_ReallyLR implicit $w0
...
---
name:            abs_s32_neg
body:             |
  bb.0:
    ; CHECK-LABEL: name: abs_s32_neg
    ; CHECK: %res:_(s32) = G_CONSTANT i32 42
    ; CHECK-NEXT: $w0 = COPY %res(s32)
    ; CHECK-NEXT: RET_ReallyLR implicit $w0
    %a:_(s32) = G_CONSTANT i32 -42
    %res:_(s32) = G_ABS %a
    $w0 = COPY %res(s32)
    RET_ReallyLR implicit $w0
...
---
# abs of INT_MIN stays INT_MIN.
name:            abs_s32_int_min
body:             |
  bb.0:
    ; CHECK-LABEL: name: abs_s32_int_min
    ; CHECK: %a:_(s32) = G_CONSTANT i32 -2147483648
    ; CHECK-NEXT: $w0 = COPY %a(s32)
    ; CHECK-NEXT: RET_ReallyLR implicit $w0
    %a:_(s32) = G_CONSTANT i32 -2147483648
    %res:_(s32) = G_ABS %a
    $w0 = COPY %res(s32)
    RET_ReallyLR implicit $w0
...
---
name:            abs_v4s32
body:             |
  bb.0:
    ; CHECK-LABEL: name: abs_v4s32
    ; CHECK: %c1:_(s32) = G_CONSTANT i32 2
    ; CHECK-NEXT: %c3:_(s32) = G_CONSTANT i32 4
    ; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
    ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
    ; CHECK-NEXT: %res:_(<4 x s32>) = G_BUILD_VECTOR [[C]](s32), %c1(s32), [[C1]](s32), %c3(s32)
    ; CHECK-NEXT: $q0 = COPY %res(<4 x s32>)
    ; CHECK-NEXT: RET_ReallyLR implicit $q0
    %c0:_(s32) = G_CONSTANT i32 -1
    %c1:_(s32) = G_CONSTANT i32 2
    %c2:_(s32) = G_CONSTANT i32 -3
    %c3:_(s32) = G_CONSTANT i32 4
    %v:_(<4 x s32>) = G_BUILD_VECTOR %c0, %c1, %c2, %c3
    %res:_(<4 x s32>) = G_ABS %v
    $q0 = COPY %res(<4 x s32>)
    RET_ReallyLR implicit $q0
...
---
name:            bswap_s32
body:             |
  bb.0:
    ; CHECK-LABEL: name: bswap_s32
    ; CHECK: %res:_(s32) = G_CONSTANT i32 2018915346
    ; CHECK-NEXT: $w0 = COPY %res(s32)
    ; CHECK-NEXT: RET_ReallyLR implicit $w0
    %a:_(s32) = G_CONSTANT i32 305419896
    %res:_(s32) = G_BSWAP %a
    $w0 = COPY %res(s32)
    RET_ReallyLR implicit $w0
...
---
name:            bswap_s64
body:             |
  bb.0:
    ; CHECK-LABEL: name: bswap_s64
    ; CHECK: %a:_(s64) = G_CONSTANT i64 -1
    ; CHECK-NEXT: $x0 = COPY %a(s64)
    ; CHECK-NEXT: RET_ReallyLR implicit $x0
    %a:_(s64) = G_CONSTANT i64 -1
    %res:_(s64) = G_BSWAP %a
    $x0 = COPY %res(s64)
    RET_ReallyLR implicit $x0
...
---
name:            bswap_v4s32
body:             |
  bb.0:
    ; CHECK-LABEL: name: bswap_v4s32
    ; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16777216
    ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 33554432
    ; CHECK-NEXT: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 67108864
    ; CHECK-NEXT: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 134217728
    ; CHECK-NEXT: %res:_(<4 x s32>) = G_BUILD_VECTOR [[C]](s32), [[C1]](s32), [[C2]](s32), [[C3]](s32)
    ; CHECK-NEXT: $q0 = COPY %res(<4 x s32>)
    ; CHECK-NEXT: RET_ReallyLR implicit $q0
    %c0:_(s32) = G_CONSTANT i32 1
    %c1:_(s32) = G_CONSTANT i32 2
    %c2:_(s32) = G_CONSTANT i32 4
    %c3:_(s32) = G_CONSTANT i32 8
    %v:_(<4 x s32>) = G_BUILD_VECTOR %c0, %c1, %c2, %c3
    %res:_(<4 x s32>) = G_BSWAP %v
    $q0 = COPY %res(<4 x s32>)
    RET_ReallyLR implicit $q0
...
---
name:            bitreverse_s32
body:             |
  bb.0:
    ; CHECK-LABEL: name: bitreverse_s32
    ; CHECK: %res:_(s32) = G_CONSTANT i32 -2147483648
    ; CHECK-NEXT: $w0 = COPY %res(s32)
    ; CHECK-NEXT: RET_ReallyLR implicit $w0
    %a:_(s32) = G_CONSTANT i32 1
    %res:_(s32) = G_BITREVERSE %a
    $w0 = COPY %res(s32)
    RET_ReallyLR implicit $w0
...
---
name:            bitreverse_s32_all_ones
body:             |
  bb.0:
    ; CHECK-LABEL: name: bitreverse_s32_all_ones
    ; CHECK: %a:_(s32) = G_CONSTANT i32 -1
    ; CHECK-NEXT: $w0 = COPY %a(s32)
    ; CHECK-NEXT: RET_ReallyLR implicit $w0
    %a:_(s32) = G_CONSTANT i32 -1
    %res:_(s32) = G_BITREVERSE %a
    $w0 = COPY %res(s32)
    RET_ReallyLR implicit $w0
...
---
name:            bitreverse_v4s32
body:             |
  bb.0:
    ; CHECK-LABEL: name: bitreverse_v4s32
    ; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 -2147483648
    ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 1073741824
    ; CHECK-NEXT: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 536870912
    ; CHECK-NEXT: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 268435456
    ; CHECK-NEXT: %res:_(<4 x s32>) = G_BUILD_VECTOR [[C]](s32), [[C1]](s32), [[C2]](s32), [[C3]](s32)
    ; CHECK-NEXT: $q0 = COPY %res(<4 x s32>)
    ; CHECK-NEXT: RET_ReallyLR implicit $q0
    %c0:_(s32) = G_CONSTANT i32 1
    %c1:_(s32) = G_CONSTANT i32 2
    %c2:_(s32) = G_CONSTANT i32 4
    %c3:_(s32) = G_CONSTANT i32 8
    %v:_(<4 x s32>) = G_BUILD_VECTOR %c0, %c1, %c2, %c3
    %res:_(<4 x s32>) = G_BITREVERSE %v
    $q0 = COPY %res(<4 x s32>)
    RET_ReallyLR implicit $q0
...
---
# Negative test: non-constant source should not be folded.
name:            abs_nonconstant
body:             |
  bb.0:
    liveins: $w0
    ; CHECK-LABEL: name: abs_nonconstant
    ; CHECK: liveins: $w0
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: %a:_(s32) = COPY $w0
    ; CHECK-NEXT: %res:_(s32) = G_ABS %a
    ; CHECK-NEXT: $w0 = COPY %res(s32)
    ; CHECK-NEXT: RET_ReallyLR implicit $w0
    %a:_(s32) = COPY $w0
    %res:_(s32) = G_ABS %a
    $w0 = COPY %res(s32)
    RET_ReallyLR implicit $w0
...