File: combine-overflow.mir

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llvm-toolchain-19 1%3A19.1.7-3
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -run-pass=aarch64-prelegalizer-combiner -mtriple aarch64-unknown-unknown %s -o - | FileCheck %s

---
name:            add_unused
body:             |
  bb.0:
    liveins: $w0, $w1
    ; CHECK-LABEL: name: add_unused
    ; CHECK: liveins: $w0, $w1
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $w1
    ; CHECK-NEXT: %add:_(s32) = G_ADD [[COPY]], [[COPY1]]
    ; CHECK-NEXT: $w0 = COPY %add(s32)
    ; CHECK-NEXT: RET_ReallyLR implicit $w0
    %0:_(s32) = COPY $w0
    %1:_(s32) = COPY $w1
    %add:_(s32), %o:_(s1) = G_SADDO %0, %1
    $w0 = COPY %add(s32)
    RET_ReallyLR implicit $w0
...
---
name:            add_canon
body:             |
  bb.0:
    liveins: $w0, $w1
    ; CHECK-LABEL: name: add_canon
    ; CHECK: liveins: $w0, $w1
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $w1
    ; CHECK-NEXT: %const:_(s32) = G_CONSTANT i32 10
    ; CHECK-NEXT: %add:_(s32), %o:_(s1) = G_SADDO [[COPY]], %const
    ; CHECK-NEXT: %o_wide:_(s32) = G_ZEXT %o(s1)
    ; CHECK-NEXT: $w0 = COPY %add(s32)
    ; CHECK-NEXT: $w1 = COPY %o_wide(s32)
    ; CHECK-NEXT: RET_ReallyLR implicit $w0
    %0:_(s32) = COPY $w0
    %1:_(s32) = COPY $w1
    %const:_(s32) = G_CONSTANT i32 10
    %add:_(s32), %o:_(s1) = G_SADDO %const, %1
    %o_wide:_(s32) = G_ZEXT %o(s1)
    $w0 = COPY %add(s32)
    $w1 = COPY %o_wide
    RET_ReallyLR implicit $w0
...
---
name:            add_const_fold
body:             |
  bb.0:
    liveins: $w0, $w1
    ; CHECK-LABEL: name: add_const_fold
    ; CHECK: liveins: $w0, $w1
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: %add:_(s32) = G_CONSTANT i32 21
    ; CHECK-NEXT: %o_wide:_(s32) = G_CONSTANT i32 0
    ; CHECK-NEXT: $w0 = COPY %add(s32)
    ; CHECK-NEXT: $w1 = COPY %o_wide(s32)
    ; CHECK-NEXT: RET_ReallyLR implicit $w0
    %0:_(s32) = COPY $w0
    %1:_(s32) = COPY $w1
    %const:_(s32) = G_CONSTANT i32 10
    %const1:_(s32) = G_CONSTANT i32 11
    %add:_(s32), %o:_(s1) = G_UADDO %const, %const1
    %o_wide:_(s32) = G_ZEXT %o(s1)
    $w0 = COPY %add(s32)
    $w1 = COPY %o_wide
    RET_ReallyLR implicit $w0
...
---
name:            add_add_zero
body:             |
  bb.0:
    liveins: $w0, $w1
    ; CHECK-LABEL: name: add_add_zero
    ; CHECK: liveins: $w0, $w1
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $w2
    ; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
    ; CHECK-NEXT: $w0 = COPY [[COPY]](s32)
    ; CHECK-NEXT: $w1 = COPY [[C]](s32)
    ; CHECK-NEXT: RET_ReallyLR implicit $w0
    %0:_(s32) = COPY $w0
    %1:_(s32) = COPY $w1
    %2:_(s32) = COPY $w2
    %const:_(s32) = G_CONSTANT i32 10
    %addl:_(s32) = nsw G_ADD  %2, %const
    %const1:_(s32) = G_CONSTANT i32 -10
    %add:_(s32), %o:_(s1) = G_SADDO %addl, %const1
    %o_wide:_(s32) = G_ZEXT %o(s1)
    $w0 = COPY %add(s32)
    $w1 = COPY %o_wide
    RET_ReallyLR implicit $w0
...
---
name:            add_multiuse
body:             |
  bb.0:
    liveins: $w0, $w1
    ; CHECK-LABEL: name: add_multiuse
    ; CHECK: liveins: $w0, $w1
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
    ; CHECK-NEXT: %const:_(s32) = G_CONSTANT i32 0
    ; CHECK-NEXT: $w0 = COPY [[COPY]](s32)
    ; CHECK-NEXT: $w1 = COPY [[COPY]](s32)
    ; CHECK-NEXT: $w2 = COPY %const(s32)
    ; CHECK-NEXT: RET_ReallyLR implicit $w0
    %0:_(s32) = COPY $w0
    %const:_(s32) = G_CONSTANT i32 0
    %add:_(s32), %o:_(s1) = G_SADDO %0, %const
    %o_wide:_(s32) = G_ZEXT %o(s1)
    $w0 = COPY %add(s32)
    $w1 = COPY %add(s32)
    $w2 = COPY %o_wide
    RET_ReallyLR implicit $w0
...
---
name:            add_vector
body:             |
  bb.0:
    liveins: $w0, $w1
    ; CHECK-LABEL: name: add_vector
    ; CHECK: liveins: $w0, $w1
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $w1
    ; CHECK-NEXT: [[COPY2:%[0-9]+]]:_(s32) = COPY $w2
    ; CHECK-NEXT: [[COPY3:%[0-9]+]]:_(s32) = COPY $w3
    ; CHECK-NEXT: %bv0:_(<4 x s32>) = G_BUILD_VECTOR [[COPY]](s32), [[COPY1]](s32), [[COPY]](s32), [[COPY1]](s32)
    ; CHECK-NEXT: %bv1:_(<4 x s32>) = G_BUILD_VECTOR [[COPY2]](s32), [[COPY3]](s32), [[COPY2]](s32), [[COPY3]](s32)
    ; CHECK-NEXT: %add:_(<4 x s32>), %o:_(<4 x s1>) = G_UADDO %bv0, %bv1
    ; CHECK-NEXT: %o_wide:_(<4 x s32>) = G_ZEXT %o(<4 x s1>)
    ; CHECK-NEXT: $q0 = COPY %add(<4 x s32>)
    ; CHECK-NEXT: $q1 = COPY %o_wide(<4 x s32>)
    ; CHECK-NEXT: RET_ReallyLR implicit $w0
    %0:_(s32) = COPY $w0
    %1:_(s32) = COPY $w1
    %2:_(s32) = COPY $w2
    %3:_(s32) = COPY $w3
    %bv0:_(<4 x s32>) = G_BUILD_VECTOR %0:_(s32), %1:_(s32), %0:_(s32), %1:_(s32)
    %bv1:_(<4 x s32>) = G_BUILD_VECTOR %2:_(s32), %3:_(s32), %2:_(s32), %3:_(s32)
    %add:_(<4 x s32>), %o:_(<4 x s1>) = G_UADDO %bv0, %bv1
    %o_wide:_(<4 x s32>) = G_ZEXT %o(<4 x s1>)
    $q0 = COPY %add(<4 x s32>)
    $q1 = COPY %o_wide
    RET_ReallyLR implicit $w0
...
---
name:            add_splat_vector
body:             |
  bb.0:
    liveins: $w0, $w1
    ; CHECK-LABEL: name: add_splat_vector
    ; CHECK: liveins: $w0, $w1
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $w1
    ; CHECK-NEXT: %bv0:_(<4 x s32>) = G_BUILD_VECTOR [[COPY]](s32), [[COPY1]](s32), [[COPY]](s32), [[COPY1]](s32)
    ; CHECK-NEXT: [[C:%[0-9]+]]:_(s1) = G_CONSTANT i1 false
    ; CHECK-NEXT: %o:_(<4 x s1>) = G_BUILD_VECTOR [[C]](s1), [[C]](s1), [[C]](s1), [[C]](s1)
    ; CHECK-NEXT: %o_wide:_(<4 x s32>) = G_ZEXT %o(<4 x s1>)
    ; CHECK-NEXT: $q0 = COPY %bv0(<4 x s32>)
    ; CHECK-NEXT: $q1 = COPY %o_wide(<4 x s32>)
    ; CHECK-NEXT: RET_ReallyLR implicit $w0
    %0:_(s32) = COPY $w0
    %1:_(s32) = COPY $w1
    %2:_(s32) = COPY $w2
    %3:_(s32) = COPY $w3
    %const:_(s32) = G_CONSTANT i32 0
    %bv0:_(<4 x s32>) = G_BUILD_VECTOR %0:_(s32), %1:_(s32), %0:_(s32), %1:_(s32)
    %bv1:_(<4 x s32>) = G_BUILD_VECTOR %const:_(s32), %const:_(s32), %const:_(s32), %const:_(s32)
    %add:_(<4 x s32>), %o:_(<4 x s1>) = G_SADDO %bv0, %bv1
    %o_wide:_(<4 x s32>) = G_ZEXT %o(<4 x s1>)
    $q0 = COPY %add(<4 x s32>)
    $q1 = COPY %o_wide
    RET_ReallyLR implicit $w0
...