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llvm/llvm/test/CodeGen/AArch64/GlobalISel/legalize-non-pow2-load-store.mir 

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=aarch64 -run-pass=legalizer %s -o - -verify-machineinstrs | FileCheck %s
---
name:            load_store_test
alignment:       4
tracksRegLiveness: true
body:             |
  bb.1:
    liveins: $x0, $x1

    ; CHECK-LABEL: name: load_store_test
    ; CHECK: liveins: $x0, $x1
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $x0
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(p0) = COPY $x1
    ; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
    ; CHECK-NEXT: [[ZEXTLOAD:%[0-9]+]]:_(s32) = G_ZEXTLOAD [[COPY]](p0) :: (load (s16), align 4)
    ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
    ; CHECK-NEXT: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
    ; CHECK-NEXT: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load (s8) from unknown-address + 2, align 2)
    ; CHECK-NEXT: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
    ; CHECK-NEXT: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[LOAD]], [[C2]](s64)
    ; CHECK-NEXT: [[OR:%[0-9]+]]:_(s32) = G_OR [[SHL]], [[ZEXTLOAD]]
    ; CHECK-NEXT: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[OR]], [[C2]](s64)
    ; CHECK-NEXT: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY1]], [[C1]](s64)
    ; CHECK-NEXT: G_STORE [[OR]](s32), [[COPY1]](p0) :: (store (s16), align 4)
    ; CHECK-NEXT: G_STORE [[LSHR]](s32), [[PTR_ADD1]](p0) :: (store (s8) into unknown-address + 2, align 2)
    ; CHECK-NEXT: $w0 = COPY [[C]](s32)
    ; CHECK-NEXT: RET_ReallyLR implicit $w0
    %0:_(p0) = COPY $x0
    %1:_(p0) = COPY $x1
    %3:_(s32) = G_CONSTANT i32 0
    %2:_(s24) = G_LOAD %0(p0) :: (load (s24), align 4)
    G_STORE %2(s24), %1(p0) :: (store (s24), align 4)
    $w0 = COPY %3(s32)
    RET_ReallyLR implicit $w0

...
---
name:            store_i56
alignment:       4
tracksRegLiveness: true
liveins:
  - { reg: '$x0' }
body:             |
  bb.1:
    liveins: $x0

    ; CHECK-LABEL: name: store_i56
    ; CHECK: liveins: $x0
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $x0
    ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 32
    ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 32
    ; CHECK-NEXT: [[LSHR:%[0-9]+]]:_(s64) = G_LSHR [[C]], [[C1]](s64)
    ; CHECK-NEXT: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
    ; CHECK-NEXT: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
    ; CHECK-NEXT: G_STORE [[C]](s64), [[COPY]](p0) :: (store (s32), align 8)
    ; CHECK-NEXT: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[LSHR]](s64)
    ; CHECK-NEXT: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
    ; CHECK-NEXT: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[TRUNC]], [[C3]](s64)
    ; CHECK-NEXT: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
    ; CHECK-NEXT: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD]], [[C4]](s64)
    ; CHECK-NEXT: G_STORE [[TRUNC]](s32), [[PTR_ADD]](p0) :: (store (s16) into unknown-address + 4, align 4)
    ; CHECK-NEXT: G_STORE [[LSHR1]](s32), [[PTR_ADD1]](p0) :: (store (s8) into unknown-address + 6, align 2)
    ; CHECK-NEXT: RET_ReallyLR
    %0:_(p0) = COPY $x0
    %1:_(s56) = G_CONSTANT i56 32
    G_STORE %1(s56), %0(p0) :: (store (s56), align 8)
    RET_ReallyLR

...
---
name:            store_s318
alignment:       4
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $x0
    ; CHECK-LABEL: name: store_s318
    ; CHECK: liveins: $x0
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: %ptr:_(p0) = COPY $x0
    ; CHECK-NEXT: [[DEF:%[0-9]+]]:_(s64) = G_IMPLICIT_DEF
    ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 -1
    ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4611686018427387903
    ; CHECK-NEXT: [[AND:%[0-9]+]]:_(s64) = G_AND [[DEF]], [[C]]
    ; CHECK-NEXT: [[AND1:%[0-9]+]]:_(s64) = G_AND [[DEF]], [[C]]
    ; CHECK-NEXT: [[AND2:%[0-9]+]]:_(s64) = G_AND [[DEF]], [[C]]
    ; CHECK-NEXT: [[AND3:%[0-9]+]]:_(s64) = G_AND [[DEF]], [[C]]
    ; CHECK-NEXT: [[AND4:%[0-9]+]]:_(s64) = G_AND [[DEF]], [[C1]]
    ; CHECK-NEXT: G_STORE [[AND]](s64), %ptr(p0) :: (store (s64))
    ; CHECK-NEXT: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
    ; CHECK-NEXT: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD %ptr, [[C2]](s64)
    ; CHECK-NEXT: G_STORE [[AND1]](s64), [[PTR_ADD]](p0) :: (store (s64) into unknown-address + 8)
    ; CHECK-NEXT: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
    ; CHECK-NEXT: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD %ptr, [[C3]](s64)
    ; CHECK-NEXT: G_STORE [[AND2]](s64), [[PTR_ADD1]](p0) :: (store (s64) into unknown-address + 16)
    ; CHECK-NEXT: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 24
    ; CHECK-NEXT: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD %ptr, [[C4]](s64)
    ; CHECK-NEXT: G_STORE [[AND3]](s64), [[PTR_ADD2]](p0) :: (store (s64) into unknown-address + 24)
    ; CHECK-NEXT: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 32
    ; CHECK-NEXT: [[PTR_ADD3:%[0-9]+]]:_(p0) = G_PTR_ADD %ptr, [[C5]](s64)
    ; CHECK-NEXT: G_STORE [[AND4]](s64), [[PTR_ADD3]](p0) :: (store (s64) into unknown-address + 32)
    ; CHECK-NEXT: RET_ReallyLR
    %ptr:_(p0) = COPY $x0
    %val:_(s318) = G_IMPLICIT_DEF
    G_STORE %val(s318), %ptr(p0) :: (store (s318), align 8)
    RET_ReallyLR
...
---
name:            store_s158
alignment:       4
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $x0
    ; CHECK-LABEL: name: store_s158
    ; CHECK: liveins: $x0
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: %ptr:_(p0) = COPY $x0
    ; CHECK-NEXT: [[DEF:%[0-9]+]]:_(s64) = G_IMPLICIT_DEF
    ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 -1
    ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 1073741823
    ; CHECK-NEXT: [[AND:%[0-9]+]]:_(s64) = G_AND [[DEF]], [[C]]
    ; CHECK-NEXT: [[AND1:%[0-9]+]]:_(s64) = G_AND [[DEF]], [[C]]
    ; CHECK-NEXT: [[AND2:%[0-9]+]]:_(s64) = G_AND [[DEF]], [[C1]]
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s64) = COPY [[AND]](s64)
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s64) = COPY [[AND1]](s64)
    ; CHECK-NEXT: [[EXTRACT:%[0-9]+]]:_(s32) = G_EXTRACT [[AND2]](s64), 0
    ; CHECK-NEXT: G_STORE [[COPY]](s64), %ptr(p0) :: (store (s64))
    ; CHECK-NEXT: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
    ; CHECK-NEXT: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD %ptr, [[C2]](s64)
    ; CHECK-NEXT: G_STORE [[COPY1]](s64), [[PTR_ADD]](p0) :: (store (s64) into unknown-address + 8)
    ; CHECK-NEXT: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
    ; CHECK-NEXT: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD %ptr, [[C3]](s64)
    ; CHECK-NEXT: G_STORE [[EXTRACT]](s32), [[PTR_ADD1]](p0) :: (store (s32) into unknown-address + 16, align 8)
    ; CHECK-NEXT: RET_ReallyLR
    %ptr:_(p0) = COPY $x0
    %val:_(s158) = G_IMPLICIT_DEF
    G_STORE %val(s158), %ptr(p0) :: (store (s158), align 8)
    RET_ReallyLR
...
---
name:            store_s142
alignment:       4
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $x0
    ; CHECK-LABEL: name: store_s142
    ; CHECK: liveins: $x0
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: %ptr:_(p0) = COPY $x0
    ; CHECK-NEXT: [[DEF:%[0-9]+]]:_(s64) = G_IMPLICIT_DEF
    ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 -1
    ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 16383
    ; CHECK-NEXT: [[AND:%[0-9]+]]:_(s64) = G_AND [[DEF]], [[C]]
    ; CHECK-NEXT: [[AND1:%[0-9]+]]:_(s64) = G_AND [[DEF]], [[C]]
    ; CHECK-NEXT: [[AND2:%[0-9]+]]:_(s64) = G_AND [[DEF]], [[C1]]
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s64) = COPY [[AND]](s64)
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s64) = COPY [[AND1]](s64)
    ; CHECK-NEXT: [[EXTRACT:%[0-9]+]]:_(s16) = G_EXTRACT [[AND2]](s64), 0
    ; CHECK-NEXT: G_STORE [[COPY]](s64), %ptr(p0) :: (store (s64))
    ; CHECK-NEXT: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
    ; CHECK-NEXT: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD %ptr, [[C2]](s64)
    ; CHECK-NEXT: G_STORE [[COPY1]](s64), [[PTR_ADD]](p0) :: (store (s64) into unknown-address + 8)
    ; CHECK-NEXT: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
    ; CHECK-NEXT: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD %ptr, [[C3]](s64)
    ; CHECK-NEXT: G_STORE [[EXTRACT]](s16), [[PTR_ADD1]](p0) :: (store (s16) into unknown-address + 16, align 8)
    ; CHECK-NEXT: RET_ReallyLR
    %ptr:_(p0) = COPY $x0
    %val:_(s142) = G_IMPLICIT_DEF
    G_STORE %val(s142), %ptr(p0) :: (store (s142), align 8)
    RET_ReallyLR