# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -O0 -mtriple arm-- -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s
--- |
  define void @test_trunc_and_zext_s1_to_s32() { ret void }
  define void @test_trunc_and_sext_s1_to_s32() { ret void }
  define void @test_trunc_and_sext_s8_to_s32() { ret void }
  define void @test_trunc_and_zext_s16_to_s32() { ret void }
  define void @test_trunc_and_anyext_s8_to_s32() { ret void }
  define void @test_trunc_and_anyext_s16_to_s32() { ret void }

  define void @test_trunc_and_zext_s1_to_s16() { ret void }
  define void @test_trunc_and_sext_s1_to_s16() { ret void }
  define void @test_trunc_and_anyext_s1_to_s16() { ret void }

  define void @test_trunc_and_zext_s8_to_s16() { ret void }
  define void @test_trunc_and_sext_s8_to_s16() { ret void }
  define void @test_trunc_and_anyext_s8_to_s16() { ret void }

  define void @test_trunc_and_zext_s1_to_s8() { ret void }
  define void @test_trunc_and_sext_s1_to_s8() { ret void }
  define void @test_trunc_and_anyext_s1_to_s8() { ret void }

  define void @test_add_s32() { ret void }
  define void @test_add_fold_imm_s32() { ret void }
  define void @test_add_no_fold_imm_s32() #2 { ret void }

  define void @test_sub_s32() { ret void }
  define void @test_sub_imm_s32() { ret void }
  define void @test_sub_rev_imm_s32() { ret void }

  define void @test_mul_s32() #0 { ret void }
  define void @test_mulv5_s32() { ret void }

  define void @test_sdiv_s32() #1 { ret void }
  define void @test_udiv_s32() #1 { ret void }

  define void @test_lshr_s32() { ret void }
  define void @test_ashr_s32() { ret void }
  define void @test_shl_s32() { ret void }

  define void @test_load_from_stack() { ret void }

  define void @test_stores() { ret void }

  define void @test_gep() { ret void }

  define void @test_MOVi32imm() #2 { ret void }

  define void @test_constant_imm() { ret void }
  define void @test_constant_cimm() { ret void }

  define void @test_pointer_constant_unconstrained() { ret void }
  define void @test_pointer_constant_constrained() { ret void }

  define void @test_inttoptr_s32() { ret void }
  define void @test_ptrtoint_s32() { ret void }

  define void @test_select_s32() { ret void }
  define void @test_select_ptr() { ret void }

  define void @test_br() { ret void }

  define void @test_phi_s32() { ret void }

  attributes #0 = { "target-features"="+v6" }
  attributes #1 = { "target-features"="+hwdiv-arm" }
  attributes #2 = { "target-features"="+v6t2" }
...
---
name:            test_trunc_and_zext_s1_to_s32
legalized:       true
regBankSelected: true
selected:        false
registers:
  - { id: 0, class: gprb }
  - { id: 1, class: gprb }
  - { id: 2, class: gprb }
body:             |
  bb.0:
    liveins: $r0

    ; CHECK-LABEL: name: test_trunc_and_zext_s1_to_s32
    ; CHECK: [[COPY:%[0-9]+]]:gpr = COPY $r0
    ; CHECK: [[ANDri:%[0-9]+]]:gpr = ANDri [[COPY]], 1, 14 /* CC::al */, $noreg, $noreg
    ; CHECK: $r0 = COPY [[ANDri]]
    ; CHECK: BX_RET 14 /* CC::al */, $noreg, implicit $r0
    %0(s32) = COPY $r0

    %1(s1) = G_TRUNC %0(s32)

    %2(s32) = G_ZEXT %1(s1)

    $r0 = COPY %2(s32)

    BX_RET 14, $noreg, implicit $r0
...
---
name:            test_trunc_and_sext_s1_to_s32
legalized:       true
regBankSelected: true
selected:        false
registers:
  - { id: 0, class: gprb }
  - { id: 1, class: gprb }
  - { id: 2, class: gprb }
body:             |
  bb.0:
    liveins: $r0

    ; CHECK-LABEL: name: test_trunc_and_sext_s1_to_s32
    ; CHECK: [[COPY:%[0-9]+]]:gpr = COPY $r0
    ; CHECK: [[ANDri:%[0-9]+]]:gpr = ANDri [[COPY]], 1, 14 /* CC::al */, $noreg, $noreg
    ; CHECK: [[RSBri:%[0-9]+]]:gpr = RSBri [[ANDri]], 0, 14 /* CC::al */, $noreg, $noreg
    ; CHECK: $r0 = COPY [[RSBri]]
    ; CHECK: BX_RET 14 /* CC::al */, $noreg, implicit $r0
    %0(s32) = COPY $r0

    %1(s1) = G_TRUNC %0(s32)

    %2(s32) = G_SEXT %1(s1)

    $r0 = COPY %2(s32)

    BX_RET 14, $noreg, implicit $r0
...
---
name:            test_trunc_and_sext_s8_to_s32
legalized:       true
regBankSelected: true
selected:        false
registers:
  - { id: 0, class: gprb }
  - { id: 1, class: gprb }
  - { id: 2, class: gprb }
body:             |
  bb.0:
    liveins: $r0

    ; CHECK-LABEL: name: test_trunc_and_sext_s8_to_s32
    ; CHECK: [[COPY:%[0-9]+]]:gpr = COPY $r0
    ; CHECK: [[COPY1:%[0-9]+]]:gprnopc = COPY [[COPY]]
    ; CHECK: [[SXTB:%[0-9]+]]:gprnopc = SXTB [[COPY1]], 0, 14 /* CC::al */, $noreg
    ; CHECK: $r0 = COPY [[SXTB]]
    ; CHECK: BX_RET 14 /* CC::al */, $noreg, implicit $r0
    %0(s32) = COPY $r0

    %1(s8) = G_TRUNC %0(s32)

    %2(s32) = G_SEXT %1(s8)

    $r0 = COPY %2(s32)

    BX_RET 14, $noreg, implicit $r0
...
---
name:            test_trunc_and_zext_s16_to_s32
legalized:       true
regBankSelected: true
selected:        false
registers:
  - { id: 0, class: gprb }
  - { id: 1, class: gprb }
  - { id: 2, class: gprb }
body:             |
  bb.0:
    liveins: $r0

    ; CHECK-LABEL: name: test_trunc_and_zext_s16_to_s32
    ; CHECK: [[COPY:%[0-9]+]]:gpr = COPY $r0
    ; CHECK: [[COPY1:%[0-9]+]]:gprnopc = COPY [[COPY]]
    ; CHECK: [[UXTH:%[0-9]+]]:gprnopc = UXTH [[COPY1]], 0, 14 /* CC::al */, $noreg
    ; CHECK: $r0 = COPY [[UXTH]]
    ; CHECK: BX_RET 14 /* CC::al */, $noreg, implicit $r0
    %0(s32) = COPY $r0

    %1(s16) = G_TRUNC %0(s32)

    %2(s32) = G_ZEXT %1(s16)

    $r0 = COPY %2(s32)

    BX_RET 14, $noreg, implicit $r0
...
---
name:            test_trunc_and_anyext_s8_to_s32
legalized:       true
regBankSelected: true
selected:        false
registers:
  - { id: 0, class: gprb }
  - { id: 1, class: gprb }
  - { id: 2, class: gprb }
body:             |
  bb.0:
    liveins: $r0

    ; CHECK-LABEL: name: test_trunc_and_anyext_s8_to_s32
    ; CHECK: [[COPY:%[0-9]+]]:gpr = COPY $r0
    ; CHECK: $r0 = COPY [[COPY]]
    ; CHECK: BX_RET 14 /* CC::al */, $noreg, implicit $r0
    %0(s32) = COPY $r0

    %1(s8) = G_TRUNC %0(s32)

    %2(s32) = G_ANYEXT %1(s8)

    $r0 = COPY %2(s32)

    BX_RET 14, $noreg, implicit $r0
...
---
name:            test_trunc_and_anyext_s16_to_s32
legalized:       true
regBankSelected: true
selected:        false
registers:
  - { id: 0, class: gprb }
  - { id: 1, class: gprb }
  - { id: 2, class: gprb }
body:             |
  bb.0:
    liveins: $r0

    ; CHECK-LABEL: name: test_trunc_and_anyext_s16_to_s32
    ; CHECK: [[COPY:%[0-9]+]]:gpr = COPY $r0
    ; CHECK: $r0 = COPY [[COPY]]
    ; CHECK: BX_RET 14 /* CC::al */, $noreg, implicit $r0
    %0(s32) = COPY $r0

    %1(s16) = G_TRUNC %0(s32)

    %2(s32) = G_ANYEXT %1(s16)

    $r0 = COPY %2(s32)

    BX_RET 14, $noreg, implicit $r0
...
---
name:            test_trunc_and_zext_s1_to_s16
legalized:       true
regBankSelected: true
selected:        false
tracksRegLiveness: true
registers:
  - { id: 0, class: gprb }
  - { id: 1, class: gprb }
  - { id: 2, class: gprb }
  - { id: 3, class: gprb }
body:             |
  bb.0:
    liveins: $r0, $r1

    ; CHECK-LABEL: name: test_trunc_and_zext_s1_to_s16
    ; CHECK: liveins: $r0, $r1
    ; CHECK: [[COPY:%[0-9]+]]:gpr = COPY $r0
    ; CHECK: [[COPY1:%[0-9]+]]:gpr = COPY $r1
    ; CHECK: [[ANDri:%[0-9]+]]:gpr = ANDri [[COPY1]], 1, 14 /* CC::al */, $noreg, $noreg
    ; CHECK: STRH [[ANDri]], [[COPY]], $noreg, 0, 14 /* CC::al */, $noreg :: (store (s16))
    ; CHECK: BX_RET 14 /* CC::al */, $noreg
    %0(p0) = COPY $r0

    %1(s32) = COPY $r1

    %2(s1) = G_TRUNC %1(s32)

    %3(s16) = G_ZEXT %2(s1)

    G_STORE %3(s16), %0(p0) :: (store (s16))

    BX_RET 14, $noreg
...
---
name:            test_trunc_and_sext_s1_to_s16
legalized:       true
regBankSelected: true
selected:        false
tracksRegLiveness: true
registers:
  - { id: 0, class: gprb }
  - { id: 1, class: gprb }
  - { id: 2, class: gprb }
  - { id: 3, class: gprb }
body:             |
  bb.0:
    liveins: $r0, $r1

    ; CHECK-LABEL: name: test_trunc_and_sext_s1_to_s16
    ; CHECK: liveins: $r0, $r1
    ; CHECK: [[COPY:%[0-9]+]]:gpr = COPY $r0
    ; CHECK: [[COPY1:%[0-9]+]]:gpr = COPY $r1
    ; CHECK: [[ANDri:%[0-9]+]]:gpr = ANDri [[COPY1]], 1, 14 /* CC::al */, $noreg, $noreg
    ; CHECK: [[RSBri:%[0-9]+]]:gpr = RSBri [[ANDri]], 0, 14 /* CC::al */, $noreg, $noreg
    ; CHECK: STRH [[RSBri]], [[COPY]], $noreg, 0, 14 /* CC::al */, $noreg :: (store (s16))
    ; CHECK: BX_RET 14 /* CC::al */, $noreg
    %0(p0) = COPY $r0

    %1(s32) = COPY $r1

    %2(s1) = G_TRUNC %1(s32)

    %3(s16) = G_SEXT %2(s1)

    G_STORE %3(s16), %0(p0) :: (store (s16))

    BX_RET 14, $noreg
...
---
name:            test_trunc_and_anyext_s1_to_s16
legalized:       true
regBankSelected: true
selected:        false
tracksRegLiveness: true
registers:
  - { id: 0, class: gprb }
  - { id: 1, class: gprb }
  - { id: 2, class: gprb }
  - { id: 3, class: gprb }
body:             |
  bb.0:
    liveins: $r0, $r1

    ; CHECK-LABEL: name: test_trunc_and_anyext_s1_to_s16
    ; CHECK: liveins: $r0, $r1
    ; CHECK: [[COPY:%[0-9]+]]:gpr = COPY $r0
    ; CHECK: [[COPY1:%[0-9]+]]:gpr = COPY $r1
    ; CHECK: STRH [[COPY1]], [[COPY]], $noreg, 0, 14 /* CC::al */, $noreg :: (store (s16))
    ; CHECK: BX_RET 14 /* CC::al */, $noreg
    %0(p0) = COPY $r0

    %1(s32) = COPY $r1

    %2(s1) = G_TRUNC %1(s32)

    %3(s16) = G_ANYEXT %2(s1)

    G_STORE %3(s16), %0(p0) :: (store (s16))

    BX_RET 14, $noreg
...
---
name:            test_trunc_and_zext_s8_to_s16
legalized:       true
regBankSelected: true
selected:        false
tracksRegLiveness: true
registers:
  - { id: 0, class: gprb }
  - { id: 1, class: gprb }
  - { id: 2, class: gprb }
  - { id: 3, class: gprb }
body:             |
  bb.0:
    liveins: $r0, $r1

    ; CHECK-LABEL: name: test_trunc_and_zext_s8_to_s16
    ; CHECK: liveins: $r0, $r1
    ; CHECK: [[COPY:%[0-9]+]]:gpr = COPY $r0
    ; CHECK: [[COPY1:%[0-9]+]]:gpr = COPY $r1
    ; CHECK: [[COPY2:%[0-9]+]]:gprnopc = COPY [[COPY1]]
    ; CHECK: [[UXTB:%[0-9]+]]:gprnopc = UXTB [[COPY2]], 0, 14 /* CC::al */, $noreg
    ; CHECK: STRH [[UXTB]], [[COPY]], $noreg, 0, 14 /* CC::al */, $noreg :: (store (s16))
    ; CHECK: BX_RET 14 /* CC::al */, $noreg
    %0(p0) = COPY $r0

    %1(s32) = COPY $r1

    %2(s8) = G_TRUNC %1(s32)

    %3(s16) = G_ZEXT %2(s8)

    G_STORE %3(s16), %0(p0) :: (store (s16))

    BX_RET 14, $noreg
...
---
name:            test_trunc_and_sext_s8_to_s16
legalized:       true
regBankSelected: true
selected:        false
tracksRegLiveness: true
registers:
  - { id: 0, class: gprb }
  - { id: 1, class: gprb }
  - { id: 2, class: gprb }
  - { id: 3, class: gprb }
body:             |
  bb.0:
    liveins: $r0, $r1

    ; CHECK-LABEL: name: test_trunc_and_sext_s8_to_s16
    ; CHECK: liveins: $r0, $r1
    ; CHECK: [[COPY:%[0-9]+]]:gpr = COPY $r0
    ; CHECK: [[COPY1:%[0-9]+]]:gpr = COPY $r1
    ; CHECK: [[COPY2:%[0-9]+]]:gprnopc = COPY [[COPY1]]
    ; CHECK: [[SXTB:%[0-9]+]]:gprnopc = SXTB [[COPY2]], 0, 14 /* CC::al */, $noreg
    ; CHECK: STRH [[SXTB]], [[COPY]], $noreg, 0, 14 /* CC::al */, $noreg :: (store (s16))
    ; CHECK: BX_RET 14 /* CC::al */, $noreg
    %0(p0) = COPY $r0

    %1(s32) = COPY $r1

    %2(s8) = G_TRUNC %1(s32)

    %3(s16) = G_SEXT %2(s8)

    G_STORE %3(s16), %0(p0) :: (store (s16))

    BX_RET 14, $noreg
...
---
name:            test_trunc_and_anyext_s8_to_s16
legalized:       true
regBankSelected: true
selected:        false
tracksRegLiveness: true
registers:
  - { id: 0, class: gprb }
  - { id: 1, class: gprb }
  - { id: 2, class: gprb }
  - { id: 3, class: gprb }
body:             |
  bb.0:
    liveins: $r0, $r1

    ; CHECK-LABEL: name: test_trunc_and_anyext_s8_to_s16
    ; CHECK: liveins: $r0, $r1
    ; CHECK: [[COPY:%[0-9]+]]:gpr = COPY $r0
    ; CHECK: [[COPY1:%[0-9]+]]:gpr = COPY $r1
    ; CHECK: STRH [[COPY1]], [[COPY]], $noreg, 0, 14 /* CC::al */, $noreg :: (store (s16))
    ; CHECK: BX_RET 14 /* CC::al */, $noreg
    %0(p0) = COPY $r0

    %1(s32) = COPY $r1

    %2(s8) = G_TRUNC %1(s32)

    %3(s16) = G_ANYEXT %2(s8)

    G_STORE %3(s16), %0(p0) :: (store (s16))

    BX_RET 14, $noreg
...
---
name:            test_trunc_and_zext_s1_to_s8
legalized:       true
regBankSelected: true
selected:        false
tracksRegLiveness: true
registers:
  - { id: 0, class: gprb }
  - { id: 1, class: gprb }
  - { id: 2, class: gprb }
  - { id: 3, class: gprb }
body:             |
  bb.0:
    liveins: $r0, $r1

    ; CHECK-LABEL: name: test_trunc_and_zext_s1_to_s8
    ; CHECK: liveins: $r0, $r1
    ; CHECK: [[COPY:%[0-9]+]]:gpr = COPY $r0
    ; CHECK: [[COPY1:%[0-9]+]]:gpr = COPY $r1
    ; CHECK: [[ANDri:%[0-9]+]]:gprnopc = ANDri [[COPY1]], 1, 14 /* CC::al */, $noreg, $noreg
    ; CHECK: STRBi12 [[ANDri]], [[COPY]], 0, 14 /* CC::al */, $noreg :: (store (s8))
    ; CHECK: BX_RET 14 /* CC::al */, $noreg
    %0(p0) = COPY $r0

    %1(s32) = COPY $r1

    %2(s1) = G_TRUNC %1(s32)

    %3(s8) = G_ZEXT %2(s1)

    G_STORE %3(s8), %0(p0) :: (store (s8))

    BX_RET 14, $noreg
...
---
name:            test_trunc_and_sext_s1_to_s8
legalized:       true
regBankSelected: true
selected:        false
tracksRegLiveness: true
registers:
  - { id: 0, class: gprb }
  - { id: 1, class: gprb }
  - { id: 2, class: gprb }
  - { id: 3, class: gprb }
body:             |
  bb.0:
    liveins: $r0, $r1

    ; CHECK-LABEL: name: test_trunc_and_sext_s1_to_s8
    ; CHECK: liveins: $r0, $r1
    ; CHECK: [[COPY:%[0-9]+]]:gpr = COPY $r0
    ; CHECK: [[COPY1:%[0-9]+]]:gpr = COPY $r1
    ; CHECK: [[ANDri:%[0-9]+]]:gpr = ANDri [[COPY1]], 1, 14 /* CC::al */, $noreg, $noreg
    ; CHECK: [[RSBri:%[0-9]+]]:gprnopc = RSBri [[ANDri]], 0, 14 /* CC::al */, $noreg, $noreg
    ; CHECK: STRBi12 [[RSBri]], [[COPY]], 0, 14 /* CC::al */, $noreg :: (store (s8))
    ; CHECK: BX_RET 14 /* CC::al */, $noreg
    %0(p0) = COPY $r0

    %1(s32) = COPY $r1

    %2(s1) = G_TRUNC %1(s32)

    %3(s8) = G_SEXT %2(s1)

    G_STORE %3(s8), %0(p0) :: (store (s8))

    BX_RET 14, $noreg
...
---
name:            test_trunc_and_anyext_s1_to_s8
legalized:       true
regBankSelected: true
selected:        false
tracksRegLiveness: true
registers:
  - { id: 0, class: gprb }
  - { id: 1, class: gprb }
  - { id: 2, class: gprb }
  - { id: 3, class: gprb }
body:             |
  bb.0:
    liveins: $r0, $r1

    ; CHECK-LABEL: name: test_trunc_and_anyext_s1_to_s8
    ; CHECK: liveins: $r0, $r1
    ; CHECK: [[COPY:%[0-9]+]]:gpr = COPY $r0
    ; CHECK: [[COPY1:%[0-9]+]]:gpr = COPY $r1
    ; CHECK: [[COPY2:%[0-9]+]]:gprnopc = COPY [[COPY1]]
    ; CHECK: STRBi12 [[COPY2]], [[COPY]], 0, 14 /* CC::al */, $noreg :: (store (s8))
    ; CHECK: BX_RET 14 /* CC::al */, $noreg
    %0(p0) = COPY $r0

    %1(s32) = COPY $r1

    %2(s1) = G_TRUNC %1(s32)

    %3(s8) = G_ANYEXT %2(s1)

    G_STORE %3(s8), %0(p0) :: (store (s8))

    BX_RET 14, $noreg
...
---
name:            test_add_s32
legalized:       true
regBankSelected: true
selected:        false
registers:
  - { id: 0, class: gprb }
  - { id: 1, class: gprb }
  - { id: 2, class: gprb }
body:             |
  bb.0:
    liveins: $r0, $r1

    ; CHECK-LABEL: name: test_add_s32
    ; CHECK: [[COPY:%[0-9]+]]:gpr = COPY $r0
    ; CHECK: [[COPY1:%[0-9]+]]:gpr = COPY $r1
    ; CHECK: [[ADDrr:%[0-9]+]]:gpr = ADDrr [[COPY]], [[COPY1]], 14 /* CC::al */, $noreg, $noreg
    ; CHECK: $r0 = COPY [[ADDrr]]
    ; CHECK: BX_RET 14 /* CC::al */, $noreg, implicit $r0
    %0(s32) = COPY $r0

    %1(s32) = COPY $r1

    %2(s32) = G_ADD %0, %1

    $r0 = COPY %2(s32)

    BX_RET 14, $noreg, implicit $r0
...
---
name:            test_add_fold_imm_s32
legalized:       true
regBankSelected: true
selected:        false
registers:
  - { id: 0, class: gprb }
  - { id: 1, class: gprb }
  - { id: 2, class: gprb }
body:             |
  bb.0:
    liveins: $r0

    ; CHECK-LABEL: name: test_add_fold_imm_s32
    ; CHECK: [[COPY:%[0-9]+]]:gpr = COPY $r0
    ; CHECK: [[ADDri:%[0-9]+]]:gpr = ADDri [[COPY]], 255, 14 /* CC::al */, $noreg, $noreg
    ; CHECK: $r0 = COPY [[ADDri]]
    ; CHECK: BX_RET 14 /* CC::al */, $noreg, implicit $r0
    %0(s32) = COPY $r0

    %1(s32) = G_CONSTANT i32 255
    %2(s32) = G_ADD %0, %1

    $r0 = COPY %2(s32)

    BX_RET 14, $noreg, implicit $r0
...
---
name:            test_add_no_fold_imm_s32
legalized:       true
regBankSelected: true
selected:        false
registers:
  - { id: 0, class: gprb }
  - { id: 1, class: gprb }
  - { id: 2, class: gprb }
body:             |
  bb.0:
    liveins: $r0

    ; CHECK-LABEL: name: test_add_no_fold_imm_s32
    ; CHECK: [[COPY:%[0-9]+]]:gpr = COPY $r0
    ; CHECK: [[MOVi16_:%[0-9]+]]:gpr = MOVi16 65535, 14 /* CC::al */, $noreg
    ; CHECK: [[ADDrr:%[0-9]+]]:gpr = ADDrr [[COPY]], [[MOVi16_]], 14 /* CC::al */, $noreg, $noreg
    ; CHECK: $r0 = COPY [[ADDrr]]
    ; CHECK: BX_RET 14 /* CC::al */, $noreg, implicit $r0
    %0(s32) = COPY $r0

    %1(s32) = G_CONSTANT i32 65535

    %2(s32) = G_ADD %0, %1

    $r0 = COPY %2(s32)

    BX_RET 14, $noreg, implicit $r0
...
---
name:            test_sub_s32
legalized:       true
regBankSelected: true
selected:        false
registers:
  - { id: 0, class: gprb }
  - { id: 1, class: gprb }
  - { id: 2, class: gprb }
body:             |
  bb.0:
    liveins: $r0, $r1

    ; CHECK-LABEL: name: test_sub_s32
    ; CHECK: [[COPY:%[0-9]+]]:gpr = COPY $r0
    ; CHECK: [[COPY1:%[0-9]+]]:gpr = COPY $r1
    ; CHECK: [[SUBrr:%[0-9]+]]:gpr = SUBrr [[COPY]], [[COPY1]], 14 /* CC::al */, $noreg, $noreg
    ; CHECK: $r0 = COPY [[SUBrr]]
    ; CHECK: BX_RET 14 /* CC::al */, $noreg, implicit $r0
    %0(s32) = COPY $r0

    %1(s32) = COPY $r1

    %2(s32) = G_SUB %0, %1

    $r0 = COPY %2(s32)

    BX_RET 14, $noreg, implicit $r0
...
---
name:            test_sub_imm_s32
legalized:       true
regBankSelected: true
selected:        false
registers:
  - { id: 0, class: gprb }
  - { id: 1, class: gprb }
  - { id: 2, class: gprb }
body:             |
  bb.0:
    liveins: $r0, $r1

    ; CHECK-LABEL: name: test_sub_imm_s32
    ; CHECK: [[COPY:%[0-9]+]]:gpr = COPY $r0
    ; CHECK: [[SUBri:%[0-9]+]]:gpr = SUBri [[COPY]], 17, 14 /* CC::al */, $noreg, $noreg
    ; CHECK: $r0 = COPY [[SUBri]]
    ; CHECK: BX_RET 14 /* CC::al */, $noreg, implicit $r0
    %0(s32) = COPY $r0

    %1(s32) = G_CONSTANT i32 17
    %2(s32) = G_SUB %0, %1

    $r0 = COPY %2(s32)

    BX_RET 14, $noreg, implicit $r0
...
---
name:            test_sub_rev_imm_s32
legalized:       true
regBankSelected: true
selected:        false
registers:
  - { id: 0, class: gprb }
  - { id: 1, class: gprb }
  - { id: 2, class: gprb }
body:             |
  bb.0:
    liveins: $r0, $r1

    ; CHECK-LABEL: name: test_sub_rev_imm_s32
    ; CHECK: [[COPY:%[0-9]+]]:gpr = COPY $r0
    ; CHECK: [[RSBri:%[0-9]+]]:gpr = RSBri [[COPY]], 17, 14 /* CC::al */, $noreg, $noreg
    ; CHECK: $r0 = COPY [[RSBri]]
    ; CHECK: BX_RET 14 /* CC::al */, $noreg, implicit $r0
    %0(s32) = COPY $r0

    %1(s32) = G_CONSTANT i32 17
    %2(s32) = G_SUB %1, %0

    $r0 = COPY %2(s32)

    BX_RET 14, $noreg, implicit $r0
...
---
name:            test_mul_s32
legalized:       true
regBankSelected: true
selected:        false
registers:
  - { id: 0, class: gprb }
  - { id: 1, class: gprb }
  - { id: 2, class: gprb }
body:             |
  bb.0:
    liveins: $r0, $r1

    ; CHECK-LABEL: name: test_mul_s32
    ; CHECK: [[COPY:%[0-9]+]]:gprnopc = COPY $r0
    ; CHECK: [[COPY1:%[0-9]+]]:gprnopc = COPY $r1
    ; CHECK: [[MUL:%[0-9]+]]:gprnopc = MUL [[COPY]], [[COPY1]], 14 /* CC::al */, $noreg, $noreg
    ; CHECK: $r0 = COPY [[MUL]]
    ; CHECK: BX_RET 14 /* CC::al */, $noreg, implicit $r0
    %0(s32) = COPY $r0

    %1(s32) = COPY $r1

    %2(s32) = G_MUL %0, %1

    $r0 = COPY %2(s32)

    BX_RET 14, $noreg, implicit $r0
...
---
name:            test_mulv5_s32
legalized:       true
regBankSelected: true
selected:        false
registers:
  - { id: 0, class: gprb }
  - { id: 1, class: gprb }
  - { id: 2, class: gprb }
body:             |
  bb.0:
    liveins: $r0, $r1

    ; CHECK-LABEL: name: test_mulv5_s32
    ; CHECK: [[COPY:%[0-9]+]]:gprnopc = COPY $r0
    ; CHECK: [[COPY1:%[0-9]+]]:gprnopc = COPY $r1
    ; CHECK: early-clobber %2:gprnopc = MULv5 [[COPY]], [[COPY1]], 14 /* CC::al */, $noreg, $noreg
    ; CHECK: $r0 = COPY %2
    ; CHECK: BX_RET 14 /* CC::al */, $noreg, implicit $r0
    %0(s32) = COPY $r0

    %1(s32) = COPY $r1

    %2(s32) = G_MUL %0, %1

    $r0 = COPY %2(s32)

    BX_RET 14, $noreg, implicit $r0
...
---
name:            test_sdiv_s32
legalized:       true
regBankSelected: true
selected:        false
registers:
  - { id: 0, class: gprb }
  - { id: 1, class: gprb }
  - { id: 2, class: gprb }
body:             |
  bb.0:
    liveins: $r0, $r1

    ; CHECK-LABEL: name: test_sdiv_s32
    ; CHECK: [[COPY:%[0-9]+]]:gpr = COPY $r0
    ; CHECK: [[COPY1:%[0-9]+]]:gpr = COPY $r1
    ; CHECK: [[SDIV:%[0-9]+]]:gpr = SDIV [[COPY]], [[COPY1]], 14 /* CC::al */, $noreg
    ; CHECK: $r0 = COPY [[SDIV]]
    ; CHECK: BX_RET 14 /* CC::al */, $noreg, implicit $r0
    %0(s32) = COPY $r0

    %1(s32) = COPY $r1

    %2(s32) = G_SDIV %0, %1

    $r0 = COPY %2(s32)

    BX_RET 14, $noreg, implicit $r0
...
---
name:            test_udiv_s32
legalized:       true
regBankSelected: true
selected:        false
registers:
  - { id: 0, class: gprb }
  - { id: 1, class: gprb }
  - { id: 2, class: gprb }
body:             |
  bb.0:
    liveins: $r0, $r1

    ; CHECK-LABEL: name: test_udiv_s32
    ; CHECK: [[COPY:%[0-9]+]]:gpr = COPY $r0
    ; CHECK: [[COPY1:%[0-9]+]]:gpr = COPY $r1
    ; CHECK: [[UDIV:%[0-9]+]]:gpr = UDIV [[COPY]], [[COPY1]], 14 /* CC::al */, $noreg
    ; CHECK: $r0 = COPY [[UDIV]]
    ; CHECK: BX_RET 14 /* CC::al */, $noreg, implicit $r0
    %0(s32) = COPY $r0

    %1(s32) = COPY $r1

    %2(s32) = G_UDIV %0, %1

    $r0 = COPY %2(s32)

    BX_RET 14, $noreg, implicit $r0
...
---
name:            test_lshr_s32
legalized:       true
regBankSelected: true
selected:        false
registers:
  - { id: 0, class: gprb }
  - { id: 1, class: gprb }
  - { id: 2, class: gprb }
body:             |
  bb.0:
    liveins: $r0, $r1

    ; CHECK-LABEL: name: test_lshr_s32
    ; CHECK: [[COPY:%[0-9]+]]:gpr = COPY $r0
    ; CHECK: [[COPY1:%[0-9]+]]:gpr = COPY $r1
    ; CHECK: [[MOVsr:%[0-9]+]]:gprnopc = MOVsr [[COPY]], [[COPY1]], 3, 14 /* CC::al */, $noreg, $noreg
    ; CHECK: $r0 = COPY [[MOVsr]]
    ; CHECK: BX_RET 14 /* CC::al */, $noreg, implicit $r0
    %0(s32) = COPY $r0

    %1(s32) = COPY $r1

    %2(s32) = G_LSHR %0, %1

    $r0 = COPY %2(s32)

    BX_RET 14, $noreg, implicit $r0
...
---
name:            test_ashr_s32
legalized:       true
regBankSelected: true
selected:        false
registers:
  - { id: 0, class: gprb }
  - { id: 1, class: gprb }
  - { id: 2, class: gprb }
body:             |
  bb.0:
    liveins: $r0, $r1

    ; CHECK-LABEL: name: test_ashr_s32
    ; CHECK: [[COPY:%[0-9]+]]:gpr = COPY $r0
    ; CHECK: [[COPY1:%[0-9]+]]:gpr = COPY $r1
    ; CHECK: [[MOVsr:%[0-9]+]]:gprnopc = MOVsr [[COPY]], [[COPY1]], 1, 14 /* CC::al */, $noreg, $noreg
    ; CHECK: $r0 = COPY [[MOVsr]]
    ; CHECK: BX_RET 14 /* CC::al */, $noreg, implicit $r0
    %0(s32) = COPY $r0

    %1(s32) = COPY $r1

    %2(s32) = G_ASHR %0, %1

    $r0 = COPY %2(s32)

    BX_RET 14, $noreg, implicit $r0
...
---
name:            test_shl_s32
legalized:       true
regBankSelected: true
selected:        false
registers:
  - { id: 0, class: gprb }
  - { id: 1, class: gprb }
  - { id: 2, class: gprb }
body:             |
  bb.0:
    liveins: $r0, $r1

    ; CHECK-LABEL: name: test_shl_s32
    ; CHECK: [[COPY:%[0-9]+]]:gpr = COPY $r0
    ; CHECK: [[COPY1:%[0-9]+]]:gpr = COPY $r1
    ; CHECK: [[MOVsr:%[0-9]+]]:gprnopc = MOVsr [[COPY]], [[COPY1]], 2, 14 /* CC::al */, $noreg, $noreg
    ; CHECK: $r0 = COPY [[MOVsr]]
    ; CHECK: BX_RET 14 /* CC::al */, $noreg, implicit $r0
    %0(s32) = COPY $r0

    %1(s32) = COPY $r1

    %2(s32) = G_SHL %0, %1

    $r0 = COPY %2(s32)

    BX_RET 14, $noreg, implicit $r0
...
---
name:            test_load_from_stack
legalized:       true
regBankSelected: true
selected:        false
registers:
  - { id: 0, class: gprb }
  - { id: 1, class: gprb }
  - { id: 2, class: gprb }
  - { id: 3, class: gprb }
  - { id: 4, class: gprb }
fixedStack:
  - { id: 0, offset: 0, size: 1, alignment: 4, isImmutable: true, isAliased: false }
  - { id: 1, offset: 4, size: 4, alignment: 4, isImmutable: true, isAliased: false }
  - { id: 2, offset: 8, size: 4, alignment: 4, isImmutable: true, isAliased: false }
body:             |
  bb.0:
    liveins: $r0, $r1, $r2, $r3

    ; CHECK-LABEL: name: test_load_from_stack
    ; CHECK: [[ADDri:%[0-9]+]]:gpr = ADDri %fixed-stack.0, 0, 14 /* CC::al */, $noreg, $noreg
    ; CHECK: [[LDRi12_:%[0-9]+]]:gpr = LDRi12 [[ADDri]], 0, 14 /* CC::al */, $noreg :: (load (s32))
    ; CHECK: $r0 = COPY [[LDRi12_]]
    ; CHECK: [[ADDri1:%[0-9]+]]:gpr = ADDri %fixed-stack.2, 0, 14 /* CC::al */, $noreg, $noreg
    ; CHECK: [[LDRBi12_:%[0-9]+]]:gprnopc = LDRBi12 [[ADDri1]], 0, 14 /* CC::al */, $noreg :: (load (s8))
    ; CHECK: [[COPY:%[0-9]+]]:gpr = COPY [[LDRBi12_]]
    ; CHECK: $r0 = COPY [[COPY]]
    ; CHECK: BX_RET 14 /* CC::al */, $noreg
    %0(p0) = G_FRAME_INDEX %fixed-stack.2

    %1(s32) = G_LOAD %0(p0) :: (load (s32))

    $r0 = COPY %1

    %2(p0) = G_FRAME_INDEX %fixed-stack.0

    %3(s8) = G_LOAD %2(p0) :: (load (s8))

    %4(s32) = G_ANYEXT %3(s8)

    $r0 = COPY %4

    BX_RET 14, $noreg
...
---
name:            test_stores
legalized:       true
regBankSelected: true
selected:        false
registers:
  - { id: 0, class: gprb }
  - { id: 1, class: gprb }
  - { id: 2, class: gprb }
  - { id: 3, class: gprb }
  - { id: 4, class: gprb }
body:             |
  bb.0:
    liveins: $r0, $r1

    ; CHECK-LABEL: name: test_stores
    ; CHECK: [[COPY:%[0-9]+]]:gpr = COPY $r0
    ; CHECK: [[COPY1:%[0-9]+]]:gpr = COPY $r1
    ; CHECK: [[COPY2:%[0-9]+]]:gprnopc = COPY [[COPY1]]
    ; CHECK: STRBi12 [[COPY2]], [[COPY]], 0, 14 /* CC::al */, $noreg :: (store (s8))
    ; CHECK: STRH [[COPY1]], [[COPY]], $noreg, 0, 14 /* CC::al */, $noreg :: (store (s16))
    ; CHECK: STRi12 [[COPY1]], [[COPY]], 0, 14 /* CC::al */, $noreg :: (store (s32))
    ; CHECK: BX_RET 14 /* CC::al */, $noreg
    %0(p0) = COPY $r0

    %3(s32) = COPY $r1

    %1(s8) = G_TRUNC %3(s32)

    %2(s16) = G_TRUNC %3(s32)

    G_STORE %1(s8), %0(p0) :: (store (s8))

    G_STORE %2(s16), %0(p0) :: (store (s16))

    G_STORE %3(s32), %0(p0) :: (store (s32))

    BX_RET 14, $noreg
...
---
name:            test_gep
legalized:       true
regBankSelected: true
selected:        false
registers:
  - { id: 0, class: gprb }
  - { id: 1, class: gprb }
  - { id: 2, class: gprb }
body:             |
  bb.0:
    liveins: $r0, $r1

    ; CHECK-LABEL: name: test_gep
    ; CHECK: [[COPY:%[0-9]+]]:gpr = COPY $r0
    ; CHECK: [[COPY1:%[0-9]+]]:gpr = COPY $r1
    ; CHECK: [[ADDrr:%[0-9]+]]:gpr = ADDrr [[COPY]], [[COPY1]], 14 /* CC::al */, $noreg, $noreg
    ; CHECK: $r0 = COPY [[ADDrr]]
    ; CHECK: BX_RET 14 /* CC::al */, $noreg, implicit $r0
    %0(p0) = COPY $r0

    %1(s32) = COPY $r1

    %2(p0) = G_PTR_ADD %0, %1(s32)

    $r0 = COPY %2(p0)
    BX_RET 14, $noreg, implicit $r0
...
---
name:            test_MOVi32imm
legalized:       true
regBankSelected: true
selected:        false
registers:
  - { id: 0, class: gprb }
body:             |
  bb.0:
    ; CHECK-LABEL: name: test_MOVi32imm
    ; CHECK: [[MOVi32imm:%[0-9]+]]:gpr = MOVi32imm 65537
    ; CHECK: $r0 = COPY [[MOVi32imm]]
    ; CHECK: BX_RET 14 /* CC::al */, $noreg, implicit $r0
    %0(s32) = G_CONSTANT i32 65537

    $r0 = COPY %0(s32)
    BX_RET 14, $noreg, implicit $r0
...
---
name:            test_constant_imm
legalized:       true
regBankSelected: true
selected:        false
registers:
  - { id: 0, class: gprb }
body:             |
  bb.0:
    ; CHECK-LABEL: name: test_constant_imm
    ; CHECK: [[MOVi:%[0-9]+]]:gpr = MOVi 42, 14 /* CC::al */, $noreg, $noreg
    ; CHECK: $r0 = COPY [[MOVi]]
    ; CHECK: BX_RET 14 /* CC::al */, $noreg, implicit $r0
    %0(s32) = G_CONSTANT i32 42

    $r0 = COPY %0(s32)
    BX_RET 14, $noreg, implicit $r0
...
---
name:            test_constant_cimm
legalized:       true
regBankSelected: true
selected:        false
registers:
  - { id: 0, class: gprb }
body:             |
  bb.0:
    ; Adding a type on G_CONSTANT changes its operand from an Imm into a CImm.
    ; We still want to see the same thing in the output though.
    ; CHECK-LABEL: name: test_constant_cimm
    ; CHECK: [[MOVi:%[0-9]+]]:gpr = MOVi 42, 14 /* CC::al */, $noreg, $noreg
    ; CHECK: $r0 = COPY [[MOVi]]
    ; CHECK: BX_RET 14 /* CC::al */, $noreg, implicit $r0
    %0(s32) = G_CONSTANT i32 42

    $r0 = COPY %0(s32)
    BX_RET 14, $noreg, implicit $r0
...
---
name:            test_pointer_constant_unconstrained
legalized:       true
regBankSelected: true
selected:        false
registers:
  - { id: 0, class: gprb }
body:             |
  bb.0:
    ; CHECK-LABEL: name: test_pointer_constant_unconstrained
    ; CHECK: [[MOVi:%[0-9]+]]:gpr = MOVi 0, 14 /* CC::al */, $noreg, $noreg
    ; CHECK: $r0 = COPY [[MOVi]]
    ; CHECK: BX_RET 14 /* CC::al */, $noreg, implicit $r0
    %0(p0) = G_CONSTANT i32 0

    ; This leaves %0 unconstrained before the G_CONSTANT is selected.
    $r0 = COPY %0(p0)
    BX_RET 14, $noreg, implicit $r0
...
---
name:            test_pointer_constant_constrained
legalized:       true
regBankSelected: true
selected:        false
registers:
  - { id: 0, class: gprb }
body:             |
  bb.0:
    ; CHECK-LABEL: name: test_pointer_constant_constrained
    ; CHECK: [[MOVi:%[0-9]+]]:gpr = MOVi 0, 14 /* CC::al */, $noreg, $noreg
    ; CHECK: STRi12 [[MOVi]], [[MOVi]], 0, 14 /* CC::al */, $noreg :: (store (p0))
    %0(p0) = G_CONSTANT i32 0

    ; This constrains %0 before the G_CONSTANT is selected.
    G_STORE %0(p0), %0(p0) :: (store (p0))
...
---
name:            test_inttoptr_s32
legalized:       true
regBankSelected: true
selected:        false
registers:
  - { id: 0, class: gprb }
  - { id: 1, class: gprb }
body:             |
  bb.0:
    liveins: $r0

    ; CHECK-LABEL: name: test_inttoptr_s32
    ; CHECK: [[COPY:%[0-9]+]]:gpr = COPY $r0
    ; CHECK: $r0 = COPY [[COPY]]
    ; CHECK: BX_RET 14 /* CC::al */, $noreg, implicit $r0
    %0(s32) = COPY $r0
    %1(p0) = G_INTTOPTR %0(s32)

    $r0 = COPY %1(p0)

    BX_RET 14, $noreg, implicit $r0
...
---
name:            test_ptrtoint_s32
legalized:       true
regBankSelected: true
selected:        false
registers:
  - { id: 0, class: gprb }
  - { id: 1, class: gprb }
body:             |
  bb.0:
    liveins: $r0

    ; CHECK-LABEL: name: test_ptrtoint_s32
    ; CHECK: [[COPY:%[0-9]+]]:gpr = COPY $r0
    ; CHECK: $r0 = COPY [[COPY]]
    ; CHECK: BX_RET 14 /* CC::al */, $noreg, implicit $r0
    %0(p0) = COPY $r0
    %1(s32) = G_PTRTOINT %0(p0)

    $r0 = COPY %1(s32)

    BX_RET 14, $noreg, implicit $r0
...
---
name:            test_select_s32
legalized:       true
regBankSelected: true
selected:        false
registers:
  - { id: 0, class: gprb }
  - { id: 1, class: gprb }
  - { id: 2, class: gprb }
  - { id: 3, class: gprb }
body:             |
  bb.0:
    liveins: $r0, $r1

    ; CHECK-LABEL: name: test_select_s32
    ; CHECK: [[COPY:%[0-9]+]]:gpr = COPY $r0
    ; CHECK: [[COPY1:%[0-9]+]]:gpr = COPY $r1
    ; CHECK: TSTri [[COPY1]], 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
    ; CHECK: [[MOVCCr:%[0-9]+]]:gpr = MOVCCr [[COPY]], [[COPY1]], 0 /* CC::eq */, $cpsr
    ; CHECK: $r0 = COPY [[MOVCCr]]
    ; CHECK: BX_RET 14 /* CC::al */, $noreg, implicit $r0
    %0(s32) = COPY $r0

    %1(s32) = COPY $r1

    %2(s1) = G_TRUNC %1(s32)

    %3(s32) = G_SELECT %2(s1),  %0, %1

    $r0 = COPY %3(s32)

    BX_RET 14, $noreg, implicit $r0
...
---
name:            test_select_ptr
legalized:       true
regBankSelected: true
selected:        false
registers:
  - { id: 0, class: gprb }
  - { id: 1, class: gprb }
  - { id: 2, class: gprb }
  - { id: 3, class: gprb }
  - { id: 4, class: gprb }
body:             |
  bb.0:
    liveins: $r0, $r1, $r2

    ; CHECK-LABEL: name: test_select_ptr
    ; CHECK: [[COPY:%[0-9]+]]:gpr = COPY $r0
    ; CHECK: [[COPY1:%[0-9]+]]:gpr = COPY $r1
    ; CHECK: [[COPY2:%[0-9]+]]:gpr = COPY $r2
    ; CHECK: TSTri [[COPY2]], 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
    ; CHECK: [[MOVCCr:%[0-9]+]]:gpr = MOVCCr [[COPY]], [[COPY1]], 0 /* CC::eq */, $cpsr
    ; CHECK: $r0 = COPY [[MOVCCr]]
    ; CHECK: BX_RET 14 /* CC::al */, $noreg, implicit $r0
    %0(p0) = COPY $r0

    %1(p0) = COPY $r1

    %2(s32) = COPY $r2

    %3(s1) = G_TRUNC %2(s32)

    %4(p0) = G_SELECT %3(s1),  %0, %1

    $r0 = COPY %4(p0)

    BX_RET 14, $noreg, implicit $r0
...
---
name:            test_br
legalized:       true
regBankSelected: true
selected:        false
registers:
  - { id: 0, class: gprb }
  - { id: 1, class: gprb }
body:             |
  ; CHECK-LABEL: name: test_br
  ; CHECK: bb.0:
  ; CHECK:   successors: %bb.1(0x40000000), %bb.2(0x40000000)
  ; CHECK:   [[COPY:%[0-9]+]]:gpr = COPY $r0
  ; CHECK:   TSTri [[COPY]], 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
  ; CHECK:   Bcc %bb.1, 1 /* CC::ne */, $cpsr
  ; CHECK:   B %bb.2
  ; CHECK: bb.1:
  ; CHECK:   successors: %bb.2(0x80000000)
  ; CHECK:   B %bb.2
  ; CHECK: bb.2:
  ; CHECK:   BX_RET 14 /* CC::al */, $noreg
  bb.0:
    successors: %bb.1(0x40000000), %bb.2(0x40000000)
    liveins: $r0

    %0(s32) = COPY $r0
    %1(s1) = G_TRUNC %0(s32)

    G_BRCOND %1(s1), %bb.1
    G_BR %bb.2

  bb.1:
    successors: %bb.2(0x80000000)

    G_BR %bb.2

  bb.2:

    BX_RET 14, $noreg
...
---
name:            test_phi_s32
legalized:       true
regBankSelected: true
selected:        false
tracksRegLiveness: true
registers:
  - { id: 0, class: gprb }
  - { id: 1, class: gprb }
  - { id: 2, class: gprb }
  - { id: 3, class: gprb }
  - { id: 4, class: gprb }
body:             |
  ; CHECK-LABEL: name: test_phi_s32
  ; CHECK: bb.0:
  ; CHECK:   successors: %bb.1(0x40000000), %bb.2(0x40000000)
  ; CHECK:   liveins: $r0, $r1, $r2
  ; CHECK:   [[COPY:%[0-9]+]]:gpr = COPY $r0
  ; CHECK:   [[COPY1:%[0-9]+]]:gpr = COPY $r1
  ; CHECK:   [[COPY2:%[0-9]+]]:gpr = COPY $r2
  ; CHECK:   TSTri [[COPY]], 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
  ; CHECK:   Bcc %bb.1, 1 /* CC::ne */, $cpsr
  ; CHECK:   B %bb.2
  ; CHECK: bb.1:
  ; CHECK:   successors: %bb.2(0x80000000)
  ; CHECK:   B %bb.2
  ; CHECK: bb.2:
  ; CHECK:   [[PHI:%[0-9]+]]:gpr = PHI [[COPY1]], %bb.0, [[COPY2]], %bb.1
  ; CHECK:   $r0 = COPY [[PHI]]
  ; CHECK:   BX_RET 14 /* CC::al */, $noreg, implicit $r0
  bb.0:
    successors: %bb.1(0x40000000), %bb.2(0x40000000)
    liveins: $r0, $r1, $r2

    %0(s32) = COPY $r0
    %1(s1) = G_TRUNC %0(s32)

    %2(s32) = COPY $r1
    %3(s32) = COPY $r2

    G_BRCOND %1(s1), %bb.1
    G_BR %bb.2

  bb.1:
    successors: %bb.2(0x80000000)

    G_BR %bb.2

  bb.2:
    %4(s32) = G_PHI %2(s32), %bb.0, %3(s32), %bb.1

    $r0 = COPY %4(s32)
    BX_RET 14, $noreg, implicit $r0
...