# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -run-pass=amdgpu-postlegalizer-combiner -verify-machineinstrs -o - %s | FileCheck %s

---
name: s16_trunc_v2s16_buildvector
tracksRegLiveness: true
body: |
  bb.0:
    liveins: $vgpr0, $vgpr1
    ; CHECK-LABEL: name: s16_trunc_v2s16_buildvector
    ; CHECK: liveins: $vgpr0, $vgpr1
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; CHECK-NEXT: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[COPY]](s32)
    ; CHECK-NEXT: [[C:%[0-9]+]]:_(s16) = G_CONSTANT i16 42
    ; CHECK-NEXT: [[OR:%[0-9]+]]:_(s16) = G_OR [[TRUNC]], [[C]]
    ; CHECK-NEXT: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[OR]](s16)
    ; CHECK-NEXT: $vgpr0 = COPY [[ZEXT]](s32)
    %0:_(s32) = COPY $vgpr0
    %1:_(s32) = COPY $vgpr1
    %2:_(s16) = G_TRUNC %0
    %3:_(s16) = G_TRUNC %1
    %4:_(<2 x s16>) = G_BUILD_VECTOR %2, %3
    %5:_(s32) = G_BITCAST %4
    %6:_(s16) = G_TRUNC %5
    %7:_(s16) = G_CONSTANT i16 42
    %8:_(s16) = G_OR %7, %6
    %9:_(s32) = G_ZEXT %8
    $vgpr0 = COPY %9
...

---
name: s16_trunc_v2s16_buildvector_shift8_nofold
tracksRegLiveness: true
body: |
  bb.0:
    liveins: $vgpr0, $vgpr1
    ; CHECK-LABEL: name: s16_trunc_v2s16_buildvector_shift8_nofold
    ; CHECK: liveins: $vgpr0, $vgpr1
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
    ; CHECK-NEXT: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[COPY]](s32)
    ; CHECK-NEXT: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[COPY1]](s32)
    ; CHECK-NEXT: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR [[TRUNC]](s16), [[TRUNC1]](s16)
    ; CHECK-NEXT: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[BUILD_VECTOR]](<2 x s16>)
    ; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
    ; CHECK-NEXT: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C]](s32)
    ; CHECK-NEXT: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LSHR]](s32)
    ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 42
    ; CHECK-NEXT: [[OR:%[0-9]+]]:_(s16) = G_OR [[TRUNC2]], [[C1]]
    ; CHECK-NEXT: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[OR]](s16)
    ; CHECK-NEXT: $vgpr0 = COPY [[ZEXT]](s32)
    %0:_(s32) = COPY $vgpr0
    %1:_(s32) = COPY $vgpr1
    %2:_(s16) = G_TRUNC %0
    %3:_(s16) = G_TRUNC %1
    %4:_(<2 x s16>) = G_BUILD_VECTOR %2, %3
    %5:_(s32) = G_BITCAST %4
    %6:_(s32) = G_CONSTANT i32 8
    %7:_(s32) = G_LSHR %5, %6
    %8:_(s16) = G_TRUNC %7
    %9:_(s16) = G_CONSTANT i16 42
    %10:_(s16) = G_OR %9, %8
    %11:_(s32) = G_ZEXT %10
    $vgpr0 = COPY %11
...

---
name: s16_trunc_v2s16_buildvector_shift16
tracksRegLiveness: true
body: |
  bb.0:
    liveins: $vgpr0, $vgpr1
    ; CHECK-LABEL: name: s16_trunc_v2s16_buildvector_shift16
    ; CHECK: liveins: $vgpr0, $vgpr1
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr1
    ; CHECK-NEXT: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[COPY]](s32)
    ; CHECK-NEXT: [[C:%[0-9]+]]:_(s16) = G_CONSTANT i16 42
    ; CHECK-NEXT: [[OR:%[0-9]+]]:_(s16) = G_OR [[TRUNC]], [[C]]
    ; CHECK-NEXT: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[OR]](s16)
    ; CHECK-NEXT: $vgpr0 = COPY [[ZEXT]](s32)
    %0:_(s32) = COPY $vgpr0
    %1:_(s32) = COPY $vgpr1
    %2:_(s16) = G_TRUNC %0
    %3:_(s16) = G_TRUNC %1
    %4:_(<2 x s16>) = G_BUILD_VECTOR %2, %3
    %5:_(s32) = G_BITCAST %4
    %6:_(s32) = G_CONSTANT i32 16
    %7:_(s32) = G_LSHR %5, %6
    %8:_(s16) = G_TRUNC %7
    %9:_(s16) = G_CONSTANT i16 42
    %10:_(s16) = G_OR %9, %8
    %11:_(s32) = G_ZEXT %10
    $vgpr0 = COPY %11
...

---
name: s16_trunc_v2s32_buildvector_nofold
tracksRegLiveness: true
body: |
  bb.0:
    liveins: $vgpr0, $vgpr1
    ; CHECK-LABEL: name: s16_trunc_v2s32_buildvector_nofold
    ; CHECK: liveins: $vgpr0, $vgpr1
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
    ; CHECK-NEXT: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[COPY]](s32), [[COPY1]](s32)
    ; CHECK-NEXT: [[BITCAST:%[0-9]+]]:_(s64) = G_BITCAST [[BUILD_VECTOR]](<2 x s32>)
    ; CHECK-NEXT: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[BITCAST]](s64)
    ; CHECK-NEXT: [[C:%[0-9]+]]:_(s16) = G_CONSTANT i16 42
    ; CHECK-NEXT: [[OR:%[0-9]+]]:_(s16) = G_OR [[TRUNC]], [[C]]
    ; CHECK-NEXT: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[OR]](s16)
    ; CHECK-NEXT: $vgpr0 = COPY [[ZEXT]](s32)
    %0:_(s32) = COPY $vgpr0
    %1:_(s32) = COPY $vgpr1
    %2:_(<2 x s32>) = G_BUILD_VECTOR %0, %1
    %3:_(s64) = G_BITCAST %2
    %4:_(s16) = G_TRUNC %3
    %5:_(s16) = G_CONSTANT i16 42
    %6:_(s16) = G_OR %5, %4
    %7:_(s32) = G_ZEXT %6
    $vgpr0 = COPY %7
...

---
name: s32_trunc_v2s32_buildvector
tracksRegLiveness: true
body: |
  bb.0:
    liveins: $vgpr0, $vgpr1
    ; CHECK-LABEL: name: s32_trunc_v2s32_buildvector
    ; CHECK: liveins: $vgpr0, $vgpr1
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; CHECK-NEXT: $vgpr0 = COPY [[COPY]](s32)
    %0:_(s32) = COPY $vgpr0
    %1:_(s32) = COPY $vgpr1
    %2:_(<2 x s32>) = G_BUILD_VECTOR %0, %1
    %3:_(s64) = G_BITCAST %2
    %4:_(s32) = G_TRUNC %3
    $vgpr0 = COPY %4
...

---
name: s32_trunc_v2s32_buildvector_multiple_users
tracksRegLiveness: true
body: |
  bb.0:
    liveins: $vgpr0, $vgpr1
    ; CHECK-LABEL: name: s32_trunc_v2s32_buildvector_multiple_users
    ; CHECK: liveins: $vgpr0, $vgpr1
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
    ; CHECK-NEXT: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[COPY]](s32), [[COPY1]](s32)
    ; CHECK-NEXT: [[BITCAST:%[0-9]+]]:_(s64) = G_BITCAST [[BUILD_VECTOR]](<2 x s32>)
    ; CHECK-NEXT: [[EVEC:%[0-9]+]]:_(s32) = G_EXTRACT_VECTOR_ELT [[BUILD_VECTOR]](<2 x s32>), [[COPY1]](s32)
    ; CHECK-NEXT: $vgpr0 = COPY [[COPY]](s32)
    ; CHECK-NEXT: $vgpr1 = COPY [[EVEC]](s32)
    ; CHECK-NEXT: $vgpr2_vgpr3 = COPY [[BITCAST]](s64)
    %0:_(s32) = COPY $vgpr0
    %1:_(s32) = COPY $vgpr1
    %2:_(<2 x s32>) = G_BUILD_VECTOR %0, %1
    %3:_(s64) = G_BITCAST %2
    %4:_(s32) = G_TRUNC %3
    %5:_(s32) = G_EXTRACT_VECTOR_ELT %2, %1
    $vgpr0 = COPY %4
    $vgpr1 = COPY %5
    $vgpr2_vgpr3 = COPY %3
...