test/CodeGen/AMDGPU/GlobalISel/legalize-mul.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=tahiti -O0 -run-pass=legalizer -o - %s | FileCheck -check-prefix=GFX6 %s
# RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=fiji -O0 -run-pass=legalizer -o - %s | FileCheck -check-prefix=GFX8 %s
# RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx900 -O0 -run-pass=legalizer -o - %s | FileCheck -check-prefix=GFX9 %s

---
name: test_mul_s32
body: |
  bb.0:
    liveins: $vgpr0, $vgpr1

    ; GFX6-LABEL: name: test_mul_s32
    ; GFX6: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; GFX6: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
    ; GFX6: [[MUL:%[0-9]+]]:_(s32) = G_MUL [[COPY]], [[COPY1]]
    ; GFX6: $vgpr0 = COPY [[MUL]](s32)
    ; GFX8-LABEL: name: test_mul_s32
    ; GFX8: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; GFX8: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
    ; GFX8: [[MUL:%[0-9]+]]:_(s32) = G_MUL [[COPY]], [[COPY1]]
    ; GFX8: $vgpr0 = COPY [[MUL]](s32)
    ; GFX9-LABEL: name: test_mul_s32
    ; GFX9: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
    ; GFX9: [[MUL:%[0-9]+]]:_(s32) = G_MUL [[COPY]], [[COPY1]]
    ; GFX9: $vgpr0 = COPY [[MUL]](s32)
    %0:_(s32) = COPY $vgpr0
    %1:_(s32) = COPY $vgpr1
    %2:_(s32) = G_MUL %0, %1
    $vgpr0 = COPY %2
...

---
name: test_mul_v2s32
body: |
  bb.0:
    liveins: $vgpr0_vgpr1, $vgpr2_vgpr3

    ; GFX6-LABEL: name: test_mul_v2s32
    ; GFX6: [[COPY:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr0_vgpr1
    ; GFX6: [[COPY1:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr2_vgpr3
    ; GFX6: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<2 x s32>)
    ; GFX6: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY1]](<2 x s32>)
    ; GFX6: [[MUL:%[0-9]+]]:_(s32) = G_MUL [[UV]], [[UV2]]
    ; GFX6: [[MUL1:%[0-9]+]]:_(s32) = G_MUL [[UV1]], [[UV3]]
    ; GFX6: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[MUL]](s32), [[MUL1]](s32)
    ; GFX6: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
    ; GFX8-LABEL: name: test_mul_v2s32
    ; GFX8: [[COPY:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr0_vgpr1
    ; GFX8: [[COPY1:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr2_vgpr3
    ; GFX8: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<2 x s32>)
    ; GFX8: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY1]](<2 x s32>)
    ; GFX8: [[MUL:%[0-9]+]]:_(s32) = G_MUL [[UV]], [[UV2]]
    ; GFX8: [[MUL1:%[0-9]+]]:_(s32) = G_MUL [[UV1]], [[UV3]]
    ; GFX8: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[MUL]](s32), [[MUL1]](s32)
    ; GFX8: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
    ; GFX9-LABEL: name: test_mul_v2s32
    ; GFX9: [[COPY:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr0_vgpr1
    ; GFX9: [[COPY1:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr2_vgpr3
    ; GFX9: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<2 x s32>)
    ; GFX9: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY1]](<2 x s32>)
    ; GFX9: [[MUL:%[0-9]+]]:_(s32) = G_MUL [[UV]], [[UV2]]
    ; GFX9: [[MUL1:%[0-9]+]]:_(s32) = G_MUL [[UV1]], [[UV3]]
    ; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[MUL]](s32), [[MUL1]](s32)
    ; GFX9: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
    %0:_(<2 x s32>) = COPY $vgpr0_vgpr1
    %1:_(<2 x s32>) = COPY $vgpr2_vgpr3
    %2:_(<2 x s32>) = G_MUL %0, %1
    $vgpr0_vgpr1 = COPY %2
...

---
name: test_mul_s64
body: |
  bb.0:
    liveins: $vgpr0_vgpr1, $vgpr2_vgpr3

    ; GFX6-LABEL: name: test_mul_s64
    ; GFX6: [[COPY:%[0-9]+]]:_(s64) = COPY $vgpr0_vgpr1
    ; GFX6: [[COPY1:%[0-9]+]]:_(s64) = COPY $vgpr2_vgpr3
    ; GFX6: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](s64)
    ; GFX6: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY1]](s64)
    ; GFX6: [[MUL:%[0-9]+]]:_(s32) = G_MUL [[UV]], [[UV2]]
    ; GFX6: [[MUL1:%[0-9]+]]:_(s32) = G_MUL [[UV1]], [[UV2]]
    ; GFX6: [[MUL2:%[0-9]+]]:_(s32) = G_MUL [[UV]], [[UV3]]
    ; GFX6: [[UMULH:%[0-9]+]]:_(s32) = G_UMULH [[UV]], [[UV2]]
    ; GFX6: [[ADD:%[0-9]+]]:_(s32) = G_ADD [[MUL1]], [[MUL2]]
    ; GFX6: [[ADD1:%[0-9]+]]:_(s32) = G_ADD [[ADD]], [[UMULH]]
    ; GFX6: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[MUL]](s32), [[ADD1]](s32)
    ; GFX6: $vgpr0_vgpr1 = COPY [[MV]](s64)
    ; GFX8-LABEL: name: test_mul_s64
    ; GFX8: [[COPY:%[0-9]+]]:_(s64) = COPY $vgpr0_vgpr1
    ; GFX8: [[COPY1:%[0-9]+]]:_(s64) = COPY $vgpr2_vgpr3
    ; GFX8: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](s64)
    ; GFX8: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY1]](s64)
    ; GFX8: [[MUL:%[0-9]+]]:_(s32) = G_MUL [[UV]], [[UV2]]
    ; GFX8: [[MUL1:%[0-9]+]]:_(s32) = G_MUL [[UV1]], [[UV2]]
    ; GFX8: [[MUL2:%[0-9]+]]:_(s32) = G_MUL [[UV]], [[UV3]]
    ; GFX8: [[UMULH:%[0-9]+]]:_(s32) = G_UMULH [[UV]], [[UV2]]
    ; GFX8: [[ADD:%[0-9]+]]:_(s32) = G_ADD [[MUL1]], [[MUL2]]
    ; GFX8: [[ADD1:%[0-9]+]]:_(s32) = G_ADD [[ADD]], [[UMULH]]
    ; GFX8: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[MUL]](s32), [[ADD1]](s32)
    ; GFX8: $vgpr0_vgpr1 = COPY [[MV]](s64)
    ; GFX9-LABEL: name: test_mul_s64
    ; GFX9: [[COPY:%[0-9]+]]:_(s64) = COPY $vgpr0_vgpr1
    ; GFX9: [[COPY1:%[0-9]+]]:_(s64) = COPY $vgpr2_vgpr3
    ; GFX9: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](s64)
    ; GFX9: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY1]](s64)
    ; GFX9: [[MUL:%[0-9]+]]:_(s32) = G_MUL [[UV]], [[UV2]]
    ; GFX9: [[MUL1:%[0-9]+]]:_(s32) = G_MUL [[UV1]], [[UV2]]
    ; GFX9: [[MUL2:%[0-9]+]]:_(s32) = G_MUL [[UV]], [[UV3]]
    ; GFX9: [[UMULH:%[0-9]+]]:_(s32) = G_UMULH [[UV]], [[UV2]]
    ; GFX9: [[ADD:%[0-9]+]]:_(s32) = G_ADD [[MUL1]], [[MUL2]]
    ; GFX9: [[ADD1:%[0-9]+]]:_(s32) = G_ADD [[ADD]], [[UMULH]]
    ; GFX9: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[MUL]](s32), [[ADD1]](s32)
    ; GFX9: $vgpr0_vgpr1 = COPY [[MV]](s64)
    %0:_(s64) = COPY $vgpr0_vgpr1
    %1:_(s64) = COPY $vgpr2_vgpr3
    %2:_(s64) = G_MUL %0, %1
    $vgpr0_vgpr1 = COPY %2
...

---
name: test_mul_v2s64
body: |
  bb.0:
    liveins: $vgpr0_vgpr1_vgpr2_vgpr3, $vgpr4_vgpr5_vgpr6_vgpr7

    ; GFX6-LABEL: name: test_mul_v2s64
    ; GFX6: [[COPY:%[0-9]+]]:_(<2 x s64>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
    ; GFX6: [[COPY1:%[0-9]+]]:_(<2 x s64>) = COPY $vgpr4_vgpr5_vgpr6_vgpr7
    ; GFX6: [[UV:%[0-9]+]]:_(s64), [[UV1:%[0-9]+]]:_(s64) = G_UNMERGE_VALUES [[COPY]](<2 x s64>)
    ; GFX6: [[UV2:%[0-9]+]]:_(s64), [[UV3:%[0-9]+]]:_(s64) = G_UNMERGE_VALUES [[COPY1]](<2 x s64>)
    ; GFX6: [[UV4:%[0-9]+]]:_(s32), [[UV5:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV]](s64)
    ; GFX6: [[UV6:%[0-9]+]]:_(s32), [[UV7:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV2]](s64)
    ; GFX6: [[MUL:%[0-9]+]]:_(s32) = G_MUL [[UV4]], [[UV6]]
    ; GFX6: [[MUL1:%[0-9]+]]:_(s32) = G_MUL [[UV5]], [[UV6]]
    ; GFX6: [[MUL2:%[0-9]+]]:_(s32) = G_MUL [[UV4]], [[UV7]]
    ; GFX6: [[UMULH:%[0-9]+]]:_(s32) = G_UMULH [[UV4]], [[UV6]]
    ; GFX6: [[ADD:%[0-9]+]]:_(s32) = G_ADD [[MUL1]], [[MUL2]]
    ; GFX6: [[ADD1:%[0-9]+]]:_(s32) = G_ADD [[ADD]], [[UMULH]]
    ; GFX6: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[MUL]](s32), [[ADD1]](s32)
    ; GFX6: [[UV8:%[0-9]+]]:_(s32), [[UV9:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV1]](s64)
    ; GFX6: [[UV10:%[0-9]+]]:_(s32), [[UV11:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV3]](s64)
    ; GFX6: [[MUL3:%[0-9]+]]:_(s32) = G_MUL [[UV8]], [[UV10]]
    ; GFX6: [[MUL4:%[0-9]+]]:_(s32) = G_MUL [[UV9]], [[UV10]]
    ; GFX6: [[MUL5:%[0-9]+]]:_(s32) = G_MUL [[UV8]], [[UV11]]
    ; GFX6: [[UMULH1:%[0-9]+]]:_(s32) = G_UMULH [[UV8]], [[UV10]]
    ; GFX6: [[ADD2:%[0-9]+]]:_(s32) = G_ADD [[MUL4]], [[MUL5]]
    ; GFX6: [[ADD3:%[0-9]+]]:_(s32) = G_ADD [[ADD2]], [[UMULH1]]
    ; GFX6: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[MUL3]](s32), [[ADD3]](s32)
    ; GFX6: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64)
    ; GFX6: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<2 x s64>)
    ; GFX8-LABEL: name: test_mul_v2s64
    ; GFX8: [[COPY:%[0-9]+]]:_(<2 x s64>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
    ; GFX8: [[COPY1:%[0-9]+]]:_(<2 x s64>) = COPY $vgpr4_vgpr5_vgpr6_vgpr7
    ; GFX8: [[UV:%[0-9]+]]:_(s64), [[UV1:%[0-9]+]]:_(s64) = G_UNMERGE_VALUES [[COPY]](<2 x s64>)
    ; GFX8: [[UV2:%[0-9]+]]:_(s64), [[UV3:%[0-9]+]]:_(s64) = G_UNMERGE_VALUES [[COPY1]](<2 x s64>)
    ; GFX8: [[UV4:%[0-9]+]]:_(s32), [[UV5:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV]](s64)
    ; GFX8: [[UV6:%[0-9]+]]:_(s32), [[UV7:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV2]](s64)
    ; GFX8: [[MUL:%[0-9]+]]:_(s32) = G_MUL [[UV4]], [[UV6]]
    ; GFX8: [[MUL1:%[0-9]+]]:_(s32) = G_MUL [[UV5]], [[UV6]]
    ; GFX8: [[MUL2:%[0-9]+]]:_(s32) = G_MUL [[UV4]], [[UV7]]
    ; GFX8: [[UMULH:%[0-9]+]]:_(s32) = G_UMULH [[UV4]], [[UV6]]
    ; GFX8: [[ADD:%[0-9]+]]:_(s32) = G_ADD [[MUL1]], [[MUL2]]
    ; GFX8: [[ADD1:%[0-9]+]]:_(s32) = G_ADD [[ADD]], [[UMULH]]
    ; GFX8: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[MUL]](s32), [[ADD1]](s32)
    ; GFX8: [[UV8:%[0-9]+]]:_(s32), [[UV9:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV1]](s64)
    ; GFX8: [[UV10:%[0-9]+]]:_(s32), [[UV11:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV3]](s64)
    ; GFX8: [[MUL3:%[0-9]+]]:_(s32) = G_MUL [[UV8]], [[UV10]]
    ; GFX8: [[MUL4:%[0-9]+]]:_(s32) = G_MUL [[UV9]], [[UV10]]
    ; GFX8: [[MUL5:%[0-9]+]]:_(s32) = G_MUL [[UV8]], [[UV11]]
    ; GFX8: [[UMULH1:%[0-9]+]]:_(s32) = G_UMULH [[UV8]], [[UV10]]
    ; GFX8: [[ADD2:%[0-9]+]]:_(s32) = G_ADD [[MUL4]], [[MUL5]]
    ; GFX8: [[ADD3:%[0-9]+]]:_(s32) = G_ADD [[ADD2]], [[UMULH1]]
    ; GFX8: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[MUL3]](s32), [[ADD3]](s32)
    ; GFX8: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64)
    ; GFX8: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<2 x s64>)
    ; GFX9-LABEL: name: test_mul_v2s64
    ; GFX9: [[COPY:%[0-9]+]]:_(<2 x s64>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
    ; GFX9: [[COPY1:%[0-9]+]]:_(<2 x s64>) = COPY $vgpr4_vgpr5_vgpr6_vgpr7
    ; GFX9: [[UV:%[0-9]+]]:_(s64), [[UV1:%[0-9]+]]:_(s64) = G_UNMERGE_VALUES [[COPY]](<2 x s64>)
    ; GFX9: [[UV2:%[0-9]+]]:_(s64), [[UV3:%[0-9]+]]:_(s64) = G_UNMERGE_VALUES [[COPY1]](<2 x s64>)
    ; GFX9: [[UV4:%[0-9]+]]:_(s32), [[UV5:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV]](s64)
    ; GFX9: [[UV6:%[0-9]+]]:_(s32), [[UV7:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV2]](s64)
    ; GFX9: [[MUL:%[0-9]+]]:_(s32) = G_MUL [[UV4]], [[UV6]]
    ; GFX9: [[MUL1:%[0-9]+]]:_(s32) = G_MUL [[UV5]], [[UV6]]
    ; GFX9: [[MUL2:%[0-9]+]]:_(s32) = G_MUL [[UV4]], [[UV7]]
    ; GFX9: [[UMULH:%[0-9]+]]:_(s32) = G_UMULH [[UV4]], [[UV6]]
    ; GFX9: [[ADD:%[0-9]+]]:_(s32) = G_ADD [[MUL1]], [[MUL2]]
    ; GFX9: [[ADD1:%[0-9]+]]:_(s32) = G_ADD [[ADD]], [[UMULH]]
    ; GFX9: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[MUL]](s32), [[ADD1]](s32)
    ; GFX9: [[UV8:%[0-9]+]]:_(s32), [[UV9:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV1]](s64)
    ; GFX9: [[UV10:%[0-9]+]]:_(s32), [[UV11:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV3]](s64)
    ; GFX9: [[MUL3:%[0-9]+]]:_(s32) = G_MUL [[UV8]], [[UV10]]
    ; GFX9: [[MUL4:%[0-9]+]]:_(s32) = G_MUL [[UV9]], [[UV10]]
    ; GFX9: [[MUL5:%[0-9]+]]:_(s32) = G_MUL [[UV8]], [[UV11]]
    ; GFX9: [[UMULH1:%[0-9]+]]:_(s32) = G_UMULH [[UV8]], [[UV10]]
    ; GFX9: [[ADD2:%[0-9]+]]:_(s32) = G_ADD [[MUL4]], [[MUL5]]
    ; GFX9: [[ADD3:%[0-9]+]]:_(s32) = G_ADD [[ADD2]], [[UMULH1]]
    ; GFX9: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[MUL3]](s32), [[ADD3]](s32)
    ; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64)
    ; GFX9: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<2 x s64>)
    %0:_(<2 x s64>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
    %1:_(<2 x s64>) = COPY $vgpr4_vgpr5_vgpr6_vgpr7
    %2:_(<2 x s64>) = G_MUL %0, %1
    $vgpr0_vgpr1_vgpr2_vgpr3 = COPY %2
...

---
name: test_mul_s16
body: |
  bb.0:
    liveins: $vgpr0, $vgpr1

    ; GFX6-LABEL: name: test_mul_s16
    ; GFX6: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; GFX6: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
    ; GFX6: [[COPY2:%[0-9]+]]:_(s32) = COPY [[COPY]](s32)
    ; GFX6: [[COPY3:%[0-9]+]]:_(s32) = COPY [[COPY1]](s32)
    ; GFX6: [[MUL:%[0-9]+]]:_(s32) = G_MUL [[COPY2]], [[COPY3]]
    ; GFX6: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
    ; GFX6: [[COPY4:%[0-9]+]]:_(s32) = COPY [[MUL]](s32)
    ; GFX6: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C]]
    ; GFX6: $vgpr0 = COPY [[AND]](s32)
    ; GFX8-LABEL: name: test_mul_s16
    ; GFX8: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; GFX8: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
    ; GFX8: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[COPY]](s32)
    ; GFX8: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[COPY1]](s32)
    ; GFX8: [[MUL:%[0-9]+]]:_(s16) = G_MUL [[TRUNC]], [[TRUNC1]]
    ; GFX8: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[MUL]](s16)
    ; GFX8: $vgpr0 = COPY [[ZEXT]](s32)
    ; GFX9-LABEL: name: test_mul_s16
    ; GFX9: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
    ; GFX9: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[COPY]](s32)
    ; GFX9: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[COPY1]](s32)
    ; GFX9: [[MUL:%[0-9]+]]:_(s16) = G_MUL [[TRUNC]], [[TRUNC1]]
    ; GFX9: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[MUL]](s16)
    ; GFX9: $vgpr0 = COPY [[ZEXT]](s32)
    %0:_(s32) = COPY $vgpr0
    %1:_(s32) = COPY $vgpr1
    %2:_(s16) = G_TRUNC %0
    %3:_(s16) = G_TRUNC %1
    %4:_(s16) = G_MUL %2, %3
    %5:_(s32) = G_ZEXT %4
    $vgpr0 = COPY %5
...

---
name: test_mul_v2s16
body: |
  bb.0:
    liveins: $vgpr0, $vgpr1

    ; GFX6-LABEL: name: test_mul_v2s16
    ; GFX6: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX6: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; GFX6: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[COPY]](<2 x s16>)
    ; GFX6: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; GFX6: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C]](s32)
    ; GFX6: [[BITCAST1:%[0-9]+]]:_(s32) = G_BITCAST [[COPY1]](<2 x s16>)
    ; GFX6: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST1]], [[C]](s32)
    ; GFX6: [[COPY2:%[0-9]+]]:_(s32) = COPY [[BITCAST]](s32)
    ; GFX6: [[COPY3:%[0-9]+]]:_(s32) = COPY [[BITCAST1]](s32)
    ; GFX6: [[MUL:%[0-9]+]]:_(s32) = G_MUL [[COPY2]], [[COPY3]]
    ; GFX6: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[MUL]](s32)
    ; GFX6: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
    ; GFX6: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
    ; GFX6: [[MUL1:%[0-9]+]]:_(s32) = G_MUL [[COPY4]], [[COPY5]]
    ; GFX6: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[MUL1]](s32)
    ; GFX6: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR [[TRUNC]](s16), [[TRUNC1]](s16)
    ; GFX6: $vgpr0 = COPY [[BUILD_VECTOR]](<2 x s16>)
    ; GFX8-LABEL: name: test_mul_v2s16
    ; GFX8: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX8: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; GFX8: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[COPY]](<2 x s16>)
    ; GFX8: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[BITCAST]](s32)
    ; GFX8: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; GFX8: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C]](s32)
    ; GFX8: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LSHR]](s32)
    ; GFX8: [[BITCAST1:%[0-9]+]]:_(s32) = G_BITCAST [[COPY1]](<2 x s16>)
    ; GFX8: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[BITCAST1]](s32)
    ; GFX8: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST1]], [[C]](s32)
    ; GFX8: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[LSHR1]](s32)
    ; GFX8: [[MUL:%[0-9]+]]:_(s16) = G_MUL [[TRUNC]], [[TRUNC2]]
    ; GFX8: [[MUL1:%[0-9]+]]:_(s16) = G_MUL [[TRUNC1]], [[TRUNC3]]
    ; GFX8: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR [[MUL]](s16), [[MUL1]](s16)
    ; GFX8: $vgpr0 = COPY [[BUILD_VECTOR]](<2 x s16>)
    ; GFX9-LABEL: name: test_mul_v2s16
    ; GFX9: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX9: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; GFX9: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[COPY]](<2 x s16>)
    ; GFX9: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[BITCAST]](s32)
    ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; GFX9: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C]](s32)
    ; GFX9: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LSHR]](s32)
    ; GFX9: [[BITCAST1:%[0-9]+]]:_(s32) = G_BITCAST [[COPY1]](<2 x s16>)
    ; GFX9: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[BITCAST1]](s32)
    ; GFX9: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST1]], [[C]](s32)
    ; GFX9: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[LSHR1]](s32)
    ; GFX9: [[MUL:%[0-9]+]]:_(s16) = G_MUL [[TRUNC]], [[TRUNC2]]
    ; GFX9: [[MUL1:%[0-9]+]]:_(s16) = G_MUL [[TRUNC1]], [[TRUNC3]]
    ; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR [[MUL]](s16), [[MUL1]](s16)
    ; GFX9: $vgpr0 = COPY [[BUILD_VECTOR]](<2 x s16>)
    %0:_(<2 x s16>) = COPY $vgpr0
    %1:_(<2 x s16>) = COPY $vgpr1
    %2:_(<2 x s16>) = G_MUL %0, %1
    $vgpr0 = COPY %2
...