llvm/llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-build-vector-trunc.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -O0 -run-pass=legalizer %s -o - | FileCheck -check-prefix=GFX9PLUS %s
# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1010 -O0 -run-pass=legalizer %s -o - | FileCheck -check-prefix=GFX9PLUS %s
# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1100 -O0 -run-pass=legalizer %s -o - | FileCheck -check-prefix=GFX9PLUS %s
# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=fiji -O0 -run-pass=legalizer %s -o - | FileCheck -check-prefix=PREGFX8 %s
# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=bonaire -O0 -run-pass=legalizer %s -o - | FileCheck -check-prefix=PREGFX8 %s

---
name: legal_s32_to_v2s16
body: |
  bb.0:
    liveins: $vgpr0, $vgpr1

    ; GFX9PLUS-LABEL: name: legal_s32_to_v2s16
    ; GFX9PLUS: liveins: $vgpr0, $vgpr1
    ; GFX9PLUS-NEXT: {{  $}}
    ; GFX9PLUS-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; GFX9PLUS-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
    ; GFX9PLUS-NEXT: [[BUILD_VECTOR_TRUNC:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY]](s32), [[COPY1]](s32)
    ; GFX9PLUS-NEXT: S_NOP 0, implicit [[BUILD_VECTOR_TRUNC]](<2 x s16>)
    ; PREGFX8-LABEL: name: legal_s32_to_v2s16
    ; PREGFX8: liveins: $vgpr0, $vgpr1
    ; PREGFX8-NEXT: {{  $}}
    ; PREGFX8-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; PREGFX8-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
    ; PREGFX8-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
    ; PREGFX8-NEXT: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY]], [[C]]
    ; PREGFX8-NEXT: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C]]
    ; PREGFX8-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; PREGFX8-NEXT: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C1]](s32)
    ; PREGFX8-NEXT: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
    ; PREGFX8-NEXT: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
    ; PREGFX8-NEXT: S_NOP 0, implicit [[BITCAST]](<2 x s16>)
    %0:_(s32) = COPY $vgpr0
    %1:_(s32) = COPY $vgpr1
    %2:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC %0, %1
    S_NOP 0, implicit %2
...