llvm/test/CodeGen/AMDGPU/GlobalISel/combine-trunc-sext.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=tahiti -run-pass=amdgpu-prelegalizer-combiner %s -o - | FileCheck -check-prefixes=GCN,PRELEGAL %s
# RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=tahiti -run-pass=amdgpu-regbank-combiner %s -o - | FileCheck -check-prefixes=GCN,RBCOMB %s

---
name: trunc_sext_i32_i16
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr0

    ; GCN-LABEL: name: trunc_sext_i32_i16
    ; GCN: liveins: $vgpr0
    ; GCN-NEXT: {{  $}}
    ; GCN-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; GCN-NEXT: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY]], 16
    ; GCN-NEXT: $vgpr0 = COPY [[SEXT_INREG]](s32)
    %0:_(s32) = COPY $vgpr0
    %1:_(s16) = G_TRUNC %0
    %2:_(s32) = G_SEXT %1
    $vgpr0 = COPY %2
...

---
name: trunc_sext_i32_i8
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr0

    ; GCN-LABEL: name: trunc_sext_i32_i8
    ; GCN: liveins: $vgpr0
    ; GCN-NEXT: {{  $}}
    ; GCN-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; GCN-NEXT: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY]], 8
    ; GCN-NEXT: $vgpr0 = COPY [[SEXT_INREG]](s32)
    %0:_(s32) = COPY $vgpr0
    %1:_(s8) = G_TRUNC %0
    %2:_(s32) = G_SEXT %1
    $vgpr0 = COPY %2
...

---
name: trunc_sext_i64_i32
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr0_vgpr1

    ; GCN-LABEL: name: trunc_sext_i64_i32
    ; GCN: liveins: $vgpr0_vgpr1
    ; GCN-NEXT: {{  $}}
    ; GCN-NEXT: [[COPY:%[0-9]+]]:_(s64) = COPY $vgpr0_vgpr1
    ; GCN-NEXT: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[COPY]], 32
    ; GCN-NEXT: $vgpr0_vgpr1 = COPY [[SEXT_INREG]](s64)
    %0:_(s64) = COPY $vgpr0_vgpr1
    %1:_(s32) = G_TRUNC %0
    %2:_(s64) = G_SEXT %1
    $vgpr0_vgpr1 = COPY %2
...

---
name: trunc_sext_v4i32_v4i16
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr0_vgpr1_vgpr2_vgpr3

    ; PRELEGAL-LABEL: name: trunc_sext_v4i32_v4i16
    ; PRELEGAL: liveins: $vgpr0_vgpr1_vgpr2_vgpr3
    ; PRELEGAL-NEXT: {{  $}}
    ; PRELEGAL-NEXT: [[COPY:%[0-9]+]]:_(<4 x s32>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
    ; PRELEGAL-NEXT: [[SEXT_INREG:%[0-9]+]]:_(<4 x s32>) = G_SEXT_INREG [[COPY]], 16
    ; PRELEGAL-NEXT: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[SEXT_INREG]](<4 x s32>)
    ;
    ; RBCOMB-LABEL: name: trunc_sext_v4i32_v4i16
    ; RBCOMB: liveins: $vgpr0_vgpr1_vgpr2_vgpr3
    ; RBCOMB-NEXT: {{  $}}
    ; RBCOMB-NEXT: [[COPY:%[0-9]+]]:_(<4 x s32>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
    ; RBCOMB-NEXT: [[TRUNC:%[0-9]+]]:_(<4 x s16>) = G_TRUNC [[COPY]](<4 x s32>)
    ; RBCOMB-NEXT: [[SEXT:%[0-9]+]]:_(<4 x s32>) = G_SEXT [[TRUNC]](<4 x s16>)
    ; RBCOMB-NEXT: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[SEXT]](<4 x s32>)
    %0:_(<4 x s32>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
    %1:_(<4 x s16>) = G_TRUNC %0
    %2:_(<4 x s32>) = G_SEXT %1
    $vgpr0_vgpr1_vgpr2_vgpr3 = COPY %2
...

---
name: trunc_sext_v4i16_v4i8
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr0_vgpr1

    ; PRELEGAL-LABEL: name: trunc_sext_v4i16_v4i8
    ; PRELEGAL: liveins: $vgpr0_vgpr1
    ; PRELEGAL-NEXT: {{  $}}
    ; PRELEGAL-NEXT: [[COPY:%[0-9]+]]:_(<4 x s16>) = COPY $vgpr0_vgpr1
    ; PRELEGAL-NEXT: [[SEXT_INREG:%[0-9]+]]:_(<4 x s16>) = G_SEXT_INREG [[COPY]], 8
    ; PRELEGAL-NEXT: $vgpr0_vgpr1 = COPY [[SEXT_INREG]](<4 x s16>)
    ;
    ; RBCOMB-LABEL: name: trunc_sext_v4i16_v4i8
    ; RBCOMB: liveins: $vgpr0_vgpr1
    ; RBCOMB-NEXT: {{  $}}
    ; RBCOMB-NEXT: [[COPY:%[0-9]+]]:_(<4 x s16>) = COPY $vgpr0_vgpr1
    ; RBCOMB-NEXT: [[TRUNC:%[0-9]+]]:_(<4 x s8>) = G_TRUNC [[COPY]](<4 x s16>)
    ; RBCOMB-NEXT: [[SEXT:%[0-9]+]]:_(<4 x s16>) = G_SEXT [[TRUNC]](<4 x s8>)
    ; RBCOMB-NEXT: $vgpr0_vgpr1 = COPY [[SEXT]](<4 x s16>)
    %0:_(<4 x s16>) = COPY $vgpr0_vgpr1
    %1:_(<4 x s8>) = G_TRUNC %0
    %2:_(<4 x s16>) = G_SEXT %1
    $vgpr0_vgpr1 = COPY %2
...

---
name: trunc_sext_mismatching_types
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr0_vgpr1

    ; GCN-LABEL: name: trunc_sext_mismatching_types
    ; GCN: liveins: $vgpr0_vgpr1
    ; GCN-NEXT: {{  $}}
    ; GCN-NEXT: [[COPY:%[0-9]+]]:_(s64) = COPY $vgpr0_vgpr1
    ; GCN-NEXT: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[COPY]](s64)
    ; GCN-NEXT: [[SEXT:%[0-9]+]]:_(s32) = G_SEXT [[TRUNC]](s16)
    ; GCN-NEXT: $vgpr0 = COPY [[SEXT]](s32)
    %0:_(s64) = COPY $vgpr0_vgpr1
    %1:_(s16) = G_TRUNC %0
    %2:_(s32) = G_SEXT %1
    $vgpr0 = COPY %2
...