src/llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-sext-inreg.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -march=amdgcn -mcpu=tahiti -run-pass=instruction-select -verify-machineinstrs -global-isel %s -o - | FileCheck -check-prefix=GCN %s

---

name: sext_inreg_sgpr_s32_1
legalized:       true
regBankSelected: true
body: |
  bb.0:
    liveins: $sgpr0

    ; GCN-LABEL: name: sext_inreg_sgpr_s32_1
    ; GCN: liveins: $sgpr0
    ; GCN-NEXT: {{  $}}
    ; GCN-NEXT: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0
    ; GCN-NEXT: [[S_BFE_I32_:%[0-9]+]]:sreg_32 = S_BFE_I32 [[COPY]], 65536, implicit-def $scc
    ; GCN-NEXT: $sgpr0 = COPY [[S_BFE_I32_]]
    %0:sgpr(s32) = COPY $sgpr0
    %1:sgpr(s32) = G_SEXT_INREG %0, 1
    $sgpr0 = COPY %1
...

---

name: sext_inreg_sgpr_s32_2
legalized:       true
regBankSelected: true
body: |
  bb.0:
    liveins: $sgpr0

    ; GCN-LABEL: name: sext_inreg_sgpr_s32_2
    ; GCN: liveins: $sgpr0
    ; GCN-NEXT: {{  $}}
    ; GCN-NEXT: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0
    ; GCN-NEXT: [[S_BFE_I32_:%[0-9]+]]:sreg_32 = S_BFE_I32 [[COPY]], 131072, implicit-def $scc
    ; GCN-NEXT: $sgpr0 = COPY [[S_BFE_I32_]]
    %0:sgpr(s32) = COPY $sgpr0
    %1:sgpr(s32) = G_SEXT_INREG %0, 2
    $sgpr0 = COPY %1
...

---

name: sext_inreg_sgpr_s32_8
legalized:       true
regBankSelected: true
body: |
  bb.0:
    liveins: $sgpr0

    ; GCN-LABEL: name: sext_inreg_sgpr_s32_8
    ; GCN: liveins: $sgpr0
    ; GCN-NEXT: {{  $}}
    ; GCN-NEXT: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0
    ; GCN-NEXT: [[S_SEXT_I32_I8_:%[0-9]+]]:sreg_32 = S_SEXT_I32_I8 [[COPY]]
    ; GCN-NEXT: $sgpr0 = COPY [[S_SEXT_I32_I8_]]
    %0:sgpr(s32) = COPY $sgpr0
    %1:sgpr(s32) = G_SEXT_INREG %0, 8
    $sgpr0 = COPY %1
...

---

name: sext_inreg_sgpr_s32_16
legalized:       true
regBankSelected: true
body: |
  bb.0:
    liveins: $sgpr0

    ; GCN-LABEL: name: sext_inreg_sgpr_s32_16
    ; GCN: liveins: $sgpr0
    ; GCN-NEXT: {{  $}}
    ; GCN-NEXT: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0
    ; GCN-NEXT: [[S_SEXT_I32_I16_:%[0-9]+]]:sreg_32 = S_SEXT_I32_I16 [[COPY]]
    ; GCN-NEXT: $sgpr0 = COPY [[S_SEXT_I32_I16_]]
    %0:sgpr(s32) = COPY $sgpr0
    %1:sgpr(s32) = G_SEXT_INREG %0, 16
    $sgpr0 = COPY %1
...

---

name: sext_inreg_sgpr_s32_31
legalized:       true
regBankSelected: true
body: |
  bb.0:
    liveins: $sgpr0

    ; GCN-LABEL: name: sext_inreg_sgpr_s32_31
    ; GCN: liveins: $sgpr0
    ; GCN-NEXT: {{  $}}
    ; GCN-NEXT: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0
    ; GCN-NEXT: [[S_BFE_I32_:%[0-9]+]]:sreg_32 = S_BFE_I32 [[COPY]], 2031616, implicit-def $scc
    ; GCN-NEXT: $sgpr0 = COPY [[S_BFE_I32_]]
    %0:sgpr(s32) = COPY $sgpr0
    %1:sgpr(s32) = G_SEXT_INREG %0, 31
    $sgpr0 = COPY %1
...

---

name: sext_inreg_sgpr_s64_1
legalized:       true
regBankSelected: true
body: |
  bb.0:
    liveins: $sgpr0_sgpr1

    ; GCN-LABEL: name: sext_inreg_sgpr_s64_1
    ; GCN: liveins: $sgpr0_sgpr1
    ; GCN-NEXT: {{  $}}
    ; GCN-NEXT: [[COPY:%[0-9]+]]:sreg_64 = COPY $sgpr0_sgpr1
    ; GCN-NEXT: [[DEF:%[0-9]+]]:sreg_32 = IMPLICIT_DEF
    ; GCN-NEXT: [[REG_SEQUENCE:%[0-9]+]]:sreg_64 = REG_SEQUENCE [[COPY]].sub0, %subreg.sub0, [[DEF]], %subreg.sub1
    ; GCN-NEXT: [[S_BFE_I64_:%[0-9]+]]:sreg_64 = S_BFE_I64 [[REG_SEQUENCE]], 65536, implicit-def $scc
    ; GCN-NEXT: $sgpr0_sgpr1 = COPY [[S_BFE_I64_]]
    %0:sgpr(s64) = COPY $sgpr0_sgpr1
    %1:sgpr(s64) = G_SEXT_INREG %0, 1
    $sgpr0_sgpr1 = COPY %1
...

---

name: sext_inreg_sgpr_s64_2
legalized:       true
regBankSelected: true
body: |
  bb.0:
    liveins: $sgpr0_sgpr1

    ; GCN-LABEL: name: sext_inreg_sgpr_s64_2
    ; GCN: liveins: $sgpr0_sgpr1
    ; GCN-NEXT: {{  $}}
    ; GCN-NEXT: [[COPY:%[0-9]+]]:sreg_64 = COPY $sgpr0_sgpr1
    ; GCN-NEXT: [[DEF:%[0-9]+]]:sreg_32 = IMPLICIT_DEF
    ; GCN-NEXT: [[REG_SEQUENCE:%[0-9]+]]:sreg_64 = REG_SEQUENCE [[COPY]].sub0, %subreg.sub0, [[DEF]], %subreg.sub1
    ; GCN-NEXT: [[S_BFE_I64_:%[0-9]+]]:sreg_64 = S_BFE_I64 [[REG_SEQUENCE]], 131072, implicit-def $scc
    ; GCN-NEXT: $sgpr0_sgpr1 = COPY [[S_BFE_I64_]]
    %0:sgpr(s64) = COPY $sgpr0_sgpr1
    %1:sgpr(s64) = G_SEXT_INREG %0, 2
    $sgpr0_sgpr1 = COPY %1
...

---

name: sext_inreg_sgpr_s64_8
legalized:       true
regBankSelected: true
body: |
  bb.0:
    liveins: $sgpr0_sgpr1

    ; GCN-LABEL: name: sext_inreg_sgpr_s64_8
    ; GCN: liveins: $sgpr0_sgpr1
    ; GCN-NEXT: {{  $}}
    ; GCN-NEXT: [[COPY:%[0-9]+]]:sreg_64 = COPY $sgpr0_sgpr1
    ; GCN-NEXT: [[DEF:%[0-9]+]]:sreg_32 = IMPLICIT_DEF
    ; GCN-NEXT: [[REG_SEQUENCE:%[0-9]+]]:sreg_64 = REG_SEQUENCE [[COPY]].sub0, %subreg.sub0, [[DEF]], %subreg.sub1
    ; GCN-NEXT: [[S_BFE_I64_:%[0-9]+]]:sreg_64 = S_BFE_I64 [[REG_SEQUENCE]], 524288, implicit-def $scc
    ; GCN-NEXT: $sgpr0_sgpr1 = COPY [[S_BFE_I64_]]
    %0:sgpr(s64) = COPY $sgpr0_sgpr1
    %1:sgpr(s64) = G_SEXT_INREG %0, 8
    $sgpr0_sgpr1 = COPY %1
...

---

name: sext_inreg_sgpr_s64_16
legalized:       true
regBankSelected: true
body: |
  bb.0:
    liveins: $sgpr0_sgpr1

    ; GCN-LABEL: name: sext_inreg_sgpr_s64_16
    ; GCN: liveins: $sgpr0_sgpr1
    ; GCN-NEXT: {{  $}}
    ; GCN-NEXT: [[COPY:%[0-9]+]]:sreg_64 = COPY $sgpr0_sgpr1
    ; GCN-NEXT: [[DEF:%[0-9]+]]:sreg_32 = IMPLICIT_DEF
    ; GCN-NEXT: [[REG_SEQUENCE:%[0-9]+]]:sreg_64 = REG_SEQUENCE [[COPY]].sub0, %subreg.sub0, [[DEF]], %subreg.sub1
    ; GCN-NEXT: [[S_BFE_I64_:%[0-9]+]]:sreg_64 = S_BFE_I64 [[REG_SEQUENCE]], 1048576, implicit-def $scc
    ; GCN-NEXT: $sgpr0_sgpr1 = COPY [[S_BFE_I64_]]
    %0:sgpr(s64) = COPY $sgpr0_sgpr1
    %1:sgpr(s64) = G_SEXT_INREG %0, 16
    $sgpr0_sgpr1 = COPY %1
...

---

name: sext_inreg_sgpr_s64_31
legalized:       true
regBankSelected: true
body: |
  bb.0:
    liveins: $sgpr0_sgpr1

    ; GCN-LABEL: name: sext_inreg_sgpr_s64_31
    ; GCN: liveins: $sgpr0_sgpr1
    ; GCN-NEXT: {{  $}}
    ; GCN-NEXT: [[COPY:%[0-9]+]]:sreg_64 = COPY $sgpr0_sgpr1
    ; GCN-NEXT: [[DEF:%[0-9]+]]:sreg_32 = IMPLICIT_DEF
    ; GCN-NEXT: [[REG_SEQUENCE:%[0-9]+]]:sreg_64 = REG_SEQUENCE [[COPY]].sub0, %subreg.sub0, [[DEF]], %subreg.sub1
    ; GCN-NEXT: [[S_BFE_I64_:%[0-9]+]]:sreg_64 = S_BFE_I64 [[REG_SEQUENCE]], 2031616, implicit-def $scc
    ; GCN-NEXT: $sgpr0_sgpr1 = COPY [[S_BFE_I64_]]
    %0:sgpr(s64) = COPY $sgpr0_sgpr1
    %1:sgpr(s64) = G_SEXT_INREG %0, 31
    $sgpr0_sgpr1 = COPY %1
...

# Ideally this degenerate case would have been replaceed with a 32-bit shift by combines.
---

name: sext_inreg_sgpr_s64_32
legalized:       true
regBankSelected: true
body: |
  bb.0:
    liveins: $sgpr0_sgpr1

    ; GCN-LABEL: name: sext_inreg_sgpr_s64_32
    ; GCN: liveins: $sgpr0_sgpr1
    ; GCN-NEXT: {{  $}}
    ; GCN-NEXT: [[COPY:%[0-9]+]]:sreg_64 = COPY $sgpr0_sgpr1
    ; GCN-NEXT: [[S_ASHR_I32_:%[0-9]+]]:sreg_32 = S_ASHR_I32 [[COPY]].sub0, 31, implicit-def $scc
    ; GCN-NEXT: [[REG_SEQUENCE:%[0-9]+]]:sreg_64 = REG_SEQUENCE [[COPY]].sub0, %subreg.sub0, [[S_ASHR_I32_]], %subreg.sub1
    ; GCN-NEXT: $sgpr0_sgpr1 = COPY [[REG_SEQUENCE]]
    %0:sgpr(s64) = COPY $sgpr0_sgpr1
    %1:sgpr(s64) = G_SEXT_INREG %0, 32
    $sgpr0_sgpr1 = COPY %1
...

---

name: sext_inreg_sgpr_s64_63
legalized:       true
regBankSelected: true
body: |
  bb.0:
    liveins: $sgpr0_sgpr1

    ; GCN-LABEL: name: sext_inreg_sgpr_s64_63
    ; GCN: liveins: $sgpr0_sgpr1
    ; GCN-NEXT: {{  $}}
    ; GCN-NEXT: [[COPY:%[0-9]+]]:sreg_64 = COPY $sgpr0_sgpr1
    ; GCN-NEXT: [[DEF:%[0-9]+]]:sreg_32 = IMPLICIT_DEF
    ; GCN-NEXT: [[REG_SEQUENCE:%[0-9]+]]:sreg_64 = REG_SEQUENCE [[COPY]].sub0, %subreg.sub0, [[DEF]], %subreg.sub1
    ; GCN-NEXT: [[S_BFE_I64_:%[0-9]+]]:sreg_64 = S_BFE_I64 [[REG_SEQUENCE]], 4128768, implicit-def $scc
    ; GCN-NEXT: $sgpr0_sgpr1 = COPY [[S_BFE_I64_]]
    %0:sgpr(s64) = COPY $sgpr0_sgpr1
    %1:sgpr(s64) = G_SEXT_INREG %0, 63
    $sgpr0_sgpr1 = COPY %1
...

---

name: sext_inreg_vgpr_s32_1
legalized:       true
regBankSelected: true
body: |
  bb.0:
    liveins: $vgpr0

    ; GCN-LABEL: name: sext_inreg_vgpr_s32_1
    ; GCN: liveins: $vgpr0
    ; GCN-NEXT: {{  $}}
    ; GCN-NEXT: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
    ; GCN-NEXT: [[V_BFE_I32_e64_:%[0-9]+]]:vgpr_32 = V_BFE_I32_e64 [[COPY]], 0, 1, implicit $exec
    ; GCN-NEXT: $vgpr0 = COPY [[V_BFE_I32_e64_]]
    %0:vgpr(s32) = COPY $vgpr0
    %1:vgpr(s32) = G_SEXT_INREG %0, 1
    $vgpr0 = COPY %1
...

---

name: sext_inreg_vgpr_s32_2
legalized:       true
regBankSelected: true
body: |
  bb.0:
    liveins: $vgpr0

    ; GCN-LABEL: name: sext_inreg_vgpr_s32_2
    ; GCN: liveins: $vgpr0
    ; GCN-NEXT: {{  $}}
    ; GCN-NEXT: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
    ; GCN-NEXT: [[V_BFE_I32_e64_:%[0-9]+]]:vgpr_32 = V_BFE_I32_e64 [[COPY]], 0, 2, implicit $exec
    ; GCN-NEXT: $vgpr0 = COPY [[V_BFE_I32_e64_]]
    %0:vgpr(s32) = COPY $vgpr0
    %1:vgpr(s32) = G_SEXT_INREG %0, 2
    $vgpr0 = COPY %1
...

---

name: sext_inreg_vgpr_s32_8
legalized:       true
regBankSelected: true
body: |
  bb.0:
    liveins: $vgpr0

    ; GCN-LABEL: name: sext_inreg_vgpr_s32_8
    ; GCN: liveins: $vgpr0
    ; GCN-NEXT: {{  $}}
    ; GCN-NEXT: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
    ; GCN-NEXT: [[V_BFE_I32_e64_:%[0-9]+]]:vgpr_32 = V_BFE_I32_e64 [[COPY]], 0, 8, implicit $exec
    ; GCN-NEXT: $vgpr0 = COPY [[V_BFE_I32_e64_]]
    %0:vgpr(s32) = COPY $vgpr0
    %1:vgpr(s32) = G_SEXT_INREG %0, 8
    $vgpr0 = COPY %1
...

---

name: sext_inreg_vgpr_s32_16
legalized:       true
regBankSelected: true
body: |
  bb.0:
    liveins: $vgpr0

    ; GCN-LABEL: name: sext_inreg_vgpr_s32_16
    ; GCN: liveins: $vgpr0
    ; GCN-NEXT: {{  $}}
    ; GCN-NEXT: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
    ; GCN-NEXT: [[V_BFE_I32_e64_:%[0-9]+]]:vgpr_32 = V_BFE_I32_e64 [[COPY]], 0, 16, implicit $exec
    ; GCN-NEXT: $vgpr0 = COPY [[V_BFE_I32_e64_]]
    %0:vgpr(s32) = COPY $vgpr0
    %1:vgpr(s32) = G_SEXT_INREG %0, 16
    $vgpr0 = COPY %1
...

---

name: sext_inreg_vgpr_s32_31
legalized:       true
regBankSelected: true
body: |
  bb.0:
    liveins: $vgpr0

    ; GCN-LABEL: name: sext_inreg_vgpr_s32_31
    ; GCN: liveins: $vgpr0
    ; GCN-NEXT: {{  $}}
    ; GCN-NEXT: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
    ; GCN-NEXT: [[V_BFE_I32_e64_:%[0-9]+]]:vgpr_32 = V_BFE_I32_e64 [[COPY]], 0, 31, implicit $exec
    ; GCN-NEXT: $vgpr0 = COPY [[V_BFE_I32_e64_]]
    %0:vgpr(s32) = COPY $vgpr0
    %1:vgpr(s32) = G_SEXT_INREG %0, 31
    $vgpr0 = COPY %1
...