inst-select-amdgcn.ldexp.s16.mir 2.78 KB
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -march=amdgcn -mcpu=fiji -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck -check-prefix=GCN %s
# RUN: llc -march=amdgcn -mcpu=tahiti -run-pass=instruction-select -verify-machineinstrs -global-isel-abort=2 -pass-remarks-missed='gisel*'  %s -o /dev/null 2>&1 | FileCheck -check-prefix=SI-ERR %s

# SI-ERR: remark: <unknown>:0:0: cannot select: %3:vgpr(s16) = G_INTRINSIC intrinsic(@llvm.amdgcn.ldexp), %2:sgpr(s16), %1:vgpr(s32) (in function: ldexp_s16_vsv)
# SI-ERR-NEXT: remark: <unknown>:0:0: cannot select: %3:vgpr(s16) = G_INTRINSIC intrinsic(@llvm.amdgcn.ldexp), %2:vgpr(s16), %1:sgpr(s32) (in function: ldexp_s16_vvs)
# SI-ERR-NEXT: remark: <unknown>:0:0: cannot select: %3:vgpr(s16) = G_INTRINSIC intrinsic(@llvm.amdgcn.ldexp), %2:vgpr(s16), %1:vgpr(s32) (in function: ldexp_s16_vvv)

---
name: ldexp_s16_vsv
legalized: true
regBankSelected: true
tracksRegLiveness: true

body: |
  bb.0:
    liveins: $sgpr0, $vgpr0
    ; GCN-LABEL: name: ldexp_s16_vsv
    ; GCN: liveins: $sgpr0, $vgpr0
    ; GCN: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0
    ; GCN: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr0
    ; GCN: %3:vgpr_32 = nofpexcept V_LDEXP_F16_e64 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $mode, implicit $exec
    ; GCN: S_ENDPGM 0, implicit %3
    %0:sgpr(s32) = COPY $sgpr0
    %1:vgpr(s32) = COPY $vgpr0
    %2:sgpr(s16) = G_TRUNC %0
    %3:vgpr(s16) = G_INTRINSIC intrinsic(@llvm.amdgcn.ldexp), %2, %1
    S_ENDPGM 0, implicit %3
...

---
name: ldexp_s16_vvs
legalized: true
regBankSelected: true
tracksRegLiveness: true

body: |
  bb.0:
    liveins: $sgpr0, $vgpr0
    ; GCN-LABEL: name: ldexp_s16_vvs
    ; GCN: liveins: $sgpr0, $vgpr0
    ; GCN: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
    ; GCN: [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr0
    ; GCN: %3:vgpr_32 = nofpexcept V_LDEXP_F16_e64 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $mode, implicit $exec
    ; GCN: S_ENDPGM 0, implicit %3
    %0:vgpr(s32) = COPY $vgpr0
    %1:sgpr(s32) = COPY $sgpr0
    %2:vgpr(s16) = G_TRUNC %0
    %3:vgpr(s16) = G_INTRINSIC intrinsic(@llvm.amdgcn.ldexp), %2, %1
    S_ENDPGM 0, implicit %3
...

---
name: ldexp_s16_vvv
legalized: true
regBankSelected: true
tracksRegLiveness: true

body: |
  bb.0:
    liveins: $vgpr0, $vgpr1
    ; GCN-LABEL: name: ldexp_s16_vvv
    ; GCN: liveins: $vgpr0, $vgpr1
    ; GCN: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
    ; GCN: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
    ; GCN: %3:vgpr_32 = nofpexcept V_LDEXP_F16_e64 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $mode, implicit $exec
    ; GCN: S_ENDPGM 0, implicit %3
    %0:vgpr(s32) = COPY $vgpr0
    %1:vgpr(s32) = COPY $vgpr1
    %2:vgpr(s16) = G_TRUNC %0
    %3:vgpr(s16) = G_INTRINSIC intrinsic(@llvm.amdgcn.ldexp), %2, %1
    S_ENDPGM 0, implicit %3
...