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inst-select-fadd.s32.mir 8.14 KB
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -march=amdgcn -mcpu=tahiti -run-pass=instruction-select -verify-machineinstrs -o - %s | FileCheck -check-prefix=GFX6 %s

---

name:            fadd_s32_vvv
legalized:       true
regBankSelected: true

body: |
  bb.0:
    liveins: $vgpr0, $vgpr1
    ; GFX6-LABEL: name: fadd_s32_vvv
    ; GFX6: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
    ; GFX6: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
    ; GFX6: %2:vgpr_32 = nofpexcept V_ADD_F32_e64 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $mode, implicit $exec
    ; GFX6: S_ENDPGM 0, implicit %2
    %0:vgpr(s32) = COPY $vgpr0
    %1:vgpr(s32) = COPY $vgpr1
    %2:vgpr(s32) = G_FADD %0, %1
    S_ENDPGM 0, implicit %2

...

---

name:            fadd_s32_vsv
legalized:       true
regBankSelected: true

body: |
  bb.0:
    liveins: $vgpr0, $sgpr0
    ; GFX6-LABEL: name: fadd_s32_vsv
    ; GFX6: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0
    ; GFX6: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr0
    ; GFX6: %2:vgpr_32 = nofpexcept V_ADD_F32_e64 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $mode, implicit $exec
    ; GFX6: S_ENDPGM 0, implicit %2
    %0:sgpr(s32) = COPY $sgpr0
    %1:vgpr(s32) = COPY $vgpr0
    %2:vgpr(s32) = G_FADD %0, %1
    S_ENDPGM 0, implicit %2

...

---

name:            fadd_s32_vvs
legalized:       true
regBankSelected: true

body: |
  bb.0:
    liveins: $vgpr0, $sgpr0
    ; GFX6-LABEL: name: fadd_s32_vvs
    ; GFX6: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
    ; GFX6: [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr0
    ; GFX6: %2:vgpr_32 = nofpexcept V_ADD_F32_e64 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $mode, implicit $exec
    ; GFX6: S_ENDPGM 0, implicit %2
    %0:vgpr(s32) = COPY $vgpr0
    %1:sgpr(s32) = COPY $sgpr0
    %2:vgpr(s32) = G_FADD %0, %1
    S_ENDPGM 0, implicit %2

...

---

name:            fadd_s32_vvv_fabs_lhs
legalized:       true
regBankSelected: true

body: |
  bb.0:
    liveins: $vgpr0, $vgpr1
    ; GFX6-LABEL: name: fadd_s32_vvv_fabs_lhs
    ; GFX6: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
    ; GFX6: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
    ; GFX6: %3:vgpr_32 = nofpexcept V_ADD_F32_e64 2, [[COPY]], 0, [[COPY1]], 0, 0, implicit $mode, implicit $exec
    ; GFX6: S_ENDPGM 0, implicit %3
    %0:vgpr(s32) = COPY $vgpr0
    %1:vgpr(s32) = COPY $vgpr1
    %2:vgpr(s32) = G_FABS %0
    %3:vgpr(s32) = G_FADD %2, %1
    S_ENDPGM 0, implicit %3

...

---

name:            fadd_s32_vvv_fabs_rhs
legalized:       true
regBankSelected: true

body: |
  bb.0:
    liveins: $vgpr0, $vgpr1
    ; GFX6-LABEL: name: fadd_s32_vvv_fabs_rhs
    ; GFX6: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr1
    ; GFX6: %3:vgpr_32 = nofpexcept V_ADD_F32_e64 0, [[COPY]], 2, [[COPY]], 0, 0, implicit $mode, implicit $exec
    ; GFX6: S_ENDPGM 0, implicit %3
    %0:vgpr(s32) = COPY $vgpr0
    %1:vgpr(s32) = COPY $vgpr1
    %2:vgpr(s32) = G_FABS %1
    %3:vgpr(s32) = G_FADD %1, %2
    S_ENDPGM 0, implicit %3

...

---

name:            fadd_s32_vvv_fneg_fabs_lhs
legalized:       true
regBankSelected: true

body: |
  bb.0:
    liveins: $vgpr0, $vgpr1
    ; GFX6-LABEL: name: fadd_s32_vvv_fneg_fabs_lhs
    ; GFX6: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
    ; GFX6: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
    ; GFX6: %4:vgpr_32 = nofpexcept V_ADD_F32_e64 3, [[COPY]], 0, [[COPY1]], 0, 0, implicit $mode, implicit $exec
    ; GFX6: S_ENDPGM 0, implicit %4
    %0:vgpr(s32) = COPY $vgpr0
    %1:vgpr(s32) = COPY $vgpr1
    %2:vgpr(s32) = G_FABS %0
    %3:vgpr(s32) = G_FNEG %2
    %4:vgpr(s32) = G_FADD %3, %1
    S_ENDPGM 0, implicit %4

...

---

name:            fadd_s32_vvv_fneg_fabs_rhs
legalized:       true
regBankSelected: true

body: |
  bb.0:
    liveins: $vgpr0, $vgpr1
    ; GFX6-LABEL: name: fadd_s32_vvv_fneg_fabs_rhs
    ; GFX6: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr1
    ; GFX6: %4:vgpr_32 = nofpexcept V_ADD_F32_e64 0, [[COPY]], 3, [[COPY]], 0, 0, implicit $mode, implicit $exec
    ; GFX6: S_ENDPGM 0, implicit %4
    %0:vgpr(s32) = COPY $vgpr0
    %1:vgpr(s32) = COPY $vgpr1
    %2:vgpr(s32) = G_FABS %1
    %3:vgpr(s32) = G_FNEG %2
    %4:vgpr(s32) = G_FADD %1, %3
    S_ENDPGM 0, implicit %4

...

# Need to look through reg bank copy to find source modifiers
---

name:            fadd_s32_fneg_copy_sgpr
legalized:       true
regBankSelected: true

body: |
  bb.0:
    liveins: $vgpr0, $sgpr0
    ; GFX6-LABEL: name: fadd_s32_fneg_copy_sgpr
    ; GFX6: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
    ; GFX6: [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr0
    ; GFX6: [[COPY2:%[0-9]+]]:vgpr_32 = COPY [[COPY1]]
    ; GFX6: %4:vgpr_32 = nofpexcept V_ADD_F32_e64 0, [[COPY]], 1, [[COPY2]], 0, 0, implicit $mode, implicit $exec
    ; GFX6: S_ENDPGM 0, implicit %4
    %0:vgpr(s32) = COPY $vgpr0
    %1:sgpr(s32) = COPY $sgpr0
    %2:sgpr(s32) = G_FNEG %1
    %3:vgpr(s32) = COPY %2
    %4:vgpr(s32) = G_FADD %0, %3
    S_ENDPGM 0, implicit %4

...

# Need to look through copy in between fneg and fabs

---

name:            fadd_s32_copy_fneg_copy_fabs
legalized:       true
regBankSelected: true

body: |
  bb.0:
    liveins: $vgpr0, $sgpr0
    ; GFX6-LABEL: name: fadd_s32_copy_fneg_copy_fabs
    ; GFX6: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
    ; GFX6: [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr0
    ; GFX6: %6:vgpr_32 = nofpexcept V_ADD_F32_e64 0, [[COPY]], 3, [[COPY1]], 0, 0, implicit $mode, implicit $exec
    ; GFX6: S_ENDPGM 0, implicit %6
    %0:vgpr(s32) = COPY $vgpr0
    %1:sgpr(s32) = COPY $sgpr0
    %2:sgpr(s32) = G_FABS %1
    %3:sgpr(s32) = COPY %2
    %4:sgpr(s32) = G_FNEG %3
    %5:sgpr(s32) = COPY %4
    %6:vgpr(s32) = G_FADD %0, %5
    S_ENDPGM 0, implicit %6

...

# The source modifier lookup searches through SGPR->VGPR copies. Make
# sure we don't violate the constant bus restriction when we look at
# the source.

---

name:            fadd_s32_copy_fabs_sgpr_copy_fabs_sgpr
legalized:       true
regBankSelected: true

body: |
  bb.0:
    liveins: $sgpr0, $sgpr1
    ; GFX6-LABEL: name: fadd_s32_copy_fabs_sgpr_copy_fabs_sgpr
    ; GFX6: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0
    ; GFX6: [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr1
    ; GFX6: [[COPY2:%[0-9]+]]:vgpr_32 = COPY [[COPY]]
    ; GFX6: [[COPY3:%[0-9]+]]:vgpr_32 = COPY [[COPY1]]
    ; GFX6: %6:vgpr_32 = nofpexcept V_ADD_F32_e64 2, [[COPY2]], 2, [[COPY3]], 0, 0, implicit $mode, implicit $exec
    ; GFX6: S_ENDPGM 0, implicit %6
    %0:sgpr(s32) = COPY $sgpr0
    %1:sgpr(s32) = COPY $sgpr1
    %2:sgpr(s32) = G_FABS %0
    %3:sgpr(s32) = G_FABS %1
    %4:vgpr(s32) = COPY %2
    %5:vgpr(s32) = COPY %3
    %6:vgpr(s32) = G_FADD %4, %5
    S_ENDPGM 0, implicit %6

...

---

name:            fadd_s32_copy_fneg_sgpr_copy_fneg_sgpr
legalized:       true
regBankSelected: true

body: |
  bb.0:
    liveins: $sgpr0, $sgpr1
    ; GFX6-LABEL: name: fadd_s32_copy_fneg_sgpr_copy_fneg_sgpr
    ; GFX6: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0
    ; GFX6: [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr1
    ; GFX6: [[COPY2:%[0-9]+]]:vgpr_32 = COPY [[COPY]]
    ; GFX6: [[COPY3:%[0-9]+]]:vgpr_32 = COPY [[COPY1]]
    ; GFX6: %6:vgpr_32 = nofpexcept V_ADD_F32_e64 1, [[COPY2]], 1, [[COPY3]], 0, 0, implicit $mode, implicit $exec
    ; GFX6: S_ENDPGM 0, implicit %6
    %0:sgpr(s32) = COPY $sgpr0
    %1:sgpr(s32) = COPY $sgpr1
    %2:sgpr(s32) = G_FNEG %0
    %3:sgpr(s32) = G_FNEG %1
    %4:vgpr(s32) = COPY %2
    %5:vgpr(s32) = COPY %3
    %6:vgpr(s32) = G_FADD %4, %5
    S_ENDPGM 0, implicit %6

...

---

name:            fadd_s32_copy_fneg_fabs_sgpr_copy_fneg_fabs_sgpr
legalized:       true
regBankSelected: true

body: |
  bb.0:
    liveins: $sgpr0, $sgpr1
    ; GFX6-LABEL: name: fadd_s32_copy_fneg_fabs_sgpr_copy_fneg_fabs_sgpr
    ; GFX6: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0
    ; GFX6: [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr1
    ; GFX6: [[COPY2:%[0-9]+]]:vgpr_32 = COPY [[COPY]]
    ; GFX6: [[COPY3:%[0-9]+]]:vgpr_32 = COPY [[COPY1]]
    ; GFX6: %8:vgpr_32 = nofpexcept V_ADD_F32_e64 3, [[COPY2]], 3, [[COPY3]], 0, 0, implicit $mode, implicit $exec
    ; GFX6: S_ENDPGM 0, implicit %8
    %0:sgpr(s32) = COPY $sgpr0
    %1:sgpr(s32) = COPY $sgpr1
    %2:sgpr(s32) = G_FABS %0
    %3:sgpr(s32) = G_FABS %1
    %4:sgpr(s32) = G_FNEG %2
    %5:sgpr(s32) = G_FNEG %3
    %6:vgpr(s32) = COPY %4
    %7:vgpr(s32) = COPY %5
    %8:vgpr(s32) = G_FADD %6, %7
    S_ENDPGM 0, implicit %8

...