insert-skip-from-vcc.mir 8 KB
# RUN: llc -march=amdgcn -mcpu=fiji -run-pass si-insert-skips -verify-machineinstrs -o - %s | FileCheck -check-prefix=GCN %s
# RUN: llc -march=amdgcn -mcpu=gfx1010 -run-pass si-insert-skips -verify-machineinstrs -o - %s | FileCheck -check-prefix=W32 %s

---
# GCN-LABEL: name: and_execz_mov_vccz
# GCN-NOT: S_MOV_
# GCN-NOT: S_AND_
# GCN: S_CBRANCH_EXECZ %bb.1, implicit $exec
name:            and_execz_mov_vccz
body:             |
  bb.0:
    S_NOP 0

  bb.1:
    S_NOP 0

  bb.2:
    $sgpr0_sgpr1 = S_MOV_B64 -1
    $vcc = S_AND_B64 $exec, killed $sgpr0_sgpr1, implicit-def dead $scc
    S_CBRANCH_VCCZ %bb.1, implicit killed $vcc
    S_ENDPGM 0
...
---
# GCN-LABEL: name: and_execz_imm_vccz
# GCN-NOT: S_AND_
# GCN: S_CBRANCH_EXECZ %bb.1, implicit $exec
name:            and_execz_imm_vccz
body:             |
  bb.0:
    S_NOP 0

  bb.1:
    S_NOP 0

  bb.2:
    $vcc = S_AND_B64 $exec, -1, implicit-def dead $scc
    S_CBRANCH_VCCZ %bb.1, implicit killed $vcc
    S_ENDPGM 0
...
---
# GCN-LABEL: name: and_execnz_imm_vccnz
# GCN-NOT: S_AND_
# GCN: S_CBRANCH_EXECNZ %bb.1, implicit $exec
name:            and_execnz_imm_vccnz
body:             |
  bb.0:
    S_NOP 0

  bb.1:
    S_NOP 0

  bb.2:
    $vcc = S_AND_B64 $exec, -1, implicit-def dead $scc
    S_CBRANCH_VCCNZ %bb.1, implicit killed $vcc
    S_ENDPGM 0
...
---
# GCN-LABEL: name: and_execz_imm_vccz_live_scc
# GCN: $vcc = S_AND_B64 $exec, -1, implicit-def $scc
# GCN: S_CBRANCH_EXECZ %bb.1, implicit $exec
name:            and_execz_imm_vccz_live_scc
body:             |
  bb.0:
    S_NOP 0

  bb.1:
    S_NOP 0

  bb.2:
    $vcc = S_AND_B64 $exec, -1, implicit-def $scc
    S_CBRANCH_VCCZ %bb.1, implicit killed $vcc
    S_ENDPGM 0
...
---
# GCN-LABEL: name: and_execz_mov_vccz_live_scc
# GCN-NOT: S_MOV_
# GCN: $vcc = S_AND_B64 $exec, -1, implicit-def $scc
# GCN: S_CBRANCH_EXECZ %bb.1, implicit $exec
name:            and_execz_mov_vccz_live_scc
body:             |
  bb.0:
    S_NOP 0

  bb.1:
    S_NOP 0

  bb.2:
    $sgpr0_sgpr1 = S_MOV_B64 -1
    $vcc = S_AND_B64 $exec, killed $sgpr0_sgpr1, implicit-def $scc
    S_CBRANCH_VCCZ %bb.1, implicit killed $vcc
    S_ENDPGM 0
...
---
# GCN-LABEL: name: and_execz_mov_vccz_live_sreg
# GCN:      $sgpr0_sgpr1 = S_MOV_B64 -1
# GCN-NEXT: S_CBRANCH_EXECZ %bb.1, implicit $exec
name:            and_execz_mov_vccz_live_sreg
body:             |
  bb.0:
    S_NOP 0

  bb.1:
    S_NOP 0

  bb.2:
    $sgpr0_sgpr1 = S_MOV_B64 -1
    $vcc = S_AND_B64 $exec, $sgpr0_sgpr1, implicit-def dead $scc
    S_CBRANCH_VCCZ %bb.1, implicit killed $vcc
    S_ENDPGM 0
...
---
# GCN-LABEL: name: and_execz_mov_vccz_live_sreg_commute
# GCN:      $sgpr0_sgpr1 = S_MOV_B64 -1
# GCN-NEXT: S_CBRANCH_EXECZ %bb.1, implicit $exec
name:            and_execz_mov_vccz_live_sreg_commute
body:             |
  bb.0:
    S_NOP 0

  bb.1:
    S_NOP 0

  bb.2:
    $sgpr0_sgpr1 = S_MOV_B64 -1
    $vcc = S_AND_B64 $sgpr0_sgpr1, $exec, implicit-def dead $scc
    S_CBRANCH_VCCZ %bb.1, implicit killed $vcc
    S_ENDPGM 0
...
---
# GCN-LABEL: name: and_execz_mov_vccz_live_scc_commute
# GCN-NOT: S_MOV_
# GCN: $vcc = S_AND_B64 $exec, -1, implicit-def $scc
# GCN: S_CBRANCH_EXECZ %bb.1, implicit $exec
name:            and_execz_mov_vccz_live_scc_commute
body:             |
  bb.0:
    S_NOP 0

  bb.1:
    S_NOP 0

  bb.2:
    $sgpr0_sgpr1 = S_MOV_B64 -1
    $vcc = S_AND_B64 killed $sgpr0_sgpr1, $exec, implicit-def $scc
    S_CBRANCH_VCCZ %bb.1, implicit killed $vcc
    S_ENDPGM 0
...
---
# GCN-LABEL: name: and_execz_mov_vccz_commute
# GCN-NOT: S_MOV_
# GCN-NOT: S_AND_
# GCN: S_CBRANCH_EXECZ %bb.1, implicit $exec
name:            and_execz_mov_vccz_commute
body:             |
  bb.0:
    S_NOP 0

  bb.1:
    S_NOP 0

  bb.2:
    $sgpr0_sgpr1 = S_MOV_B64 -1
    $vcc = S_AND_B64 killed $sgpr0_sgpr1, $exec, implicit-def dead $scc
    S_CBRANCH_VCCZ %bb.1, implicit killed $vcc
    S_ENDPGM 0
...
---
# GCN-LABEL: name: and_execz_mov_exec_vccz
# GCN:      $exec = S_MOV_B64 -1
# GCN-NEXT: S_ENDPGM 0
name:            and_execz_mov_exec_vccz
body:             |
  bb.0:
    S_NOP 0

  bb.1:
    S_NOP 0

  bb.2:
    $exec = S_MOV_B64 -1
    $vcc = S_AND_B64 $exec, $exec, implicit-def dead $scc
    S_CBRANCH_VCCZ %bb.1, implicit killed $vcc
    S_ENDPGM 0
...
---
# GCN-LABEL: name: and_execz_mov_exec_vccnz
# GCN:      $exec = S_MOV_B64 -1
# GCN-NEXT: S_BRANCH %bb.1{{$}}
name:            and_execz_mov_exec_vccnz
body:             |
  bb.0:
    S_NOP 0

  bb.1:
    S_NOP 0

  bb.2:
    $exec = S_MOV_B64 -1
    $vcc = S_AND_B64 $exec, $exec, implicit-def dead $scc
    S_CBRANCH_VCCNZ %bb.1, implicit killed $vcc
    S_ENDPGM 0
...
---
# GCN-LABEL: name: and_execz_mov_vccz_reads_sreg_early
# GCN:      $sgpr0_sgpr1 = S_MOV_B64 -1
# GCN-NEXT: $sgpr2 = S_MOV_B32 $sgpr1
# GCN-NEXT: S_CBRANCH_EXECZ %bb.1, implicit $exec
name:            and_execz_mov_vccz_reads_sreg_early
body:             |
  bb.0:
    S_NOP 0

  bb.1:
    S_NOP 0

  bb.2:
    $sgpr0_sgpr1 = S_MOV_B64 -1
    $sgpr2 = S_MOV_B32 $sgpr1
    $vcc = S_AND_B64 $exec, killed $sgpr0_sgpr1, implicit-def dead $scc
    S_CBRANCH_VCCZ %bb.1, implicit killed $vcc
    S_ENDPGM 0
...
---
# GCN-LABEL: name: and_execz_mov_vccz_reads_sreg_late
# GCN:      $sgpr0_sgpr1 = S_MOV_B64 -1
# GCN-NEXT: $sgpr2 = S_MOV_B32 $sgpr1
# GCN-NEXT: S_CBRANCH_EXECZ %bb.1, implicit $exec
name:            and_execz_mov_vccz_reads_sreg_late
body:             |
  bb.0:
    S_NOP 0

  bb.1:
    S_NOP 0

  bb.2:
    $sgpr0_sgpr1 = S_MOV_B64 -1
    $vcc = S_AND_B64 $exec, $sgpr0_sgpr1, implicit-def dead $scc
    $sgpr2 = S_MOV_B32 $sgpr1
    S_CBRANCH_VCCZ %bb.1, implicit killed $vcc
    S_ENDPGM 0
...
# GCN-LABEL: name: and_execz_mov_vccz_reads_writes_sreg_early
# GCN:      $sgpr0_sgpr1 = S_MOV_B64 -1
# GCN-NEXT: $sgpr1 = S_MOV_B32 $sgpr0
# GCN-NEXT: $vcc = S_AND_B64 $exec, killed $sgpr0_sgpr1, implicit-def dead $scc
# GCN-NEXT: S_CBRANCH_VCCZ %bb.1, implicit killed $vcc
name:            and_execz_mov_vccz_reads_writes_sreg_early
body:             |
  bb.0:
    S_NOP 0

  bb.1:
    S_NOP 0

  bb.2:
    $sgpr0_sgpr1 = S_MOV_B64 -1
    $sgpr1 = S_MOV_B32 $sgpr0
    $vcc = S_AND_B64 $exec, killed $sgpr0_sgpr1, implicit-def dead $scc
    S_CBRANCH_VCCZ %bb.1, implicit killed $vcc
    S_ENDPGM 0
...
---
# GCN-LABEL: name: and_execz_mov_vccz_reads_cond
# GCN:      $vcc = S_AND_B64 $exec, -1, implicit-def dead $scc
# GCN-NEXT: $sgpr2 = S_MOV_B32 $vcc_lo
# GCN-NEXT: S_CBRANCH_EXECZ %bb.1, implicit $exec
name:            and_execz_mov_vccz_reads_cond
body:             |
  bb.0:
    S_NOP 0

  bb.1:
    S_NOP 0

  bb.2:
    $sgpr0_sgpr1 = S_MOV_B64 -1
    $vcc = S_AND_B64 $exec, killed $sgpr0_sgpr1, implicit-def dead $scc
    $sgpr2 = S_MOV_B32 $vcc_lo
    S_CBRANCH_VCCZ %bb.1, implicit killed $vcc
    S_ENDPGM 0
...
---
# GCN-LABEL: name: and_execz_mov_vccz_modifies_sreg
# GCN:      $sgpr0_sgpr1 = S_MOV_B64 -1
# GCN-NEXT: $sgpr0 = S_MOV_B32 0
# GCN-NEXT: $vcc = S_AND_B64 $exec, killed $sgpr0_sgpr1, implicit-def dead $scc
# GCN-NEXT: S_CBRANCH_VCCZ %bb.1, implicit killed $vcc
name:            and_execz_mov_vccz_modifies_sreg
body:             |
  bb.0:
    S_NOP 0

  bb.1:
    S_NOP 0

  bb.2:
    $sgpr0_sgpr1 = S_MOV_B64 -1
    $sgpr0 = S_MOV_B32 0
    $vcc = S_AND_B64 $exec, killed $sgpr0_sgpr1, implicit-def dead $scc
    S_CBRANCH_VCCZ %bb.1, implicit killed $vcc
    S_ENDPGM 0
...
---
# GCN-LABEL: name: and_execz_imm_vccz_liveout_scc
# GCN:      $vcc = S_AND_B64 $exec, -1, implicit-def $scc
# GCN-NEXT: S_CBRANCH_EXECZ %bb.1, implicit $exec
# GCN-NEXT  S_ENDPGM 0, implicit $scc
name:            and_execz_imm_vccz_liveout_scc
body:             |
  bb.0:
    S_NOP 0

  bb.1:
    S_NOP 0

  bb.2:
    $vcc = S_AND_B64 $exec, -1, implicit-def $scc
    S_CBRANCH_VCCZ %bb.1, implicit killed $vcc
    S_ENDPGM 0, implicit $scc
...
---
# W32-LABEL: name: and_execz_mov_vccz_w32
# W32-NOT: S_MOV_
# W32-NOT: S_AND_
# W32: S_CBRANCH_EXECZ %bb.1, implicit $exec
name:            and_execz_mov_vccz_w32
body:             |
  bb.0:
    S_NOP 0

  bb.1:
    S_NOP 0

  bb.2:
    $sgpr0 = S_MOV_B32 -1
    $vcc_lo = S_AND_B32 $exec_lo, killed $sgpr0, implicit-def dead $scc
    S_CBRANCH_VCCZ %bb.1, implicit killed $vcc
    S_ENDPGM 0
...