llvm/test/CodeGen/AMDGPU/vcmpx-exec-war-hazard.mir

# RUN: llc -mtriple=amdgpu10.10 -mattr=+wavefrontsize64 -verify-machineinstrs -run-pass post-RA-hazard-rec -o - %s | FileCheck -check-prefixes=GCN,GFX10 %s
# RUN: llc -mtriple=amdgpu11.00 -mattr=+wavefrontsize64 -verify-machineinstrs -run-pass post-RA-hazard-rec -o - %s | FileCheck -check-prefix=GCN %s

# GCN-LABEL: name: hazard_vcmpx_smov_exec_lo
# GCN:        $sgpr0 = S_MOV_B32 $exec_lo
# GFX10-NEXT: S_WAITCNT_DEPCTR .SaSdst_0
# GCN-NEXT:   V_CMPX_LE_F32_nosdst_e32
---
name:            hazard_vcmpx_smov_exec_lo
body:            |
  bb.0:
    successors: %bb.1
    $vgpr0 = V_MOV_B32_e32 0, implicit $exec
    $sgpr0 = S_MOV_B32 $exec_lo
    V_CMPX_LE_F32_nosdst_e32 0, $vgpr0, implicit-def $exec, implicit $mode, implicit $exec
    S_BRANCH %bb.1

  bb.1:
    S_ENDPGM 0
...

# GCN-LABEL: name: hazard_vcmpx_smov_exec
# GCN:        $sgpr0_sgpr1 = S_MOV_B64 $exec
# GFX10-NEXT: S_WAITCNT_DEPCTR .SaSdst_0
# GCN-NEXT:   V_CMPX_LE_F32_nosdst_e32
---
name:            hazard_vcmpx_smov_exec
body:            |
  bb.0:
    successors: %bb.1
    $vgpr0 = V_MOV_B32_e32 0, implicit $exec
    $sgpr0_sgpr1 = S_MOV_B64 $exec
    V_CMPX_LE_F32_nosdst_e32 0, $vgpr0, implicit-def $exec, implicit $mode, implicit $exec
    S_BRANCH %bb.1

  bb.1:
    S_ENDPGM 0
...

# GCN-LABEL: name: no_hazard_vcmpx_vmov_exec_lo
# GCN:      $vgpr0 = V_MOV_B32_e32 $exec_lo, implicit $exec
# GCN-NEXT: V_CMPX_LE_F32_nosdst_e32
---
name:            no_hazard_vcmpx_vmov_exec_lo
body:            |
  bb.0:
    successors: %bb.1
    $vgpr0 = V_MOV_B32_e32 $exec_lo, implicit $exec
    V_CMPX_LE_F32_nosdst_e32 0, $vgpr0, implicit-def $exec, implicit $mode, implicit $exec
    S_BRANCH %bb.1

  bb.1:
    S_ENDPGM 0
...

# GCN-LABEL: name: no_hazard_vcmpx_valu_impuse_exec
# GCN:      $vgpr0 = V_MOV_B32_e32 0, implicit $exec
# GCN-NEXT: V_CMPX_LE_F32_nosdst_e32
---
name:            no_hazard_vcmpx_valu_impuse_exec
body:            |
  bb.0:
    successors: %bb.1
    $vgpr0 = V_MOV_B32_e32 0, implicit $exec
    V_CMPX_LE_F32_nosdst_e32 0, $vgpr0, implicit-def $exec, implicit $mode, implicit $exec
    S_BRANCH %bb.1

  bb.1:
    S_ENDPGM 0
...

# GCN-LABEL: name: no_hazard_vcmpx_smov_exec_lo_valu_writes_sgpr_imp
# GCN:      $sgpr0 = S_MOV_B32 $exec_lo
# GCN-NEXT: $vgpr0 = V_ADDC_U32_e32 0, $vgpr0, implicit-def $vcc, implicit $vcc, implicit $exec
# GCN-NEXT: V_CMPX_LE_F32_nosdst_e32
---
name:            no_hazard_vcmpx_smov_exec_lo_valu_writes_sgpr_imp
body:            |
  bb.0:
    successors: %bb.1
    $vgpr0 = V_MOV_B32_e32 0, implicit $exec
    $sgpr0 = S_MOV_B32 $exec_lo
    $vgpr0 = V_ADDC_U32_e32 0, $vgpr0, implicit-def $vcc, implicit $vcc, implicit $exec
    V_CMPX_LE_F32_nosdst_e32 0, $vgpr0, implicit-def $exec, implicit $mode, implicit $exec
    S_BRANCH %bb.1

  bb.1:
    S_ENDPGM 0
...

# GCN-LABEL: name: no_hazard_vcmpx_smov_exec_lo_valu_writes_sgpr_exp
# GCN:      $sgpr0 = S_MOV_B32 $exec_lo
# GCN-NEXT: $sgpr0_sgpr1 = V_CMP_EQ_U32_e64 $vgpr0, 0, implicit $exec
# GCN-NEXT: V_CMPX_LE_F32_nosdst_e32
---
name:            no_hazard_vcmpx_smov_exec_lo_valu_writes_sgpr_exp
body:            |
  bb.0:
    successors: %bb.1
    $vgpr0 = V_MOV_B32_e32 0, implicit $exec
    $sgpr0 = S_MOV_B32 $exec_lo
    $sgpr0_sgpr1 = V_CMP_EQ_U32_e64 $vgpr0, 0, implicit $exec
    V_CMPX_LE_F32_nosdst_e32 0, $vgpr0, implicit-def $exec, implicit $mode, implicit $exec
    S_BRANCH %bb.1

  bb.1:
    S_ENDPGM 0
...

# GCN-LABEL: name: no_hazard_vcmpx_smov_exec_lo_depctr_fffe
# GCN:      $sgpr0 = S_MOV_B32 $exec_lo
# GCN-NEXT: S_WAITCNT_DEPCTR .SaSdst_0
# GCN-NEXT: V_CMPX_LE_F32_nosdst_e32
---
name:            no_hazard_vcmpx_smov_exec_lo_depctr_fffe
body:            |
  bb.0:
    successors: %bb.1
    $vgpr0 = V_MOV_B32_e32 0, implicit $exec
    $sgpr0 = S_MOV_B32 $exec_lo
    S_WAITCNT_DEPCTR .SaSdst_0
    V_CMPX_LE_F32_nosdst_e32 0, $vgpr0, implicit-def $exec, implicit $mode, implicit $exec
    S_BRANCH %bb.1

  bb.1:
    S_ENDPGM 0
...

# GCN-LABEL: name: hazard_vcmpx_smov_exec_lo_depctr_ffff
# GCN:        $sgpr0 = S_MOV_B32 $exec_lo
# GCN-NEXT:   S_WAITCNT_DEPCTR .AllOff
# GFX10-NEXT: S_WAITCNT_DEPCTR .SaSdst_0
# GCN-NEXT:   V_CMPX_LE_F32_nosdst_e32
---
name:            hazard_vcmpx_smov_exec_lo_depctr_ffff
body:            |
  bb.0:
    successors: %bb.1
    $vgpr0 = V_MOV_B32_e32 0, implicit $exec
    $sgpr0 = S_MOV_B32 $exec_lo
    S_WAITCNT_DEPCTR .AllOff
    V_CMPX_LE_F32_nosdst_e32 0, $vgpr0, implicit-def $exec, implicit $mode, implicit $exec
    S_BRANCH %bb.1

  bb.1:
    S_ENDPGM 0
...

# GCN-LABEL: name: hazard_vcmpx_smov_exec_lo_depctr_effe
# GCN:        $sgpr0 = S_MOV_B32 $exec_lo
# GCN-NEXT:   S_WAITCNT_DEPCTR .VaVdst_14_SaSdst_0
# GCN-NEXT:   V_CMPX_LE_F32_nosdst_e32
---
name:            hazard_vcmpx_smov_exec_lo_depctr_effe
body:            |
  bb.0:
    successors: %bb.1
    $vgpr0 = V_MOV_B32_e32 0, implicit $exec
    $sgpr0 = S_MOV_B32 $exec_lo
    S_WAITCNT_DEPCTR .VaVdst_14_SaSdst_0
    V_CMPX_LE_F32_nosdst_e32 0, $vgpr0, implicit-def $exec, implicit $mode, implicit $exec
    S_BRANCH %bb.1

  bb.1:
    S_ENDPGM 0
...

# GCN-LABEL: name: no_hazard_vcmpx_debug_use_exec
# GCN:        $vgpr0 = V_MOV_B32_e32 0, implicit $exec
# GCN-NEXT:   DBG_VALUE $exec, $noreg
# GCN-NEXT:   V_CMPX_LE_F32_nosdst_e32
---
name:            no_hazard_vcmpx_debug_use_exec
body:            |
  bb.0:
    successors: %bb.1
    $vgpr0 = V_MOV_B32_e32 0, implicit $exec
    DBG_VALUE $exec, $noreg
    V_CMPX_LE_F32_nosdst_e32 0, $vgpr0, implicit-def $exec, implicit $mode, implicit $exec
    S_BRANCH %bb.1

  bb.1:
    S_ENDPGM 0
...