test/CodeGen/AMDGPU/optimize-negated-cond-exec-masking-wave32.mir

# RUN: llc -march=amdgcn -mcpu=gfx1010 -verify-machineinstrs -run-pass=si-optimize-exec-masking-pre-ra -o - %s | FileCheck -check-prefix=GCN %s

# GCN: name: negated_cond_vop2
# GCN:      %0:sgpr_32 = IMPLICIT_DEF
# GCN-NEXT: $vcc_lo = S_ANDN2_B32 $exec_lo, %0, implicit-def $scc
# GCN-NEXT: S_CBRANCH_VCCNZ %bb.2, implicit $vcc
---
name:            negated_cond_vop2
body:             |
  bb.0:
    %0:sgpr_32 = IMPLICIT_DEF
    %1:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, 1, %0, implicit $exec
    V_CMP_NE_U32_e32 1, %1, implicit-def $vcc, implicit $exec
    $vcc_lo = S_AND_B32 $exec_lo, killed $vcc_lo, implicit-def dead $scc
    S_CBRANCH_VCCNZ %bb.2, implicit killed $vcc
    S_BRANCH %bb.1

  bb.1:
    S_BRANCH %bb.0

  bb.2:
    S_ENDPGM 0
...

# GCN: name: negated_cond_vop3
# GCN:      %0:sgpr_32 = IMPLICIT_DEF
# GCN-NEXT: $vcc_lo = S_ANDN2_B32 $exec_lo, %0, implicit-def $scc
# GCN-NEXT: S_CBRANCH_VCCNZ %bb.2, implicit $vcc
---
name:            negated_cond_vop3
body:             |
  bb.0:
    %0:sgpr_32 = IMPLICIT_DEF
    %1:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, 1, %0, implicit $exec
    %2:sgpr_32 = V_CMP_NE_U32_e64 %1, 1, implicit $exec
    $vcc_lo = S_AND_B32 killed %2, $exec_lo, implicit-def dead $scc
    S_CBRANCH_VCCNZ %bb.2, implicit killed $vcc
    S_BRANCH %bb.1

  bb.1:
    S_BRANCH %bb.0

  bb.2:
    S_ENDPGM 0
...

# GCN: name: negated_cond_vop2_redef_vcc1
# GCN:      %0:sgpr_32 = IMPLICIT_DEF
# GCN-NEXT: %1:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, 1, %0, implicit $exec
# GCN-NEXT: V_CMP_NE_U32_e32 1, %1, implicit-def $vcc, implicit $exec
# GCN-NEXT: $vcc_lo = COPY $sgpr0
# GCN-NEXT: $vcc_lo = S_AND_B32 $exec_lo, $vcc_lo, implicit-def dead $scc
# GCN-NEXT: S_CBRANCH_VCCNZ %bb.2, implicit $vcc
---
name:            negated_cond_vop2_redef_vcc1
body:             |
  bb.0:
    %0:sgpr_32 = IMPLICIT_DEF
    %1:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, 1, %0, implicit $exec
    V_CMP_NE_U32_e32 1, %1, implicit-def $vcc, implicit $exec
    $vcc_lo = COPY $sgpr0
    $vcc_lo = S_AND_B32 $exec_lo, killed $vcc_lo, implicit-def dead $scc
    S_CBRANCH_VCCNZ %bb.2, implicit killed $vcc
    S_BRANCH %bb.1

  bb.1:
    S_BRANCH %bb.0

  bb.2:
    S_ENDPGM 0
...

# GCN: name: negated_cond_vop3_redef_cmp
# GCN:      %0:sgpr_32 = IMPLICIT_DEF
# GCN-NEXT: %1:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, 1, %0, implicit $exec
# GCN-NEXT: %2:sgpr_32 = V_CMP_NE_U32_e64 %1, 1, implicit $exec
# GCN-NEXT: %2:sgpr_32 = COPY $sgpr0
# GCN-NEXT: $vcc_lo = S_AND_B32 %2, $exec_lo, implicit-def dead $scc
# GCN-NEXT: S_CBRANCH_VCCNZ %bb.2, implicit $vcc
---
name:            negated_cond_vop3_redef_cmp
body:             |
  bb.0:
    %0:sgpr_32 = IMPLICIT_DEF
    %1:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, 1, %0, implicit $exec
    %2:sgpr_32 = V_CMP_NE_U32_e64 %1, 1, implicit $exec
    %2 = COPY $sgpr0
    $vcc_lo = S_AND_B32 killed %2, $exec_lo, implicit-def dead $scc
    S_CBRANCH_VCCNZ %bb.2, implicit killed $vcc
    S_BRANCH %bb.1

  bb.1:
    S_BRANCH %bb.0

  bb.2:
    S_ENDPGM 0
...

# GCN: name: negated_cond_undef_vcc
# GCN:      $vcc_lo = S_AND_B32 $exec_lo, undef $vcc_lo, implicit-def dead $scc
# GCN-NEXT: S_CBRANCH_VCCNZ %bb.2, implicit $vcc
---
name:            negated_cond_undef_vcc
body:             |
  bb.0:
    $vcc_lo = S_AND_B32 $exec_lo, undef $vcc_lo, implicit-def dead $scc
    S_CBRANCH_VCCNZ %bb.2, implicit killed $vcc
    S_BRANCH %bb.1

  bb.1:
    S_BRANCH %bb.0

  bb.2:
    S_ENDPGM 0
...

# GCN: name: negated_cond_vop3_imp_vcc
# GCN:      $vcc_lo = IMPLICIT_DEF
# GCN-NEXT: $vcc_lo = S_ANDN2_B32 $exec_lo, $vcc_lo, implicit-def $scc
# GCN-NEXT: S_CBRANCH_VCCNZ %bb.2, implicit $vcc
---
name:            negated_cond_vop3_imp_vcc
body:             |
  bb.0:
    $vcc_lo = IMPLICIT_DEF
    %1:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, 1, $vcc_lo, implicit $exec
    %2:sgpr_32 = V_CMP_NE_U32_e64 %1, 1, implicit $exec
    $vcc_lo = S_AND_B32 killed %2, $exec_lo, implicit-def dead $scc
    S_CBRANCH_VCCNZ %bb.2, implicit killed $vcc
    S_BRANCH %bb.1

  bb.1:
    S_BRANCH %bb.0

  bb.2:
    S_ENDPGM 0
...

# GCN: name: negated_cond_vop2_imp_vcc
# GCN:      $vcc_lo = IMPLICIT_DEF
# GCN-NEXT: $vcc_lo = S_ANDN2_B32 $exec_lo, $vcc_lo, implicit-def $scc
# GCN-NEXT: S_CBRANCH_VCCNZ %bb.2, implicit $vcc
---
name:            negated_cond_vop2_imp_vcc
body:             |
  bb.0:
    $vcc_lo = IMPLICIT_DEF
    %1:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, 1, $vcc_lo, implicit $exec
    V_CMP_NE_U32_e32 1, %1, implicit-def $vcc, implicit $exec
    $vcc_lo = S_AND_B32 killed $vcc_lo, $exec_lo, implicit-def dead $scc
    S_CBRANCH_VCCNZ %bb.2, implicit killed $vcc
    S_BRANCH %bb.1

  bb.1:
    S_BRANCH %bb.0

  bb.2:
    S_ENDPGM 0
...

# GCN: name: negated_cond_vop3_redef_sel
# GCN:      %0:sgpr_32 = IMPLICIT_DEF
# GCN-NEXT: %1:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, 1, %0, implicit $exec
# GCN-NEXT: %1:vgpr_32 = COPY $vgpr0
# GCN-NEXT: %2:sgpr_32 = V_CMP_NE_U32_e64 %1, 1, implicit $exec
# GCN-NEXT: $vcc_lo = S_AND_B32 %2, $exec_lo, implicit-def dead $scc
# GCN-NEXT: S_CBRANCH_VCCNZ %bb.2, implicit $vcc
---
name:            negated_cond_vop3_redef_sel
body:             |
  bb.0:
    %0:sgpr_32 = IMPLICIT_DEF
    %1:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, 1, %0, implicit $exec
    %1:vgpr_32 = COPY $vgpr0
    %2:sgpr_32 = V_CMP_NE_U32_e64 %1, 1, implicit $exec
    $vcc_lo = S_AND_B32 killed %2, $exec_lo, implicit-def dead $scc
    S_CBRANCH_VCCNZ %bb.2, implicit killed $vcc
    S_BRANCH %bb.1

  bb.1:
    S_BRANCH %bb.0

  bb.2:
    S_ENDPGM 0
...

# GCN: name: negated_cond_vop2_used_sel
# GCN:      %0:sgpr_32 = IMPLICIT_DEF
# GCN-NEXT: %1:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, 1, %0, implicit $exec
# GCN-NEXT: $vcc_lo = S_ANDN2_B32 $exec_lo, %0, implicit-def $scc
# GCN-NEXT: S_CBRANCH_VCCNZ %bb.2, implicit $vcc
---
name:            negated_cond_vop2_used_sel
body:             |
  bb.0:
    %0:sgpr_32 = IMPLICIT_DEF
    %1:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, 1, %0, implicit $exec
    V_CMP_NE_U32_e32 1, %1, implicit-def $vcc, implicit $exec
    $vcc_lo = S_AND_B32 $exec_lo, killed $vcc_lo, implicit-def dead $scc
    S_CBRANCH_VCCNZ %bb.2, implicit killed $vcc
    S_BRANCH %bb.1

  bb.1:
    S_BRANCH %bb.0

  bb.2:
    $vgpr0 = COPY %1
    S_ENDPGM 0
...

# GCN: name: negated_cond_vop2_used_vcc
# GCN:      %0:sgpr_32 = IMPLICIT_DEF
# GCN-NEXT: %1:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, 1, %0, implicit $exec
# GCN-NEXT: V_CMP_NE_U32_e32 1, %1, implicit-def $vcc, implicit $exec
# GCN-NEXT: $sgpr0_sgpr1 = COPY $vcc
# GCN-NEXT: $vcc_lo = S_ANDN2_B32 $exec_lo, %0, implicit-def $scc
# GCN-NEXT: S_CBRANCH_VCCNZ %bb.2, implicit $vcc
---
name:            negated_cond_vop2_used_vcc
body:             |
  bb.0:
    %0:sgpr_32 = IMPLICIT_DEF
    %1:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, 1, %0, implicit $exec
    V_CMP_NE_U32_e32 1, %1, implicit-def $vcc, implicit $exec
    $sgpr0_sgpr1 = COPY $vcc
    $vcc_lo = S_AND_B32 $exec_lo, killed $vcc_lo, implicit-def dead $scc
    S_CBRANCH_VCCNZ %bb.2, implicit killed $vcc
    S_BRANCH %bb.1

  bb.1:
    S_BRANCH %bb.0

  bb.2:
    S_ENDPGM 0
...

# GCN: name: negated_cond_vop3_sel_wrong_subreg1
# GCN:      %0:sgpr_32 = IMPLICIT_DEF
# GCN-NEXT: %1.sub1:vreg_64 = IMPLICIT_DEF
# GCN-NEXT: %1.sub0:vreg_64 = V_CNDMASK_B32_e64 0, 0, 0, 1, %0, implicit $exec
# GCN-NEXT: %2:sgpr_32 = V_CMP_NE_U32_e64 %1.sub1, 1, implicit $exec
# GCN-NEXT: $vcc_lo = S_AND_B32 %2, $exec_lo, implicit-def dead $scc
# GCN-NEXT: S_CBRANCH_VCCNZ %bb.2, implicit $vcc
---
name:            negated_cond_vop3_sel_wrong_subreg1
body:             |
  bb.0:
    %0:sgpr_32 = IMPLICIT_DEF
    %1.sub1 = IMPLICIT_DEF
    %1.sub0:vreg_64 = V_CNDMASK_B32_e64 0, 0, 0, 1, %0, implicit $exec
    %2:sgpr_32 = V_CMP_NE_U32_e64 %1.sub1, 1, implicit $exec
    $vcc_lo = S_AND_B32 killed %2, $exec_lo, implicit-def dead $scc
    S_CBRANCH_VCCNZ %bb.2, implicit killed $vcc
    S_BRANCH %bb.1

  bb.1:
    S_BRANCH %bb.0

  bb.2:
    S_ENDPGM 0
...

# GCN: name: negated_cond_vop3_sel_wrong_subreg2
# GCN:      %0:sgpr_32 = IMPLICIT_DEF
# GCN-NEXT: %1.sub0:vreg_64 = V_CNDMASK_B32_e64 0, 0, 0, 1, %0, implicit $exec
# GCN-NEXT: %1.sub1:vreg_64 = IMPLICIT_DEF
# GCN-NEXT: %2:sgpr_32 = V_CMP_NE_U32_e64 %1.sub1, 1, implicit $exec
# GCN-NEXT: $vcc_lo = S_AND_B32 %2, $exec_lo, implicit-def dead $scc
# GCN-NEXT: S_CBRANCH_VCCNZ %bb.2, implicit $vcc
---
name:            negated_cond_vop3_sel_wrong_subreg2
body:             |
  bb.0:
    %0:sgpr_32 = IMPLICIT_DEF
    %1.sub0:vreg_64 = V_CNDMASK_B32_e64 0, 0, 0, 1, %0, implicit $exec
    %1.sub1 = IMPLICIT_DEF
    %2:sgpr_32 = V_CMP_NE_U32_e64 %1.sub1, 1, implicit $exec
    $vcc_lo = S_AND_B32 killed %2, $exec_lo, implicit-def dead $scc
    S_CBRANCH_VCCNZ %bb.2, implicit killed $vcc
    S_BRANCH %bb.1

  bb.1:
    S_BRANCH %bb.0

  bb.2:
    S_ENDPGM 0
...

# GCN: name: negated_cond_vop3_sel_right_subreg1
# GCN:      %0:sgpr_32 = IMPLICIT_DEF
# GCN-NEXT: %1.sub1:vreg_64 = IMPLICIT_DEF
# GCN-NEXT: $vcc_lo = S_ANDN2_B32 $exec_lo, %0, implicit-def $scc
# GCN-NEXT: S_CBRANCH_VCCNZ %bb.2, implicit $vcc
---
name:            negated_cond_vop3_sel_right_subreg1
body:             |
  bb.0:
    %0:sgpr_32 = IMPLICIT_DEF
    %1.sub1 = IMPLICIT_DEF
    %1.sub0:vreg_64 = V_CNDMASK_B32_e64 0, 0, 0, 1, %0, implicit $exec
    %2:sgpr_32 = V_CMP_NE_U32_e64 %1.sub0, 1, implicit $exec
    $vcc_lo = S_AND_B32 killed %2, $exec_lo, implicit-def dead $scc
    S_CBRANCH_VCCNZ %bb.2, implicit killed $vcc
    S_BRANCH %bb.1

  bb.1:
    S_BRANCH %bb.0

  bb.2:
    S_ENDPGM 0
...

# GCN: name: negated_cond_vop3_sel_right_subreg2
# GCN:      %0:sgpr_32 = IMPLICIT_DEF
# GCN-NEXT: %1.sub1:vreg_64 = IMPLICIT_DEF
# GCN-NEXT: $vcc_lo = S_ANDN2_B32 $exec_lo, %0, implicit-def $scc
# GCN-NEXT: S_CBRANCH_VCCNZ %bb.2, implicit $vcc
---
name:            negated_cond_vop3_sel_right_subreg2
body:             |
  bb.0:
    %0:sgpr_32 = IMPLICIT_DEF
    %1.sub0:vreg_64 = V_CNDMASK_B32_e64 0, 0, 0, 1, %0, implicit $exec
    %1.sub1 = IMPLICIT_DEF
    %2:sgpr_32 = V_CMP_NE_U32_e64 %1.sub0, 1, implicit $exec
    $vcc_lo = S_AND_B32 killed %2, $exec_lo, implicit-def dead $scc
    S_CBRANCH_VCCNZ %bb.2, implicit killed $vcc
    S_BRANCH %bb.1

  bb.1:
    S_BRANCH %bb.0

  bb.2:
    S_ENDPGM 0
...

# GCN: name: negated_cond_vop3_sel_subreg_overlap
# GCN:      %0:sgpr_32 = IMPLICIT_DEF
# GCN-NEXT: %1.sub2:vreg_128 = V_CNDMASK_B32_e64 0, 0, 0, 1, %0, implicit $exec
# GCN-NEXT: %1.sub2_sub3:vreg_128 = IMPLICIT_DEF
# GCN-NEXT: %2:sgpr_32 = V_CMP_NE_U32_e64 %1.sub2, 1, implicit $exec
# GCN-NEXT: $vcc_lo = S_AND_B32 %2, $exec_lo, implicit-def dead $scc
# GCN-NEXT: S_CBRANCH_VCCNZ %bb.2, implicit $vcc
---
name:            negated_cond_vop3_sel_subreg_overlap
body:             |
  bb.0:
    %0:sgpr_32 = IMPLICIT_DEF
    %1.sub2:vreg_128 = V_CNDMASK_B32_e64 0, 0, 0, 1, %0, implicit $exec
    %1.sub2_sub3 = IMPLICIT_DEF
    %2:sgpr_32 = V_CMP_NE_U32_e64 %1.sub2, 1, implicit $exec
    $vcc_lo = S_AND_B32 killed %2, $exec_lo, implicit-def dead $scc
    S_CBRANCH_VCCNZ %bb.2, implicit killed $vcc
    S_BRANCH %bb.1

  bb.1:
    S_BRANCH %bb.0

  bb.2:
    S_ENDPGM 0
...