llvm-project/llvm/test/CodeGen/AMDGPU/optimize-negated-cond-exec-...

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# RUN: llc -march=amdgcn -verify-machineinstrs -run-pass=si-optimize-exec-masking-pre-ra -o - %s | FileCheck -check-prefix=GCN %s
# GCN: name: negated_cond_vop2
# GCN: %0:sreg_64_xexec = IMPLICIT_DEF
# GCN-NEXT: $vcc = S_ANDN2_B64 $exec, %0, implicit-def $scc
# GCN-NEXT: S_CBRANCH_VCCNZ %bb.2, implicit $vcc
---
name: negated_cond_vop2
body: |
bb.0:
%0:sreg_64_xexec = 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 = S_AND_B64 $exec, killed $vcc, 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:sreg_64_xexec = IMPLICIT_DEF
# GCN-NEXT: $vcc = S_ANDN2_B64 $exec, %0, implicit-def $scc
# GCN-NEXT: S_CBRANCH_VCCNZ %bb.2, implicit $vcc
---
name: negated_cond_vop3
body: |
bb.0:
%0:sreg_64_xexec = IMPLICIT_DEF
%1:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, 1, %0, implicit $exec
%2:sreg_64_xexec = V_CMP_NE_U32_e64 %1, 1, implicit $exec
$vcc = S_AND_B64 killed %2, $exec, 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:sreg_64_xexec = 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 = S_AND_B64 $exec, $vcc, implicit-def dead $scc
# GCN-NEXT: S_CBRANCH_VCCNZ %bb.2, implicit $vcc
---
name: negated_cond_vop2_redef_vcc1
body: |
bb.0:
%0:sreg_64_xexec = 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 = S_AND_B64 $exec, killed $vcc, 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_vcc2
# GCN: %0:sreg_64_xexec = 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_hi = COPY $sgpr0
# GCN-NEXT: $vcc = S_AND_B64 $exec, $vcc, implicit-def dead $scc
# GCN-NEXT: S_CBRANCH_VCCNZ %bb.2, implicit $vcc
---
name: negated_cond_vop2_redef_vcc2
body: |
bb.0:
%0:sreg_64_xexec = 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_hi = COPY $sgpr0
$vcc = S_AND_B64 $exec, killed $vcc, 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:sreg_64_xexec = IMPLICIT_DEF
# GCN-NEXT: %1:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, 1, %0, implicit $exec
# GCN-NEXT: %2:sreg_64_xexec = V_CMP_NE_U32_e64 %1, 1, implicit $exec
# GCN-NEXT: %2.sub1:sreg_64_xexec = COPY $sgpr0
# GCN-NEXT: $vcc = S_AND_B64 %2, $exec, implicit-def dead $scc
# GCN-NEXT: S_CBRANCH_VCCNZ %bb.2, implicit $vcc
---
name: negated_cond_vop3_redef_cmp
body: |
bb.0:
%0:sreg_64_xexec = IMPLICIT_DEF
%1:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, 1, %0, implicit $exec
%2:sreg_64_xexec = V_CMP_NE_U32_e64 %1, 1, implicit $exec
%2.sub1 = COPY $sgpr0
$vcc = S_AND_B64 killed %2, $exec, 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 = S_AND_B64 $exec, undef $vcc, implicit-def dead $scc
# GCN-NEXT: S_CBRANCH_VCCNZ %bb.2, implicit $vcc
---
name: negated_cond_undef_vcc
body: |
bb.0:
$vcc = S_AND_B64 $exec, undef $vcc, 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 = IMPLICIT_DEF
# GCN-NEXT: $vcc = S_ANDN2_B64 $exec, $vcc, implicit-def $scc
# GCN-NEXT: S_CBRANCH_VCCNZ %bb.2, implicit $vcc
---
name: negated_cond_vop3_imp_vcc
body: |
bb.0:
$vcc = IMPLICIT_DEF
%1:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, 1, $vcc, implicit $exec
%2:sreg_64_xexec = V_CMP_NE_U32_e64 %1, 1, implicit $exec
$vcc = S_AND_B64 killed %2, $exec, 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 = IMPLICIT_DEF
# GCN-NEXT: $vcc = S_ANDN2_B64 $exec, $vcc, implicit-def $scc
# GCN-NEXT: S_CBRANCH_VCCNZ %bb.2, implicit $vcc
---
name: negated_cond_vop2_imp_vcc
body: |
bb.0:
$vcc = IMPLICIT_DEF
%1:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, 1, $vcc, implicit $exec
V_CMP_NE_U32_e32 1, %1, implicit-def $vcc, implicit $exec
$vcc = S_AND_B64 killed $vcc, $exec, 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:sreg_64_xexec = 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:sreg_64_xexec = V_CMP_NE_U32_e64 %1, 1, implicit $exec
# GCN-NEXT: $vcc = S_AND_B64 %2, $exec, implicit-def dead $scc
# GCN-NEXT: S_CBRANCH_VCCNZ %bb.2, implicit $vcc
---
name: negated_cond_vop3_redef_sel
body: |
bb.0:
%0:sreg_64_xexec = IMPLICIT_DEF
%1:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, 1, %0, implicit $exec
%1:vgpr_32 = COPY $vgpr0
%2:sreg_64_xexec = V_CMP_NE_U32_e64 %1, 1, implicit $exec
$vcc = S_AND_B64 killed %2, $exec, 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:sreg_64_xexec = IMPLICIT_DEF
# GCN-NEXT: %1:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, 1, %0, implicit $exec
# GCN-NEXT: $vcc = S_ANDN2_B64 $exec, %0, implicit-def $scc
# GCN-NEXT: S_CBRANCH_VCCNZ %bb.2, implicit $vcc
---
name: negated_cond_vop2_used_sel
body: |
bb.0:
%0:sreg_64_xexec = 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 = S_AND_B64 $exec, killed $vcc, 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:sreg_64_xexec = 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 = S_ANDN2_B64 $exec, %0, implicit-def $scc
# GCN-NEXT: S_CBRANCH_VCCNZ %bb.2, implicit $vcc
---
name: negated_cond_vop2_used_vcc
body: |
bb.0:
%0:sreg_64_xexec = 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 = S_AND_B64 $exec, killed $vcc, 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:sreg_64_xexec = 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:sreg_64_xexec = V_CMP_NE_U32_e64 %1.sub1, 1, implicit $exec
# GCN-NEXT: $vcc = S_AND_B64 %2, $exec, implicit-def dead $scc
# GCN-NEXT: S_CBRANCH_VCCNZ %bb.2, implicit $vcc
---
name: negated_cond_vop3_sel_wrong_subreg1
body: |
bb.0:
%0:sreg_64_xexec = IMPLICIT_DEF
%1.sub1 = IMPLICIT_DEF
%1.sub0:vreg_64 = V_CNDMASK_B32_e64 0, 0, 0, 1, %0, implicit $exec
%2:sreg_64_xexec = V_CMP_NE_U32_e64 %1.sub1, 1, implicit $exec
$vcc = S_AND_B64 killed %2, $exec, 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:sreg_64_xexec = 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:sreg_64_xexec = V_CMP_NE_U32_e64 %1.sub1, 1, implicit $exec
# GCN-NEXT: $vcc = S_AND_B64 %2, $exec, implicit-def dead $scc
# GCN-NEXT: S_CBRANCH_VCCNZ %bb.2, implicit $vcc
---
name: negated_cond_vop3_sel_wrong_subreg2
body: |
bb.0:
%0:sreg_64_xexec = IMPLICIT_DEF
%1.sub0:vreg_64 = V_CNDMASK_B32_e64 0, 0, 0, 1, %0, implicit $exec
%1.sub1 = IMPLICIT_DEF
%2:sreg_64_xexec = V_CMP_NE_U32_e64 %1.sub1, 1, implicit $exec
$vcc = S_AND_B64 killed %2, $exec, 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:sreg_64_xexec = IMPLICIT_DEF
# GCN-NEXT: %1.sub1:vreg_64 = IMPLICIT_DEF
# GCN-NEXT: $vcc = S_ANDN2_B64 $exec, %0, implicit-def $scc
# GCN-NEXT: S_CBRANCH_VCCNZ %bb.2, implicit $vcc
---
name: negated_cond_vop3_sel_right_subreg1
body: |
bb.0:
%0:sreg_64_xexec = IMPLICIT_DEF
%1.sub1 = IMPLICIT_DEF
%1.sub0:vreg_64 = V_CNDMASK_B32_e64 0, 0, 0, 1, %0, implicit $exec
%2:sreg_64_xexec = V_CMP_NE_U32_e64 %1.sub0, 1, implicit $exec
$vcc = S_AND_B64 killed %2, $exec, 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:sreg_64_xexec = IMPLICIT_DEF
# GCN-NEXT: %1.sub1:vreg_64 = IMPLICIT_DEF
# GCN-NEXT: $vcc = S_ANDN2_B64 $exec, %0, implicit-def $scc
# GCN-NEXT: S_CBRANCH_VCCNZ %bb.2, implicit $vcc
---
name: negated_cond_vop3_sel_right_subreg2
body: |
bb.0:
%0:sreg_64_xexec = IMPLICIT_DEF
%1.sub0:vreg_64 = V_CNDMASK_B32_e64 0, 0, 0, 1, %0, implicit $exec
%1.sub1 = IMPLICIT_DEF
%2:sreg_64_xexec = V_CMP_NE_U32_e64 %1.sub0, 1, implicit $exec
$vcc = S_AND_B64 killed %2, $exec, 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:sreg_64_xexec = 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:sreg_64_xexec = V_CMP_NE_U32_e64 %1.sub2, 1, implicit $exec
# GCN-NEXT: $vcc = S_AND_B64 %2, $exec, implicit-def dead $scc
# GCN-NEXT: S_CBRANCH_VCCNZ %bb.2, implicit $vcc
---
name: negated_cond_vop3_sel_subreg_overlap
body: |
bb.0:
%0:sreg_64_xexec = IMPLICIT_DEF
%1.sub2:vreg_128 = V_CNDMASK_B32_e64 0, 0, 0, 1, %0, implicit $exec
%1.sub2_sub3 = IMPLICIT_DEF
%2:sreg_64_xexec = V_CMP_NE_U32_e64 %1.sub2, 1, implicit $exec
$vcc = S_AND_B64 killed %2, $exec, 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_dominated_blocks
# GCN: %0:sreg_64_xexec = IMPLICIT_DEF
# GCN: $vcc = S_ANDN2_B64 $exec, %0, implicit-def $scc
# GCN-NEXT: S_CBRANCH_VCCNZ %bb.3, implicit $vcc
---
name: negated_cond_vop2_dominated_blocks
body: |
bb.0:
%0:sreg_64_xexec = IMPLICIT_DEF
%1:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, 1, %0, implicit $exec
bb.1:
V_CMP_NE_U32_e32 1, %1, implicit-def $vcc, implicit $exec
$vcc = S_AND_B64 $exec, killed $vcc, implicit-def dead $scc
S_CBRANCH_VCCNZ %bb.3, implicit killed $vcc
S_BRANCH %bb.2
bb.2:
S_BRANCH %bb.1
bb.3:
S_ENDPGM 0
...
# GCN: name: negated_cond_vop2_different_blocks_cmp_and
# GCN: %1:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, 1, %0, implicit $exec
# GCN: $vcc = S_AND_B64 $exec, %2, implicit-def dead $scc
# GCN-NEXT: S_CBRANCH_VCCNZ %bb.3, implicit $vcc
---
name: negated_cond_vop2_different_blocks_cmp_and
body: |
bb.0:
%0:sreg_64_xexec = IMPLICIT_DEF
%1:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, 1, %0, implicit $exec
%2:sreg_64_xexec = V_CMP_NE_U32_e64 %1, 1, implicit $exec
bb.1:
$vcc = S_AND_B64 $exec, killed %2, implicit-def dead $scc
S_CBRANCH_VCCNZ %bb.3, implicit killed $vcc
S_BRANCH %bb.2
bb.2:
S_BRANCH %bb.1
bb.3:
S_ENDPGM 0
...
# GCN: name: negated_cond_vop2_not_dominated_blocks
# GCN: V_CNDMASK_B32_e64 0, 0, 0, 1,
# GCN: $vcc = S_AND_B64 $exec, $vcc, implicit-def dead $scc
# GCN-NEXT: S_CBRANCH_VCCNZ %bb.4, implicit $vcc
---
name: negated_cond_vop2_not_dominated_blocks
body: |
bb.0:
$vcc = IMPLICIT_DEF
%1 = IMPLICIT_DEF
S_CBRANCH_VCCNZ %bb.2, implicit killed $vcc
S_BRANCH %bb.1
bb.1:
%0:sreg_64_xexec = IMPLICIT_DEF
%1:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, 1, %0, implicit $exec
bb.2:
V_CMP_NE_U32_e32 1, %1, implicit-def $vcc, implicit $exec
$vcc = S_AND_B64 $exec, killed $vcc, implicit-def dead $scc
S_CBRANCH_VCCNZ %bb.4, implicit killed $vcc
S_BRANCH %bb.3
bb.3:
S_BRANCH %bb.2
bb.4:
S_ENDPGM 0
...
# GCN: name: negated_cond_subreg
# GCN: %0.sub0_sub1:sreg_128 = IMPLICIT_DEF
# GCN-NEXT: $vcc = S_ANDN2_B64 $exec, %0.sub0_sub1, implicit-def $scc
# GCN-NEXT: S_CBRANCH_VCCNZ %bb.2, implicit $vcc
---
name: negated_cond_subreg
body: |
bb.0:
%0.sub0_sub1:sreg_128 = IMPLICIT_DEF
%1:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, 1, %0.sub0_sub1, implicit $exec
%2.sub0_sub1:sreg_128 = V_CMP_NE_U32_e64 %1, 1, implicit $exec
$vcc = S_AND_B64 $exec, killed %2.sub0_sub1:sreg_128, 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
...