
Remove s_cbranch_execnz branches if the transformation is profitable according to `BranchProbability` and `TargetSchedmodel`.
217 lines
5.8 KiB
YAML
217 lines
5.8 KiB
YAML
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5
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# RUN: llc -mtriple=amdgcn -mcpu=gfx1030 -run-pass si-pre-emit-peephole -verify-machineinstrs %s -o - | FileCheck %s
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---
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name: skip_waitcnt_vscnt
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body: |
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; CHECK-LABEL: name: skip_waitcnt_vscnt
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; CHECK: bb.0:
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; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: S_CBRANCH_EXECZ %bb.2, implicit $exec
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.1:
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; CHECK-NEXT: successors: %bb.2(0x80000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: V_NOP_e32 implicit $exec
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; CHECK-NEXT: S_WAITCNT_VSCNT $sgpr_null, 0
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.2:
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; CHECK-NEXT: S_ENDPGM 0
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bb.0:
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successors: %bb.1, %bb.2
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S_CBRANCH_EXECZ %bb.2, implicit $exec
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bb.1:
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successors: %bb.2
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V_NOP_e32 implicit $exec
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S_WAITCNT_VSCNT $sgpr_null, 0
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bb.2:
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S_ENDPGM 0
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...
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---
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name: skip_waitcnt_expcnt
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body: |
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; CHECK-LABEL: name: skip_waitcnt_expcnt
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; CHECK: bb.0:
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; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: S_CBRANCH_EXECZ %bb.2, implicit $exec
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.1:
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; CHECK-NEXT: successors: %bb.2(0x80000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: V_NOP_e32 implicit $exec
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; CHECK-NEXT: S_WAITCNT_EXPCNT $sgpr_null, 0
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.2:
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; CHECK-NEXT: S_ENDPGM 0
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bb.0:
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successors: %bb.1, %bb.2
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S_CBRANCH_EXECZ %bb.2, implicit $exec
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bb.1:
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successors: %bb.2
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V_NOP_e32 implicit $exec
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S_WAITCNT_EXPCNT $sgpr_null, 0
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bb.2:
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S_ENDPGM 0
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...
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---
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name: skip_waitcnt_vmcnt
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body: |
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; CHECK-LABEL: name: skip_waitcnt_vmcnt
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; CHECK: bb.0:
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; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: S_CBRANCH_EXECZ %bb.2, implicit $exec
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.1:
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; CHECK-NEXT: successors: %bb.2(0x80000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: V_NOP_e32 implicit $exec
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; CHECK-NEXT: S_WAITCNT_VMCNT $sgpr_null, 0
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.2:
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; CHECK-NEXT: S_ENDPGM 0
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bb.0:
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successors: %bb.1, %bb.2
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S_CBRANCH_EXECZ %bb.2, implicit $exec
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bb.1:
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successors: %bb.2
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V_NOP_e32 implicit $exec
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S_WAITCNT_VMCNT $sgpr_null, 0
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bb.2:
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S_ENDPGM 0
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...
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---
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name: skip_waitcnt_lgkmcnt
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body: |
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; CHECK-LABEL: name: skip_waitcnt_lgkmcnt
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; CHECK: bb.0:
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; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: S_CBRANCH_EXECZ %bb.2, implicit $exec
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.1:
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; CHECK-NEXT: successors: %bb.2(0x80000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: V_NOP_e32 implicit $exec
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; CHECK-NEXT: S_WAITCNT_LGKMCNT $sgpr_null, 0
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.2:
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; CHECK-NEXT: S_ENDPGM 0
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bb.0:
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successors: %bb.1, %bb.2
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S_CBRANCH_EXECZ %bb.2, implicit $exec
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bb.1:
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successors: %bb.2
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V_NOP_e32 implicit $exec
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S_WAITCNT_LGKMCNT $sgpr_null, 0
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bb.2:
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S_ENDPGM 0
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...
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---
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name: skip_wait_idle
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body: |
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; CHECK-LABEL: name: skip_wait_idle
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; CHECK: bb.0:
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; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: S_CBRANCH_EXECZ %bb.2, implicit $exec
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.1:
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; CHECK-NEXT: successors: %bb.2(0x80000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: V_NOP_e32 implicit $exec
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; CHECK-NEXT: S_WAIT_IDLE
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.2:
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; CHECK-NEXT: S_ENDPGM 0
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bb.0:
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successors: %bb.1, %bb.2
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S_CBRANCH_EXECZ %bb.2, implicit $exec
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bb.1:
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successors: %bb.2
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V_NOP_e32 implicit $exec
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S_WAIT_IDLE
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bb.2:
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S_ENDPGM 0
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...
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---
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name: skip_bvh
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body: |
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; CHECK-LABEL: name: skip_bvh
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; CHECK: bb.0:
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; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: S_CBRANCH_EXECZ %bb.2, implicit $exec
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.1:
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; CHECK-NEXT: successors: %bb.2(0x80000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: V_NOP_e32 implicit $exec
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; CHECK-NEXT: $vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14 = IMPLICIT_DEF
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; CHECK-NEXT: $sgpr0_sgpr1_sgpr2_sgpr3 = IMPLICIT_DEF
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; CHECK-NEXT: $vgpr0_vgpr1_vgpr2_vgpr3 = IMAGE_BVH_INTERSECT_RAY_sa_gfx11 $vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14, renamable $sgpr0_sgpr1_sgpr2_sgpr3, 0, implicit $exec :: (dereferenceable load (s128), addrspace 7)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.2:
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; CHECK-NEXT: S_ENDPGM 0
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bb.0:
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successors: %bb.1, %bb.2
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S_CBRANCH_EXECZ %bb.2, implicit $exec
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bb.1:
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successors: %bb.2
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V_NOP_e32 implicit $exec
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$vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14 = IMPLICIT_DEF
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$sgpr0_sgpr1_sgpr2_sgpr3 = IMPLICIT_DEF
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$vgpr0_vgpr1_vgpr2_vgpr3 = IMAGE_BVH_INTERSECT_RAY_sa_gfx11 $vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14, renamable $sgpr0_sgpr1_sgpr2_sgpr3, 0, implicit $exec :: (dereferenceable load (s128), addrspace 7)
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bb.2:
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S_ENDPGM 0
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...
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---
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name: skip_barrier
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body: |
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; CHECK-LABEL: name: skip_barrier
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; CHECK: bb.0:
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; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: S_CBRANCH_EXECZ %bb.2, implicit $exec
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.1:
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; CHECK-NEXT: successors: %bb.2(0x80000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: V_NOP_e32 implicit $exec
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; CHECK-NEXT: S_BARRIER
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.2:
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; CHECK-NEXT: S_ENDPGM 0
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bb.0:
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successors: %bb.1, %bb.2
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S_CBRANCH_EXECZ %bb.2, implicit $exec
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bb.1:
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successors: %bb.2
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V_NOP_e32 implicit $exec
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S_BARRIER
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bb.2:
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S_ENDPGM 0
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...
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