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TheRock/compiler/amd-llvm/llvm/test/CodeGen/AMDGPU/skip-branch-taildup-ret.mir
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derek.holloway 7502bf64a4
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=amdgcn-amd-amdhsa -verify-machineinstrs -run-pass=si-pre-emit-peephole -o - %s | FileCheck %s
---
name: skip_branch_taildup_endpgm
machineFunctionInfo:
isEntryFunction: true
body: |
; CHECK-LABEL: name: skip_branch_taildup_endpgm
; CHECK: bb.0:
; CHECK-NEXT: successors: %bb.3(0x40000000), %bb.1(0x40000000)
; CHECK-NEXT: liveins: $vgpr0, $sgpr4_sgpr5, $sgpr7
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: renamable $sgpr0_sgpr1 = S_LOAD_DWORDX2_IMM renamable $sgpr4_sgpr5, 4, 0 :: (dereferenceable invariant load (s64), align 16, addrspace 4)
; CHECK-NEXT: renamable $vgpr0 = V_LSHLREV_B32_e32 2, killed $vgpr0, implicit $exec
; CHECK-NEXT: S_WAITCNT .Lgkmcnt_0
; CHECK-NEXT: $vgpr1 = V_MOV_B32_e32 $sgpr1, implicit $exec, implicit $exec
; CHECK-NEXT: renamable $vgpr0 = V_ADD_CO_U32_e32 $sgpr0, killed $vgpr0, implicit-def $vcc, implicit $exec
; CHECK-NEXT: renamable $vgpr1 = V_ADDC_U32_e32 0, killed $vgpr1, implicit-def $vcc, implicit killed $vcc, implicit $exec
; CHECK-NEXT: renamable $vgpr0 = FLAT_LOAD_DWORD renamable $vgpr0_vgpr1, 0, 0, implicit $exec, implicit $flat_scr :: (load (s32), addrspace 1)
; CHECK-NEXT: renamable $sgpr0_sgpr1 = S_LOAD_DWORDX2_IMM killed renamable $sgpr4_sgpr5, 0, 0 :: (dereferenceable invariant load (s64), align 16, addrspace 4)
; CHECK-NEXT: S_WAITCNT .Vmcnt_0_Lgkmcnt_0
; CHECK-NEXT: V_CMP_NE_U32_e32 0, killed $vgpr0, implicit-def $vcc, implicit $exec
; CHECK-NEXT: $sgpr2_sgpr3 = S_AND_SAVEEXEC_B64 $vcc, implicit-def $exec, implicit-def $scc, implicit $exec
; CHECK-NEXT: renamable $sgpr2_sgpr3 = S_XOR_B64 $exec, killed renamable $sgpr2_sgpr3, implicit-def dead $scc
; CHECK-NEXT: S_CBRANCH_EXECZ %bb.1, implicit $exec
; CHECK-NEXT: S_BRANCH %bb.3
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: successors: %bb.4(0x40000000), %bb.2(0x40000000)
; CHECK-NEXT: liveins: $sgpr0_sgpr1, $sgpr2_sgpr3
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: renamable $sgpr2_sgpr3 = S_OR_SAVEEXEC_B64 killed renamable $sgpr2_sgpr3, implicit-def $exec, implicit-def $scc, implicit $exec
; CHECK-NEXT: $exec = S_XOR_B64 $exec, renamable $sgpr2_sgpr3, implicit-def $scc
; CHECK-NEXT: S_CBRANCH_EXECZ %bb.2, implicit $exec
; CHECK-NEXT: S_BRANCH %bb.4
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2:
; CHECK-NEXT: liveins: $sgpr2_sgpr3
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: $exec = S_OR_B64 $exec, killed renamable $sgpr2_sgpr3, implicit-def $scc
; CHECK-NEXT: renamable $vgpr0 = V_MOV_B32_e32 32, implicit $exec
; CHECK-NEXT: S_ENDPGM 0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.3:
; CHECK-NEXT: successors: %bb.4(0x40000000), %bb.2(0x40000000)
; CHECK-NEXT: liveins: $sgpr0_sgpr1, $sgpr2_sgpr3
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: renamable $vgpr2 = V_MOV_B32_e32 15, implicit $exec
; CHECK-NEXT: $vgpr0 = V_MOV_B32_e32 $sgpr0, implicit $exec, implicit-def $vgpr0_vgpr1, implicit $sgpr0_sgpr1
; CHECK-NEXT: $vgpr1 = V_MOV_B32_e32 $sgpr1, implicit $exec, implicit $sgpr0_sgpr1, implicit $exec
; CHECK-NEXT: renamable $sgpr2_sgpr3 = S_OR_SAVEEXEC_B64 killed renamable $sgpr2_sgpr3, implicit-def $exec, implicit-def $scc, implicit $exec
; CHECK-NEXT: $exec = S_XOR_B64 $exec, renamable $sgpr2_sgpr3, implicit-def $scc
; CHECK-NEXT: S_CBRANCH_EXECZ %bb.2, implicit $exec
; CHECK-NEXT: S_BRANCH %bb.4
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.4:
; CHECK-NEXT: liveins: $sgpr0_sgpr1, $sgpr2_sgpr3
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: renamable $vgpr2 = V_MOV_B32_e32 8, implicit $exec
; CHECK-NEXT: $vgpr0 = V_MOV_B32_e32 $sgpr0, implicit $exec, implicit-def $vgpr0_vgpr1, implicit $sgpr0_sgpr1
; CHECK-NEXT: $vgpr1 = V_MOV_B32_e32 $sgpr1, implicit $exec, implicit killed $sgpr0_sgpr1, implicit $exec
; CHECK-NEXT: $exec = S_OR_B64 $exec, killed renamable $sgpr2_sgpr3, implicit-def $scc
; CHECK-NEXT: renamable $vgpr0 = V_MOV_B32_e32 32, implicit $exec
; CHECK-NEXT: S_ENDPGM 0
bb.0:
successors: %bb.1, %bb.2
liveins: $vgpr0, $sgpr4_sgpr5, $sgpr7
renamable $sgpr0_sgpr1 = S_LOAD_DWORDX2_IMM renamable $sgpr4_sgpr5, 4, 0 :: (dereferenceable invariant load (s64), align 16, addrspace 4)
renamable $vgpr0 = V_LSHLREV_B32_e32 2, killed $vgpr0, implicit $exec
S_WAITCNT 127
$vgpr1 = V_MOV_B32_e32 $sgpr1, implicit $exec, implicit $exec
renamable $vgpr0 = V_ADD_CO_U32_e32 $sgpr0, killed $vgpr0, implicit-def $vcc, implicit $exec
renamable $vgpr1 = V_ADDC_U32_e32 0, killed $vgpr1, implicit-def $vcc, implicit killed $vcc, implicit $exec
renamable $vgpr0 = FLAT_LOAD_DWORD renamable $vgpr0_vgpr1, 0, 0, implicit $exec, implicit $flat_scr :: (load (s32), addrspace 1)
renamable $sgpr0_sgpr1 = S_LOAD_DWORDX2_IMM killed renamable $sgpr4_sgpr5, 0, 0 :: (dereferenceable invariant load (s64), align 16, addrspace 4)
S_WAITCNT 112
V_CMP_NE_U32_e32 0, killed $vgpr0, implicit-def $vcc, implicit $exec
$sgpr2_sgpr3 = S_AND_SAVEEXEC_B64 $vcc, implicit-def $exec, implicit-def $scc, implicit $exec
renamable $sgpr2_sgpr3 = S_XOR_B64 $exec, killed renamable $sgpr2_sgpr3, implicit-def dead $scc
S_CBRANCH_EXECZ %bb.2, implicit $exec
S_BRANCH %bb.1
bb.2:
successors: %bb.3, %bb.4
liveins: $sgpr0_sgpr1, $sgpr2_sgpr3
renamable $sgpr2_sgpr3 = S_OR_SAVEEXEC_B64 killed renamable $sgpr2_sgpr3, implicit-def $exec, implicit-def $scc, implicit $exec
$exec = S_XOR_B64 $exec, renamable $sgpr2_sgpr3, implicit-def $scc
S_CBRANCH_EXECZ %bb.4, implicit $exec
S_BRANCH %bb.3
bb.4:
liveins: $sgpr2_sgpr3
$exec = S_OR_B64 $exec, killed renamable $sgpr2_sgpr3, implicit-def $scc
renamable $vgpr0 = V_MOV_B32_e32 32, implicit $exec
S_ENDPGM 0
bb.1:
successors: %bb.3, %bb.4
liveins: $sgpr0_sgpr1, $sgpr2_sgpr3
renamable $vgpr2 = V_MOV_B32_e32 15, implicit $exec
$vgpr0 = V_MOV_B32_e32 $sgpr0, implicit $exec, implicit-def $vgpr0_vgpr1, implicit $sgpr0_sgpr1
$vgpr1 = V_MOV_B32_e32 $sgpr1, implicit $exec, implicit $sgpr0_sgpr1, implicit $exec
renamable $sgpr2_sgpr3 = S_OR_SAVEEXEC_B64 killed renamable $sgpr2_sgpr3, implicit-def $exec, implicit-def $scc, implicit $exec
$exec = S_XOR_B64 $exec, renamable $sgpr2_sgpr3, implicit-def $scc
S_CBRANCH_EXECZ %bb.4, implicit $exec
S_BRANCH %bb.3
bb.3:
liveins: $sgpr0_sgpr1, $sgpr2_sgpr3
renamable $vgpr2 = V_MOV_B32_e32 8, implicit $exec
$vgpr0 = V_MOV_B32_e32 $sgpr0, implicit $exec, implicit-def $vgpr0_vgpr1, implicit $sgpr0_sgpr1
$vgpr1 = V_MOV_B32_e32 $sgpr1, implicit $exec, implicit killed $sgpr0_sgpr1, implicit $exec
$exec = S_OR_B64 $exec, killed renamable $sgpr2_sgpr3, implicit-def $scc
renamable $vgpr0 = V_MOV_B32_e32 32, implicit $exec
S_ENDPGM 0
...
---
name: skip_branch_taildup_ret
body: |
; CHECK-LABEL: name: skip_branch_taildup_ret
; CHECK: bb.0:
; CHECK-NEXT: successors: %bb.3(0x40000000), %bb.1(0x40000000)
; CHECK-NEXT: liveins: $vgpr0, $sgpr30_sgpr31, $vgpr1_vgpr2
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: S_WAITCNT .Vmcnt_0_Expcnt_0_Lgkmcnt_0
; CHECK-NEXT: V_CMP_NE_U32_e32 0, killed $vgpr0, implicit-def $vcc, implicit $exec
; CHECK-NEXT: $sgpr6_sgpr7 = S_AND_SAVEEXEC_B64 $vcc, implicit-def $exec, implicit-def $scc, implicit $exec
; CHECK-NEXT: renamable $sgpr6_sgpr7 = S_XOR_B64 $exec, killed renamable $sgpr6_sgpr7, implicit-def dead $scc
; CHECK-NEXT: S_CBRANCH_EXECZ %bb.1, implicit $exec
; CHECK-NEXT: S_BRANCH %bb.3
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: successors: %bb.4(0x40000000), %bb.2(0x40000000)
; CHECK-NEXT: liveins: $sgpr6_sgpr7, $sgpr30_sgpr31, $vgpr1_vgpr2
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: renamable $sgpr6_sgpr7 = S_OR_SAVEEXEC_B64 killed renamable $sgpr6_sgpr7, implicit-def $exec, implicit-def $scc, implicit $exec
; CHECK-NEXT: $exec = S_XOR_B64 $exec, renamable $sgpr6_sgpr7, implicit-def $scc
; CHECK-NEXT: S_CBRANCH_EXECZ %bb.2, implicit $exec
; CHECK-NEXT: S_BRANCH %bb.4
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2:
; CHECK-NEXT: liveins: $sgpr6_sgpr7, $sgpr30_sgpr31
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: $exec = S_OR_B64 $exec, killed renamable $sgpr6_sgpr7, implicit-def $scc
; CHECK-NEXT: renamable $vgpr0 = V_MOV_B32_e32 32, implicit $exec
; CHECK-NEXT: S_SETPC_B64_return $sgpr30_sgpr31
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.3:
; CHECK-NEXT: successors: %bb.4(0x40000000), %bb.2(0x40000000)
; CHECK-NEXT: liveins: $sgpr6_sgpr7, $sgpr30_sgpr31, $vgpr1_vgpr2
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: renamable $vgpr0 = V_MOV_B32_e32 15, implicit $exec
; CHECK-NEXT: renamable $sgpr6_sgpr7 = S_OR_SAVEEXEC_B64 killed renamable $sgpr6_sgpr7, implicit-def $exec, implicit-def $scc, implicit $exec
; CHECK-NEXT: $exec = S_XOR_B64 $exec, renamable $sgpr6_sgpr7, implicit-def $scc
; CHECK-NEXT: S_CBRANCH_EXECZ %bb.2, implicit $exec
; CHECK-NEXT: S_BRANCH %bb.4
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.4:
; CHECK-NEXT: liveins: $sgpr6_sgpr7, $sgpr30_sgpr31, $vgpr1_vgpr2
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: renamable $vgpr0 = V_MOV_B32_e32 8, implicit $exec
; CHECK-NEXT: $exec = S_OR_B64 $exec, killed renamable $sgpr6_sgpr7, implicit-def $scc
; CHECK-NEXT: renamable $vgpr0 = V_MOV_B32_e32 32, implicit $exec
; CHECK-NEXT: S_SETPC_B64_return $sgpr30_sgpr31
bb.0:
successors: %bb.1, %bb.2
liveins: $vgpr0, $sgpr30_sgpr31, $vgpr1_vgpr2
S_WAITCNT 0
V_CMP_NE_U32_e32 0, killed $vgpr0, implicit-def $vcc, implicit $exec
$sgpr6_sgpr7 = S_AND_SAVEEXEC_B64 $vcc, implicit-def $exec, implicit-def $scc, implicit $exec
renamable $sgpr6_sgpr7 = S_XOR_B64 $exec, killed renamable $sgpr6_sgpr7, implicit-def dead $scc
S_CBRANCH_EXECZ %bb.2, implicit $exec
S_BRANCH %bb.1
bb.2:
successors: %bb.3, %bb.4
liveins: $sgpr6_sgpr7, $sgpr30_sgpr31, $vgpr1_vgpr2
renamable $sgpr6_sgpr7 = S_OR_SAVEEXEC_B64 killed renamable $sgpr6_sgpr7, implicit-def $exec, implicit-def $scc, implicit $exec
$exec = S_XOR_B64 $exec, renamable $sgpr6_sgpr7, implicit-def $scc
S_CBRANCH_EXECZ %bb.4, implicit $exec
S_BRANCH %bb.3
bb.4:
liveins: $sgpr6_sgpr7, $sgpr30_sgpr31
$exec = S_OR_B64 $exec, killed renamable $sgpr6_sgpr7, implicit-def $scc
renamable $vgpr0 = V_MOV_B32_e32 32, implicit $exec
S_SETPC_B64_return $sgpr30_sgpr31
bb.1:
successors: %bb.3, %bb.4
liveins: $sgpr6_sgpr7, $sgpr30_sgpr31, $vgpr1_vgpr2
renamable $vgpr0 = V_MOV_B32_e32 15, implicit $exec
renamable $sgpr6_sgpr7 = S_OR_SAVEEXEC_B64 killed renamable $sgpr6_sgpr7, implicit-def $exec, implicit-def $scc, implicit $exec
$exec = S_XOR_B64 $exec, renamable $sgpr6_sgpr7, implicit-def $scc
S_CBRANCH_EXECZ %bb.4, implicit $exec
S_BRANCH %bb.3
bb.3:
liveins: $sgpr6_sgpr7, $sgpr30_sgpr31, $vgpr1_vgpr2
renamable $vgpr0 = V_MOV_B32_e32 8, implicit $exec
$exec = S_OR_B64 $exec, killed renamable $sgpr6_sgpr7, implicit-def $scc
renamable $vgpr0 = V_MOV_B32_e32 32, implicit $exec
S_SETPC_B64_return $sgpr30_sgpr31
...