forked from OSchip/llvm-project
174 lines
4.4 KiB
YAML
174 lines
4.4 KiB
YAML
# RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs -run-pass post-RA-hazard-rec %s -o - | FileCheck -check-prefix=GCN -check-prefix=VI %s
|
|
# RUN: llc -march=amdgcn -mcpu=gfx803 -verify-machineinstrs -run-pass post-RA-hazard-rec %s -o - | FileCheck -check-prefix=GCN -check-prefix=GFX8 %s
|
|
# RUN: llc -march=amdgcn -mcpu=gfx900 -verify-machineinstrs -run-pass post-RA-hazard-rec %s -o - | FileCheck -check-prefix=GCN -check-prefix=GFX9 %s
|
|
|
|
# GCN-LABEL: name: hazard_implicit_def
|
|
# GCN: bb.0.entry:
|
|
# GCN: $m0 = S_MOV_B32
|
|
# GFX9: S_NOP 0
|
|
# VI-NOT: S_NOP_0
|
|
# GCN: V_INTERP_P1_F32
|
|
|
|
---
|
|
name: hazard_implicit_def
|
|
alignment: 1
|
|
exposesReturnsTwice: false
|
|
legalized: false
|
|
regBankSelected: false
|
|
selected: false
|
|
tracksRegLiveness: true
|
|
registers:
|
|
liveins:
|
|
- { reg: '$sgpr7', virtual-reg: '' }
|
|
- { reg: '$vgpr4', virtual-reg: '' }
|
|
body: |
|
|
bb.0.entry:
|
|
liveins: $sgpr7, $vgpr4
|
|
|
|
$m0 = S_MOV_B32 killed $sgpr7
|
|
$vgpr5 = IMPLICIT_DEF
|
|
$vgpr0 = V_INTERP_P1_F32 killed $vgpr4, 0, 0, implicit $mode, implicit $m0, implicit $exec
|
|
SI_RETURN_TO_EPILOG killed $vgpr5, killed $vgpr0
|
|
|
|
...
|
|
|
|
# GCN-LABEL: name: hazard_inlineasm
|
|
# GCN: bb.0.entry:
|
|
# GCN: $m0 = S_MOV_B32
|
|
# GFX9: S_NOP 0
|
|
# VI-NOT: S_NOP_0
|
|
# GCN: V_INTERP_P1_F32
|
|
---
|
|
name: hazard_inlineasm
|
|
alignment: 1
|
|
exposesReturnsTwice: false
|
|
legalized: false
|
|
regBankSelected: false
|
|
selected: false
|
|
tracksRegLiveness: true
|
|
registers:
|
|
liveins:
|
|
- { reg: '$sgpr7', virtual-reg: '' }
|
|
- { reg: '$vgpr4', virtual-reg: '' }
|
|
body: |
|
|
bb.0.entry:
|
|
liveins: $sgpr7, $vgpr4
|
|
|
|
$m0 = S_MOV_B32 killed $sgpr7
|
|
INLINEASM &"; no-op", 1, 327690, def $vgpr5
|
|
$vgpr0 = V_INTERP_P1_F32 killed $vgpr4, 0, 0, implicit $mode, implicit $m0, implicit $exec
|
|
SI_RETURN_TO_EPILOG killed $vgpr5, killed $vgpr0
|
|
...
|
|
|
|
# IMPLICIT_DEF/DBG_VALUE instructions should not prevent the hazard recognizer
|
|
# from adding s_nop instructions between m0 update and s_sendmsg.
|
|
|
|
# GCN-LABEL: name: hazard-lookahead-implicit-def
|
|
# GCN: $vgpr6 = IMPLICIT_DEF
|
|
# GFX8-NEXT: S_NOP 0
|
|
# GFX9-NEXT: S_NOP 0
|
|
# GCN: S_SENDMSG 3, implicit $exec, implicit $m0
|
|
---
|
|
name: hazard-lookahead-implicit-def
|
|
body: |
|
|
bb.0:
|
|
$m0 = S_MOV_B32 killed $sgpr12
|
|
$vgpr0 = IMPLICIT_DEF
|
|
$vgpr1 = IMPLICIT_DEF
|
|
$vgpr2 = IMPLICIT_DEF
|
|
$vgpr3 = IMPLICIT_DEF
|
|
$vgpr4 = IMPLICIT_DEF
|
|
$vgpr5 = IMPLICIT_DEF
|
|
$vgpr6 = IMPLICIT_DEF
|
|
S_SENDMSG 3, implicit $exec, implicit $m0
|
|
S_ENDPGM 0
|
|
...
|
|
|
|
# GCN-LABEL: name: hazard-lookahead-dbg-value
|
|
# GCN: DBG_VALUE 6
|
|
# GFX8-NEXT: S_NOP 0
|
|
# GFX9-NEXT: S_NOP 0
|
|
# GCN: S_SENDMSG 3, implicit $exec, implicit $m0
|
|
---
|
|
name: hazard-lookahead-dbg-value
|
|
body: |
|
|
bb.0:
|
|
$m0 = S_MOV_B32 killed $sgpr12
|
|
DBG_VALUE 0
|
|
DBG_VALUE 1
|
|
DBG_VALUE 2
|
|
DBG_VALUE 3
|
|
DBG_VALUE 4
|
|
DBG_VALUE 5
|
|
DBG_VALUE 6
|
|
S_SENDMSG 3, implicit $exec, implicit $m0
|
|
S_ENDPGM 0
|
|
...
|
|
|
|
# GCN-LABEL: name: hazard-lookahead-dbg-label
|
|
# GCN: DBG_LABEL 6
|
|
# GFX8-NEXT: S_NOP 0
|
|
# GFX9-NEXT: S_NOP 0
|
|
# GCN: S_SENDMSG 3, implicit $exec, implicit $m0
|
|
---
|
|
name: hazard-lookahead-dbg-label
|
|
body: |
|
|
bb.0:
|
|
$m0 = S_MOV_B32 killed $sgpr12
|
|
DBG_LABEL 0
|
|
DBG_LABEL 1
|
|
DBG_LABEL 2
|
|
DBG_LABEL 3
|
|
DBG_LABEL 4
|
|
DBG_LABEL 5
|
|
DBG_LABEL 6
|
|
S_SENDMSG 3, implicit $exec, implicit $m0
|
|
S_ENDPGM 0
|
|
...
|
|
# GCN-LABEL: name: hazard-lookahead-wave-barrier
|
|
# GCN: S_WAITCNT 0
|
|
# GCN-NEXT: S_NOP 0
|
|
# GCN-NEXT: V_ADD_F16_dpp
|
|
---
|
|
name: hazard-lookahead-wave-barrier
|
|
body: |
|
|
bb.0:
|
|
liveins: $vgpr0, $vgpr1, $vgpr3
|
|
|
|
renamable $vgpr1 = contract nofpexcept V_ADD_F16_e32 killed $vgpr1, $vgpr0, implicit $mode, implicit $exec
|
|
WAVE_BARRIER
|
|
S_WAITCNT 0
|
|
renamable $vgpr2 = contract nofpexcept V_ADD_F16_dpp undef $vgpr2, 0, $vgpr1, 0, $vgpr3, 273, 15, 15, 1, implicit $mode, implicit $exec
|
|
...
|
|
# GCN-LABEL: name: hazard-lookahead-masked-unreachable
|
|
# GCN: SI_MASKED_UNREACHABLE
|
|
# GCN-NEXT: S_NOP 0
|
|
# GCN-NEXT: S_SENDMSG
|
|
---
|
|
name: hazard-lookahead-masked-unreachable
|
|
body: |
|
|
bb.0:
|
|
$m0 = S_MOV_B32 -1
|
|
SI_MASKED_UNREACHABLE
|
|
S_SENDMSG 3, implicit $exec, implicit $m0
|
|
|
|
bb.1:
|
|
S_ENDPGM 0
|
|
...
|
|
# GCN-LABEL: name: fallthrough-hazard-lookahead-masked-unreachable
|
|
# GCN: SI_MASKED_UNREACHABLE
|
|
# GCN-LABEL: bb.1:
|
|
# GCN-NEXT: S_NOP 0
|
|
# GCN-NEXT: S_SENDMSG
|
|
---
|
|
name: fallthrough-hazard-lookahead-masked-unreachable
|
|
body: |
|
|
bb.0:
|
|
$m0 = S_MOV_B32 -1
|
|
SI_MASKED_UNREACHABLE
|
|
|
|
bb.1:
|
|
S_SENDMSG 3, implicit $exec, implicit $m0
|
|
S_ENDPGM 0
|
|
...
|