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