| # 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: $m0 = S_MOV_B32 |
| # GFX9: S_NOP 0 |
| # VI-NOT: S_NOP_0 |
| # GCN: V_INTERP_P1_F32 |
| |
| --- |
| name: hazard_implicit_def |
| alignment: 0 |
| exposesReturnsTwice: false |
| legalized: false |
| regBankSelected: false |
| selected: false |
| tracksRegLiveness: true |
| registers: |
| liveins: |
| - { reg: '$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 $m0, implicit $exec |
| SI_RETURN_TO_EPILOG killed $vgpr5, killed $vgpr0 |
| |
| ... |
| |
| # GCN-LABEL: name: hazard_inlineasm |
| # GCN: bb.0.entry: |
| # GCN: $m0 = S_MOV_B32 |
| # GFX9: S_NOP 0 |
| # VI-NOT: S_NOP_0 |
| # GCN: V_INTERP_P1_F32 |
| --- |
| name: hazard_inlineasm |
| alignment: 0 |
| exposesReturnsTwice: false |
| legalized: false |
| regBankSelected: false |
| selected: false |
| tracksRegLiveness: true |
| registers: |
| liveins: |
| - { reg: '$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 $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 |
| ... |
| |
| # 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 |
| ... |
| |
| # 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 |
| ... |