| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py |
| # RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=fiji -verify-machineinstrs -run-pass=prologepilog %s -o - | FileCheck %s |
| |
| # Test what happens when an SGPR is unavailable for the unused add |
| # carry out when materializing the frame index. |
| |
| |
| # There are truly no free SGPRs, so the entire frame index expansion |
| # needs to be inverted to restore the original frame register. |
| |
| --- |
| name: scavenge_sgpr_pei_no_sgprs |
| tracksRegLiveness: true |
| |
| stack: |
| - { id: 0, type: default, offset: 0, size: 4, alignment: 8192 } |
| - { id: 1, type: default, offset: 0, size: 4, alignment: 8192 } |
| |
| machineFunctionInfo: |
| isEntryFunction: false |
| scratchRSrcReg: $sgpr0_sgpr1_sgpr2_sgpr3 |
| frameOffsetReg: $sgpr33 |
| stackPtrOffsetReg: $sgpr32 |
| |
| body: | |
| bb.0: |
| liveins: $vgpr1 |
| |
| ; CHECK-LABEL: name: scavenge_sgpr_pei_no_sgprs |
| ; CHECK: liveins: $sgpr27, $vgpr1 |
| ; CHECK: $sgpr27 = frame-setup COPY $sgpr33 |
| ; CHECK: $sgpr33 = frame-setup S_ADD_U32 $sgpr32, 524224, implicit-def $scc |
| ; CHECK: $sgpr33 = frame-setup S_AND_B32 killed $sgpr33, 4294443008, implicit-def $scc |
| ; CHECK: $sgpr32 = frame-setup S_ADD_U32 $sgpr32, 1572864, implicit-def $scc |
| ; CHECK: S_NOP 0, implicit-def $sgpr4, implicit-def $sgpr5, implicit-def $sgpr6, implicit-def $sgpr7, implicit-def $sgpr8, implicit-def $sgpr9, implicit-def $sgpr10, implicit-def $sgpr11, implicit-def $sgpr12, implicit-def $sgpr13, implicit-def $sgpr14, implicit-def $sgpr15, implicit-def $sgpr16, implicit-def $sgpr17, implicit-def $sgpr18, implicit-def $sgpr19, implicit-def $sgpr20, implicit-def $sgpr21, implicit-def $sgpr22, implicit-def $sgpr23, implicit-def $sgpr24, implicit-def $sgpr25, implicit-def $sgpr26, implicit-def $sgpr17, implicit-def $sgpr28, implicit-def $sgpr29, implicit-def $sgpr30, implicit-def $sgpr31, implicit-def $vcc |
| ; CHECK: $vgpr0 = V_LSHRREV_B32_e64 6, $sgpr33, implicit $exec |
| ; CHECK: $sgpr33 = S_LSHR_B32 $sgpr33, 6, implicit-def $scc |
| ; CHECK: $sgpr33 = S_ADD_U32 killed $sgpr33, 8192, implicit-def $scc |
| ; CHECK: $vgpr2 = COPY killed $sgpr33 |
| ; CHECK: $sgpr33 = S_SUB_U32 killed $sgpr33, 8192, implicit-def $scc |
| ; CHECK: $sgpr33 = S_LSHL_B32 $sgpr33, 6, implicit-def $scc |
| ; CHECK: $vgpr0 = V_OR_B32_e32 killed $vgpr2, $vgpr1, implicit $exec, implicit $sgpr4, implicit $sgpr5, implicit $sgpr6, implicit $sgpr7, implicit $sgpr8, implicit $sgpr9, implicit $sgpr10, implicit $sgpr11, implicit $sgpr12, implicit $sgpr13, implicit $sgpr14, implicit $sgpr15, implicit $sgpr16, implicit $sgpr17, implicit $sgpr18, implicit $sgpr19, implicit $sgpr20, implicit $sgpr21, implicit $sgpr22, implicit $sgpr23, implicit $sgpr24, implicit $sgpr25, implicit $sgpr26, implicit $sgpr17, implicit $sgpr28, implicit $sgpr29, implicit $sgpr30, implicit $sgpr31 |
| ; CHECK: $sgpr32 = frame-destroy S_SUB_U32 $sgpr32, 1572864, implicit-def $scc |
| ; CHECK: $sgpr33 = frame-destroy COPY $sgpr27 |
| ; CHECK: S_ENDPGM 0, implicit $vcc |
| S_NOP 0, implicit-def $sgpr4, implicit-def $sgpr5, implicit-def $sgpr6, implicit-def $sgpr7, implicit-def $sgpr8, implicit-def $sgpr9, implicit-def $sgpr10, implicit-def $sgpr11, implicit-def $sgpr12, implicit-def $sgpr13, implicit-def $sgpr14, implicit-def $sgpr15, implicit-def $sgpr16, implicit-def $sgpr17, implicit-def $sgpr18, implicit-def $sgpr19, implicit-def $sgpr20, implicit-def $sgpr21, implicit-def $sgpr22, implicit-def $sgpr23, implicit-def $sgpr24, implicit-def $sgpr25, implicit-def $sgpr26, implicit-def $sgpr17, implicit-def $sgpr28, implicit-def $sgpr29, implicit-def $sgpr30, implicit-def $sgpr31, implicit-def $vcc |
| $vgpr0 = V_MOV_B32_e32 %stack.0, implicit $exec |
| $vgpr0 = V_OR_B32_e32 %stack.1, $vgpr1, implicit $exec, implicit $sgpr4, implicit $sgpr5, implicit $sgpr6, implicit $sgpr7, implicit $sgpr8, implicit $sgpr9, implicit $sgpr10, implicit $sgpr11, implicit $sgpr12, implicit $sgpr13, implicit $sgpr14, implicit $sgpr15, implicit $sgpr16, implicit $sgpr17, implicit $sgpr18, implicit $sgpr19, implicit $sgpr20, implicit $sgpr21, implicit $sgpr22, implicit $sgpr23, implicit $sgpr24, implicit $sgpr25, implicit $sgpr26, implicit $sgpr17, implicit $sgpr28, implicit $sgpr29, implicit $sgpr30, implicit $sgpr31 |
| S_ENDPGM 0, implicit $vcc |
| ... |
| |
| # One 32-bit SGPR is available for the intermediate scale computation, |
| # so only an extra copy to VALU is necessary. |
| |
| --- |
| name: scavenge_sgpr_pei_one_sgpr |
| tracksRegLiveness: true |
| |
| stack: |
| - { id: 0, type: default, offset: 0, size: 4, alignment: 8192 } |
| - { id: 1, type: default, offset: 0, size: 4, alignment: 8192 } |
| |
| machineFunctionInfo: |
| isEntryFunction: false |
| scratchRSrcReg: $sgpr0_sgpr1_sgpr2_sgpr3 |
| frameOffsetReg: $sgpr33 |
| stackPtrOffsetReg: $sgpr32 |
| |
| body: | |
| bb.0: |
| liveins: $vgpr1 |
| |
| ; CHECK-LABEL: name: scavenge_sgpr_pei_one_sgpr |
| ; CHECK: liveins: $sgpr27, $vgpr1 |
| ; CHECK: $sgpr27 = frame-setup COPY $sgpr33 |
| ; CHECK: $sgpr33 = frame-setup S_ADD_U32 $sgpr32, 524224, implicit-def $scc |
| ; CHECK: $sgpr33 = frame-setup S_AND_B32 killed $sgpr33, 4294443008, implicit-def $scc |
| ; CHECK: $sgpr32 = frame-setup S_ADD_U32 $sgpr32, 1572864, implicit-def $scc |
| ; CHECK: S_NOP 0, implicit-def $sgpr4, implicit-def $sgpr5, implicit-def $sgpr6, implicit-def $sgpr7, implicit-def $sgpr8, implicit-def $sgpr9, implicit-def $sgpr10, implicit-def $sgpr11, implicit-def $sgpr12, implicit-def $sgpr13, implicit-def $sgpr14, implicit-def $sgpr15, implicit-def $sgpr16, implicit-def $sgpr17, implicit-def $sgpr18, implicit-def $sgpr19, implicit-def $sgpr20, implicit-def $sgpr21, implicit-def $sgpr22, implicit-def $sgpr23, implicit-def $sgpr24, implicit-def $sgpr25, implicit-def $sgpr26, implicit-def $sgpr17, implicit-def $sgpr28, implicit-def $sgpr30, implicit-def $sgpr31, implicit-def $vcc |
| ; CHECK: $vgpr0 = V_LSHRREV_B32_e64 6, $sgpr33, implicit $exec |
| ; CHECK: $sgpr29 = S_LSHR_B32 $sgpr33, 6, implicit-def $scc |
| ; CHECK: $sgpr29 = S_ADD_U32 killed $sgpr29, 8192, implicit-def $scc |
| ; CHECK: $vgpr2 = COPY killed $sgpr29 |
| ; CHECK: $vgpr0 = V_OR_B32_e32 killed $vgpr2, $vgpr1, implicit $exec, implicit $sgpr4, implicit $sgpr5, implicit $sgpr6, implicit $sgpr7, implicit $sgpr8, implicit $sgpr9, implicit $sgpr10, implicit $sgpr11, implicit $sgpr12, implicit $sgpr13, implicit $sgpr14, implicit $sgpr15, implicit $sgpr16, implicit $sgpr17, implicit $sgpr18, implicit $sgpr19, implicit $sgpr20, implicit $sgpr21, implicit $sgpr22, implicit $sgpr23, implicit $sgpr24, implicit $sgpr25, implicit $sgpr26, implicit $sgpr17, implicit $sgpr28, implicit $sgpr31 |
| ; CHECK: $sgpr32 = frame-destroy S_SUB_U32 $sgpr32, 1572864, implicit-def $scc |
| ; CHECK: $sgpr33 = frame-destroy COPY $sgpr27 |
| ; CHECK: S_ENDPGM 0, implicit $vcc |
| S_NOP 0, implicit-def $sgpr4, implicit-def $sgpr5, implicit-def $sgpr6, implicit-def $sgpr7, implicit-def $sgpr8, implicit-def $sgpr9, implicit-def $sgpr10, implicit-def $sgpr11, implicit-def $sgpr12, implicit-def $sgpr13, implicit-def $sgpr14, implicit-def $sgpr15, implicit-def $sgpr16, implicit-def $sgpr17, implicit-def $sgpr18, implicit-def $sgpr19, implicit-def $sgpr20, implicit-def $sgpr21, implicit-def $sgpr22, implicit-def $sgpr23, implicit-def $sgpr24, implicit-def $sgpr25, implicit-def $sgpr26, implicit-def $sgpr17, implicit-def $sgpr28, implicit-def $sgpr30, implicit-def $sgpr31, implicit-def $vcc |
| $vgpr0 = V_MOV_B32_e32 %stack.0, implicit $exec |
| $vgpr0 = V_OR_B32_e32 %stack.1, $vgpr1, implicit $exec, implicit $sgpr4, implicit $sgpr5, implicit $sgpr6, implicit $sgpr7, implicit $sgpr8, implicit $sgpr9, implicit $sgpr10, implicit $sgpr11, implicit $sgpr12, implicit $sgpr13, implicit $sgpr14, implicit $sgpr15, implicit $sgpr16, implicit $sgpr17, implicit $sgpr18, implicit $sgpr19, implicit $sgpr20, implicit $sgpr21, implicit $sgpr22, implicit $sgpr23, implicit $sgpr24, implicit $sgpr25, implicit $sgpr26, implicit $sgpr17, implicit $sgpr28, implicit $sgpr31 |
| S_ENDPGM 0, implicit $vcc |
| ... |
| |
| # When only one 64-bit SGPR is available for the unused carry out pre gfx9, |
| # we must reuse one of the 32-bit SGPR sub-regs to materialize the offset. |
| |
| --- |
| name: scavenge_sgpr_pei_one_sgpr_64 |
| tracksRegLiveness: true |
| |
| stack: |
| - { id: 0, type: default, offset: 0, size: 4, alignment: 8192 } |
| - { id: 1, type: default, offset: 0, size: 4, alignment: 8192 } |
| |
| machineFunctionInfo: |
| isEntryFunction: false |
| scratchRSrcReg: $sgpr0_sgpr1_sgpr2_sgpr3 |
| frameOffsetReg: $sgpr33 |
| stackPtrOffsetReg: $sgpr32 |
| |
| body: | |
| bb.0: |
| liveins: $vgpr1 |
| |
| ; CHECK-LABEL: name: scavenge_sgpr_pei_one_sgpr_64 |
| ; CHECK: liveins: $sgpr27, $vgpr1 |
| ; CHECK: $sgpr27 = frame-setup COPY $sgpr33 |
| ; CHECK: $sgpr33 = frame-setup S_ADD_U32 $sgpr32, 524224, implicit-def $scc |
| ; CHECK: $sgpr33 = frame-setup S_AND_B32 killed $sgpr33, 4294443008, implicit-def $scc |
| ; CHECK: $sgpr32 = frame-setup S_ADD_U32 $sgpr32, 1572864, implicit-def $scc |
| ; CHECK: S_NOP 0, implicit-def $sgpr4, implicit-def $sgpr5, implicit-def $sgpr6, implicit-def $sgpr7, implicit-def $sgpr8, implicit-def $sgpr9, implicit-def $sgpr10, implicit-def $sgpr11, implicit-def $sgpr12, implicit-def $sgpr13, implicit-def $sgpr14, implicit-def $sgpr15, implicit-def $sgpr16, implicit-def $sgpr17, implicit-def $sgpr18, implicit-def $sgpr19, implicit-def $sgpr20, implicit-def $sgpr21, implicit-def $sgpr22, implicit-def $sgpr23, implicit-def $sgpr24, implicit-def $sgpr25, implicit-def $sgpr26, implicit-def $sgpr17, implicit-def $sgpr30, implicit-def $sgpr31, implicit-def $vcc |
| ; CHECK: $vgpr0 = V_LSHRREV_B32_e64 6, $sgpr33, implicit $exec |
| ; CHECK: $vgpr2 = V_LSHRREV_B32_e64 6, $sgpr33, implicit $exec |
| ; CHECK: $sgpr28 = S_MOV_B32 8192 |
| ; CHECK: $vgpr2, dead $sgpr28_sgpr29 = V_ADD_CO_U32_e64 killed $sgpr28, killed $vgpr2, 0, implicit $exec |
| ; CHECK: $vgpr0 = V_OR_B32_e32 killed $vgpr2, $vgpr1, implicit $exec, implicit $sgpr4, implicit $sgpr5, implicit $sgpr6, implicit $sgpr7, implicit $sgpr8, implicit $sgpr9, implicit $sgpr10, implicit $sgpr11, implicit $sgpr12, implicit $sgpr13, implicit $sgpr14, implicit $sgpr15, implicit $sgpr16, implicit $sgpr17, implicit $sgpr18, implicit $sgpr19, implicit $sgpr20, implicit $sgpr21, implicit $sgpr22, implicit $sgpr23, implicit $sgpr24, implicit $sgpr25, implicit $sgpr26, implicit $sgpr17, implicit $sgpr31 |
| ; CHECK: $sgpr32 = frame-destroy S_SUB_U32 $sgpr32, 1572864, implicit-def $scc |
| ; CHECK: $sgpr33 = frame-destroy COPY $sgpr27 |
| ; CHECK: S_ENDPGM 0, implicit $vcc |
| S_NOP 0, implicit-def $sgpr4, implicit-def $sgpr5, implicit-def $sgpr6, implicit-def $sgpr7, implicit-def $sgpr8, implicit-def $sgpr9, implicit-def $sgpr10, implicit-def $sgpr11, implicit-def $sgpr12, implicit-def $sgpr13, implicit-def $sgpr14, implicit-def $sgpr15, implicit-def $sgpr16, implicit-def $sgpr17, implicit-def $sgpr18, implicit-def $sgpr19, implicit-def $sgpr20, implicit-def $sgpr21, implicit-def $sgpr22, implicit-def $sgpr23, implicit-def $sgpr24, implicit-def $sgpr25, implicit-def $sgpr26, implicit-def $sgpr17, implicit-def $sgpr30, implicit-def $sgpr31, implicit-def $vcc |
| $vgpr0 = V_MOV_B32_e32 %stack.0, implicit $exec |
| $vgpr0 = V_OR_B32_e32 %stack.1, $vgpr1, implicit $exec, implicit $sgpr4, implicit $sgpr5, implicit $sgpr6, implicit $sgpr7, implicit $sgpr8, implicit $sgpr9, implicit $sgpr10, implicit $sgpr11, implicit $sgpr12, implicit $sgpr13, implicit $sgpr14, implicit $sgpr15, implicit $sgpr16, implicit $sgpr17, implicit $sgpr18, implicit $sgpr19, implicit $sgpr20, implicit $sgpr21, implicit $sgpr22, implicit $sgpr23, implicit $sgpr24, implicit $sgpr25, implicit $sgpr26, implicit $sgpr17, implicit $sgpr31 |
| S_ENDPGM 0, implicit $vcc |
| ... |
| |
| # Prefer to use vcc as unused carry out. |
| |
| --- |
| name: scavenge_sgpr_pei_prefer_vcc |
| tracksRegLiveness: true |
| |
| stack: |
| - { id: 0, type: default, offset: 0, size: 4, alignment: 8192 } |
| - { id: 1, type: default, offset: 0, size: 4, alignment: 8192 } |
| |
| machineFunctionInfo: |
| isEntryFunction: false |
| scratchRSrcReg: $sgpr0_sgpr1_sgpr2_sgpr3 |
| frameOffsetReg: $sgpr33 |
| stackPtrOffsetReg: $sgpr32 |
| |
| body: | |
| bb.0: |
| liveins: $vgpr1 |
| |
| ; CHECK-LABEL: name: scavenge_sgpr_pei_prefer_vcc |
| ; CHECK: liveins: $sgpr27, $vgpr1 |
| ; CHECK: $sgpr27 = frame-setup COPY $sgpr33 |
| ; CHECK: $sgpr33 = frame-setup S_ADD_U32 $sgpr32, 524224, implicit-def $scc |
| ; CHECK: $sgpr33 = frame-setup S_AND_B32 killed $sgpr33, 4294443008, implicit-def $scc |
| ; CHECK: $sgpr32 = frame-setup S_ADD_U32 $sgpr32, 1572864, implicit-def $scc |
| ; CHECK: S_NOP 0, implicit-def $sgpr4, implicit-def $sgpr5, implicit-def $sgpr6, implicit-def $sgpr7, implicit-def $sgpr8, implicit-def $sgpr9, implicit-def $sgpr10, implicit-def $sgpr11, implicit-def $sgpr12, implicit-def $sgpr13, implicit-def $sgpr14, implicit-def $sgpr15, implicit-def $sgpr16, implicit-def $sgpr17, implicit-def $sgpr18, implicit-def $sgpr19, implicit-def $sgpr20, implicit-def $sgpr21, implicit-def $sgpr22, implicit-def $sgpr23, implicit-def $sgpr24, implicit-def $sgpr25, implicit-def $sgpr26, implicit-def $sgpr17, implicit-def $sgpr30, implicit-def $sgpr31 |
| ; CHECK: $vgpr0 = V_LSHRREV_B32_e64 6, $sgpr33, implicit $exec |
| ; CHECK: $vgpr2 = V_LSHRREV_B32_e64 6, $sgpr33, implicit $exec |
| ; CHECK: $vcc_lo = S_MOV_B32 8192 |
| ; CHECK: $vgpr2, dead $vcc = V_ADD_CO_U32_e64 killed $vcc_lo, killed $vgpr2, 0, implicit $exec |
| ; CHECK: $vgpr0 = V_OR_B32_e32 killed $vgpr2, $vgpr1, implicit $exec, implicit $sgpr4, implicit $sgpr5, implicit $sgpr6, implicit $sgpr7, implicit $sgpr8, implicit $sgpr9, implicit $sgpr10, implicit $sgpr11, implicit $sgpr12, implicit $sgpr13, implicit $sgpr14, implicit $sgpr15, implicit $sgpr16, implicit $sgpr17, implicit $sgpr18, implicit $sgpr19, implicit $sgpr20, implicit $sgpr21, implicit $sgpr22, implicit $sgpr23, implicit $sgpr24, implicit $sgpr25, implicit $sgpr26, implicit $sgpr17, implicit $sgpr31 |
| ; CHECK: $sgpr32 = frame-destroy S_SUB_U32 $sgpr32, 1572864, implicit-def $scc |
| ; CHECK: $sgpr33 = frame-destroy COPY $sgpr27 |
| ; CHECK: S_ENDPGM 0 |
| S_NOP 0, implicit-def $sgpr4, implicit-def $sgpr5, implicit-def $sgpr6, implicit-def $sgpr7, implicit-def $sgpr8, implicit-def $sgpr9, implicit-def $sgpr10, implicit-def $sgpr11, implicit-def $sgpr12, implicit-def $sgpr13, implicit-def $sgpr14, implicit-def $sgpr15, implicit-def $sgpr16, implicit-def $sgpr17, implicit-def $sgpr18, implicit-def $sgpr19, implicit-def $sgpr20, implicit-def $sgpr21, implicit-def $sgpr22, implicit-def $sgpr23, implicit-def $sgpr24, implicit-def $sgpr25, implicit-def $sgpr26, implicit-def $sgpr17, implicit-def $sgpr30, implicit-def $sgpr31 |
| $vgpr0 = V_MOV_B32_e32 %stack.0, implicit $exec |
| $vgpr0 = V_OR_B32_e32 %stack.1, $vgpr1, implicit $exec, implicit $sgpr4, implicit $sgpr5, implicit $sgpr6, implicit $sgpr7, implicit $sgpr8, implicit $sgpr9, implicit $sgpr10, implicit $sgpr11, implicit $sgpr12, implicit $sgpr13, implicit $sgpr14, implicit $sgpr15, implicit $sgpr16, implicit $sgpr17, implicit $sgpr18, implicit $sgpr19, implicit $sgpr20, implicit $sgpr21, implicit $sgpr22, implicit $sgpr23, implicit $sgpr24, implicit $sgpr25, implicit $sgpr26, implicit $sgpr17, implicit $sgpr31 |
| S_ENDPGM 0 |
| ... |
