| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py |
| # RUN: llc -verify-machineinstrs -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -run-pass=regallocfast -o - %s | FileCheck -check-prefix=GCN %s |
| |
| --- |
| name: self_loop_single_def_use |
| tracksRegLiveness: true |
| machineFunctionInfo: |
| isEntryFunction: true |
| scratchRSrcReg: '$sgpr0_sgpr1_sgpr2_sgpr3' |
| stackPtrOffsetReg: '$sgpr32' |
| body: | |
| ; GCN-LABEL: name: self_loop_single_def_use |
| ; GCN: bb.0: |
| ; GCN: successors: %bb.1(0x80000000) |
| ; GCN: liveins: $vgpr0_vgpr1 |
| ; GCN: SI_SPILL_V64_SAVE killed $vgpr0_vgpr1, %stack.0, $sgpr32, 0, implicit $exec :: (store (s64) into %stack.0, align 4, addrspace 5) |
| ; GCN: bb.1: |
| ; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000) |
| ; GCN: $vgpr0_vgpr1 = SI_SPILL_V64_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load (s64) from %stack.0, align 4, addrspace 5) |
| ; GCN: renamable $vgpr2 = GLOBAL_LOAD_DWORD renamable $vgpr0_vgpr1, 0, 0, implicit $exec |
| ; GCN: GLOBAL_STORE_DWORD renamable $vgpr0_vgpr1, killed renamable $vgpr2, 0, 0, implicit $exec |
| ; GCN: S_CBRANCH_EXECZ %bb.1, implicit $exec |
| ; GCN: bb.2: |
| ; GCN: S_ENDPGM 0 |
| bb.0: |
| liveins: $vgpr0_vgpr1 |
| %0:vreg_64 = COPY $vgpr0_vgpr1 |
| |
| bb.1: |
| %1:vgpr_32 = GLOBAL_LOAD_DWORD %0, 0, 0, implicit $exec |
| GLOBAL_STORE_DWORD %0, %1, 0, 0, implicit $exec |
| S_CBRANCH_EXECZ %bb.1, implicit $exec |
| |
| bb.2: |
| S_ENDPGM 0 |
| |
| ... |
| |
| --- |
| name: self_loop_multi_def |
| tracksRegLiveness: true |
| machineFunctionInfo: |
| isEntryFunction: true |
| scratchRSrcReg: '$sgpr0_sgpr1_sgpr2_sgpr3' |
| stackPtrOffsetReg: '$sgpr32' |
| body: | |
| ; GCN-LABEL: name: self_loop_multi_def |
| ; GCN: bb.0: |
| ; GCN: successors: %bb.1(0x80000000) |
| ; GCN: liveins: $vgpr0_vgpr1 |
| ; GCN: SI_SPILL_V64_SAVE killed $vgpr0_vgpr1, %stack.0, $sgpr32, 0, implicit $exec :: (store (s64) into %stack.0, align 4, addrspace 5) |
| ; GCN: bb.1: |
| ; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000) |
| ; GCN: $vgpr0_vgpr1 = SI_SPILL_V64_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load (s64) from %stack.0, align 4, addrspace 5) |
| ; GCN: renamable $vgpr2 = GLOBAL_LOAD_DWORD renamable $vgpr0_vgpr1, 0, 0, implicit $exec |
| ; GCN: GLOBAL_STORE_DWORD renamable $vgpr0_vgpr1, renamable $vgpr2, 0, 0, implicit $exec |
| ; GCN: renamable $vgpr2 = GLOBAL_LOAD_DWORD renamable $vgpr0_vgpr1, 0, 0, implicit $exec |
| ; GCN: SI_SPILL_V32_SAVE $vgpr2, %stack.1, $sgpr32, 0, implicit $exec :: (store (s32) into %stack.1, addrspace 5) |
| ; GCN: GLOBAL_STORE_DWORD renamable $vgpr0_vgpr1, renamable $vgpr2, 0, 0, implicit $exec |
| ; GCN: S_CBRANCH_EXECZ %bb.1, implicit $exec |
| ; GCN: bb.2: |
| ; GCN: S_ENDPGM 0 |
| bb.0: |
| liveins: $vgpr0_vgpr1 |
| %0:vreg_64 = COPY $vgpr0_vgpr1 |
| |
| bb.1: |
| %1:vgpr_32 = GLOBAL_LOAD_DWORD %0, 0, 0, implicit $exec |
| GLOBAL_STORE_DWORD %0, %1, 0, 0, implicit $exec |
| %1:vgpr_32 = GLOBAL_LOAD_DWORD %0, 0, 0, implicit $exec |
| GLOBAL_STORE_DWORD %0, %1, 0, 0, implicit $exec |
| S_CBRANCH_EXECZ %bb.1, implicit $exec |
| |
| bb.2: |
| S_ENDPGM 0 |
| |
| ... |
| |
| # There's a single def inside the self loop, but it's also a use. |
| |
| --- |
| name: self_loop_def_use_same_inst |
| tracksRegLiveness: true |
| machineFunctionInfo: |
| isEntryFunction: true |
| scratchRSrcReg: '$sgpr0_sgpr1_sgpr2_sgpr3' |
| stackPtrOffsetReg: '$sgpr32' |
| body: | |
| ; GCN-LABEL: name: self_loop_def_use_same_inst |
| ; GCN: bb.0: |
| ; GCN: successors: %bb.1(0x80000000) |
| ; GCN: liveins: $vgpr0_vgpr1 |
| ; GCN: SI_SPILL_V64_SAVE killed $vgpr0_vgpr1, %stack.0, $sgpr32, 0, implicit $exec :: (store (s64) into %stack.0, align 4, addrspace 5) |
| ; GCN: bb.1: |
| ; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000) |
| ; GCN: $vgpr0_vgpr1 = SI_SPILL_V64_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load (s64) from %stack.0, align 4, addrspace 5) |
| ; GCN: renamable $vgpr2 = V_ADD_U32_e32 1, undef $vgpr0, implicit $exec |
| ; GCN: SI_SPILL_V32_SAVE $vgpr2, %stack.1, $sgpr32, 0, implicit $exec :: (store (s32) into %stack.1, addrspace 5) |
| ; GCN: GLOBAL_STORE_DWORD renamable $vgpr0_vgpr1, renamable $vgpr2, 0, 0, implicit $exec |
| ; GCN: S_CBRANCH_EXECZ %bb.1, implicit $exec |
| ; GCN: bb.2: |
| ; GCN: S_ENDPGM 0 |
| bb.0: |
| liveins: $vgpr0_vgpr1 |
| %0:vreg_64 = COPY $vgpr0_vgpr1 |
| |
| bb.1: |
| %1:vgpr_32 = V_ADD_U32_e32 1, undef %1, implicit $exec |
| GLOBAL_STORE_DWORD %0, %1, 0, 0, implicit $exec |
| S_CBRANCH_EXECZ %bb.1, implicit $exec |
| |
| bb.2: |
| S_ENDPGM 0 |
| |
| ... |
| |
| --- |
| name: self_loop_def_after_use |
| tracksRegLiveness: true |
| machineFunctionInfo: |
| isEntryFunction: true |
| scratchRSrcReg: '$sgpr0_sgpr1_sgpr2_sgpr3' |
| stackPtrOffsetReg: '$sgpr32' |
| body: | |
| ; GCN-LABEL: name: self_loop_def_after_use |
| ; GCN: bb.0: |
| ; GCN: successors: %bb.1(0x80000000) |
| ; GCN: liveins: $vgpr0_vgpr1 |
| ; GCN: SI_SPILL_V64_SAVE killed $vgpr0_vgpr1, %stack.0, $sgpr32, 0, implicit $exec :: (store (s64) into %stack.0, align 4, addrspace 5) |
| ; GCN: bb.1: |
| ; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000) |
| ; GCN: $vgpr0_vgpr1 = SI_SPILL_V64_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load (s64) from %stack.0, align 4, addrspace 5) |
| ; GCN: GLOBAL_STORE_DWORD renamable $vgpr0_vgpr1, undef renamable $vgpr0, 0, 0, implicit $exec |
| ; GCN: renamable $vgpr0 = V_ADD_U32_e64 1, 1, 0, implicit $exec |
| ; GCN: SI_SPILL_V32_SAVE killed $vgpr0, %stack.1, $sgpr32, 0, implicit $exec :: (store (s32) into %stack.1, addrspace 5) |
| ; GCN: S_CBRANCH_EXECZ %bb.1, implicit $exec |
| ; GCN: bb.2: |
| ; GCN: S_ENDPGM 0 |
| bb.0: |
| liveins: $vgpr0_vgpr1 |
| %0:vreg_64 = COPY $vgpr0_vgpr1 |
| |
| bb.1: |
| GLOBAL_STORE_DWORD %0, undef %1, 0, 0, implicit $exec |
| %1:vgpr_32 = V_ADD_U32_e64 1, 1, 0, implicit $exec |
| S_CBRANCH_EXECZ %bb.1, implicit $exec |
| |
| bb.2: |
| S_ENDPGM 0 |
| |
| ... |
| |
| --- |
| name: self_loop_single_subreg_def_use |
| tracksRegLiveness: true |
| machineFunctionInfo: |
| isEntryFunction: true |
| scratchRSrcReg: '$sgpr0_sgpr1_sgpr2_sgpr3' |
| stackPtrOffsetReg: '$sgpr32' |
| body: | |
| ; GCN-LABEL: name: self_loop_single_subreg_def_use |
| ; GCN: bb.0: |
| ; GCN: successors: %bb.1(0x80000000) |
| ; GCN: liveins: $vgpr0_vgpr1 |
| ; GCN: SI_SPILL_V64_SAVE killed $vgpr0_vgpr1, %stack.0, $sgpr32, 0, implicit $exec :: (store (s64) into %stack.0, align 4, addrspace 5) |
| ; GCN: bb.1: |
| ; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000) |
| ; GCN: $vgpr0_vgpr1 = SI_SPILL_V64_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load (s64) from %stack.0, align 4, addrspace 5) |
| ; GCN: undef renamable $vgpr3 = GLOBAL_LOAD_DWORD renamable $vgpr0_vgpr1, 0, 0, implicit $exec, implicit-def dead $vgpr2_vgpr3 |
| ; GCN: GLOBAL_STORE_DWORD renamable $vgpr0_vgpr1, undef renamable $vgpr1, 0, 0, implicit $exec |
| ; GCN: S_CBRANCH_EXECZ %bb.1, implicit $exec |
| ; GCN: bb.2: |
| ; GCN: S_ENDPGM 0 |
| bb.0: |
| liveins: $vgpr0_vgpr1 |
| %0:vreg_64 = COPY $vgpr0_vgpr1 |
| |
| bb.1: |
| undef %1.sub1:vreg_64 = GLOBAL_LOAD_DWORD %0, 0, 0, implicit $exec |
| GLOBAL_STORE_DWORD %0, undef %1.sub1, 0, 0, implicit $exec |
| S_CBRANCH_EXECZ %bb.1, implicit $exec |
| |
| bb.2: |
| S_ENDPGM 0 |
| |
| ... |