1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py 2# RUN: llc -verify-machineinstrs -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -run-pass=regallocfast -o - %s | FileCheck -check-prefix=GCN %s 3 4--- 5name: self_loop_single_def_use 6tracksRegLiveness: true 7machineFunctionInfo: 8 isEntryFunction: true 9 scratchRSrcReg: '$sgpr0_sgpr1_sgpr2_sgpr3' 10 stackPtrOffsetReg: '$sgpr32' 11body: | 12 ; GCN-LABEL: name: self_loop_single_def_use 13 ; GCN: bb.0: 14 ; GCN: successors: %bb.1(0x80000000) 15 ; GCN: liveins: $vgpr0_vgpr1 16 ; GCN: SI_SPILL_V64_SAVE killed $vgpr0_vgpr1, %stack.0, $sgpr32, 0, implicit $exec :: (store 8 into %stack.0, align 4, addrspace 5) 17 ; GCN: bb.1: 18 ; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000) 19 ; GCN: $vgpr0_vgpr1 = SI_SPILL_V64_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load 8 from %stack.0, align 4, addrspace 5) 20 ; GCN: renamable $vgpr2 = GLOBAL_LOAD_DWORD renamable $vgpr0_vgpr1, 0, 0, 0, 0, implicit $exec 21 ; GCN: GLOBAL_STORE_DWORD renamable $vgpr0_vgpr1, killed renamable $vgpr2, 0, 0, 0, 0, implicit $exec 22 ; GCN: S_CBRANCH_EXECZ %bb.1, implicit $exec 23 ; GCN: bb.2: 24 ; GCN: S_ENDPGM 0 25 bb.0: 26 liveins: $vgpr0_vgpr1 27 %0:vreg_64 = COPY $vgpr0_vgpr1 28 29 bb.1: 30 %1:vgpr_32 = GLOBAL_LOAD_DWORD %0, 0, 0, 0, 0, implicit $exec 31 GLOBAL_STORE_DWORD %0, %1, 0, 0, 0, 0, implicit $exec 32 S_CBRANCH_EXECZ %bb.1, implicit $exec 33 34 bb.2: 35 S_ENDPGM 0 36 37... 38 39--- 40name: self_loop_multi_def 41tracksRegLiveness: true 42machineFunctionInfo: 43 isEntryFunction: true 44 scratchRSrcReg: '$sgpr0_sgpr1_sgpr2_sgpr3' 45 stackPtrOffsetReg: '$sgpr32' 46body: | 47 ; GCN-LABEL: name: self_loop_multi_def 48 ; GCN: bb.0: 49 ; GCN: successors: %bb.1(0x80000000) 50 ; GCN: liveins: $vgpr0_vgpr1 51 ; GCN: SI_SPILL_V64_SAVE killed $vgpr0_vgpr1, %stack.0, $sgpr32, 0, implicit $exec :: (store 8 into %stack.0, align 4, addrspace 5) 52 ; GCN: bb.1: 53 ; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000) 54 ; GCN: $vgpr0_vgpr1 = SI_SPILL_V64_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load 8 from %stack.0, align 4, addrspace 5) 55 ; GCN: renamable $vgpr2 = GLOBAL_LOAD_DWORD renamable $vgpr0_vgpr1, 0, 0, 0, 0, implicit $exec 56 ; GCN: GLOBAL_STORE_DWORD renamable $vgpr0_vgpr1, renamable $vgpr2, 0, 0, 0, 0, implicit $exec 57 ; GCN: renamable $vgpr2 = GLOBAL_LOAD_DWORD renamable $vgpr0_vgpr1, 0, 0, 0, 0, implicit $exec 58 ; GCN: SI_SPILL_V32_SAVE $vgpr2, %stack.1, $sgpr32, 0, implicit $exec :: (store 4 into %stack.1, addrspace 5) 59 ; GCN: GLOBAL_STORE_DWORD renamable $vgpr0_vgpr1, renamable $vgpr2, 0, 0, 0, 0, implicit $exec 60 ; GCN: S_CBRANCH_EXECZ %bb.1, implicit $exec 61 ; GCN: bb.2: 62 ; GCN: S_ENDPGM 0 63 bb.0: 64 liveins: $vgpr0_vgpr1 65 %0:vreg_64 = COPY $vgpr0_vgpr1 66 67 bb.1: 68 %1:vgpr_32 = GLOBAL_LOAD_DWORD %0, 0, 0, 0, 0, implicit $exec 69 GLOBAL_STORE_DWORD %0, %1, 0, 0, 0, 0, implicit $exec 70 %1:vgpr_32 = GLOBAL_LOAD_DWORD %0, 0, 0, 0, 0, implicit $exec 71 GLOBAL_STORE_DWORD %0, %1, 0, 0, 0, 0, implicit $exec 72 S_CBRANCH_EXECZ %bb.1, implicit $exec 73 74 bb.2: 75 S_ENDPGM 0 76 77... 78 79# There's a single def inside the self loop, but it's also a use. 80 81--- 82name: self_loop_def_use_same_inst 83tracksRegLiveness: true 84machineFunctionInfo: 85 isEntryFunction: true 86 scratchRSrcReg: '$sgpr0_sgpr1_sgpr2_sgpr3' 87 stackPtrOffsetReg: '$sgpr32' 88body: | 89 ; GCN-LABEL: name: self_loop_def_use_same_inst 90 ; GCN: bb.0: 91 ; GCN: successors: %bb.1(0x80000000) 92 ; GCN: liveins: $vgpr0_vgpr1 93 ; GCN: SI_SPILL_V64_SAVE killed $vgpr0_vgpr1, %stack.0, $sgpr32, 0, implicit $exec :: (store 8 into %stack.0, align 4, addrspace 5) 94 ; GCN: bb.1: 95 ; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000) 96 ; GCN: $vgpr0_vgpr1 = SI_SPILL_V64_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load 8 from %stack.0, align 4, addrspace 5) 97 ; GCN: renamable $vgpr2 = V_ADD_U32_e32 1, undef $vgpr0, implicit $exec 98 ; GCN: SI_SPILL_V32_SAVE $vgpr2, %stack.1, $sgpr32, 0, implicit $exec :: (store 4 into %stack.1, addrspace 5) 99 ; GCN: GLOBAL_STORE_DWORD renamable $vgpr0_vgpr1, renamable $vgpr2, 0, 0, 0, 0, implicit $exec 100 ; GCN: S_CBRANCH_EXECZ %bb.1, implicit $exec 101 ; GCN: bb.2: 102 ; GCN: S_ENDPGM 0 103 bb.0: 104 liveins: $vgpr0_vgpr1 105 %0:vreg_64 = COPY $vgpr0_vgpr1 106 107 bb.1: 108 %1:vgpr_32 = V_ADD_U32_e32 1, undef %1, implicit $exec 109 GLOBAL_STORE_DWORD %0, %1, 0, 0, 0, 0, implicit $exec 110 S_CBRANCH_EXECZ %bb.1, implicit $exec 111 112 bb.2: 113 S_ENDPGM 0 114 115... 116 117--- 118name: self_loop_def_after_use 119tracksRegLiveness: true 120machineFunctionInfo: 121 isEntryFunction: true 122 scratchRSrcReg: '$sgpr0_sgpr1_sgpr2_sgpr3' 123 stackPtrOffsetReg: '$sgpr32' 124body: | 125 ; GCN-LABEL: name: self_loop_def_after_use 126 ; GCN: bb.0: 127 ; GCN: successors: %bb.1(0x80000000) 128 ; GCN: liveins: $vgpr0_vgpr1 129 ; GCN: SI_SPILL_V64_SAVE killed $vgpr0_vgpr1, %stack.0, $sgpr32, 0, implicit $exec :: (store 8 into %stack.0, align 4, addrspace 5) 130 ; GCN: bb.1: 131 ; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000) 132 ; GCN: $vgpr0_vgpr1 = SI_SPILL_V64_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load 8 from %stack.0, align 4, addrspace 5) 133 ; GCN: GLOBAL_STORE_DWORD renamable $vgpr0_vgpr1, undef renamable $vgpr0, 0, 0, 0, 0, implicit $exec 134 ; GCN: renamable $vgpr0 = V_ADD_U32_e64 1, 1, 0, implicit $exec 135 ; GCN: SI_SPILL_V32_SAVE killed $vgpr0, %stack.1, $sgpr32, 0, implicit $exec :: (store 4 into %stack.1, addrspace 5) 136 ; GCN: S_CBRANCH_EXECZ %bb.1, implicit $exec 137 ; GCN: bb.2: 138 ; GCN: S_ENDPGM 0 139 bb.0: 140 liveins: $vgpr0_vgpr1 141 %0:vreg_64 = COPY $vgpr0_vgpr1 142 143 bb.1: 144 GLOBAL_STORE_DWORD %0, undef %1, 0, 0, 0, 0, implicit $exec 145 %1:vgpr_32 = V_ADD_U32_e64 1, 1, 0, implicit $exec 146 S_CBRANCH_EXECZ %bb.1, implicit $exec 147 148 bb.2: 149 S_ENDPGM 0 150 151... 152 153--- 154name: self_loop_single_subreg_def_use 155tracksRegLiveness: true 156machineFunctionInfo: 157 isEntryFunction: true 158 scratchRSrcReg: '$sgpr0_sgpr1_sgpr2_sgpr3' 159 stackPtrOffsetReg: '$sgpr32' 160body: | 161 ; GCN-LABEL: name: self_loop_single_subreg_def_use 162 ; GCN: bb.0: 163 ; GCN: successors: %bb.1(0x80000000) 164 ; GCN: liveins: $vgpr0_vgpr1 165 ; GCN: SI_SPILL_V64_SAVE killed $vgpr0_vgpr1, %stack.0, $sgpr32, 0, implicit $exec :: (store 8 into %stack.0, align 4, addrspace 5) 166 ; GCN: bb.1: 167 ; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000) 168 ; GCN: $vgpr0_vgpr1 = SI_SPILL_V64_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load 8 from %stack.0, align 4, addrspace 5) 169 ; GCN: undef renamable $vgpr3 = GLOBAL_LOAD_DWORD renamable $vgpr0_vgpr1, 0, 0, 0, 0, implicit $exec, implicit-def dead $vgpr2_vgpr3 170 ; GCN: GLOBAL_STORE_DWORD renamable $vgpr0_vgpr1, undef renamable $vgpr1, 0, 0, 0, 0, implicit $exec 171 ; GCN: S_CBRANCH_EXECZ %bb.1, implicit $exec 172 ; GCN: bb.2: 173 ; GCN: S_ENDPGM 0 174 bb.0: 175 liveins: $vgpr0_vgpr1 176 %0:vreg_64 = COPY $vgpr0_vgpr1 177 178 bb.1: 179 undef %1.sub1:vreg_64 = GLOBAL_LOAD_DWORD %0, 0, 0, 0, 0, implicit $exec 180 GLOBAL_STORE_DWORD %0, undef %1.sub1, 0, 0, 0, 0, implicit $exec 181 S_CBRANCH_EXECZ %bb.1, implicit $exec 182 183 bb.2: 184 S_ENDPGM 0 185 186... 187