1# RUN: llc -march=amdgcn -mcpu=gfx900 -run-pass=si-late-branch-lowering -verify-machineinstrs %s -o - | FileCheck -check-prefixes=GCN,GFX9 %s 2# RUN: llc -march=amdgcn -mcpu=gfx1010 -mattr=-wavefrontsize32,+wavefrontsize64 -run-pass=si-late-branch-lowering -verify-machineinstrs %s -o - | FileCheck -check-prefixes=GCN,GFX10 %s 3 4--- | 5 define amdgpu_ps void @early_term_scc0_end_block() { 6 ret void 7 } 8 9 define amdgpu_ps void @early_term_scc0_next_terminator() { 10 ret void 11 } 12 13 define amdgpu_ps void @early_term_scc0_in_block() { 14 ret void 15 } 16 17 define amdgpu_gs void @early_term_scc0_gs() { 18 ret void 19 } 20 21 define amdgpu_cs void @early_term_scc0_cs() { 22 ret void 23 } 24 25 define amdgpu_ps void @early_term_no_export() #0 { 26 ret void 27 } 28 29 define amdgpu_ps void @early_term_depth_only() #1 { 30 ret void 31 } 32 33 attributes #0 = { "amdgpu-color-export"="0" "amdgpu-depth-export"="0" } 34 attributes #1 = { "amdgpu-color-export"="0" "amdgpu-depth-export"="1" } 35... 36 37--- 38name: early_term_scc0_end_block 39tracksRegLiveness: true 40liveins: 41 - { reg: '$sgpr0' } 42 - { reg: '$sgpr1' } 43body: | 44 ; GCN-LABEL: name: early_term_scc0_end_block 45 ; GCN: bb.0: 46 ; GCN: successors: %bb.1(0x80000000), %bb.2(0x00000000) 47 ; GCN: liveins: $sgpr0, $sgpr1 48 ; GCN: $vgpr0 = V_MOV_B32_e32 0, implicit $exec 49 ; GCN: dead $sgpr0 = S_AND_B32 $sgpr0, killed $sgpr1, implicit-def $scc 50 ; GCN: S_CBRANCH_SCC0 %bb.2, implicit $scc 51 ; GCN: bb.1: 52 ; GCN: liveins: $vgpr0 53 ; GCN: EXP_DONE 0, $vgpr0, $vgpr0, $vgpr0, $vgpr0, -1, -1, 15, implicit $exec 54 ; GCN: S_ENDPGM 0 55 ; GCN: bb.2: 56 ; GCN: $exec = S_MOV_B64 0 57 ; GCN: EXP_DONE 9, undef $vgpr0, undef $vgpr0, undef $vgpr0, undef $vgpr0, 1, 0, 0, implicit $exec 58 ; GCN: S_ENDPGM 0 59 bb.0: 60 liveins: $sgpr0, $sgpr1 61 successors: %bb.1 62 63 $vgpr0 = V_MOV_B32_e32 0, implicit $exec 64 dead $sgpr0 = S_AND_B32 $sgpr0, killed $sgpr1, implicit-def $scc 65 SI_EARLY_TERMINATE_SCC0 implicit $scc, implicit $exec 66 67 bb.1: 68 liveins: $vgpr0 69 EXP_DONE 0, $vgpr0, $vgpr0, $vgpr0, $vgpr0, -1, -1, 15, implicit $exec 70 S_ENDPGM 0 71... 72 73--- 74name: early_term_scc0_next_terminator 75tracksRegLiveness: true 76liveins: 77 - { reg: '$sgpr0' } 78 - { reg: '$sgpr1' } 79body: | 80 ; GCN-LABEL: name: early_term_scc0_next_terminator 81 ; GCN: bb.0: 82 ; GCN: successors: %bb.2(0x80000000), %bb.3(0x00000000) 83 ; GCN: liveins: $sgpr0, $sgpr1 84 ; GCN: $vgpr0 = V_MOV_B32_e32 0, implicit $exec 85 ; GCN: dead $sgpr0 = S_AND_B32 $sgpr0, killed $sgpr1, implicit-def $scc 86 ; GCN: S_CBRANCH_SCC0 %bb.3, implicit $scc 87 ; GCN: S_BRANCH %bb.2 88 ; GCN: bb.1: 89 ; GCN: successors: %bb.2(0x80000000) 90 ; GCN: $vgpr0 = V_MOV_B32_e32 1, implicit $exec 91 ; GCN: bb.2: 92 ; GCN: liveins: $vgpr0 93 ; GCN: EXP_DONE 0, $vgpr0, $vgpr0, $vgpr0, $vgpr0, -1, -1, 15, implicit $exec 94 ; GCN: S_ENDPGM 0 95 ; GCN: bb.3: 96 ; GCN: $exec = S_MOV_B64 0 97 ; GCN: EXP_DONE 9, undef $vgpr0, undef $vgpr0, undef $vgpr0, undef $vgpr0, 1, 0, 0, implicit $exec 98 ; GCN: S_ENDPGM 0 99 bb.0: 100 liveins: $sgpr0, $sgpr1 101 successors: %bb.2 102 103 $vgpr0 = V_MOV_B32_e32 0, implicit $exec 104 dead $sgpr0 = S_AND_B32 $sgpr0, killed $sgpr1, implicit-def $scc 105 SI_EARLY_TERMINATE_SCC0 implicit $scc, implicit $exec 106 S_BRANCH %bb.2 107 108 bb.1: 109 successors: %bb.2 110 $vgpr0 = V_MOV_B32_e32 1, implicit $exec 111 S_BRANCH %bb.2 112 113 bb.2: 114 liveins: $vgpr0 115 EXP_DONE 0, $vgpr0, $vgpr0, $vgpr0, $vgpr0, -1, -1, 15, implicit $exec 116 S_ENDPGM 0 117... 118 119--- 120name: early_term_scc0_in_block 121tracksRegLiveness: true 122liveins: 123 - { reg: '$sgpr0' } 124 - { reg: '$sgpr1' } 125body: | 126 ; GCN-LABEL: name: early_term_scc0_in_block 127 ; GCN: bb.0: 128 ; GCN: successors: %bb.3(0x40000000), %bb.2(0x40000000) 129 ; GCN: liveins: $sgpr0, $sgpr1 130 ; GCN: $vgpr0 = V_MOV_B32_e32 0, implicit $exec 131 ; GCN: dead $sgpr0 = S_AND_B32 $sgpr0, killed $sgpr1, implicit-def $scc 132 ; GCN: S_CBRANCH_SCC0 %bb.2, implicit $scc 133 ; GCN: bb.3: 134 ; GCN: successors: %bb.1(0x80000000) 135 ; GCN: liveins: $vgpr0, $scc 136 ; GCN: $vgpr1 = V_MOV_B32_e32 1, implicit $exec 137 ; GCN: bb.1: 138 ; GCN: liveins: $vgpr0, $vgpr1 139 ; GCN: EXP 1, $vgpr1, $vgpr1, $vgpr1, $vgpr1, -1, -1, 15, implicit $exec 140 ; GCN: EXP_DONE 0, $vgpr0, $vgpr0, $vgpr0, $vgpr0, -1, -1, 15, implicit $exec 141 ; GCN: S_ENDPGM 0 142 ; GCN: bb.2: 143 ; GCN: $exec = S_MOV_B64 0 144 ; GCN: EXP_DONE 9, undef $vgpr0, undef $vgpr0, undef $vgpr0, undef $vgpr0, 1, 0, 0, implicit $exec 145 ; GCN: S_ENDPGM 0 146 bb.0: 147 liveins: $sgpr0, $sgpr1 148 successors: %bb.1 149 150 $vgpr0 = V_MOV_B32_e32 0, implicit $exec 151 dead $sgpr0 = S_AND_B32 $sgpr0, killed $sgpr1, implicit-def $scc 152 SI_EARLY_TERMINATE_SCC0 implicit $scc, implicit $exec 153 $vgpr1 = V_MOV_B32_e32 1, implicit $exec 154 155 bb.1: 156 liveins: $vgpr0, $vgpr1 157 EXP 1, $vgpr1, $vgpr1, $vgpr1, $vgpr1, -1, -1, 15, implicit $exec 158 EXP_DONE 0, $vgpr0, $vgpr0, $vgpr0, $vgpr0, -1, -1, 15, implicit $exec 159 S_ENDPGM 0 160... 161 162--- 163name: early_term_scc0_gs 164tracksRegLiveness: true 165liveins: 166 - { reg: '$sgpr0' } 167 - { reg: '$sgpr1' } 168body: | 169 ; GCN-LABEL: name: early_term_scc0_gs 170 ; GCN: bb.0: 171 ; GCN: successors: %bb.1(0x80000000) 172 ; GCN: liveins: $sgpr0, $sgpr1 173 ; GCN: $vgpr0 = V_MOV_B32_e32 0, implicit $exec 174 ; GCN: dead $sgpr0 = S_AND_B32 $sgpr0, killed $sgpr1, implicit-def $scc 175 ; GCN: bb.1: 176 ; GCN: liveins: $vgpr0 177 ; GCN: S_ENDPGM 0 178 ; GCN: bb.2: 179 ; GCN: $exec = S_MOV_B64 0 180 ; GCN: S_ENDPGM 0 181 bb.0: 182 liveins: $sgpr0, $sgpr1 183 successors: %bb.1 184 185 $vgpr0 = V_MOV_B32_e32 0, implicit $exec 186 dead $sgpr0 = S_AND_B32 $sgpr0, killed $sgpr1, implicit-def $scc 187 SI_EARLY_TERMINATE_SCC0 implicit $scc, implicit $exec 188 189 bb.1: 190 liveins: $vgpr0 191 S_ENDPGM 0 192... 193 194--- 195name: early_term_scc0_cs 196tracksRegLiveness: true 197liveins: 198 - { reg: '$sgpr0' } 199 - { reg: '$sgpr1' } 200body: | 201 ; GCN-LABEL: name: early_term_scc0_cs 202 ; GCN: bb.0: 203 ; GCN: successors: %bb.1(0x80000000), %bb.2(0x00000000) 204 ; GCN: liveins: $sgpr0, $sgpr1 205 ; GCN: $vgpr0 = V_MOV_B32_e32 0, implicit $exec 206 ; GCN: dead $sgpr0 = S_AND_B32 $sgpr0, killed $sgpr1, implicit-def $scc 207 ; GCN: S_CBRANCH_SCC0 %bb.2, implicit $scc 208 ; GCN: bb.1: 209 ; GCN: liveins: $vgpr0 210 ; GCN: S_ENDPGM 0 211 ; GCN: bb.2: 212 ; GCN: $exec = S_MOV_B64 0 213 ; GCN: S_ENDPGM 0 214 bb.0: 215 liveins: $sgpr0, $sgpr1 216 successors: %bb.1 217 218 $vgpr0 = V_MOV_B32_e32 0, implicit $exec 219 dead $sgpr0 = S_AND_B32 $sgpr0, killed $sgpr1, implicit-def $scc 220 SI_EARLY_TERMINATE_SCC0 implicit $scc, implicit $exec 221 222 bb.1: 223 liveins: $vgpr0 224 S_ENDPGM 0 225... 226 227--- 228name: early_term_no_export 229tracksRegLiveness: true 230liveins: 231 - { reg: '$sgpr0' } 232 - { reg: '$sgpr1' } 233body: | 234 ; GCN-LABEL: name: early_term_no_export 235 ; GCN: bb.0: 236 ; GCN: successors: %bb.1(0x80000000), %bb.2(0x00000000) 237 ; GCN: liveins: $sgpr0, $sgpr1 238 ; GCN: $vgpr0 = V_MOV_B32_e32 0, implicit $exec 239 ; GCN: dead $sgpr0 = S_AND_B32 $sgpr0, killed $sgpr1, implicit-def $scc 240 ; GCN: S_CBRANCH_SCC0 %bb.2, implicit $scc 241 ; GCN: bb.1: 242 ; GCN: liveins: $vgpr0 243 ; GCN: EXP_DONE 0, $vgpr0, $vgpr0, $vgpr0, $vgpr0, -1, -1, 15, implicit $exec 244 ; GCN: S_ENDPGM 0 245 ; GCN: bb.2: 246 ; GCN: $exec = S_MOV_B64 0 247 ; GFX9: EXP_DONE 9, undef $vgpr0, undef $vgpr0, undef $vgpr0, undef $vgpr0, 1, 0, 0, implicit $exec 248 ; GFX10-NOT: EXP_DONE 249 ; GCN: S_ENDPGM 0 250 bb.0: 251 liveins: $sgpr0, $sgpr1 252 successors: %bb.1 253 254 $vgpr0 = V_MOV_B32_e32 0, implicit $exec 255 dead $sgpr0 = S_AND_B32 $sgpr0, killed $sgpr1, implicit-def $scc 256 SI_EARLY_TERMINATE_SCC0 implicit $scc, implicit $exec 257 258 bb.1: 259 liveins: $vgpr0 260 EXP_DONE 0, $vgpr0, $vgpr0, $vgpr0, $vgpr0, -1, -1, 15, implicit $exec 261 S_ENDPGM 0 262... 263 264--- 265name: early_term_depth_only 266tracksRegLiveness: true 267liveins: 268 - { reg: '$sgpr0' } 269 - { reg: '$sgpr1' } 270body: | 271 ; GCN-LABEL: name: early_term_depth_only 272 ; GCN: bb.0: 273 ; GCN: successors: %bb.1(0x80000000), %bb.2(0x00000000) 274 ; GCN: liveins: $sgpr0, $sgpr1 275 ; GCN: $vgpr0 = V_MOV_B32_e32 0, implicit $exec 276 ; GCN: dead $sgpr0 = S_AND_B32 $sgpr0, killed $sgpr1, implicit-def $scc 277 ; GCN: S_CBRANCH_SCC0 %bb.2, implicit $scc 278 ; GCN: bb.1: 279 ; GCN: liveins: $vgpr0 280 ; GCN: EXP_DONE 8, $vgpr0, $vgpr0, $vgpr0, $vgpr0, -1, -1, 15, implicit $exec 281 ; GCN: S_ENDPGM 0 282 ; GCN: bb.2: 283 ; GCN: $exec = S_MOV_B64 0 284 ; GFX9: EXP_DONE 9, undef $vgpr0, undef $vgpr0, undef $vgpr0, undef $vgpr0, 1, 0, 0, implicit $exec 285 ; GFX10: EXP_DONE 9, undef $vgpr0, undef $vgpr0, undef $vgpr0, undef $vgpr0, 1, 0, 0, implicit $exec 286 ; GFX11: EXP_DONE 8, undef $vgpr0, undef $vgpr0, undef $vgpr0, undef $vgpr0, 1, 0, 0, implicit $exec 287 ; GCN: S_ENDPGM 0 288 bb.0: 289 liveins: $sgpr0, $sgpr1 290 successors: %bb.1 291 292 $vgpr0 = V_MOV_B32_e32 0, implicit $exec 293 dead $sgpr0 = S_AND_B32 $sgpr0, killed $sgpr1, implicit-def $scc 294 SI_EARLY_TERMINATE_SCC0 implicit $scc, implicit $exec 295 296 bb.1: 297 liveins: $vgpr0 298 EXP_DONE 8, $vgpr0, $vgpr0, $vgpr0, $vgpr0, -1, -1, 15, implicit $exec 299 S_ENDPGM 0 300... 301