1 // Copyright (c) 2017 Valve Corporation 2 // Copyright (c) 2017 LunarG Inc. 3 // 4 // Licensed under the Apache License, Version 2.0 (the "License"); 5 // you may not use this file except in compliance with the License. 6 // You may obtain a copy of the License at 7 // 8 // http://www.apache.org/licenses/LICENSE-2.0 9 // 10 // Unless required by applicable law or agreed to in writing, software 11 // distributed under the License is distributed on an "AS IS" BASIS, 12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 // See the License for the specific language governing permissions and 14 // limitations under the License. 15 16 #include <memory> 17 #include <string> 18 #include <vector> 19 20 #include "test/opt/pass_fixture.h" 21 #include "test/opt/pass_utils.h" 22 23 namespace spvtools { 24 namespace opt { 25 namespace { 26 27 using ProcessLinesTest = PassTest<::testing::Test>; 28 29 TEST_F(ProcessLinesTest, SimplePropagation) { 30 // Texture2D g_tColor[128]; 31 // 32 // layout(push_constant) cbuffer PerViewConstantBuffer_t 33 // { 34 // uint g_nDataIdx; 35 // uint g_nDataIdx2; 36 // bool g_B; 37 // }; 38 // 39 // SamplerState g_sAniso; 40 // 41 // struct PS_INPUT 42 // { 43 // float2 vTextureCoords : TEXCOORD2; 44 // }; 45 // 46 // struct PS_OUTPUT 47 // { 48 // float4 vColor : SV_Target0; 49 // }; 50 // 51 // PS_OUTPUT MainPs(PS_INPUT i) 52 // { 53 // PS_OUTPUT ps_output; 54 // 55 // uint u; 56 // if (g_B) 57 // u = g_nDataIdx; 58 // else 59 // u = g_nDataIdx2; 60 // ps_output.vColor = g_tColor[u].Sample(g_sAniso, i.vTextureCoords.xy); 61 // return ps_output; 62 // } 63 64 const std::string predefs = 65 R"(OpCapability Shader 66 %1 = OpExtInstImport "GLSL.std.450" 67 OpMemoryModel Logical GLSL450 68 OpEntryPoint Fragment %MainPs "MainPs" %i_vTextureCoords %_entryPointOutput_vColor 69 OpExecutionMode %MainPs OriginUpperLeft 70 %5 = OpString "foo.frag" 71 OpSource HLSL 500 72 OpName %MainPs "MainPs" 73 OpName %PS_INPUT "PS_INPUT" 74 OpMemberName %PS_INPUT 0 "vTextureCoords" 75 OpName %PS_OUTPUT "PS_OUTPUT" 76 OpMemberName %PS_OUTPUT 0 "vColor" 77 OpName %_MainPs_struct_PS_INPUT_vf21_ "@MainPs(struct-PS_INPUT-vf21;" 78 OpName %i "i" 79 OpName %PerViewConstantBuffer_t "PerViewConstantBuffer_t" 80 OpMemberName %PerViewConstantBuffer_t 0 "g_nDataIdx" 81 OpMemberName %PerViewConstantBuffer_t 1 "g_nDataIdx2" 82 OpMemberName %PerViewConstantBuffer_t 2 "g_B" 83 OpName %_ "" 84 OpName %u "u" 85 OpName %ps_output "ps_output" 86 OpName %g_tColor "g_tColor" 87 OpName %g_sAniso "g_sAniso" 88 OpName %i_0 "i" 89 OpName %i_vTextureCoords "i.vTextureCoords" 90 OpName %_entryPointOutput_vColor "@entryPointOutput.vColor" 91 OpName %param "param" 92 OpMemberDecorate %PerViewConstantBuffer_t 0 Offset 0 93 OpMemberDecorate %PerViewConstantBuffer_t 1 Offset 4 94 OpMemberDecorate %PerViewConstantBuffer_t 2 Offset 8 95 OpDecorate %PerViewConstantBuffer_t Block 96 OpDecorate %g_tColor DescriptorSet 0 97 OpDecorate %g_sAniso DescriptorSet 0 98 OpDecorate %i_vTextureCoords Location 0 99 OpDecorate %_entryPointOutput_vColor Location 0 100 )"; 101 102 const std::string before = 103 R"(%void = OpTypeVoid 104 %19 = OpTypeFunction %void 105 %float = OpTypeFloat 32 106 %v2float = OpTypeVector %float 2 107 %PS_INPUT = OpTypeStruct %v2float 108 %_ptr_Function_PS_INPUT = OpTypePointer Function %PS_INPUT 109 %v4float = OpTypeVector %float 4 110 %PS_OUTPUT = OpTypeStruct %v4float 111 %24 = OpTypeFunction %PS_OUTPUT %_ptr_Function_PS_INPUT 112 %uint = OpTypeInt 32 0 113 %PerViewConstantBuffer_t = OpTypeStruct %uint %uint %uint 114 %_ptr_PushConstant_PerViewConstantBuffer_t = OpTypePointer PushConstant %PerViewConstantBuffer_t 115 %_ = OpVariable %_ptr_PushConstant_PerViewConstantBuffer_t PushConstant 116 %int = OpTypeInt 32 1 117 %int_2 = OpConstant %int 2 118 %_ptr_PushConstant_uint = OpTypePointer PushConstant %uint 119 %bool = OpTypeBool 120 %uint_0 = OpConstant %uint 0 121 %_ptr_Function_uint = OpTypePointer Function %uint 122 %int_0 = OpConstant %int 0 123 %int_1 = OpConstant %int 1 124 %_ptr_Function_PS_OUTPUT = OpTypePointer Function %PS_OUTPUT 125 %36 = OpTypeImage %float 2D 0 0 0 1 Unknown 126 %uint_128 = OpConstant %uint 128 127 %_arr_36_uint_128 = OpTypeArray %36 %uint_128 128 %_ptr_UniformConstant__arr_36_uint_128 = OpTypePointer UniformConstant %_arr_36_uint_128 129 %g_tColor = OpVariable %_ptr_UniformConstant__arr_36_uint_128 UniformConstant 130 %_ptr_UniformConstant_36 = OpTypePointer UniformConstant %36 131 %41 = OpTypeSampler 132 %_ptr_UniformConstant_41 = OpTypePointer UniformConstant %41 133 %g_sAniso = OpVariable %_ptr_UniformConstant_41 UniformConstant 134 %43 = OpTypeSampledImage %36 135 %_ptr_Function_v2float = OpTypePointer Function %v2float 136 %_ptr_Function_v4float = OpTypePointer Function %v4float 137 %_ptr_Input_v2float = OpTypePointer Input %v2float 138 %i_vTextureCoords = OpVariable %_ptr_Input_v2float Input 139 %_ptr_Output_v4float = OpTypePointer Output %v4float 140 %_entryPointOutput_vColor = OpVariable %_ptr_Output_v4float Output 141 %MainPs = OpFunction %void None %19 142 %48 = OpLabel 143 %i_0 = OpVariable %_ptr_Function_PS_INPUT Function 144 %param = OpVariable %_ptr_Function_PS_INPUT Function 145 OpLine %5 23 0 146 %49 = OpLoad %v2float %i_vTextureCoords 147 %50 = OpAccessChain %_ptr_Function_v2float %i_0 %int_0 148 OpStore %50 %49 149 %51 = OpLoad %PS_INPUT %i_0 150 OpStore %param %51 151 %52 = OpFunctionCall %PS_OUTPUT %_MainPs_struct_PS_INPUT_vf21_ %param 152 %53 = OpCompositeExtract %v4float %52 0 153 OpStore %_entryPointOutput_vColor %53 154 OpReturn 155 OpFunctionEnd 156 %_MainPs_struct_PS_INPUT_vf21_ = OpFunction %PS_OUTPUT None %24 157 %i = OpFunctionParameter %_ptr_Function_PS_INPUT 158 %54 = OpLabel 159 %u = OpVariable %_ptr_Function_uint Function 160 %ps_output = OpVariable %_ptr_Function_PS_OUTPUT Function 161 OpLine %5 27 0 162 %55 = OpAccessChain %_ptr_PushConstant_uint %_ %int_2 163 %56 = OpLoad %uint %55 164 %57 = OpINotEqual %bool %56 %uint_0 165 OpSelectionMerge %58 None 166 OpBranchConditional %57 %59 %60 167 %59 = OpLabel 168 OpLine %5 28 0 169 %61 = OpAccessChain %_ptr_PushConstant_uint %_ %int_0 170 %62 = OpLoad %uint %61 171 OpStore %u %62 172 OpBranch %58 173 %60 = OpLabel 174 OpLine %5 30 0 175 %63 = OpAccessChain %_ptr_PushConstant_uint %_ %int_1 176 %64 = OpLoad %uint %63 177 OpStore %u %64 178 OpBranch %58 179 %58 = OpLabel 180 OpLine %5 31 0 181 %65 = OpLoad %uint %u 182 %66 = OpAccessChain %_ptr_UniformConstant_36 %g_tColor %65 183 %67 = OpLoad %36 %66 184 %68 = OpLoad %41 %g_sAniso 185 %69 = OpSampledImage %43 %67 %68 186 %70 = OpAccessChain %_ptr_Function_v2float %i %int_0 187 %71 = OpLoad %v2float %70 188 %72 = OpImageSampleImplicitLod %v4float %69 %71 189 %73 = OpAccessChain %_ptr_Function_v4float %ps_output %int_0 190 OpStore %73 %72 191 OpLine %5 32 0 192 %74 = OpLoad %PS_OUTPUT %ps_output 193 OpReturnValue %74 194 OpFunctionEnd 195 )"; 196 197 const std::string after = 198 R"(OpNoLine 199 %void = OpTypeVoid 200 OpNoLine 201 %19 = OpTypeFunction %void 202 OpNoLine 203 %float = OpTypeFloat 32 204 OpNoLine 205 %v2float = OpTypeVector %float 2 206 OpNoLine 207 %PS_INPUT = OpTypeStruct %v2float 208 OpNoLine 209 %_ptr_Function_PS_INPUT = OpTypePointer Function %PS_INPUT 210 OpNoLine 211 %v4float = OpTypeVector %float 4 212 OpNoLine 213 %PS_OUTPUT = OpTypeStruct %v4float 214 OpNoLine 215 %24 = OpTypeFunction %PS_OUTPUT %_ptr_Function_PS_INPUT 216 OpNoLine 217 %uint = OpTypeInt 32 0 218 OpNoLine 219 %PerViewConstantBuffer_t = OpTypeStruct %uint %uint %uint 220 OpNoLine 221 %_ptr_PushConstant_PerViewConstantBuffer_t = OpTypePointer PushConstant %PerViewConstantBuffer_t 222 OpNoLine 223 %_ = OpVariable %_ptr_PushConstant_PerViewConstantBuffer_t PushConstant 224 OpNoLine 225 %int = OpTypeInt 32 1 226 OpNoLine 227 %int_2 = OpConstant %int 2 228 OpNoLine 229 %_ptr_PushConstant_uint = OpTypePointer PushConstant %uint 230 OpNoLine 231 %bool = OpTypeBool 232 OpNoLine 233 %uint_0 = OpConstant %uint 0 234 OpNoLine 235 %_ptr_Function_uint = OpTypePointer Function %uint 236 OpNoLine 237 %int_0 = OpConstant %int 0 238 OpNoLine 239 %int_1 = OpConstant %int 1 240 OpNoLine 241 %_ptr_Function_PS_OUTPUT = OpTypePointer Function %PS_OUTPUT 242 OpNoLine 243 %36 = OpTypeImage %float 2D 0 0 0 1 Unknown 244 OpNoLine 245 %uint_128 = OpConstant %uint 128 246 OpNoLine 247 %_arr_36_uint_128 = OpTypeArray %36 %uint_128 248 OpNoLine 249 %_ptr_UniformConstant__arr_36_uint_128 = OpTypePointer UniformConstant %_arr_36_uint_128 250 OpNoLine 251 %g_tColor = OpVariable %_ptr_UniformConstant__arr_36_uint_128 UniformConstant 252 OpNoLine 253 %_ptr_UniformConstant_36 = OpTypePointer UniformConstant %36 254 OpNoLine 255 %41 = OpTypeSampler 256 OpNoLine 257 %_ptr_UniformConstant_41 = OpTypePointer UniformConstant %41 258 OpNoLine 259 %g_sAniso = OpVariable %_ptr_UniformConstant_41 UniformConstant 260 OpNoLine 261 %43 = OpTypeSampledImage %36 262 OpNoLine 263 %_ptr_Function_v2float = OpTypePointer Function %v2float 264 OpNoLine 265 %_ptr_Function_v4float = OpTypePointer Function %v4float 266 OpNoLine 267 %_ptr_Input_v2float = OpTypePointer Input %v2float 268 OpNoLine 269 %i_vTextureCoords = OpVariable %_ptr_Input_v2float Input 270 OpNoLine 271 %_ptr_Output_v4float = OpTypePointer Output %v4float 272 OpNoLine 273 %_entryPointOutput_vColor = OpVariable %_ptr_Output_v4float Output 274 OpNoLine 275 %MainPs = OpFunction %void None %19 276 OpNoLine 277 %48 = OpLabel 278 OpNoLine 279 %i_0 = OpVariable %_ptr_Function_PS_INPUT Function 280 OpNoLine 281 %param = OpVariable %_ptr_Function_PS_INPUT Function 282 OpLine %5 23 0 283 %49 = OpLoad %v2float %i_vTextureCoords 284 OpLine %5 23 0 285 %50 = OpAccessChain %_ptr_Function_v2float %i_0 %int_0 286 OpLine %5 23 0 287 OpStore %50 %49 288 OpLine %5 23 0 289 %51 = OpLoad %PS_INPUT %i_0 290 OpLine %5 23 0 291 OpStore %param %51 292 OpLine %5 23 0 293 %52 = OpFunctionCall %PS_OUTPUT %_MainPs_struct_PS_INPUT_vf21_ %param 294 OpLine %5 23 0 295 %53 = OpCompositeExtract %v4float %52 0 296 OpLine %5 23 0 297 OpStore %_entryPointOutput_vColor %53 298 OpLine %5 23 0 299 OpReturn 300 OpNoLine 301 OpFunctionEnd 302 OpNoLine 303 %_MainPs_struct_PS_INPUT_vf21_ = OpFunction %PS_OUTPUT None %24 304 OpNoLine 305 %i = OpFunctionParameter %_ptr_Function_PS_INPUT 306 OpNoLine 307 %54 = OpLabel 308 OpNoLine 309 %u = OpVariable %_ptr_Function_uint Function 310 OpNoLine 311 %ps_output = OpVariable %_ptr_Function_PS_OUTPUT Function 312 OpLine %5 27 0 313 %55 = OpAccessChain %_ptr_PushConstant_uint %_ %int_2 314 OpLine %5 27 0 315 %56 = OpLoad %uint %55 316 OpLine %5 27 0 317 %57 = OpINotEqual %bool %56 %uint_0 318 OpLine %5 27 0 319 OpSelectionMerge %58 None 320 OpBranchConditional %57 %59 %60 321 OpNoLine 322 %59 = OpLabel 323 OpLine %5 28 0 324 %61 = OpAccessChain %_ptr_PushConstant_uint %_ %int_0 325 OpLine %5 28 0 326 %62 = OpLoad %uint %61 327 OpLine %5 28 0 328 OpStore %u %62 329 OpLine %5 28 0 330 OpBranch %58 331 OpNoLine 332 %60 = OpLabel 333 OpLine %5 30 0 334 %63 = OpAccessChain %_ptr_PushConstant_uint %_ %int_1 335 OpLine %5 30 0 336 %64 = OpLoad %uint %63 337 OpLine %5 30 0 338 OpStore %u %64 339 OpLine %5 30 0 340 OpBranch %58 341 OpNoLine 342 %58 = OpLabel 343 OpLine %5 31 0 344 %65 = OpLoad %uint %u 345 OpLine %5 31 0 346 %66 = OpAccessChain %_ptr_UniformConstant_36 %g_tColor %65 347 OpLine %5 31 0 348 %67 = OpLoad %36 %66 349 OpLine %5 31 0 350 %68 = OpLoad %41 %g_sAniso 351 OpLine %5 31 0 352 %69 = OpSampledImage %43 %67 %68 353 OpLine %5 31 0 354 %70 = OpAccessChain %_ptr_Function_v2float %i %int_0 355 OpLine %5 31 0 356 %71 = OpLoad %v2float %70 357 OpLine %5 31 0 358 %72 = OpImageSampleImplicitLod %v4float %69 %71 359 OpLine %5 31 0 360 %73 = OpAccessChain %_ptr_Function_v4float %ps_output %int_0 361 OpLine %5 31 0 362 OpStore %73 %72 363 OpLine %5 32 0 364 %74 = OpLoad %PS_OUTPUT %ps_output 365 OpLine %5 32 0 366 OpReturnValue %74 367 OpNoLine 368 OpFunctionEnd 369 )"; 370 371 SinglePassRunAndCheck<ProcessLinesPass>(predefs + before, predefs + after, 372 false, true, kLinesPropagateLines); 373 } 374 375 TEST_F(ProcessLinesTest, SimpleElimination) { 376 // Previous test with before and after reversed 377 378 const std::string predefs = 379 R"(OpCapability Shader 380 %1 = OpExtInstImport "GLSL.std.450" 381 OpMemoryModel Logical GLSL450 382 OpEntryPoint Fragment %MainPs "MainPs" %i_vTextureCoords %_entryPointOutput_vColor 383 OpExecutionMode %MainPs OriginUpperLeft 384 %5 = OpString "foo.frag" 385 OpSource HLSL 500 386 OpName %MainPs "MainPs" 387 OpName %PS_INPUT "PS_INPUT" 388 OpMemberName %PS_INPUT 0 "vTextureCoords" 389 OpName %PS_OUTPUT "PS_OUTPUT" 390 OpMemberName %PS_OUTPUT 0 "vColor" 391 OpName %_MainPs_struct_PS_INPUT_vf21_ "@MainPs(struct-PS_INPUT-vf21;" 392 OpName %i "i" 393 OpName %PerViewConstantBuffer_t "PerViewConstantBuffer_t" 394 OpMemberName %PerViewConstantBuffer_t 0 "g_nDataIdx" 395 OpMemberName %PerViewConstantBuffer_t 1 "g_nDataIdx2" 396 OpMemberName %PerViewConstantBuffer_t 2 "g_B" 397 OpName %_ "" 398 OpName %u "u" 399 OpName %ps_output "ps_output" 400 OpName %g_tColor "g_tColor" 401 OpName %g_sAniso "g_sAniso" 402 OpName %i_0 "i" 403 OpName %i_vTextureCoords "i.vTextureCoords" 404 OpName %_entryPointOutput_vColor "@entryPointOutput.vColor" 405 OpName %param "param" 406 OpMemberDecorate %PerViewConstantBuffer_t 0 Offset 0 407 OpMemberDecorate %PerViewConstantBuffer_t 1 Offset 4 408 OpMemberDecorate %PerViewConstantBuffer_t 2 Offset 8 409 OpDecorate %PerViewConstantBuffer_t Block 410 OpDecorate %g_tColor DescriptorSet 0 411 OpDecorate %g_sAniso DescriptorSet 0 412 OpDecorate %i_vTextureCoords Location 0 413 OpDecorate %_entryPointOutput_vColor Location 0 414 )"; 415 416 const std::string before = 417 R"(OpNoLine 418 %void = OpTypeVoid 419 OpNoLine 420 %19 = OpTypeFunction %void 421 OpNoLine 422 %float = OpTypeFloat 32 423 OpNoLine 424 %v2float = OpTypeVector %float 2 425 OpNoLine 426 %PS_INPUT = OpTypeStruct %v2float 427 OpNoLine 428 %_ptr_Function_PS_INPUT = OpTypePointer Function %PS_INPUT 429 OpNoLine 430 %v4float = OpTypeVector %float 4 431 OpNoLine 432 %PS_OUTPUT = OpTypeStruct %v4float 433 OpNoLine 434 %24 = OpTypeFunction %PS_OUTPUT %_ptr_Function_PS_INPUT 435 OpNoLine 436 %uint = OpTypeInt 32 0 437 OpNoLine 438 %PerViewConstantBuffer_t = OpTypeStruct %uint %uint %uint 439 OpNoLine 440 %_ptr_PushConstant_PerViewConstantBuffer_t = OpTypePointer PushConstant %PerViewConstantBuffer_t 441 OpNoLine 442 %_ = OpVariable %_ptr_PushConstant_PerViewConstantBuffer_t PushConstant 443 OpNoLine 444 %int = OpTypeInt 32 1 445 OpNoLine 446 %int_2 = OpConstant %int 2 447 OpNoLine 448 %_ptr_PushConstant_uint = OpTypePointer PushConstant %uint 449 OpNoLine 450 %bool = OpTypeBool 451 OpNoLine 452 %uint_0 = OpConstant %uint 0 453 OpNoLine 454 %_ptr_Function_uint = OpTypePointer Function %uint 455 OpNoLine 456 %int_0 = OpConstant %int 0 457 OpNoLine 458 %int_1 = OpConstant %int 1 459 OpNoLine 460 %_ptr_Function_PS_OUTPUT = OpTypePointer Function %PS_OUTPUT 461 OpNoLine 462 %36 = OpTypeImage %float 2D 0 0 0 1 Unknown 463 OpNoLine 464 %uint_128 = OpConstant %uint 128 465 OpNoLine 466 %_arr_36_uint_128 = OpTypeArray %36 %uint_128 467 OpNoLine 468 %_ptr_UniformConstant__arr_36_uint_128 = OpTypePointer UniformConstant %_arr_36_uint_128 469 OpNoLine 470 %g_tColor = OpVariable %_ptr_UniformConstant__arr_36_uint_128 UniformConstant 471 OpNoLine 472 %_ptr_UniformConstant_36 = OpTypePointer UniformConstant %36 473 OpNoLine 474 %41 = OpTypeSampler 475 OpNoLine 476 %_ptr_UniformConstant_41 = OpTypePointer UniformConstant %41 477 OpNoLine 478 %g_sAniso = OpVariable %_ptr_UniformConstant_41 UniformConstant 479 OpNoLine 480 %43 = OpTypeSampledImage %36 481 OpNoLine 482 %_ptr_Function_v2float = OpTypePointer Function %v2float 483 OpNoLine 484 %_ptr_Function_v4float = OpTypePointer Function %v4float 485 OpNoLine 486 %_ptr_Input_v2float = OpTypePointer Input %v2float 487 OpNoLine 488 %i_vTextureCoords = OpVariable %_ptr_Input_v2float Input 489 OpNoLine 490 %_ptr_Output_v4float = OpTypePointer Output %v4float 491 OpNoLine 492 %_entryPointOutput_vColor = OpVariable %_ptr_Output_v4float Output 493 OpNoLine 494 %MainPs = OpFunction %void None %19 495 OpNoLine 496 %48 = OpLabel 497 OpNoLine 498 %i_0 = OpVariable %_ptr_Function_PS_INPUT Function 499 OpNoLine 500 %param = OpVariable %_ptr_Function_PS_INPUT Function 501 OpLine %5 23 0 502 %49 = OpLoad %v2float %i_vTextureCoords 503 OpLine %5 23 0 504 %50 = OpAccessChain %_ptr_Function_v2float %i_0 %int_0 505 OpLine %5 23 0 506 OpStore %50 %49 507 OpLine %5 23 0 508 %51 = OpLoad %PS_INPUT %i_0 509 OpLine %5 23 0 510 OpStore %param %51 511 OpLine %5 23 0 512 %52 = OpFunctionCall %PS_OUTPUT %_MainPs_struct_PS_INPUT_vf21_ %param 513 OpLine %5 23 0 514 %53 = OpCompositeExtract %v4float %52 0 515 OpLine %5 23 0 516 OpStore %_entryPointOutput_vColor %53 517 OpLine %5 23 0 518 OpReturn 519 OpNoLine 520 OpFunctionEnd 521 OpNoLine 522 %_MainPs_struct_PS_INPUT_vf21_ = OpFunction %PS_OUTPUT None %24 523 OpNoLine 524 %i = OpFunctionParameter %_ptr_Function_PS_INPUT 525 OpNoLine 526 %54 = OpLabel 527 OpNoLine 528 %u = OpVariable %_ptr_Function_uint Function 529 OpNoLine 530 %ps_output = OpVariable %_ptr_Function_PS_OUTPUT Function 531 OpLine %5 27 0 532 %55 = OpAccessChain %_ptr_PushConstant_uint %_ %int_2 533 OpLine %5 27 0 534 %56 = OpLoad %uint %55 535 OpLine %5 27 0 536 %57 = OpINotEqual %bool %56 %uint_0 537 OpLine %5 27 0 538 OpSelectionMerge %58 None 539 OpBranchConditional %57 %59 %60 540 OpNoLine 541 %59 = OpLabel 542 OpLine %5 28 0 543 %61 = OpAccessChain %_ptr_PushConstant_uint %_ %int_0 544 OpLine %5 28 0 545 %62 = OpLoad %uint %61 546 OpLine %5 28 0 547 OpStore %u %62 548 OpLine %5 28 0 549 OpBranch %58 550 OpNoLine 551 %60 = OpLabel 552 OpLine %5 30 0 553 %63 = OpAccessChain %_ptr_PushConstant_uint %_ %int_1 554 OpLine %5 30 0 555 %64 = OpLoad %uint %63 556 OpLine %5 30 0 557 OpStore %u %64 558 OpLine %5 30 0 559 OpBranch %58 560 OpNoLine 561 %58 = OpLabel 562 OpLine %5 31 0 563 %65 = OpLoad %uint %u 564 OpLine %5 31 0 565 %66 = OpAccessChain %_ptr_UniformConstant_36 %g_tColor %65 566 OpLine %5 31 0 567 %67 = OpLoad %36 %66 568 OpLine %5 31 0 569 %68 = OpLoad %41 %g_sAniso 570 OpLine %5 31 0 571 %69 = OpSampledImage %43 %67 %68 572 OpLine %5 31 0 573 %70 = OpAccessChain %_ptr_Function_v2float %i %int_0 574 OpLine %5 31 0 575 %71 = OpLoad %v2float %70 576 OpLine %5 31 0 577 %72 = OpImageSampleImplicitLod %v4float %69 %71 578 OpLine %5 31 0 579 %73 = OpAccessChain %_ptr_Function_v4float %ps_output %int_0 580 OpLine %5 31 0 581 OpStore %73 %72 582 OpLine %5 32 0 583 %74 = OpLoad %PS_OUTPUT %ps_output 584 OpLine %5 32 0 585 OpReturnValue %74 586 OpNoLine 587 OpFunctionEnd 588 )"; 589 590 const std::string after = 591 R"(%void = OpTypeVoid 592 %19 = OpTypeFunction %void 593 %float = OpTypeFloat 32 594 %v2float = OpTypeVector %float 2 595 %PS_INPUT = OpTypeStruct %v2float 596 %_ptr_Function_PS_INPUT = OpTypePointer Function %PS_INPUT 597 %v4float = OpTypeVector %float 4 598 %PS_OUTPUT = OpTypeStruct %v4float 599 %24 = OpTypeFunction %PS_OUTPUT %_ptr_Function_PS_INPUT 600 %uint = OpTypeInt 32 0 601 %PerViewConstantBuffer_t = OpTypeStruct %uint %uint %uint 602 %_ptr_PushConstant_PerViewConstantBuffer_t = OpTypePointer PushConstant %PerViewConstantBuffer_t 603 %_ = OpVariable %_ptr_PushConstant_PerViewConstantBuffer_t PushConstant 604 %int = OpTypeInt 32 1 605 %int_2 = OpConstant %int 2 606 %_ptr_PushConstant_uint = OpTypePointer PushConstant %uint 607 %bool = OpTypeBool 608 %uint_0 = OpConstant %uint 0 609 %_ptr_Function_uint = OpTypePointer Function %uint 610 %int_0 = OpConstant %int 0 611 %int_1 = OpConstant %int 1 612 %_ptr_Function_PS_OUTPUT = OpTypePointer Function %PS_OUTPUT 613 %36 = OpTypeImage %float 2D 0 0 0 1 Unknown 614 %uint_128 = OpConstant %uint 128 615 %_arr_36_uint_128 = OpTypeArray %36 %uint_128 616 %_ptr_UniformConstant__arr_36_uint_128 = OpTypePointer UniformConstant %_arr_36_uint_128 617 %g_tColor = OpVariable %_ptr_UniformConstant__arr_36_uint_128 UniformConstant 618 %_ptr_UniformConstant_36 = OpTypePointer UniformConstant %36 619 %41 = OpTypeSampler 620 %_ptr_UniformConstant_41 = OpTypePointer UniformConstant %41 621 %g_sAniso = OpVariable %_ptr_UniformConstant_41 UniformConstant 622 %43 = OpTypeSampledImage %36 623 %_ptr_Function_v2float = OpTypePointer Function %v2float 624 %_ptr_Function_v4float = OpTypePointer Function %v4float 625 %_ptr_Input_v2float = OpTypePointer Input %v2float 626 %i_vTextureCoords = OpVariable %_ptr_Input_v2float Input 627 %_ptr_Output_v4float = OpTypePointer Output %v4float 628 %_entryPointOutput_vColor = OpVariable %_ptr_Output_v4float Output 629 %MainPs = OpFunction %void None %19 630 %48 = OpLabel 631 %i_0 = OpVariable %_ptr_Function_PS_INPUT Function 632 %param = OpVariable %_ptr_Function_PS_INPUT Function 633 OpLine %5 23 0 634 %49 = OpLoad %v2float %i_vTextureCoords 635 %50 = OpAccessChain %_ptr_Function_v2float %i_0 %int_0 636 OpStore %50 %49 637 %51 = OpLoad %PS_INPUT %i_0 638 OpStore %param %51 639 %52 = OpFunctionCall %PS_OUTPUT %_MainPs_struct_PS_INPUT_vf21_ %param 640 %53 = OpCompositeExtract %v4float %52 0 641 OpStore %_entryPointOutput_vColor %53 642 OpReturn 643 OpFunctionEnd 644 %_MainPs_struct_PS_INPUT_vf21_ = OpFunction %PS_OUTPUT None %24 645 %i = OpFunctionParameter %_ptr_Function_PS_INPUT 646 %54 = OpLabel 647 %u = OpVariable %_ptr_Function_uint Function 648 %ps_output = OpVariable %_ptr_Function_PS_OUTPUT Function 649 OpLine %5 27 0 650 %55 = OpAccessChain %_ptr_PushConstant_uint %_ %int_2 651 %56 = OpLoad %uint %55 652 %57 = OpINotEqual %bool %56 %uint_0 653 OpSelectionMerge %58 None 654 OpBranchConditional %57 %59 %60 655 %59 = OpLabel 656 OpLine %5 28 0 657 %61 = OpAccessChain %_ptr_PushConstant_uint %_ %int_0 658 %62 = OpLoad %uint %61 659 OpStore %u %62 660 OpBranch %58 661 %60 = OpLabel 662 OpLine %5 30 0 663 %63 = OpAccessChain %_ptr_PushConstant_uint %_ %int_1 664 %64 = OpLoad %uint %63 665 OpStore %u %64 666 OpBranch %58 667 %58 = OpLabel 668 OpLine %5 31 0 669 %65 = OpLoad %uint %u 670 %66 = OpAccessChain %_ptr_UniformConstant_36 %g_tColor %65 671 %67 = OpLoad %36 %66 672 %68 = OpLoad %41 %g_sAniso 673 %69 = OpSampledImage %43 %67 %68 674 %70 = OpAccessChain %_ptr_Function_v2float %i %int_0 675 %71 = OpLoad %v2float %70 676 %72 = OpImageSampleImplicitLod %v4float %69 %71 677 %73 = OpAccessChain %_ptr_Function_v4float %ps_output %int_0 678 OpStore %73 %72 679 OpLine %5 32 0 680 %74 = OpLoad %PS_OUTPUT %ps_output 681 OpReturnValue %74 682 OpFunctionEnd 683 )"; 684 685 SinglePassRunAndCheck<ProcessLinesPass>( 686 predefs + before, predefs + after, false, true, kLinesEliminateDeadLines); 687 } 688 689 // TODO(greg-lunarg): Add tests to verify handling of these cases: 690 // 691 // TODO(greg-lunarg): Think about other tests :) 692 693 } // namespace 694 } // namespace opt 695 } // namespace spvtools 696
