| 502 | } |
| 503 | |
| 504 | void GcnCompiler::emitControlFlowBlock(const GcnToken& token) |
| 505 | { |
| 506 | // we use do {} while(false); to implement block, |
| 507 | // so it's generally a loop. |
| 508 | |
| 509 | // Declare the 'loop' block |
| 510 | GcnCfgBlock block; |
| 511 | block.type = GcnCfgBlockType::Loop; |
| 512 | block.b_loop.labelHeader = m_module.allocateId(); |
| 513 | block.b_loop.labelBegin = m_module.allocateId(); |
| 514 | block.b_loop.labelContinue = m_module.allocateId(); |
| 515 | block.b_loop.labelBreak = m_module.allocateId(); |
| 516 | m_controlFlowStack.push_back(block); |
| 517 | |
| 518 | m_module.opBranch(block.b_loop.labelHeader); |
| 519 | m_module.opLabel(block.b_loop.labelHeader); |
| 520 | |
| 521 | m_module.opLoopMerge( |
| 522 | block.b_loop.labelBreak, |
| 523 | block.b_loop.labelContinue, |
| 524 | spv::LoopControlMaskNone); |
| 525 | |
| 526 | m_module.opBranch(block.b_loop.labelBegin); |
| 527 | m_module.opLabel(block.b_loop.labelBegin); |
| 528 | } |
| 529 | |
| 530 | void GcnCompiler::emitControlFlowEndBlock(const GcnToken& token) |
| 531 | { |
no test coverage detected