Method enterFunction

SPIRV/SpvBuilder.cpp:2881–2913

Comments in header

// Comments in header
void Builder::enterFunction(Function const* function)
{
    currentFunction = function;

    // Save and disable debugInfo for HLSL entry point function. It is a wrapper
    // function with no user code in it.
    restoreNonSemanticShaderDebugInfo = emitNonSemanticShaderDebugInfo;
    if (sourceLang == spv::SourceLanguage::HLSL && function == entryPointFunction) {
        emitNonSemanticShaderDebugInfo = false;
    }

    if (emitNonSemanticShaderDebugInfo) {
        // Initialize scope state
        Id funcId = function->getFuncId();
        Id debugFuncId = getDebugFunction(funcId);
        currentDebugScopeId.push(debugFuncId);
        // Create DebugFunctionDefinition
        spv::Id resultId = getUniqueId();
        Instruction* defInst = new Instruction(resultId, makeVoidType(), Op::OpExtInst);
        defInst->reserveOperands(4);
        defInst->addIdOperand(nonSemanticShaderDebugInfo);
        defInst->addImmediateOperand(NonSemanticShaderDebugInfoDebugFunctionDefinition);
        defInst->addIdOperand(debugFuncId);
        defInst->addIdOperand(funcId);
        addInstruction(std::unique_ptr<Instruction>(defInst));
    }

    if (auto linkType = function->getLinkType(); linkType != LinkageType::Max) {
        Id funcId = function->getFuncId();
        addCapability(Capability::Linkage);
        addLinkageDecoration(funcId, function->getExportName(), linkType);
    }
}

// Comments in header
void Builder::leaveFunction()