349   if (_.current_function().IsFirstBlock(target)) {  in FirstBlockAssert()
350     return _.diag(SPV_ERROR_INVALID_CFG, _.FindDef(_.current_function().id()))  in FirstBlockAssert()
352            << _.getIdName(_.current_function().id()) << " is targeted by block "  in FirstBlockAssert()
353            << _.getIdName(_.current_function().current_block()->id());  in FirstBlockAssert()
359   if (_.current_function().IsBlockType(merge_block, kBlockTypeMerge)) {  in MergeBlockAssert()
360     return _.diag(SPV_ERROR_INVALID_CFG, _.FindDef(_.current_function().id()))  in MergeBlockAssert()
930       if (auto error = _.current_function().RegisterBlock(inst->id()))  in CfgPass()
936       _.current_function().current_block()->set_label(inst);  in CfgPass()
943       if (auto error = _.current_function().RegisterLoopMerge(merge_block,  in CfgPass()
951       if (auto error = _.current_function().RegisterSelectionMerge(merge_block))  in CfgPass()
958       _.current_function().RegisterBlockEnd({target});  in CfgPass()
966       _.current_function().RegisterBlockEnd({tlabel, flabel});  in CfgPass()
976       _.current_function().RegisterBlockEnd({cases});  in CfgPass()
979       const uint32_t return_type = _.current_function().GetResultTypeId();  in CfgPass()
986       _.current_function().RegisterBlockEnd(std::vector<uint32_t>());  in CfgPass()
995       _.current_function().RegisterBlockEnd(std::vector<uint32_t>());  in CfgPass()
997         _.current_function().RegisterExecutionModelLimitation(  in CfgPass()
1002         _.current_function().RegisterExecutionModelLimitation(  in CfgPass()
1007         _.current_function().RegisterExecutionModelLimitation(  in CfgPass()
1012         _.current_function().RegisterExecutionModelLimitation(  in CfgPass()