364   if (_.current_function().IsFirstBlock(target)) {  in FirstBlockAssert()
365     return _.diag(SPV_ERROR_INVALID_CFG, _.FindDef(_.current_function().id()))  in FirstBlockAssert()
367            << _.getIdName(_.current_function().id()) << " is targeted by block "  in FirstBlockAssert()
368            << _.getIdName(_.current_function().current_block()->id());  in FirstBlockAssert()
374   if (_.current_function().IsBlockType(merge_block, kBlockTypeMerge)) {  in MergeBlockAssert()
375     return _.diag(SPV_ERROR_INVALID_CFG, _.FindDef(_.current_function().id()))  in MergeBlockAssert()
1004       if (auto error = _.current_function().RegisterBlock(inst->id()))  in CfgPass()
1010       _.current_function().current_block()->set_label(inst);  in CfgPass()
1017       if (auto error = _.current_function().RegisterLoopMerge(merge_block,  in CfgPass()
1025       if (auto error = _.current_function().RegisterSelectionMerge(merge_block))  in CfgPass()
1032       _.current_function().RegisterBlockEnd({target});  in CfgPass()
1040       _.current_function().RegisterBlockEnd({tlabel, flabel});  in CfgPass()
1050       _.current_function().RegisterBlockEnd({cases});  in CfgPass()
1053       const uint32_t return_type = _.current_function().GetResultTypeId();  in CfgPass()
1060       _.current_function().RegisterBlockEnd(std::vector<uint32_t>());  in CfgPass()
1070       _.current_function().RegisterBlockEnd(std::vector<uint32_t>());  in CfgPass()
1073         _.current_function().RegisterExecutionModelLimitation(  in CfgPass()
1078         _.current_function().RegisterExecutionModelLimitation(  in CfgPass()
1083         _.current_function().RegisterExecutionModelLimitation(  in CfgPass()
1088         _.current_function().RegisterExecutionModelLimitation(  in CfgPass()