; Node 3 parent.begin() pvector.h : 30

   1474   %num_nodes_.i.i = getelementptr inbounds %class.CSRGraph, %class.CSRGraph* %g, i64 0, i32 1
   1475   %8 = load i64, i64* %num_nodes_.i.i, align 8, !tbaa !34, !noalias !55
   1476   %9 = call { i64, i1 } @llvm.umul.with.overflow.i64(i64 %8, i64 4) #7
   1477   %10 = extractvalue { i64, i1 } %9, 1
   1478   %11 = extractvalue { i64, i1 } %9, 0
   1479   %12 = select i1 %10, i64 -1, i64 %11
   1480   %call.i.i126 = call noalias nonnull i8* @_Znam(i64 %12) #20, !noalias !55
   1481   %13 = bitcast i8* %call.i.i126 to i32*
   1482   %14 = bitcast %class.pvector* %agg.result to i8**