Added tests for create node and edge intrinsics

llvm/tools/hpvm/test/unitTests/CreateNodeAndEdge.c

+#include <stdio.h>
+#include "visc.h"
+
+struct Root {
+  int *input;
+  int *output;
+};
+
+
+void Func1(int *In, int *Out) {
+  __visc__hint (CPU_TARGET);
+  __visc__attributes(1, In, 1, Out);
+
+  __visc__return(1, Out);
+}
+
+void Func2(int *BindIn, int *SrcIn, int *Out) {
+  __visc__hint (CPU_TARGET);
+  __visc__attributes(2, BindIn, SrcIn, 1, Out);
+
+  __visc__return(1, Out);
+}
+
+void PipeRoot(int *In, int *Out) {
+    __visc__hint (CPU_TARGET);
+
+    __visc__attributes(1, In, 1, Out);
+
+    void* SrcNode = __visc__createNodeND(0, Func1);
+    void* DestNode = __visc__createNodeND(0, Func2);
+
+    __visc__bindIn(SrcNode, 0, 0, 0);
+
+    __visc__bindIn(DestNode, 0, 0, 0);
+   __visc__edge(SrcNode, DestNode, 1, 0, 1, 0);
+
+    __visc__bindOut(SrcNode, 0, 0, 0);
+}
+
+int  main(void) {
+    int In = 1;
+    int Out = 0;
+    struct Root RootArgs = {(int *) &In, (int *) &Out};
+
+    __visc__init();
+    void* PipeDFG = __visc__launch(0, PipeRoot, (void *) &RootArgs);
+    __visc__wait(PipeDFG);
+    __visc__cleanup();
+
+    return 0;
+}
+