Initial commit.

tests/struct-test-122.ispc

@@ -0,0 +1,20 @@
+
+export uniform int width() { return programCount; }
+
+
+struct Foo {
+    float x;
+};
+float bar(reference varying Foo f) { ++f.x; return f.x; }
+
+export void f_fu(uniform float RET[], uniform float aFOO[], uniform float b) {
+    float a = aFOO[programIndex];
+    varying Foo f = a;
+    bar(f);
+    RET[programIndex] = f.x;
+}
+
+
+export void result(uniform float RET[]) {
+    RET[programIndex] = 2 + programIndex;
+}