Initial commit.

tests/struct-ref-lvalue.ispc

@@ -0,0 +1,21 @@
+
+export uniform int width() { return programCount; }
+
+
+
+struct Foo { float f; };
+
+void f(reference uniform Foo foo[], float a) {
+    ++foo[a].f;
+}
+
+export void f_fu(uniform float RET[], uniform float aFOO[], uniform float b) {
+    float a = aFOO[programIndex];
+    uniform Foo foo[17] = a;
+    f(foo, a);
+    RET[programIndex] = foo[a].f;
+}
+
+export void result(uniform float RET[]) { 
+    RET[programIndex] = 2+programIndex;
+}