Initial commit.

tests/reference-assignment.ispc

@@ -0,0 +1,18 @@
+
+export uniform int width() { return programCount; }
+
+
+
+void foo(reference float x, reference float y) {
+    x = y;
+}
+
+export void f_fu(uniform float ret[], uniform float a[], uniform float b) {
+    float aa = a[programIndex], bb = b;
+    foo(aa, bb);
+    ret[programIndex] = aa;
+}
+
+export void result(uniform float r[]) {
+    r[programIndex] = 5;
+}