Initial commit.

tests/cfor-ref-5.ispc

@@ -0,0 +1,20 @@
+
+export uniform int width() { return programCount; }
+
+
+
+void foo(reference float a) {
+    a = 0;
+}
+
+export void f_fu(uniform float RET[], uniform float aFOO[], uniform float b) {
+    float a = aFOO[programIndex];
+    float x[10];
+    uniform int i;
+    cfor (i = 0; i < 10; ++i)
+        x[i] = a*b;
+    foo(x[b]);
+    RET[programIndex] = x[5] + x[9];
+}
+
+export void result(uniform float RET[]) { RET[programIndex] = 5 * (programIndex+1); }