Initial commit.

tests/cfor-struct-gather.ispc

@@ -0,0 +1,19 @@
+
+export uniform int width() { return programCount; }
+
+
+
+struct Foo {
+    float f;
+};
+
+export void f_fu(uniform float RET[], uniform float aFOO[], uniform float b) {
+    float a = aFOO[programIndex];
+    uniform Foo foo[17];
+    uniform int i;
+    cfor (i = 0; i < 17; ++i)
+        foo[i].f = i*a;
+    RET[programIndex] = foo[(int)a].f;
+}
+
+export void result(uniform float RET[]) { RET[programIndex] = (programIndex+1)*(programIndex+1); }