Initial commit.

tests/cfor-gs-double-improve-varying-1.ispc

@@ -0,0 +1,15 @@
+
+export uniform int width() { return programCount; }
+
+
+export void f_fu(uniform float RET[], uniform float aFOO[], uniform float b) {
+    float a = aFOO[programIndex]; 
+    double udx[5];
+    cfor (uniform int i = 0; i < 5; ++i)
+        udx[i] = i + a;
+
+    int x = b-4;
+    RET[programIndex] = udx[x];
+}
+
+export void result(uniform float RET[]) { RET[programIndex] = 2+programIndex; }