Initial commit.

tests/reference-prepost-increment.ispc

@@ -0,0 +1,21 @@
+
+export uniform int width() { return programCount; }
+
+
+
+void foo(reference float x) {
+    if (x <= 2)
+        ++x;
+}
+
+export void f_fu(uniform float ret[], uniform float a[], uniform float b) {
+    float aa = a[programIndex];
+    foo(aa);
+    ret[programIndex] = aa;
+}
+
+export void result(uniform float r[]) {
+    r[programIndex] = 1+programIndex;
+    r[0] = 2;
+    r[1] = 3;
+}