Process loop initialization outside the body in UnusedVariableRemover

[libs/gl.git] / tests / glsl / complex_loop_increment.glsl

diff --git a/tests/glsl/complex_loop_increment.glsl b/tests/glsl/complex_loop_increment.glsl
new file mode 100644 (file)
index 0000000..fa0ea86
--- /dev/null
+++ b/tests/glsl/complex_loop_increment.glsl
@@ -0,0 +1,30 @@
+#pragma MSP stage(vertex)
+void main()
+{
+       int n = 0;
+       for(int i=10; i!=1; )
+       {
+               if((i&1)==0)
+                       i /= 2;
+               else
+                       i = 3*i+1;
+               ++n;
+       }
+       gl_Position = vec4(n);
+}
+
+/* Expected output: vertex
+void main()
+{
+       int n = 0;
+       for(int i = 10; i!=1;)
+       {
+               if((i&1)==0)
+                       i /= 2;
+               else
+                       i = 3*i+1;
+               ++n;
+       }
+       gl_Position = vec4(0.0);
+}
+*/