diff --git a/test/Transforms/ConstProp/calls.ll b/test/Transforms/ConstProp/calls.ll
new file mode 100644
index 00000000000..59ac2d52dc1
--- /dev/null
+++ b/test/Transforms/ConstProp/calls.ll
@@ -0,0 +1,17 @@
+; RUN: llvm-as < %s | opt -constprop | llvm-dis | not grep call
+
+declare double %cos(double)
+declare double %sin(double)
+declare double %tan(double)
+declare double %sqrt(double)
+
+double %T() {
+	%A = call double %cos(double 0.0)
+	%B = call double %sin(double 0.0)
+	%a = add double %A, %B
+	%C = call double %tan(double 0.0)
+	%b = add double %a, %C
+	%D = call double %sqrt(double 4.0)
+	%c = add double %b, %D
+	ret double %c
+}