diff --git a/test/CodeGen/X86/fildll.ll b/test/CodeGen/X86/fildll.ll
new file mode 100644
index 00000000000..a9808dfcad7
--- /dev/null
+++ b/test/CodeGen/X86/fildll.ll
@@ -0,0 +1,11 @@
+; RUN: llvm-as < %s | llc -march=x86 -x86-asm-syntax=att | grep fildll | wc -l | grep 2
+
+fastcc double %sint64_to_fp(long %X) {
+	%R = cast long %X to double
+	ret double %R
+}
+
+fastcc double %uint64_to_fp(ulong %X) {
+	%R = cast ulong %X to double
+	ret double %R
+}