diff --git a/test/CodeGen/X86/call-imm.ll b/test/CodeGen/X86/call-imm.ll
new file mode 100644
index 00000000000..b99149b687f
--- /dev/null
+++ b/test/CodeGen/X86/call-imm.ll
@@ -0,0 +1,11 @@
+; RUN: llvm-as < %s | llc -march=x86    | grep call | not grep {*}
+; RUN: llvm-as < %s | llc -march=x86    | grep call | grep 12345678
+; RUN: llvm-as < %s | llc -march=x86-64 | grep call | grep 12345678
+; PR3666
+; PR3773
+
+define i32 @main() nounwind {
+entry:
+	%0 = call i32 inttoptr (i32 12345678 to i32 (i32)*)(i32 0) nounwind		; <i32> [#uses=1]
+	ret i32 %0
+}