diff --git a/test/CodeGen/X86/x86-64-asm.ll b/test/CodeGen/X86/x86-64-asm.ll
new file mode 100644
index 00000000000..e5b293e304b
--- /dev/null
+++ b/test/CodeGen/X86/x86-64-asm.ll
@@ -0,0 +1,15 @@
+; RUN: llvm-as < %s | llc
+; PR1029
+
+target datalayout = "e-p:64:64"
+target endian = little
+target pointersize = 64
+target triple = "x86_64-unknown-linux-gnu"
+
+implementation   ; Functions:
+
+void %frame_dummy() {
+entry:
+	%tmp1 = tail call void (sbyte*)* (void (sbyte*)*)* asm "", "=r,0,~{dirflag},~{fpsr},~{flags}"( void (sbyte*)* null )		; <void (sbyte*)*> [#uses=0]
+	ret void
+}