1; RUN: llc < %s -march=x86-64
2
3define i64 @foo() nounwind {
4entry:
5	%t0 = load i32* null, align 8
6	switch i32 %t0, label %bb65 [
7		i32 16, label %bb
8		i32 12, label %bb56
9	]
10
11bb:
12	br label %bb65
13
14bb56:
15	unreachable
16
17bb65:
18	%a = phi i64 [ 0, %bb ], [ 0, %entry ]
19	tail call void asm "", "{cx}"(i64 %a) nounwind
20	%t15 = and i64 %a, 4294967295
21	ret i64 %t15
22}
23
24define i64 @bar(i64 %t0) nounwind {
25	call void asm "", "{cx}"(i64 0) nounwind
26	%t1 = sub i64 0, %t0
27	%t2 = and i64 %t1, 4294967295
28	ret i64 %t2
29}
30