1; RUN: opt < %s -lowerswitch -S | FileCheck %s
2; CHECK-NOT: {{.*}}icmp eq{{.*}}
3;
4;int foo(int a) {
5;
6;  switch (a) {
7;  case 0:
8;    return 10;
9;  case 1:
10;    return 3;
11;  default:
12;    __builtin_unreachable();
13;  }
14;
15;}
16
17define i32 @foo(i32 %a) nounwind ssp uwtable {
18  %1 = alloca i32, align 4
19  %2 = alloca i32, align 4
20  store i32 %a, i32* %2, align 4
21  %3 = load i32* %2, align 4
22  switch i32 %3, label %6 [
23    i32 0, label %4
24    i32 1, label %5
25  ]
26
27; <label>:4
28  store i32 10, i32* %1
29  br label %7
30
31; <label>:5
32  store i32 3, i32* %1
33  br label %7
34
35; <label>:6
36  unreachable
37
38; <label>:7
39  %8 = load i32* %1
40  ret i32 %8
41}
42