1; RUN: opt < %s -S -instcombine | FileCheck %s
2@A = extern_weak global i32, align 4
3@B = extern_weak global i32, align 4
4
5define i32 @foo(i1 %which) {
6entry:
7  br i1 %which, label %final, label %delay
8
9delay:
10  br label %final
11
12; CHECK-LABEL: final:
13; CHECK: phi i32 [ 1, %entry ], [ select (i1 icmp eq (i32* @A, i32* @B), i32 2, i32 1), %delay ]
14final:
15  %use2 = phi i1 [ false, %entry ], [ icmp eq (i32* @A, i32* @B), %delay ]
16  %value = select i1 %use2, i32 2, i32 1
17  ret i32 %value
18}
19
20