| ; RUN: opt < %s -S -instcombine | FileCheck %s | |
| @A = extern_weak global i32, align 4 | |
| @B = extern_weak global i32, align 4 | |
| define i32 @foo(i1 %which) { | |
| entry: | |
| br i1 %which, label %final, label %delay | |
| delay: | |
| br label %final | |
| ; CHECK-LABEL: final: | |
| ; CHECK: phi i32 [ 1, %entry ], [ select (i1 icmp eq (i32* @A, i32* @B), i32 2, i32 1), %delay ] | |
| final: | |
| %use2 = phi i1 [ false, %entry ], [ icmp eq (i32* @A, i32* @B), %delay ] | |
| %value = select i1 %use2, i32 2, i32 1 | |
| ret i32 %value | |
| } | |