| ; RUN: opt -early-cse -S < %s | FileCheck %s | |
| ; PR12231 | |
| declare i32 @f() | |
| define i32 @fn() { | |
| entry: | |
| br label %lbl_1215 | |
| lbl_1215: | |
| %ins34 = phi i32 [ %ins35, %xxx ], [ undef, %entry ] | |
| ret i32 %ins34 | |
| xxx: | |
| %ins35 = call i32 @f() | |
| br label %lbl_1215 | |
| } | |
| ; CHECK: define i32 @fn |