| ; RUN: opt -passes=jump-threading %s -disable-output --print-changed=diff 2>&1 | FileCheck %s | |
| ; CHECK: IR Dump After JumpThreadingPass | |
| define void @f(i1 %0) { | |
| br i1 %0, label %5, label %2 | |
| 2: ; preds = %1 | |
| br i1 false, label %b, label %3 | |
| 3: ; preds = %2 | |
| %4 = call i64 null() | |
| br label %b | |
| b: ; preds = %3, %2 | |
| br label %5 | |
| 5: ; preds = %b, %1 | |
| ret void | |
| } |