| ; This testcase exposed a problem with the loop identification pass (LoopInfo). |
| ; Basically, it was incorrectly calculating the loop nesting information. |
| ; |
| ; RUN: llvm-as < %s | opt -loopsimplify |
| |
| implementation ; Functions: |
| |
| int %yylex() { ; No predecessors! |
| br label %loopentry.0 |
| |
| loopentry.0: ; preds = %0, %yy_find_action, %else.4 |
| br label %loopexit.2 |
| |
| loopexit.2: ; preds = %loopentry.0, %else.4, %loopexit.2 |
| br bool false, label %loopexit.2, label %else.4 |
| |
| yy_find_action: ; preds = %loopexit.2, %else.4 |
| br label %else.4 |
| |
| else.4: ; preds = %yy_find_action |
| switch uint 0, label %loopexit.2 [ |
| uint 2, label %yy_find_action |
| uint 0, label %loopentry.0 |
| ] |
| } |
