| ; RUN: opt < %s -loop-extract-single -disable-output | |
| define void @ab() { | |
| entry: | |
| br label %codeReplTail | |
| then.1: ; preds = %codeReplTail | |
| br label %loopentry.1 | |
| loopentry.1: ; preds = %no_exit.1, %then.1 | |
| br i1 false, label %no_exit.1, label %loopexit.0.loopexit1 | |
| no_exit.1: ; preds = %loopentry.1 | |
| br label %loopentry.1 | |
| loopexit.0.loopexit: ; preds = %codeReplTail | |
| ret void | |
| loopexit.0.loopexit1: ; preds = %loopentry.1 | |
| ret void | |
| codeReplTail: ; preds = %codeReplTail, %entry | |
| switch i16 0, label %codeReplTail [ | |
| i16 0, label %loopexit.0.loopexit | |
| i16 1, label %then.1 | |
| ] | |
| } | |