| ;RUN: opt < %s -passes=simplifycfg -simplifycfg-require-and-preserve-domtree=1 -disable-output |
| target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" |
| |
| define i32 @bork() nounwind { |
| entry: |
| br label %bb5.outer |
| |
| bb5.outer.loopexit: ; preds = %bb5 |
| br label %bb5.outer |
| |
| bb5.outer: ; preds = %bb5.outer.loopexit, %entry |
| %undo.0.ph = phi i32 [ 0, %entry ], [ 1, %bb5.outer.loopexit ] ; <i32> [#uses=1] |
| br label %bb5 |
| |
| bb5: ; preds = %bb5, %bb5.outer |
| %tmp6 = tail call i32 (...) @foo( ) nounwind ; <i32> [#uses=1] |
| switch i32 %tmp6, label %bb13 [ |
| i32 -1, label %bb10 |
| i32 102, label %bb5 |
| i32 110, label %bb5.outer.loopexit |
| ] |
| |
| bb10: ; preds = %bb5 |
| %tmp12 = tail call i32 (...) @bar( i32 %undo.0.ph ) nounwind ; <i32> [#uses=0] |
| br label %UnifiedReturnBlock |
| |
| bb13: ; preds = %bb5 |
| br label %UnifiedReturnBlock |
| |
| UnifiedReturnBlock: ; preds = %bb13, %bb10 |
| %UnifiedRetVal = phi i32 [ 1, %bb10 ], [ 258, %bb13 ] ; <i32> [#uses=1] |
| ret i32 %UnifiedRetVal |
| } |
| |
| declare i32 @foo(...) |
| |
| declare i32 @bar(...) |
