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- ;RUN: opt < %s -simplifycfg -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(...)
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