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-rw-r--r--test/Transforms/SimplifyCFG/2007-12-21-Crash.ll37
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diff --git a/test/Transforms/SimplifyCFG/2007-12-21-Crash.ll b/test/Transforms/SimplifyCFG/2007-12-21-Crash.ll
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+++ b/test/Transforms/SimplifyCFG/2007-12-21-Crash.ll
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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(...)