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Diffstat (limited to 'test/Transforms/SimplifyCFG/2007-12-21-Crash.ll')
-rw-r--r-- | test/Transforms/SimplifyCFG/2007-12-21-Crash.ll | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/test/Transforms/SimplifyCFG/2007-12-21-Crash.ll b/test/Transforms/SimplifyCFG/2007-12-21-Crash.ll new file mode 100644 index 0000000..46df0f0 --- /dev/null +++ b/test/Transforms/SimplifyCFG/2007-12-21-Crash.ll @@ -0,0 +1,37 @@ +;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(...) |