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| -rw-r--r-- | test/Transforms/LICM/2003-02-27-PreheaderExitNodeUpdate.ll | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/test/Transforms/LICM/2003-02-27-PreheaderExitNodeUpdate.ll b/test/Transforms/LICM/2003-02-27-PreheaderExitNodeUpdate.ll new file mode 100644 index 0000000000..85ec34ec5b --- /dev/null +++ b/test/Transforms/LICM/2003-02-27-PreheaderExitNodeUpdate.ll @@ -0,0 +1,19 @@ +; This testcase fails because preheader insertion is not updating exit node +; information for loops. + +; RUN: as < %s | opt -licm + +int %main(int %argc, sbyte** %argv) { +bb0: ; No predecessors! + br bool false, label %bb7, label %bb5 + +bb5: ; preds = %bb5, %bb0 + br bool false, label %bb5, label %bb7 + +bb7: ; preds = %bb7, %bb5, %bb0 + br bool false, label %bb7, label %bb10 + +bb10: ; preds = %bb7 + ret int 0 +} + |