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...entry block is already special in that it cannot be used as a branch target. Why not also forbid 'unwinds to' on the entry block? — Gordon -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20080328/d701b75a/attachment.html>

I have a new plan for handling 'unwinds to' in the control flow graph and dominance. Just as a quick recap the problem I encountered is how to deal instructions in a block being used as operands in the unwind dest. Such as this: bb1: unwinds to %cleanup call void @foo() ; might throw, might not %x = add i32 %y, %z call void @foo() ; might throw, might not ret void cleanup: