[Bug tree-optimization/17966] a quadratic behavior in thread_jumps

[kazu at cs dot umass dot edu]

------- Additional Comments From kazu at cs dot umass dot edu  2004-10-13 14:24 -------
Andrew,

Regarding your patch, if we have exactly one basic block immediately preceding
EXIT_BLOCK_PTR, and that block happens to be a forwarder block, your algorithm
terminates without doing any further work.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17966