[Bug tree-optimization/23855] loop header should also be pulled out of the inner loop too
rakdver at gcc dot gnu dot org
gcc-bugzilla@gcc.gnu.org
Sun Jan 15 20:15:00 GMT 2006
------- Comment #8 from rakdver at gcc dot gnu dot org 2006-01-15 20:15 -------
Unswitching the condition (i < ie) (plus empty loop removal) would produce this
code. Nevertheless, this is a fairly common case, so perhaps it might make
sense to special-case it in loop header copying (for performance reasons).
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23855
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