lcm.c
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re PR tree-optimization/46590 (long compile time with -O2 and many loops) · 9d1ae52c2014-01-16 Richard Biener <rguenther@suse.de> PR rtl-optimization/46590 * lcm.c (compute_antinout_edge): Use postorder iteration. (compute_laterin): Use inverted postorder iteration. From-SVN: r206663
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