tree-ssa-uninit.c
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re PR middle-end/64614 (bogus used initialized warning (in gcc 4.9.2); switch statement versus &) · 666e8e06
2015-01-16 Richard Biener <rguenther@suse.de> PR middle-end/64614 * tree-ssa-uninit.c: Include tree-cfg.h. (MAX_SWITCH_CASES): New define. (convert_control_dep_chain_into_preds): Handle switch statements. (is_pred_expr_subset_of): Handle x == CST vs. (x & CST) != 0. (normalize_one_pred_1): Do not split bit-manipulations. Record (x & CST). * gcc.dg/uninit-18.c: New testcase. From-SVN: r219739
Richard Biener committed