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PR rtl-optimization/37483 * ifcvt.c (noce_try_sign_mask): Use if_info->test_bb instead of if_info->insn_b's bb as argument to optimize_bb_for_speed_p. Rearrange code to better match the original comment. Check t_unconditional first. Improve comment. testsuite/ * gcc.c-torture/compile/pr37483.c: New test. * gcc.c-torture/compile/pr37395.c: New test. Co-Authored-By: Adam Nemet <anemet@caviumnetworks.com> From-SVN: r140403
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