http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57517
--- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> --- Author: rguenth Date: Tue Mar 18 08:46:21 2014 New Revision: 208632 URL: http://gcc.gnu.org/viewcvs?rev=208632&root=gcc&view=rev Log: 2014-03-18 Richard Biener <rguent...@suse.de> Backport from mainline 2013-08-27 Richard Biener <rguent...@suse.de> PR tree-optimization/57521 * tree-if-conv.c (if_convertible_bb_p): Verify that at least one edge is non-critical. (find_phi_replacement_condition): Make sure to use a non-critical edge. Cleanup and remove old bug workarounds. (bb_postdominates_preds): Remove. (if_convertible_loop_p_1): Do not compute post-dominators. (combine_blocks): Do not free post-dominators. (main_tree_if_conversion): Likewise. * gcc.dg/torture/pr57521.c: New testcase. 2013-09-03 Richard Biener <rguent...@suse.de> PR middle-end/57656 * fold-const.c (negate_expr_p): Fix division case. (negate_expr): Likewise. * gcc.dg/torture/pr57656.c: New testcase. 2013-11-19 Richard Biener <rguent...@suse.de> PR tree-optimization/57517 * tree-predcom.c (combinable_refs_p): Verify the combination is always executed when the refs are. * gfortran.fortran-torture/compile/pr57517.f90: New testcase. * gcc.dg/torture/pr57517.c: Likewise. Added: branches/gcc-4_7-branch/gcc/testsuite/gcc.dg/torture/pr57517.c branches/gcc-4_7-branch/gcc/testsuite/gcc.dg/torture/pr57521.c branches/gcc-4_7-branch/gcc/testsuite/gcc.dg/torture/pr57656.c branches/gcc-4_7-branch/gcc/testsuite/gfortran.fortran-torture/compile/pr57517.f90 Modified: branches/gcc-4_7-branch/gcc/ChangeLog branches/gcc-4_7-branch/gcc/fold-const.c branches/gcc-4_7-branch/gcc/testsuite/ChangeLog branches/gcc-4_7-branch/gcc/tree-if-conv.c branches/gcc-4_7-branch/gcc/tree-predcom.c
