https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90450
--- Comment #8 from Richard Biener <rguenth at gcc dot gnu.org> --- Author: rguenth Date: Thu Jun 6 11:06:45 2019 New Revision: 271995 URL: https://gcc.gnu.org/viewcvs?rev=271995&root=gcc&view=rev Log: 2019-06-06 Richard Biener <rguent...@suse.de> Backport from mainline 2019-05-22 Richard Biener <rguent...@suse.de> PR tree-optimization/90450 * tree-ssa-loop-im.c (struct im_mem_ref): Add ref_decomposed. (mem_ref_hasher::equal): Check it. (mem_ref_alloc): Initialize it. (gather_mem_refs_stmt): Set it. 2019-05-15 Richard Biener <rguent...@suse.de> PR c/90474 * c-common.c (c_common_mark_addressable_vec): Also mark a COMPOUND_LITERAL_EXPR_DECL addressable similar to c_mark_addressable. 2019-05-13 Richard Biener <rguent...@suse.de> PR tree-optimization/90402 * tree-if-conv.c (tree_if_conversion): Value number only the loop body by making the latch an exit of the region as well. * tree-ssa-sccvn.c (process_bb): Add flag whether to skip processing PHIs. (do_rpo_vn): Deal with multiple edges into the entry block that are not backedges inside the region by skipping PHIs of the entry block. * gcc.dg/torture/pr90402-1.c: New testcase. 2019-05-06 Richard Biener <rguent...@suse.de> PR tree-optimization/90328 * tree-data-ref.h (dr_may_alias_p): Pass in the actual loop nest. * tree-data-ref.c (dr_may_alias_p): Check whether the clique is valid in the loop nest before using it. (initialize_data_dependence_relation): Adjust. * graphite-scop-detection.c (build_alias_set): Pass the SCOP enclosing loop as loop-nest to dr_may_alias_p. * gcc.dg/torture/pr90328.c: New testcase. Added: branches/gcc-9-branch/gcc/testsuite/gcc.dg/torture/pr90328.c branches/gcc-9-branch/gcc/testsuite/gcc.dg/torture/pr90402-1.c Modified: branches/gcc-9-branch/gcc/ChangeLog branches/gcc-9-branch/gcc/c-family/ChangeLog branches/gcc-9-branch/gcc/c-family/c-common.c branches/gcc-9-branch/gcc/graphite-scop-detection.c branches/gcc-9-branch/gcc/testsuite/ChangeLog branches/gcc-9-branch/gcc/tree-data-ref.c branches/gcc-9-branch/gcc/tree-data-ref.h branches/gcc-9-branch/gcc/tree-if-conv.c branches/gcc-9-branch/gcc/tree-ssa-loop-im.c branches/gcc-9-branch/gcc/tree-ssa-sccvn.c
