[Bug tree-optimization/80906] [7 Regression] ICE in copy_loop_close_phi_args, at graphite-isl-ast-to-gimple.c:2094
rguenth at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Wed Jun 7 13:07:00 GMT 2017
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80906
--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Wed Jun 7 13:07:06 2017
New Revision: 248970
URL: https://gcc.gnu.org/viewcvs?rev=248970&root=gcc&view=rev
Log:
2017-06-07 Richard Biener <rguenther@suse.de>
Backport from mainline
2017-05-02 Richard Biener <rguenther@suse.de>
PR tree-optimization/80549
* tree-cfgcleanup.c (mfb_keep_latches): New helper.
(cleanup_tree_cfg_noloop): Create forwarders to known loop
headers if they do not have a preheader.
* gcc.dg/torture/pr80549.c: New testcase.
2017-05-19 Richard Biener <rguenther@suse.de>
PR c++/80593
* c-warn.c (strict_aliasing_warning): Do not warn for accesses
to alias-set zero memory.
* g++.dg/warn/Wstrict-aliasing-bogus-char-2.C: New testcase.
* g++.dg/warn/Wstrict-aliasing-6.C: Adjust expected outcome.
2017-05-26 Richard Biener <rguenther@suse.de>
PR tree-optimization/80842
* tree-ssa-ccp.c (set_lattice_value): Always meet with the old
value.
* gcc.dg/torture/pr80842.c: New testcase.
2017-05-31 Richard Biener <rguenther@suse.de>
PR tree-optimization/80906
* graphite-isl-ast-to-gimple.c (copy_loop_close_phi_nodes): Get
and pass through iv_map.
(copy_bb_and_scalar_dependences): Adjust.
(translate_pending_phi_nodes): Likewise.
(copy_loop_close_phi_args): Handle code-generating IVs instead
of ICEing.
* gcc.dg/graphite/pr80906.c: New testcase.
2017-05-11 Richard Biener <rguenther@suse.de>
PR tree-optimization/80705
* tree-vect-data-refs.c (vect_analyze_data_refs): DECL_NONALIASED
bases are not vectorizable.
* gcc.dg/vect/bb-slp-pr80705.c: New testcase.
Added:
branches/gcc-7-branch/gcc/testsuite/g++.dg/warn/Wstrict-aliasing-bogus-char-2.C
branches/gcc-7-branch/gcc/testsuite/gcc.dg/graphite/pr80906.c
branches/gcc-7-branch/gcc/testsuite/gcc.dg/torture/pr80549.c
branches/gcc-7-branch/gcc/testsuite/gcc.dg/torture/pr80842.c
branches/gcc-7-branch/gcc/testsuite/gcc.dg/vect/bb-slp-pr80705.c
Modified:
branches/gcc-7-branch/gcc/ChangeLog
branches/gcc-7-branch/gcc/c-family/ChangeLog
branches/gcc-7-branch/gcc/c-family/c-warn.c
branches/gcc-7-branch/gcc/graphite-isl-ast-to-gimple.c
branches/gcc-7-branch/gcc/testsuite/ChangeLog
branches/gcc-7-branch/gcc/testsuite/g++.dg/warn/Wstrict-aliasing-6.C
branches/gcc-7-branch/gcc/tree-cfgcleanup.c
branches/gcc-7-branch/gcc/tree-ssa-ccp.c
branches/gcc-7-branch/gcc/tree-vect-data-refs.c
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