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| author | Richard Biener <rguenther@suse.de> | 2016-07-14 12:15:38 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2016-07-14 12:15:38 +0000 |
| commit | 351168fe551a792fac3dac3359de72c1bcdc651e (patch) | |
| tree | e63596b59c87415b491b0e9c85ffdeff0cdb6f3d /gcc/tree-ssa-loop-niter.c | |
| parent | 8234d02aa47d9cba294b4263e47a336e9c67f5b1 (diff) | |
| download | gcc-351168fe551a792fac3dac3359de72c1bcdc651e.zip gcc-351168fe551a792fac3dac3359de72c1bcdc651e.tar.gz gcc-351168fe551a792fac3dac3359de72c1bcdc651e.tar.bz2 | |
re PR tree-optimization/71866 (gcc locks up after fix for PR70159)
2016-07-14 Richard Biener <rguenther@suse.de>
PR tree-optimization/71866
* tree-ssa-pre.c (get_constant_for_value_id): Remove.
(do_hoist_insertion): Avoid endless recursion when we
didn't insert anything because we managed to simplify
things down to a constant or SSA name.
(fully_constant_expression): Re-write in terms of ...
* tree-ssa-sccvn.h (vn_nary_simplify): ... this. Declare.
* tree-ssa-sccvn.c (vn_nary_simplify): New wrapper around
vn_nary_build_or_lookup_1.
(vn_nary_build_or_lookup_1): Added flag and renamed from ...
(vn_nary_build_or_lookup): ... this which now wraps it.
* gcc.dg/torture/pr71866.c: New testcase.
From-SVN: r238334
Diffstat (limited to 'gcc/tree-ssa-loop-niter.c')
0 files changed, 0 insertions, 0 deletions