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| author | Richard Guenther <rguenther@suse.de> | 2011-02-07 16:58:17 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2011-02-07 16:58:17 +0000 |
| commit | 1ec87690545eefc5c1453b225c62f5adcbbe1f49 (patch) | |
| tree | 97360474f30c6761309e34c3f16854fbc0320127 /gcc/tree-ssa-pre.c | |
| parent | b46ae6da882b09242d230d4ec532e534c9bd1323 (diff) | |
| download | gcc-1ec87690545eefc5c1453b225c62f5adcbbe1f49.zip gcc-1ec87690545eefc5c1453b225c62f5adcbbe1f49.tar.gz gcc-1ec87690545eefc5c1453b225c62f5adcbbe1f49.tar.bz2 | |
re PR tree-optimization/47615 (ICE: too deep recursion in phi_translate/phi_translate_1 with -ftree-pre -fno-tree-fre -fno-tree-sra)
2011-02-07 Richard Guenther <rguenther@suse.de>
PR tree-optimization/47615
* tree-ssa-sccvn.h (run_scc_vn): Take a vn-walk mode argument.
* tree-ssa-sccvn.c (default_vn_walk_kind): New global.
(run_scc_vn): Initialize it.
(visit_reference_op_load): Use it.
* tree-ssa-pre.c (execute_pre): Use VN_WALK if in PRE.
* g++.dg/opt/pr47615.C: New testcase.
From-SVN: r169888
Diffstat (limited to 'gcc/tree-ssa-pre.c')
| -rw-r--r-- | gcc/tree-ssa-pre.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/tree-ssa-pre.c b/gcc/tree-ssa-pre.c index e179c4f..00ff8cc 100644 --- a/gcc/tree-ssa-pre.c +++ b/gcc/tree-ssa-pre.c @@ -4853,7 +4853,7 @@ execute_pre (bool do_fre) if (!do_fre) loop_optimizer_init (LOOPS_NORMAL); - if (!run_scc_vn ()) + if (!run_scc_vn (do_fre ? VN_WALKREWRITE : VN_WALK)) { if (!do_fre) loop_optimizer_finalize (); |