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| author | Jan Hubicka <jh@suse.cz> | 2009-07-28 18:37:50 +0200 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2009-07-28 16:37:50 +0000 |
| commit | b29c2ffde02ef878d8bfccb6520decd7758463cd (patch) | |
| tree | f046abc43185d824096a05b696d87008b020b29f | |
| parent | 2cf7e0f0db3f1a36d39a2f121d84ac422d46cea7 (diff) | |
| download | gcc-b29c2ffde02ef878d8bfccb6520decd7758463cd.zip gcc-b29c2ffde02ef878d8bfccb6520decd7758463cd.tar.gz gcc-b29c2ffde02ef878d8bfccb6520decd7758463cd.tar.bz2 | |
re PR tree-optimization/40759 (segfault in useless_type_conversion_p)
PR tree-optimization/40759
* tree-ssa-dce.c (mark_virtual_phi_result_for_renaming): Mark all uses
for renaming.
From-SVN: r150168
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/tree-ssa-dce.c | 3 |
2 files changed, 6 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index a20aed1..fc6cf1d 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2009-07-28 Jan Hubicka <jh@suse.cz> + + PR tree-optimization/40759 + * tree-ssa-dce.c (mark_virtual_phi_result_for_renaming): Mark all uses + for renaming. + 2009-07-27 DJ Delorie <dj@redhat.com> * config/mep/mep.c (mep_expand_builtin_saveregs): Make sure 64-bit diff --git a/gcc/tree-ssa-dce.c b/gcc/tree-ssa-dce.c index bbf37f7..c1f4e7f 100644 --- a/gcc/tree-ssa-dce.c +++ b/gcc/tree-ssa-dce.c @@ -828,9 +828,6 @@ mark_virtual_phi_result_for_renaming (gimple phi) } FOR_EACH_IMM_USE_STMT (stmt, iter, gimple_phi_result (phi)) { - if (gimple_code (stmt) != GIMPLE_PHI - && !gimple_plf (stmt, STMT_NECESSARY)) - continue; FOR_EACH_IMM_USE_ON_STMT (use_p, iter) SET_USE (use_p, SSA_NAME_VAR (gimple_phi_result (phi))); update_stmt (stmt); |