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re PR tree-optimization/40759 (segfault in useless_type_conversion_p)

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PR tree-optimization/40759
	* tree-ssa-dce.c (mark_virtual_phi_result_for_renaming): Mark all uses
	for renaming.

From-SVN: r150168
This commit is contained in:
Jan Hubicka 2009-07-28 18:37:50 +02:00 • committed by Jan Hubicka
parent 2cf7e0f0db
commit b29c2ffde0
2 changed files with 6 additions and 3 deletions
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6
gcc/ChangeLog
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@ -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> 2009-07-27 DJ Delorie <dj@redhat.com>
* config/mep/mep.c (mep_expand_builtin_saveregs): Make sure 64-bit * config/mep/mep.c (mep_expand_builtin_saveregs): Make sure 64-bit

3
gcc/tree-ssa-dce.c
View file

@ -828,9 +828,6 @@ mark_virtual_phi_result_for_renaming (gimple phi)
} }
FOR_EACH_IMM_USE_STMT (stmt, iter, gimple_phi_result (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) FOR_EACH_IMM_USE_ON_STMT (use_p, iter)
SET_USE (use_p, SSA_NAME_VAR (gimple_phi_result (phi))); SET_USE (use_p, SSA_NAME_VAR (gimple_phi_result (phi)));
update_stmt (stmt); update_stmt (stmt);