From b29c2ffde02ef878d8bfccb6520decd7758463cd Mon Sep 17 00:00:00 2001 From: Jan Hubicka Date: Tue, 28 Jul 2009 18:37:50 +0200 Subject: [PATCH] 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 --- gcc/ChangeLog | 6 ++++++ gcc/tree-ssa-dce.c | 3 --- 2 files changed, 6 insertions(+), 3 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index a20aed1230e1..fc6cf1d3828c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2009-07-28 Jan Hubicka + + PR tree-optimization/40759 + * tree-ssa-dce.c (mark_virtual_phi_result_for_renaming): Mark all uses + for renaming. + 2009-07-27 DJ Delorie * 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 bbf37f7a0285..c1f4e7f647b4 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); -- 2.47.3