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| author | Richard Biener <rguenther@suse.de> | 2013-01-31 08:53:43 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2013-01-31 08:53:43 +0000 |
| commit | 636f59cfb37b743bf162e42d79e10385f44e0f9b (patch) | |
| tree | 1816685276eef9d8ecda39d62c24870c6c84440a /gcc/tree-ssa-loop-manip.c | |
| parent | fcfa87ac3dbb62b8cb32a919711e00d17557fe05 (diff) | |
| download | gcc-636f59cfb37b743bf162e42d79e10385f44e0f9b.zip gcc-636f59cfb37b743bf162e42d79e10385f44e0f9b.tar.gz gcc-636f59cfb37b743bf162e42d79e10385f44e0f9b.tar.bz2 | |
re PR tree-optimization/56150 (ICE segfault in do_pre / tail_merge_optimize)
2013-01-31 Richard Biener <rguenther@suse.de>
PR tree-optimization/56150
* tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Do not
visit virtual operands.
(find_uses_to_rename_bb): Likewise.
From-SVN: r195609
Diffstat (limited to 'gcc/tree-ssa-loop-manip.c')
| -rw-r--r-- | gcc/tree-ssa-loop-manip.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/gcc/tree-ssa-loop-manip.c b/gcc/tree-ssa-loop-manip.c index 3601ece..4645588 100644 --- a/gcc/tree-ssa-loop-manip.c +++ b/gcc/tree-ssa-loop-manip.c @@ -402,7 +402,7 @@ find_uses_to_rename_stmt (gimple stmt, bitmap *use_blocks, bitmap need_phis) if (is_gimple_debug (stmt)) return; - FOR_EACH_SSA_TREE_OPERAND (var, stmt, iter, SSA_OP_ALL_USES) + FOR_EACH_SSA_TREE_OPERAND (var, stmt, iter, SSA_OP_USE) find_uses_to_rename_use (bb, var, use_blocks, need_phis); } @@ -422,8 +422,9 @@ find_uses_to_rename_bb (basic_block bb, bitmap *use_blocks, bitmap need_phis) for (bsi = gsi_start_phis (e->dest); !gsi_end_p (bsi); gsi_next (&bsi)) { gimple phi = gsi_stmt (bsi); - find_uses_to_rename_use (bb, PHI_ARG_DEF_FROM_EDGE (phi, e), - use_blocks, need_phis); + if (! virtual_operand_p (gimple_phi_result (phi))) + find_uses_to_rename_use (bb, PHI_ARG_DEF_FROM_EDGE (phi, e), + use_blocks, need_phis); } for (bsi = gsi_start_bb (bb); !gsi_end_p (bsi); gsi_next (&bsi)) |