-2013-01-30 Richard Biener <rguenther@suse.de>
+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.
+
+2013-01-31 Richard Biener <rguenther@suse.de>
PR tree-optimization/56150
* tree-ssa-tail-merge.c (gimple_equal_p): Properly handle
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);
}
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))