PR debug/43508

[pf3gnuchains/gcc-fork.git] / gcc / graphite-sese-to-poly.c

diff --git a/gcc/graphite-sese-to-poly.c b/gcc/graphite-sese-to-poly.c
index 0f370a8..83eff2a 100644 (file)
--- a/gcc/graphite-sese-to-poly.c
+++ b/gcc/graphite-sese-to-poly.c
@@ -2200,7 +2200,8 @@ rewrite_close_phi_out_of_ssa (gimple_stmt_iterator *psi)
   gimple stmt = gimple_build_assign (res, zero_dim_array);
   tree arg = gimple_phi_arg_def (phi, 0);
 
-  if (TREE_CODE (arg) == SSA_NAME)
+  if (TREE_CODE (arg) == SSA_NAME
+      && !SSA_NAME_IS_DEFAULT_DEF (arg))
     insert_out_of_ssa_copy (zero_dim_array, arg);
   else
     insert_out_of_ssa_copy_on_edge (single_pred_edge (gimple_bb (phi)),
@@ -2365,7 +2366,8 @@ rewrite_cross_bb_scalar_deps (sese region, gimple_stmt_iterator *gsi)
 
   FOR_EACH_IMM_USE_STMT (use_stmt, imm_iter, def)
     if (def_bb != gimple_bb (use_stmt)
-       && gimple_code (use_stmt) != GIMPLE_PHI)
+       && gimple_code (use_stmt) != GIMPLE_PHI
+       && !is_gimple_debug (use_stmt))
       {
        if (!zero_dim_array)
          {
@@ -2464,7 +2466,7 @@ split_reduction_stmt (gimple stmt)
 
   split_block (bb, stmt);
 
-  if (gsi_one_before_end_p (gsi_start_bb (bb)))
+  if (gsi_one_before_end_p (gsi_start_nondebug_bb (bb)))
     return bb;
 
   gsi = gsi_last_bb (bb);