1275       gimple *def_stmt;  in vn_reference_maybe_forwprop_address()  local
1279       def_stmt = SSA_NAME_DEF_STMT (op->op0);  in vn_reference_maybe_forwprop_address()
1280       if (!is_gimple_assign (def_stmt))  in vn_reference_maybe_forwprop_address()
1283       code = gimple_assign_rhs_code (def_stmt);  in vn_reference_maybe_forwprop_address()
1298 	  addr = gimple_assign_rhs1 (def_stmt);  in vn_reference_maybe_forwprop_address()
1347 	  ptr = gimple_assign_rhs1 (def_stmt);  in vn_reference_maybe_forwprop_address()
1348 	  ptroff = gimple_assign_rhs2 (def_stmt);  in vn_reference_maybe_forwprop_address()
2499   gimple *def_stmt = SSA_NAME_DEF_STMT (vuse);  in vn_reference_lookup_3()  local
2508   if (is_gimple_assign (def_stmt))  in vn_reference_lookup_3()
2510       tree lhs = gimple_assign_lhs (def_stmt);  in vn_reference_lookup_3()
2515       vn_context_bb = gimple_bb (def_stmt);  in vn_reference_lookup_3()
2571 	  void *res = vn_reference_lookup_2 (ref, gimple_vuse (def_stmt), data);  in vn_reference_lookup_3()
2579 	      tree rhs = gimple_assign_rhs1 (def_stmt);  in vn_reference_lookup_3()
2596 	   && gimple_call_builtin_p (def_stmt, BUILT_IN_NORMAL)  in vn_reference_lookup_3()
2597 	   && gimple_call_num_args (def_stmt) <= 4)  in vn_reference_lookup_3()
2607       for (unsigned i = 0; i < gimple_call_num_args (def_stmt); ++i)  in vn_reference_lookup_3()
2609 	  oldargs[i] = gimple_call_arg (def_stmt, i);  in vn_reference_lookup_3()
2613 	      gimple_call_set_arg (def_stmt, i, val);  in vn_reference_lookup_3()
2619 	  bool res = call_may_clobber_ref_p_1 (as_a <gcall *> (def_stmt),  in vn_reference_lookup_3()
2621 	  for (unsigned i = 0; i < gimple_call_num_args (def_stmt); ++i)  in vn_reference_lookup_3()
2622 	    gimple_call_set_arg (def_stmt, i, oldargs[i]);  in vn_reference_lookup_3()
2646       && (gimple_call_builtin_p (def_stmt, BUILT_IN_MEMSET)  in vn_reference_lookup_3()
2647 	  || gimple_call_builtin_p (def_stmt, BUILT_IN_MEMSET_CHK))  in vn_reference_lookup_3()
2648       && (integer_zerop (gimple_call_arg (def_stmt, 1))  in vn_reference_lookup_3()
2649 	  || ((TREE_CODE (gimple_call_arg (def_stmt, 1)) == INTEGER_CST  in vn_reference_lookup_3()
2657 		  || TREE_CODE (gimple_call_arg (def_stmt, 1)) == INTEGER_CST)))  in vn_reference_lookup_3()
2658       && (poly_int_tree_p (gimple_call_arg (def_stmt, 2))  in vn_reference_lookup_3()
2659 	  || (TREE_CODE (gimple_call_arg (def_stmt, 2)) == SSA_NAME  in vn_reference_lookup_3()
2660 	      && poly_int_tree_p (SSA_VAL (gimple_call_arg (def_stmt, 2)))))  in vn_reference_lookup_3()
2661       && (TREE_CODE (gimple_call_arg (def_stmt, 0)) == ADDR_EXPR  in vn_reference_lookup_3()
2662 	  || TREE_CODE (gimple_call_arg (def_stmt, 0)) == SSA_NAME))  in vn_reference_lookup_3()
2667       tree ref2 = gimple_call_arg (def_stmt, 0);  in vn_reference_lookup_3()
2675 	      gimple *def_stmt = SSA_NAME_DEF_STMT (ref2);  in vn_reference_lookup_3()  local
2676 	      if (gimple_assign_single_p (def_stmt)  in vn_reference_lookup_3()
2677 		  && gimple_assign_rhs_code (def_stmt) == ADDR_EXPR)  in vn_reference_lookup_3()
2678 		ref2 = gimple_assign_rhs1 (def_stmt);  in vn_reference_lookup_3()
2723       tree len = gimple_call_arg (def_stmt, 2);  in vn_reference_lookup_3()
2738 	  if (integer_zerop (gimple_call_arg (def_stmt, 1)))  in vn_reference_lookup_3()
2745 				      vr->type, gimple_call_arg (def_stmt, 1));  in vn_reference_lookup_3()
2758 	      memset (buf, TREE_INT_CST_LOW (gimple_call_arg (def_stmt, 1)),  in vn_reference_lookup_3()
2790 	       && integer_zerop (gimple_call_arg (def_stmt, 1))  in vn_reference_lookup_3()
2810 	   && gimple_assign_single_p (def_stmt)  in vn_reference_lookup_3()
2811 	   && gimple_assign_rhs_code (def_stmt) == CONSTRUCTOR  in vn_reference_lookup_3()
2812 	   && CONSTRUCTOR_NELTS (gimple_assign_rhs1 (def_stmt)) == 0)  in vn_reference_lookup_3()
2832 	      if (gimple_clobber_p (def_stmt))  in vn_reference_lookup_3()
2850 	      pd.rhs = gimple_assign_rhs1 (def_stmt);  in vn_reference_lookup_3()
2866 	   && gimple_assign_single_p (def_stmt)  in vn_reference_lookup_3()
2874 	   && (is_gimple_min_invariant (gimple_assign_rhs1 (def_stmt))  in vn_reference_lookup_3()
2875 	       || (TREE_CODE (gimple_assign_rhs1 (def_stmt)) == SSA_NAME  in vn_reference_lookup_3()
2876 		   && is_gimple_min_invariant (SSA_VAL (gimple_assign_rhs1 (def_stmt))))))  in vn_reference_lookup_3()
2878       tree lhs = gimple_assign_lhs (def_stmt);  in vn_reference_lookup_3()
2906 	      tree rhs = gimple_assign_rhs1 (def_stmt);  in vn_reference_lookup_3()
2999 	      tree rhs = gimple_assign_rhs1 (def_stmt);  in vn_reference_lookup_3()
3018 	   && gimple_assign_single_p (def_stmt)  in vn_reference_lookup_3()
3019 	   && TREE_CODE (gimple_assign_rhs1 (def_stmt)) == SSA_NAME)  in vn_reference_lookup_3()
3021       tree lhs = gimple_assign_lhs (def_stmt);  in vn_reference_lookup_3()
3032       tree def_rhs = gimple_assign_rhs1 (def_stmt);  in vn_reference_lookup_3()
3094 	   && gimple_assign_single_p (def_stmt)  in vn_reference_lookup_3()
3095 	   && (DECL_P (gimple_assign_rhs1 (def_stmt))  in vn_reference_lookup_3()
3096 	       || TREE_CODE (gimple_assign_rhs1 (def_stmt)) == MEM_REF  in vn_reference_lookup_3()
3097 	       || handled_component_p (gimple_assign_rhs1 (def_stmt))))  in vn_reference_lookup_3()
3116 	  || !stmt_kills_ref_p (def_stmt, ref))  in vn_reference_lookup_3()
3167       tree rhs1 = gimple_assign_rhs1 (def_stmt);  in vn_reference_lookup_3()
3283 	   && (gimple_call_builtin_p (def_stmt, BUILT_IN_MEMCPY)  in vn_reference_lookup_3()
3284 	       || gimple_call_builtin_p (def_stmt, BUILT_IN_MEMCPY_CHK)  in vn_reference_lookup_3()
3285 	       || gimple_call_builtin_p (def_stmt, BUILT_IN_MEMPCPY)  in vn_reference_lookup_3()
3286 	       || gimple_call_builtin_p (def_stmt, BUILT_IN_MEMPCPY_CHK)  in vn_reference_lookup_3()
3287 	       || gimple_call_builtin_p (def_stmt, BUILT_IN_MEMMOVE)  in vn_reference_lookup_3()
3288 	       || gimple_call_builtin_p (def_stmt, BUILT_IN_MEMMOVE_CHK))  in vn_reference_lookup_3()
3289 	   && (TREE_CODE (gimple_call_arg (def_stmt, 0)) == ADDR_EXPR  in vn_reference_lookup_3()
3290 	       || TREE_CODE (gimple_call_arg (def_stmt, 0)) == SSA_NAME)  in vn_reference_lookup_3()
3291 	   && (TREE_CODE (gimple_call_arg (def_stmt, 1)) == ADDR_EXPR  in vn_reference_lookup_3()
3292 	       || TREE_CODE (gimple_call_arg (def_stmt, 1)) == SSA_NAME)  in vn_reference_lookup_3()
3293 	   && (poly_int_tree_p (gimple_call_arg (def_stmt, 2), &copy_size)  in vn_reference_lookup_3()
3294 	       || (TREE_CODE (gimple_call_arg (def_stmt, 2)) == SSA_NAME  in vn_reference_lookup_3()
3295 		   && poly_int_tree_p (SSA_VAL (gimple_call_arg (def_stmt, 2)),  in vn_reference_lookup_3()
3314       lhs = gimple_call_arg (def_stmt, 0);  in vn_reference_lookup_3()
3321 	      gimple *def_stmt = SSA_NAME_DEF_STMT (lhs);  in vn_reference_lookup_3()  local
3322 	      if (gimple_assign_single_p (def_stmt)  in vn_reference_lookup_3()
3323 		  && gimple_assign_rhs_code (def_stmt) == ADDR_EXPR)  in vn_reference_lookup_3()
3324 		lhs = gimple_assign_rhs1 (def_stmt);  in vn_reference_lookup_3()
3351       rhs = gimple_call_arg (def_stmt, 1);  in vn_reference_lookup_3()
5959 	  gimple *def_stmt = SSA_NAME_DEF_STMT (sprime);  in eliminate_stmt()  local
5960 	  basic_block def_bb = gimple_bb (def_stmt);  in eliminate_stmt()
5961 	  if (gimple_code (def_stmt) == GIMPLE_PHI  in eliminate_stmt()