* alias.c (get_alias_set): Remove handling of PLACEHOLDER_EXPR.

	* emit-rtl.c (component_ref_for_mem_expr): Likewise.
	(set_mem_attributes_minus_bitpos): Call SUBSTITUTE_PLACEHOLDER_IN_EXPR.
	* explow.c (expr_size): Likewise.
	* expr.h (placeholder_list, find_placeholder): Deleted.
	* expr.c (store_constructor): Likewise.
	(get_inner_reference): Likewise.  Also don't call find_placeholder.
	(placeholder_list, find_placeholder): Deleted.
	(is_aligning_offset): Don't handle WITH_RECORD_EXPR, PLACEHOLDER_EXPR.
	(expand_expr_real, cases PLACEHOLDER_EXPR, WITH_RECORD_EXPR): Likewise.
	(highest_pow2_factor, case WITH_RECORD_EXPR): Remove.
	* dojump.c (do_jump, case WITH_RECORD_EXPR): Likewise.
	* dwarf2out.c (loc_descriptor_from_tree, case WITH_RECORD_EXPR):
	Likewise.
	* fold-const.c (invert_truthvalue, case WITH_RECORD_EXPR): Likewise.
	(extract_muldiv, case WITH_RECORD_EXPR): Likewise.
	* tree.c (expr_align, case WITH_RECORD_EXPR): Likewise.
	(contains_placeholder_p): Don't handle WITH_RECORD_EXPR.
	Clean up by using first_rtl_op.
	(substitute_in_expr): Use SUBSTITUTE_IN_EXPR for recursive call.
	(substitute_placeholder_in_expr): New function.
	* tree.def (WITH_RECORD_EXPR): Deleted.
	* tree.h (SUBSTITUTE_IN_EXPR, SUBSTITUTE_PLACEHOLDER_IN_EXPR): New.
	(substitute_placeholder_in_expr): New.

	* ada/decl.c (gnat_to_gnu_entity): Use SUBSTITUTE_PLACEHOLDER_IN_EXPR.
	* ada/trans.c (tree_transform, emit_index_check): Likewise.
	* ada/utils.c (build_template): Likewise.
	(max_size, convert): Remove handling of WITH_RECORD_EXPR.
	(maybe_unconstrained_array, unchecked_convert): Likewise.
	* ada/utils2.c (gnat_truthvalue_conversion, build_binary_op): Likewise.
	(build_unary_op): Likewise.
	(compare_arrays, build_allocator): Use SUBSTITUTE_PLACEHOLDER_IN_EXPR.
	(fill_vms_descriptor): Likewise.
	(build_call_alloc_dealloc): Likewise.
	ALIGN is unsigned.
	* ada/gigi.h (build_call_alloc_dealloc): Alignment is unsigned.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@79789 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 6 insertions, 19 deletions

diff --git a/gcc/alias.c b/gcc/alias.c
index 2c7770d32f6..be10ba688a6 100644
--- a/gcc/alias.c
+++ b/gcc/alias.c
@@ -481,7 +481,6 @@ get_alias_set (tree t)
   if (! TYPE_P (t))
     {
       tree inner = t;
-      tree placeholder_ptr = 0;
 
       /* Remove any nops, then give the language a chance to do
 	 something with this tree before we look at it.  */
@@ -491,16 +490,10 @@ get_alias_set (tree t)
 	return set;
 
       /* First see if the actual object referenced is an INDIRECT_REF from a
-	 restrict-qualified pointer or a "void *".  Replace
-	 PLACEHOLDER_EXPRs.  */
-      while (TREE_CODE (inner) == PLACEHOLDER_EXPR
-	     || handled_component_p (inner))
+	 restrict-qualified pointer or a "void *".  */
+      while (handled_component_p (inner))
 	{
-	  if (TREE_CODE (inner) == PLACEHOLDER_EXPR)
-	    inner = find_placeholder (inner, &placeholder_ptr);
-	  else
-	    inner = TREE_OPERAND (inner, 0);
-
+	  inner = TREE_OPERAND (inner, 0);
 	  STRIP_NOPS (inner);
 	}
 
@@ -546,16 +539,10 @@ get_alias_set (tree t)
 	}
 
       /* Otherwise, pick up the outermost object that we could have a pointer
-	 to, processing conversion and PLACEHOLDER_EXPR as above.  */
-      placeholder_ptr = 0;
-      while (TREE_CODE (t) == PLACEHOLDER_EXPR
-	     || (handled_component_p (t) && ! can_address_p (t)))
+	 to, processing conversions as above.  */
+      while (handled_component_p (t) && ! can_address_p (t))
 	{
-	  if (TREE_CODE (t) == PLACEHOLDER_EXPR)
-	    t = find_placeholder (t, &placeholder_ptr);
-	  else
-	    t = TREE_OPERAND (t, 0);
-
+	  t = TREE_OPERAND (t, 0);
 	  STRIP_NOPS (t);
 	}