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-rw-r--r--gcc/tree-iterator.c96
1 files changed, 0 insertions, 96 deletions
diff --git a/gcc/tree-iterator.c b/gcc/tree-iterator.c
index 53495ebae2a..43218f6b754 100644
--- a/gcc/tree-iterator.c
+++ b/gcc/tree-iterator.c
@@ -238,64 +238,6 @@ tsi_delink (tree_stmt_iterator *i)
i->ptr = next;
}
-/* Move all statements in the statement list after I to a new
- statement list. I itself is unchanged. */
-
-tree
-tsi_split_statement_list_after (const tree_stmt_iterator *i)
-{
- struct tree_statement_list_node *cur, *next;
- tree old_sl, new_sl;
-
- cur = i->ptr;
- /* How can we possibly split after the end, or before the beginning? */
- gcc_assert (cur);
- next = cur->next;
-
- old_sl = i->container;
- new_sl = alloc_stmt_list ();
- TREE_SIDE_EFFECTS (new_sl) = 1;
-
- STATEMENT_LIST_HEAD (new_sl) = next;
- STATEMENT_LIST_TAIL (new_sl) = STATEMENT_LIST_TAIL (old_sl);
- STATEMENT_LIST_TAIL (old_sl) = cur;
- cur->next = NULL;
- next->prev = NULL;
-
- return new_sl;
-}
-
-/* Move all statements in the statement list before I to a new
- statement list. I is set to the head of the new list. */
-
-tree
-tsi_split_statement_list_before (tree_stmt_iterator *i)
-{
- struct tree_statement_list_node *cur, *prev;
- tree old_sl, new_sl;
-
- cur = i->ptr;
- /* How can we possibly split after the end, or before the beginning? */
- gcc_assert (cur);
- prev = cur->prev;
-
- old_sl = i->container;
- new_sl = alloc_stmt_list ();
- TREE_SIDE_EFFECTS (new_sl) = 1;
- i->container = new_sl;
-
- STATEMENT_LIST_HEAD (new_sl) = cur;
- STATEMENT_LIST_TAIL (new_sl) = STATEMENT_LIST_TAIL (old_sl);
- STATEMENT_LIST_TAIL (old_sl) = prev;
- cur->prev = NULL;
- if (prev)
- prev->next = NULL;
- else
- STATEMENT_LIST_HEAD (old_sl) = NULL;
-
- return new_sl;
-}
-
/* Return the first expression in a sequence of COMPOUND_EXPRs,
or in a STATEMENT_LIST. */
@@ -320,19 +262,6 @@ expr_first (tree expr)
/* Return the last expression in a sequence of COMPOUND_EXPRs,
or in a STATEMENT_LIST. */
-#define EXPR_LAST_BODY do { \
- if (expr == NULL_TREE) \
- return expr;\
- if (TREE_CODE (expr) == STATEMENT_LIST) \
- { \
- struct tree_statement_list_node *n = STATEMENT_LIST_TAIL (expr); \
- return n ? n->stmt : NULL_TREE; \
- } \
- while (TREE_CODE (expr) == COMPOUND_EXPR) \
- expr = TREE_OPERAND (expr, 1); \
- return expr; \
-} while (0)
-
tree
expr_last (tree expr)
{
@@ -351,29 +280,4 @@ expr_last (tree expr)
return expr;
}
-/* If EXPR is a single statement return it. If EXPR is a
- STATEMENT_LIST containing exactly one statement S, return S.
- Otherwise, return NULL. */
-
-tree
-expr_only (tree expr)
-{
- if (expr == NULL_TREE)
- return NULL_TREE;
-
- if (TREE_CODE (expr) == STATEMENT_LIST)
- {
- struct tree_statement_list_node *n = STATEMENT_LIST_TAIL (expr);
- if (n && STATEMENT_LIST_HEAD (expr) == n)
- return n->stmt;
- else
- return NULL_TREE;
- }
-
- if (TREE_CODE (expr) == COMPOUND_EXPR)
- return NULL_TREE;
-
- return expr;
-}
-
#include "gt-tree-iterator.h"