diff options
Diffstat (limited to 'gcc/tree.h')
| -rw-r--r-- | gcc/tree.h | 24 |
1 files changed, 24 insertions, 0 deletions
@@ -2234,6 +2234,28 @@ struct tree_statement_list struct tree_statement_list_node *head; struct tree_statement_list_node *tail; }; + +#define VALUE_HANDLE_ID(NODE) \ + (VALUE_HANDLE_CHECK (NODE)->value_handle.id) + +#define VALUE_HANDLE_EXPR_SET(NODE) \ + (VALUE_HANDLE_CHECK (NODE)->value_handle.expr_set) + +/* Defined and used in tree-ssa-pre.c. */ +struct value_set; + +struct tree_value_handle GTY(()) +{ + struct tree_common common; + + /* The set of expressions represented by this handle. */ + struct value_set * GTY ((skip)) expr_set; + + /* Unique ID for this value handle. IDs are handed out in a + conveniently dense form starting at 0, so that we can make + bitmaps of value handles. */ + unsigned int id; +}; enum tree_node_structure_enum { TS_COMMON, @@ -2252,6 +2274,7 @@ enum tree_node_structure_enum { TS_PHI_NODE, TS_BLOCK, TS_STATEMENT_LIST, + TS_VALUE_HANDLE, LAST_TS_ENUM }; @@ -2278,6 +2301,7 @@ union tree_node GTY ((ptr_alias (union lang_tree_node), struct tree_phi_node GTY ((tag ("TS_PHI_NODE"))) phi; struct tree_block GTY ((tag ("TS_BLOCK"))) block; struct tree_statement_list GTY ((tag ("TS_STATEMENT_LIST"))) stmt_list; + struct tree_value_handle GTY ((tag ("TS_VALUE_HANDLE"))) value_handle; }; /* Standard named or nameless data types of the C compiler. */ |