diff options
Diffstat (limited to 'gcc/tree.h')
| -rw-r--r-- | gcc/tree.h | 25 |
1 files changed, 23 insertions, 2 deletions
@@ -4216,6 +4216,7 @@ extern tree round_down (tree, int); extern tree get_pending_sizes (void); extern void put_pending_size (tree); extern void put_pending_sizes (tree); +extern void finalize_size_functions (void); /* Type for sizes of data-type. */ @@ -4361,10 +4362,30 @@ extern bool contains_placeholder_p (const_tree); extern bool type_contains_placeholder_p (tree); +/* Given a tree EXP, find all occurences of references to fields + in a PLACEHOLDER_EXPR and place them in vector REFS without + duplicates. Also record VAR_DECLs and CONST_DECLs. Note that + we assume here that EXP contains only arithmetic expressions + or CALL_EXPRs with PLACEHOLDER_EXPRs occurring only in their + argument list. */ + +extern void find_placeholder_in_expr (tree, VEC (tree, heap) **); + +/* This macro calls the above function but short-circuits the common + case of a constant to save time and also checks for NULL. */ + +#define FIND_PLACEHOLDER_IN_EXPR(EXP, V) \ +do { \ + if((EXP) && !TREE_CONSTANT (EXP)) \ + find_placeholder_in_expr (EXP, V); \ +} while (0) + /* Given a tree EXP, a FIELD_DECL F, and a replacement value R, return a tree with all occurrences of references to F in a - PLACEHOLDER_EXPR replaced by R. Note that we assume here that EXP - contains only arithmetic expressions. */ + PLACEHOLDER_EXPR replaced by R. Also handle VAR_DECLs and + CONST_DECLs. Note that we assume here that EXP contains only + arithmetic expressions or CALL_EXPRs with PLACEHOLDER_EXPRs + occurring only in their argument list. */ extern tree substitute_in_expr (tree, tree, tree); |