diff options
Diffstat (limited to 'gcc/tree-flow.h')
| -rw-r--r-- | gcc/tree-flow.h | 32 |
1 files changed, 14 insertions, 18 deletions
diff --git a/gcc/tree-flow.h b/gcc/tree-flow.h index 476f02e..286c60b 100644 --- a/gcc/tree-flow.h +++ b/gcc/tree-flow.h @@ -138,8 +138,8 @@ struct mem_ref_stats_d GTY(()) fields should have gimple_set accessor. */ struct gimple_df GTY(()) { - /* Bitmap of all variables referenced in the function. */ - bitmap referenced_vars; + /* Array of all variables referenced in the function. */ + htab_t GTY((param_is (union tree_node))) referenced_vars; /* A list of all the noreturn calls passed to modify_stmt. cleanup_control_flow uses it to detect cases where a mid-block @@ -569,29 +569,25 @@ struct int_tree_map GTY(()) extern unsigned int int_tree_map_hash (const void *); extern int int_tree_map_eq (const void *, const void *); +extern unsigned int uid_decl_map_hash (const void *); +extern int uid_decl_map_eq (const void *, const void *); + typedef struct { - bitmap_iterator bi; - unsigned int i; + htab_iterator hti; } referenced_var_iterator; + /* This macro loops over all the referenced vars, one at a time, putting the - current var in VAR. Note: It is undefined whether referenced variables - you add or remove during the iteration show up or not. */ + current var in VAR. Note: You are not allowed to add referenced variables + to the hashtable while using this macro. Doing so may cause it to behave + erratically. */ #define FOR_EACH_REFERENCED_VAR(VAR, ITER) \ - for (bmp_iter_set_init (&(ITER).bi, gimple_referenced_vars (cfun), 0, &(ITER).i); \ - referenced_var_iterator_set (&(ITER), &(VAR)); \ - bmp_iter_next (&(ITER).bi, &(ITER).i)) - -/* Iterate over all variables whose UID is set in the bitmap BM, putting the - current var in VAR. Note: It is undefined whether variables you add or - remove during the iteration show up or not. */ + for ((VAR) = first_referenced_var (&(ITER)); \ + !end_referenced_vars_p (&(ITER)); \ + (VAR) = next_referenced_var (&(ITER))) -#define FOR_EACH_REFERENCED_VAR_IN_BITMAP(BM, VAR, ITER) \ - for (bmp_iter_set_init (&(ITER).bi, (BM), 0, &(ITER).i); \ - referenced_var_iterator_set (&(ITER), &(VAR)); \ - bmp_iter_next (&(ITER).bi, &(ITER).i)) typedef struct { @@ -613,7 +609,7 @@ typedef struct extern tree referenced_var_lookup (unsigned int); extern bool referenced_var_check_and_insert (tree); -#define num_referenced_vars bitmap_count_bits (gimple_referenced_vars (cfun)) +#define num_referenced_vars htab_elements (gimple_referenced_vars (cfun)) #define referenced_var(i) referenced_var_lookup (i) #define num_ssa_names (VEC_length (tree, cfun->gimple_df->ssa_names)) |