/*
- * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
+ * Copyright (C) 1995-2011 University of Karlsruhe. All right reserved.
*
* This file is part of libFirm.
*
* Default implementation for finding a pointer type for a given element type.
* Simple create a new one.
*/
-static ir_type *def_find_pointer_type(ir_type *e_type, ir_mode *mode, int alignment)
+static ir_type *def_find_pointer_type(ir_type *e_type, ir_mode *mode,
+ int alignment)
{
- ir_type *res;
- pmap_entry *e;
-
/* Mode and alignment are always identical in all calls to def_find_pointer_type(), so
we simply can use a map from the element type to the pointer type. */
- e = pmap_find(type_map, e_type);
- if (e && get_type_mode(e->value) == mode)
- res = e->value;
- else {
+ ir_type *res = (ir_type*)pmap_get(type_map, e_type);
+ if (res == NULL || get_type_mode(res) != mode) {
res = new_type_pointer(e_type);
set_type_mode(res, mode);
set_type_alignment_bytes(res, alignment);
/**
* Walker environment for fix_args_and_collect_calls().
*/
-typedef struct _wlk_env_t {
+typedef struct wlk_env_t {
int arg_shift; /**< The Argument index shift for parameters. */
int first_hidden; /**< The index of the first hidden argument. */
struct obstack obst; /**< An obstack to allocate the data on. */
* @param call A Call node.
* @param env The environment.
*/
-static cl_entry *get_Call_entry(ir_node *call, wlk_env *env) {
- cl_entry *res = get_irn_link(call);
+static cl_entry *get_Call_entry(ir_node *call, wlk_env *env)
+{
+ cl_entry *res = (cl_entry*)get_irn_link(call);
if (res == NULL) {
cl_entry *res = OALLOC(&env->obst, cl_entry);
res->next = env->cl_list;
* @param adr the address
* @param pEnt points to the base entity if any
*/
-static ir_node *find_base_adr(ir_node *ptr, ir_entity **pEnt) {
+static ir_node *find_base_adr(ir_node *ptr, ir_entity **pEnt)
+{
ir_entity *ent = NULL;
assert(mode_is_reference(get_irn_mode(ptr)));
/**
* Check if a given pointer represents non-local memory.
*/
-static void check_ptr(ir_node *ptr, wlk_env *env) {
+static void check_ptr(ir_node *ptr, wlk_env *env)
+{
ir_storage_class_class_t sc;
ir_entity *ent;
/* still alias free */
ptr = find_base_adr(ptr, &ent);
- sc = GET_BASE_SC(classify_pointer(current_ir_graph, ptr, ent));
+ sc = get_base_sc(classify_pointer(ptr, ent));
if (sc != ir_sc_localvar && sc != ir_sc_malloced) {
/* non-local memory access */
env->only_local_mem = 0;
* If a non-alias free memory access is found, reset the alias free
* flag.
*/
-static void fix_args_and_collect_calls(ir_node *n, void *ctx) {
- wlk_env *env = ctx;
+static void fix_args_and_collect_calls(ir_node *n, void *ctx)
+{
+ wlk_env *env = (wlk_env*)ctx;
int i;
ir_type *ctp;
ir_node *ptr;
* return values) to be 1 (C, C++) in almost all cases, so ignore the
* linear search complexity here.
*/
-static void do_copy_return_opt(ir_node *n, void *ctx) {
- cr_pair *arr = ctx;
- int i;
-
+static void do_copy_return_opt(ir_node *n, void *ctx)
+{
if (is_Sel(n)) {
ir_entity *ent = get_Sel_entity(n);
+ cr_pair *arr = (cr_pair*)ctx;
+ size_t i, l;
- for (i = ARR_LEN(arr) - 1; i >= 0; --i) {
+ for (i = 0, l = ARR_LEN(arr); i < l; ++i) {
if (ent == arr[i].ent) {
exchange(n, arr[i].arg);
break;
/* use a map the check if we already create such an entity */
e = pmap_find(env->dummy_map, tp);
if (e)
- ent = e->value;
+ ent = (ir_entity*)e->value;
else {
ir_type *ft = get_irg_frame_type(irg);
char buf[16];
ir_node *p, *n, *src, *mem, *blk;
ir_entity *ent;
ir_type *owner;
- int idx, n_args;
+ int n_args;
n_args = 0;
for (p = entry->copyb; p; p = n) {
- n = get_irn_link(p);
+ size_t idx;
+ n = (ir_node*)get_irn_link(p);
src = get_CopyB_src(p);
/* old scheme using value_res_ent */
/* now create dummy entities for function with ignored return value */
if (n_args < n_com) {
ir_type *ctp = get_Call_type(entry->call);
- int i, j;
+ size_t i;
+ size_t j;
if (is_lowered_type(ctp))
ctp = get_associated_type(ctp);
* @param irg the graph
* @param env the environment
*/
-static void fix_call_list(ir_graph *irg, wlk_env *env) {
+static void fix_call_list(ir_graph *irg, wlk_env *env)
+{
const lower_params_t *lp = env->params;
cl_entry *p;
ir_node *call, **new_in;
*/
static void transform_irg(const lower_params_t *lp, ir_graph *irg)
{
- ir_graph * rem = current_ir_graph;
+ ir_graph *rem = current_ir_graph;
ir_entity *ent = get_irg_entity(irg);
ir_type *mtp, *lowered_mtp, *tp, *ft;
- int i, j, k, n_ress = 0, n_ret_com = 0, n_cr_opt;
+ int i, j, k, n_ress = 0, n_ret_com = 0;
+ size_t n_cr_opt;
ir_node **new_in, *ret, *endbl, *bl, *mem, *copy;
cr_pair *cr_opt;
wlk_env env;
if (is_compound_type(tp)) {
ir_node *arg = get_irg_args(irg);
- arg = new_r_Proj(get_nodes_block(arg), arg, mode_P_data, env.first_hidden + k);
+ arg = new_r_Proj(arg, mode_P_data, env.first_hidden + k);
++k;
if (is_Unknown(pred)) {
pred,
tp
);
- mem = new_r_Proj(bl, copy, mode_M, pn_CopyB_M);
+ mem = new_r_Proj(copy, mode_M, pn_CopyB_M);
}
}
if (lp->flags & LF_RETURN_HIDDEN) {
set_irn_in(ret, j, new_in);
if (n_cr_opt > 0) {
+ size_t i, n;
+
irg_walk_graph(irg, NULL, do_copy_return_opt, cr_opt);
- for (i = ARR_LEN(cr_opt) - 1; i >= 0; --i) {
- remove_class_member(ft, cr_opt[i].ent);
+ for (i = 0, n = ARR_LEN(cr_opt); i < n; ++i) {
+ free_entity(cr_opt[i].ent);
}
}
} /* if (n_ret_com) */
* @param lp lowering parameters
* @param tp The type.
*/
-static int must_be_lowered(const lower_params_t *lp, ir_type *tp) {
+static int must_be_lowered(const lower_params_t *lp, ir_type *tp)
+{
int i, n_ress;
ir_type *res_tp;
*/
static void lower_method_types(type_or_ent tore, void *env)
{
- const lower_params_t *lp = env;
+ const lower_params_t *lp = (const lower_params_t*)env;
ir_type *tp;
/* fix method entities */
*/
void lower_calls_with_compounds(const lower_params_t *params)
{
- int i;
+ size_t i, n;
ir_graph *irg;
lower_params_t param = *params;
type_map = NULL;
/* first step: Transform all graphs */
- for (i = get_irp_n_irgs() - 1; i >= 0; --i) {
+ for (i = 0, n = get_irp_n_irgs(); i < n; ++i) {
irg = get_irp_irg(i);
transform_irg(¶m, irg);
projects / libfirm / blobdiff