*/
#include "config.h"
-#ifdef HAVE_STRING_H
-# include <string.h>
-#endif
+#include <string.h>
#include <stdlib.h>
#include "callgraph.h"
static inline void set_cg_irg_visited (ir_graph *n, ir_visited_t i);
/** Returns the callgraph state of the program representation. */
-irp_callgraph_state get_irp_callgraph_state(void) {
+irp_callgraph_state get_irp_callgraph_state(void)
+{
return irp->callgraph_state;
}
/* Sets the callgraph state of the program representation. */
-void set_irp_callgraph_state(irp_callgraph_state s) {
+void set_irp_callgraph_state(irp_callgraph_state s)
+{
irp->callgraph_state = s;
}
/* Returns the number of procedures that call the given irg. */
-int get_irg_n_callers(ir_graph *irg) {
+int get_irg_n_callers(const ir_graph *irg)
+{
if (irg->callers) return ARR_LEN(irg->callers);
return -1;
}
/* Returns the caller at position pos. */
-ir_graph *get_irg_caller(ir_graph *irg, int pos) {
+ir_graph *get_irg_caller(const ir_graph *irg, int pos)
+{
assert(pos >= 0 && pos < get_irg_n_callers(irg));
if (irg->callers) return irg->callers[pos];
return NULL;
}
/* Returns non-zero if the caller at position pos is "a backedge", i.e. a recursion. */
-int is_irg_caller_backedge(ir_graph *irg, int pos) {
+int is_irg_caller_backedge(const ir_graph *irg, int pos)
+{
assert(pos >= 0 && pos < get_irg_n_callers(irg));
return irg->caller_isbe != NULL ? rbitset_is_set(irg->caller_isbe, pos) : 0;
}
/** Search the caller in the list of all callers and set it's backedge property. */
-static void set_irg_caller_backedge(ir_graph *irg, ir_graph *caller) {
+static void set_irg_caller_backedge(ir_graph *irg, ir_graph *caller)
+{
int i, n_callers = get_irg_n_callers(irg);
/* allocate a new array on demand */
}
/* Returns non-zero if the irg has a backedge caller. */
-int has_irg_caller_backedge(ir_graph *irg) {
+int has_irg_caller_backedge(const ir_graph *irg)
+{
int i, n_callers = get_irg_n_callers(irg);
if (irg->caller_isbe != NULL) {
* Given the position pos_caller of an caller of irg, return
* irg's callee position on that caller.
*/
-static int reverse_pos(ir_graph *callee, int pos_caller) {
+static int reverse_pos(const ir_graph *callee, int pos_caller)
+{
ir_graph *caller = get_irg_caller(callee, pos_caller);
/* search the other relation for the corresponding edge. */
int pos_callee = -1;
}
/* Returns the maximal loop depth of call nodes that call along this edge. */
-int get_irg_caller_loop_depth(ir_graph *irg, int pos) {
+int get_irg_caller_loop_depth(const ir_graph *irg, int pos)
+{
ir_graph *caller = get_irg_caller(irg, pos);
int pos_callee = reverse_pos(irg, pos);
/* Returns the number of procedures that are called by the given irg. */
-int get_irg_n_callees(ir_graph *irg) {
+int get_irg_n_callees(const ir_graph *irg)
+{
if (irg->callees) return ARR_LEN(irg->callees);
return -1;
}
/* Returns the callee at position pos. */
-ir_graph *get_irg_callee(ir_graph *irg, int pos) {
+ir_graph *get_irg_callee(const ir_graph *irg, int pos)
+{
assert(pos >= 0 && pos < get_irg_n_callees(irg));
if (irg->callees) return irg->callees[pos]->irg;
return NULL;
}
/* Returns non-zero if the callee at position pos is "a backedge", i.e. a recursion. */
-int is_irg_callee_backedge(ir_graph *irg, int pos) {
+int is_irg_callee_backedge(const ir_graph *irg, int pos)
+{
assert(pos >= 0 && pos < get_irg_n_callees(irg));
return irg->callee_isbe != NULL ? rbitset_is_set(irg->callee_isbe, pos) : 0;
}
/* Returns non-zero if the irg has a backedge callee. */
-int has_irg_callee_backedge(ir_graph *irg) {
+int has_irg_callee_backedge(const ir_graph *irg)
+{
int i, n_callees = get_irg_n_callees(irg);
if (irg->callee_isbe != NULL) {
/**
* Mark the callee at position pos as a backedge.
*/
-static void set_irg_callee_backedge(ir_graph *irg, int pos) {
+static void set_irg_callee_backedge(ir_graph *irg, int pos)
+{
int n = get_irg_n_callees(irg);
/* allocate a new array on demand */
}
/* Returns the maximal loop depth of call nodes that call along this edge. */
-int get_irg_callee_loop_depth(ir_graph *irg, int pos) {
+int get_irg_callee_loop_depth(const ir_graph *irg, int pos)
+{
assert(pos >= 0 && pos < get_irg_n_callees(irg));
if (irg->callees) return irg->callees[pos]->max_depth;
return -1;
}
-double get_irg_callee_execution_frequency(ir_graph *irg, int pos) {
+double get_irg_callee_execution_frequency(const ir_graph *irg, int pos)
+{
ir_node **arr = irg->callees[pos]->call_list;
int i, n_Calls = ARR_LEN(arr);
double freq = 0.0;
return freq;
}
-double get_irg_callee_method_execution_frequency(ir_graph *irg, int pos) {
+double get_irg_callee_method_execution_frequency(const ir_graph *irg, int pos)
+{
double call_freq = get_irg_callee_execution_frequency(irg, pos);
double meth_freq = get_irg_method_execution_frequency(irg);
return call_freq * meth_freq;
}
-double get_irg_caller_method_execution_frequency(ir_graph *irg, int pos) {
+double get_irg_caller_method_execution_frequency(const ir_graph *irg, int pos)
+{
ir_graph *caller = get_irg_caller(irg, pos);
int pos_callee = reverse_pos(irg, pos);
/**
* Walker called by compute_callgraph(), analyses all Call nodes.
*/
-static void ana_Call(ir_node *n, void *env) {
+static void ana_Call(ir_node *n, void *env)
+{
int i, n_callees;
ir_graph *irg;
(void) env;
ARR_APP1(ir_node *, arr, n);
found->call_list = arr;
} else { /* New node, add Call node and init nesting. */
- found = (cg_callee_entry *)obstack_alloc(irg->obst, sizeof(*found));
+ found = OALLOC(irg->obst, cg_callee_entry);
found->irg = callee;
found->call_list = NEW_ARR_F(ir_node *, 1);
found->call_list[0] = n;
}
/** compare two ir graphs in a cg_callee_entry */
-static int cg_callee_entry_cmp(const void *elt, const void *key) {
+static int cg_callee_entry_cmp(const void *elt, const void *key)
+{
const cg_callee_entry *e1 = elt;
const cg_callee_entry *e2 = key;
return e1->irg != e2->irg;
}
/** compare two ir graphs for pointer identity */
-static int graph_cmp(const void *elt, const void *key) {
+static int graph_cmp(const void *elt, const void *key)
+{
const ir_graph *e1 = elt;
const ir_graph *e2 = key;
return e1 != e2;
/* Construct and destruct the callgraph. */
-void compute_callgraph(void) {
+void compute_callgraph(void)
+{
int i, n_irgs;
#ifdef INTERPROCEDURAL_VIEW
}
/* Destruct the callgraph. */
-void free_callgraph(void) {
+void free_callgraph(void)
+{
int i, n_irgs = get_irp_n_irgs();
for (i = 0; i < n_irgs; ++i) {
ir_graph *irg = get_irp_irg(i);
/* ----------------------------------------------------------------------------------- */
-static void do_walk(ir_graph *irg, callgraph_walk_func *pre, callgraph_walk_func *post, void *env) {
+static void do_walk(ir_graph *irg, callgraph_walk_func *pre, callgraph_walk_func *post, void *env)
+{
int i, n_callees;
if (cg_irg_visited(irg))
post(irg, env);
}
-void callgraph_walk(callgraph_walk_func *pre, callgraph_walk_func *post, void *env) {
+void callgraph_walk(callgraph_walk_func *pre, callgraph_walk_func *post, void *env)
+{
int i, n_irgs = get_irp_n_irgs();
++master_cg_visited;
/**
* allocates a new scc_info on the obstack
*/
-static inline scc_info *new_scc_info(struct obstack *obst) {
- scc_info *info = obstack_alloc(obst, sizeof(*info));
- memset(info, 0, sizeof(*info));
- return info;
+static inline scc_info *new_scc_info(struct obstack *obst)
+{
+ return OALLOCZ(obst, scc_info);
}
/**
* Returns non-zero if a graph was already visited.
*/
-static inline int cg_irg_visited(ir_graph *irg) {
+static inline int cg_irg_visited(ir_graph *irg)
+{
return irg->self_visited >= master_cg_visited;
}
/**
* Marks a graph as visited.
*/
-static inline void mark_cg_irg_visited(ir_graph *irg) {
+static inline void mark_cg_irg_visited(ir_graph *irg)
+{
irg->self_visited = master_cg_visited;
}
/**
* Set a graphs visited flag to i.
*/
-static inline void set_cg_irg_visited(ir_graph *irg, ir_visited_t i) {
+static inline void set_cg_irg_visited(ir_graph *irg, ir_visited_t i)
+{
irg->self_visited = i;
}
/**
* Returns the visited flag of a graph.
*/
-static inline ir_visited_t get_cg_irg_visited(ir_graph *irg) {
+static inline ir_visited_t get_cg_irg_visited(ir_graph *irg)
+{
return irg->self_visited;
}
-static inline void mark_irg_in_stack(ir_graph *irg) {
+static inline void mark_irg_in_stack(ir_graph *irg)
+{
scc_info *info = get_irg_link(irg);
assert(info && "missing call to init_scc()");
info->in_stack = 1;
}
-static inline void mark_irg_not_in_stack(ir_graph *irg) {
+static inline void mark_irg_not_in_stack(ir_graph *irg)
+{
scc_info *info = get_irg_link(irg);
assert(info && "missing call to init_scc()");
info->in_stack = 0;
}
-static inline int irg_is_in_stack(ir_graph *irg) {
+static inline int irg_is_in_stack(ir_graph *irg)
+{
scc_info *info = get_irg_link(irg);
assert(info && "missing call to init_scc()");
return info->in_stack;
}
-static inline void set_irg_uplink(ir_graph *irg, int uplink) {
+static inline void set_irg_uplink(ir_graph *irg, int uplink)
+{
scc_info *info = get_irg_link(irg);
assert(info && "missing call to init_scc()");
info->uplink = uplink;
}
-static inline int get_irg_uplink(ir_graph *irg) {
+static inline int get_irg_uplink(ir_graph *irg)
+{
scc_info *info = get_irg_link(irg);
assert(info && "missing call to init_scc()");
return info->uplink;
}
-static inline void set_irg_dfn(ir_graph *irg, int dfn) {
+static inline void set_irg_dfn(ir_graph *irg, int dfn)
+{
scc_info *info = get_irg_link(irg);
assert(info && "missing call to init_scc()");
info->dfn = dfn;
}
-static inline int get_irg_dfn(ir_graph *irg) {
+static inline int get_irg_dfn(ir_graph *irg)
+{
scc_info *info = get_irg_link(irg);
assert(info && "missing call to init_scc()");
return info->dfn;
/**
* Initialize the irg stack.
*/
-static inline void init_stack(void) {
+static inline void init_stack(void)
+{
if (stack) {
ARR_RESIZE(ir_graph *, stack, 1000);
} else {
* push a graph on the irg stack
* @param n the graph to be pushed
*/
-static inline void push(ir_graph *irg) {
+static inline void push(ir_graph *irg)
+{
if (tos == ARR_LEN(stack)) {
int nlen = ARR_LEN(stack) * 2;
ARR_RESIZE(ir_node *, stack, nlen);
/**
* return the topmost graph on the stack and pop it
*/
-static inline ir_graph *pop(void) {
+static inline ir_graph *pop(void)
+{
ir_graph *irg = stack[--tos];
mark_irg_not_in_stack(irg);
return irg;
* The nodes up to irg belong to the current loop.
* Removes them from the stack and adds them to the current loop.
*/
-static inline void pop_scc_to_loop(ir_graph *irg) {
+static inline void pop_scc_to_loop(ir_graph *irg)
+{
ir_graph *m;
do {
add_loop_irg(current_loop, m);
m->l = current_loop;
//m->callgraph_loop_depth = current_loop->depth;
- } while(m != irg);
+ } while (m != irg);
}
/* GL ??? my last son is my grandson??? Removes cfloops with no
ir_nodes in them. Such loops have only another loop as son. (Why
can't they have two loops as sons? Does it never get that far? ) */
-static void close_loop(ir_loop *l) {
+static void close_loop(ir_loop *l)
+{
int last = get_loop_n_elements(l) - 1;
loop_element lelement = get_loop_element(l, last);
ir_loop *last_son = lelement.son;
* Removes and unmarks all nodes up to n from the stack.
* The nodes must be visited once more to assign them to a scc.
*/
-static inline void pop_scc_unmark_visit(ir_graph *n) {
+static inline void pop_scc_unmark_visit(ir_graph *n)
+{
ir_graph *m = NULL;
while (m != n) {
* Allocates a new loop as son of current_loop. Sets current_loop
* to the new loop and returns the father.
*/
-static ir_loop *new_loop(void) {
+static ir_loop *new_loop(void)
+{
ir_loop *father = current_loop;
ir_loop *son = alloc_loop(father, outermost_ir_graph->obst);
/* Initialization steps. **********************************************/
-static void init_scc(struct obstack *obst) {
+static void init_scc(struct obstack *obst)
+{
int i;
int n_irgs;
*
* @param root: only needed for assertion.
*/
-static int is_head(ir_graph *n, ir_graph *root) {
+static int is_head(ir_graph *n, ir_graph *root)
+{
int i, arity;
int some_outof_loop = 0, some_in_loop = 0;
}
}
- return some_outof_loop & some_in_loop;
+ return some_outof_loop && some_in_loop;
}
/**
some_in_loop = 1;
}
}
- return !some_outof_loop & some_in_loop;
+ return !some_outof_loop && some_in_loop;
}
#ifdef INTERPROCEDURAL_VIEW
}
/** Returns index of the predecessor with the largest dfn number. */
-static int largest_dfn_pred(ir_graph *n) {
+static int largest_dfn_pred(ir_graph *n)
+{
int i, index = -2, max = -1;
int arity = get_irg_n_callees(n);
}
#ifndef INTERPROCEDURAL_VIEW
-static ir_graph *find_tail(ir_graph *n) {
+static ir_graph *find_tail(ir_graph *n)
+{
ir_graph *m;
int i, res_index = -2;
return get_irg_callee(m, res_index);
}
#else
-static ir_graph *find_tail(ir_graph *n) {
+static ir_graph *find_tail(ir_graph *n)
+{
ir_graph *m;
int i, res_index = -2;
*-----------------------------------------------------------*/
-static void cgscc(ir_graph *n) {
+static void cgscc(ir_graph *n)
+{
int i, arity;
if (cg_irg_visited(n)) return;
/**
* reset the backedge information for all callers in all irgs
*/
-static void reset_isbe(void) {
+static void reset_isbe(void)
+{
int i, n_irgs = get_irp_n_irgs();
for (i = 0; i < n_irgs; ++i) {
/* weight. Assign graphs the maximal depth. */
/* ----------------------------------------------------------------------------------- */
-static void compute_loop_depth(ir_graph *irg, void *env) {
+static void compute_loop_depth(ir_graph *irg, void *env)
+{
int current_nesting = *(int *) env;
int old_nesting = irg->callgraph_loop_depth;
ir_visited_t old_visited = get_cg_irg_visited(irg);
/**
* push a loop entry on the stack
*/
-static void push2(ana_entry2 *e, ir_loop *g) {
+static void push2(ana_entry2 *e, ir_loop *g)
+{
if (ARR_LEN(e->loop_stack) == e->tos) {
ARR_APP1(ir_loop *, e->loop_stack, g);
} else {
/**
* returns the top of stack and pop it
*/
-static ir_loop *pop2(ana_entry2 *e) {
+static ir_loop *pop2(ana_entry2 *e)
+{
return e->loop_stack[--e->tos];
}
/**
* check if a loop g in on the stack. Did not check the TOS.
*/
-static int in_stack(ana_entry2 *e, ir_loop *g) {
+static int in_stack(ana_entry2 *e, ir_loop *g)
+{
int i;
for (i = e->tos-1; i >= 0; --i) {
if (e->loop_stack[i] == g) return 1;
return 0;
}
-static void compute_rec_depth(ir_graph *irg, void *env) {
+static void compute_rec_depth(ir_graph *irg, void *env)
+{
ana_entry2 *e = (ana_entry2 *)env;
ir_loop *l = irg->l;
int depth, old_depth = irg->callgraph_recursion_depth;
/* ----------------------------------------------------------------------------------- */
/* Returns the method execution frequency of a graph. */
-double get_irg_method_execution_frequency(ir_graph *irg) {
+double get_irg_method_execution_frequency(const ir_graph *irg)
+{
return irg->method_execution_frequency;
}
* Increase the method execution frequency to freq if its current value is
* smaller then this.
*/
-static void set_irg_method_execution_frequency(ir_graph *irg, double freq) {
+static void set_irg_method_execution_frequency(ir_graph *irg, double freq)
+{
irg->method_execution_frequency = freq;
if (irp->max_method_execution_frequency < freq)
irp->max_method_execution_frequency = freq;
}
-static void compute_method_execution_frequency(ir_graph *irg, void *env) {
+static void compute_method_execution_frequency(ir_graph *irg, void *env)
+{
int i, n_callers;
double freq;
int found_edge;
/* ----------------------------------------------------------------------------------- */
/* Compute the backedges that represent recursions. */
-void find_callgraph_recursions(void) {
+void find_callgraph_recursions(void)
+{
int i, n_irgs;
struct obstack temp;
}
/* Compute interprocedural performance estimates. */
-void compute_performance_estimates(void) {
+void compute_performance_estimates(void)
+{
int i, n_irgs = get_irp_n_irgs();
int current_nesting;
ana_entry2 e;
/* Returns the maximal loop depth of all paths from an external visible method to
this irg. */
-int get_irg_loop_depth(ir_graph *irg) {
+int get_irg_loop_depth(const ir_graph *irg)
+{
assert(irp->callgraph_state == irp_callgraph_consistent ||
irp->callgraph_state == irp_callgraph_and_calltree_consistent);
return irg->callgraph_loop_depth;
/* Returns the maximal recursion depth of all paths from an external visible method to
this irg. */
-int get_irg_recursion_depth(ir_graph *irg) {
+int get_irg_recursion_depth(const ir_graph *irg)
+{
assert(irp->callgraph_state == irp_callgraph_and_calltree_consistent);
return irg->callgraph_recursion_depth;
}
/* Computes the interprocedural loop nesting information. */
-void analyse_loop_nesting_depth(void) {
+void analyse_loop_nesting_depth(void)
+{
ir_entity **free_methods = NULL;
int arr_len;
set_irp_loop_nesting_depth_state(loop_nesting_depth_consistent);
}
-loop_nesting_depth_state get_irp_loop_nesting_depth_state(void) {
+loop_nesting_depth_state get_irp_loop_nesting_depth_state(void)
+{
return irp->lnd_state;
}
-void set_irp_loop_nesting_depth_state(loop_nesting_depth_state s) {
+void set_irp_loop_nesting_depth_state(loop_nesting_depth_state s)
+{
irp->lnd_state = s;
}
-void set_irp_loop_nesting_depth_state_inconsistent(void) {
+void set_irp_loop_nesting_depth_state_inconsistent(void)
+{
if (irp->lnd_state == loop_nesting_depth_consistent)
irp->lnd_state = loop_nesting_depth_inconsistent;
}
projects / libfirm / blobdiff