projects
/
libfirm
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
added Makefile for make environment
[libfirm]
/
ir
/
be
/
belive.c
diff --git
a/ir/be/belive.c
b/ir/be/belive.c
index
6d47244
..
74dcf43
100644
(file)
--- a/
ir/be/belive.c
+++ b/
ir/be/belive.c
@@
-30,16
+30,25
@@
void be_liveness_init(void)
live_irg_data_offset = register_additional_graph_data(sizeof(irn_live_t));
}
live_irg_data_offset = register_additional_graph_data(sizeof(irn_live_t));
}
+/**
+ * Mark a node as live-in in a block.
+ */
static INLINE void mark_live_in(ir_node *block, const ir_node *irn)
{
_get_or_set_live(block, irn, live_state_in);
}
static INLINE void mark_live_in(ir_node *block, const ir_node *irn)
{
_get_or_set_live(block, irn, live_state_in);
}
+/**
+ * Mark a node as live-out in a block.
+ */
static INLINE void mark_live_out(ir_node *block, const ir_node *irn)
{
_get_or_set_live(block, irn, live_state_out | live_state_end);
}
static INLINE void mark_live_out(ir_node *block, const ir_node *irn)
{
_get_or_set_live(block, irn, live_state_out | live_state_end);
}
+/**
+ * Mark a node as live-end in a block.
+ */
static INLINE void mark_live_end(ir_node *block, const ir_node *irn)
{
_get_or_set_live(block, irn, live_state_end);
static INLINE void mark_live_end(ir_node *block, const ir_node *irn)
{
_get_or_set_live(block, irn, live_state_end);
@@
-146,6
+155,9
@@
static void liveness_for_node(ir_node *irn, void *env)
del_pset(visited);
}
del_pset(visited);
}
+/**
+ * Compare two live entries.
+ */
static int cmp_irn_live(const void *a, const void *b, size_t size)
{
const irn_live_t *p = a;
static int cmp_irn_live(const void *a, const void *b, size_t size)
{
const irn_live_t *p = a;
@@
-192,6
+204,7
@@
static int dump_block_func(ir_node *self, FILE *F, dump_reason_t reason)
return 0;
}
return 0;
}
+/* Compute the inter block liveness for a graph. */
void be_liveness(ir_graph *irg)
{
irg_live_info_t *live_info = get_irg_live_info(irg);
void be_liveness(ir_graph *irg)
{
irg_live_info_t *live_info = get_irg_live_info(irg);
@@
-205,6
+218,9
@@
void be_liveness(ir_graph *irg)
op_Block->ops.dump_node = dump_block_func;
}
op_Block->ops.dump_node = dump_block_func;
}
+/**
+ * Pre-walker: dump liveness data to a file
+ */
static void dump_liveness_walker(ir_node *bl, void *data)
{
FILE *f = data;
static void dump_liveness_walker(ir_node *bl, void *data)
{
FILE *f = data;
@@
-228,11
+244,13
@@
static void dump_liveness_walker(ir_node *bl, void *data)
}
}
}
}
+/* Dump the liveness information for a graph. */
void be_liveness_dump(ir_graph *irg, FILE *f)
{
irg_block_walk_graph(irg, dump_liveness_walker, NULL, f);
}
void be_liveness_dump(ir_graph *irg, FILE *f)
{
irg_block_walk_graph(irg, dump_liveness_walker, NULL, f);
}
+/* Dump the liveness information for a graph. */
void be_liveness_dumpto(ir_graph *irg, const char *cls_name)
{
FILE *f;
void be_liveness_dumpto(ir_graph *irg, const char *cls_name)
{
FILE *f;
@@
-244,6
+262,10
@@
void be_liveness_dumpto(ir_graph *irg, const char *cls_name)
}
}
}
}
+/**
+ * Walker: checks the every predecessors of a node dominate
+ * the note.
+ */
static void dom_check(ir_node *irn, void *data)
{
if(!is_Block(irn) && irn != get_irg_end(get_irn_irg(irn))) {
static void dom_check(ir_node *irn, void *data)
{
if(!is_Block(irn) && irn != get_irg_end(get_irn_irg(irn))) {
@@
-266,6
+288,7
@@
static void dom_check(ir_node *irn, void *data)
}
}
}
}
+/* Check, if the SSA dominance property is fulfilled. */
void be_check_dominance(ir_graph *irg)
{
irg_walk_graph(irg, dom_check, NULL, NULL);
void be_check_dominance(ir_graph *irg)
{
irg_walk_graph(irg, dom_check, NULL, NULL);
@@
-273,9
+296,9
@@
void be_check_dominance(ir_graph *irg)
pset *be_liveness_transfer(const arch_env_t *arch_env, const arch_register_class_t *cls, ir_node *irn, pset *live)
{
pset *be_liveness_transfer(const arch_env_t *arch_env, const arch_register_class_t *cls, ir_node *irn, pset *live)
{
- firm_dbg_module_t *dbg = firm_dbg_register(DBG_MODULE);
int i, n;
ir_node *x;
int i, n;
ir_node *x;
+ FIRM_DBG_REGISTER(firm_dbg_module_t *dbg, DBG_MODULE);
DBG((dbg, LEVEL_1, "%+F\n", irn));
for(x = pset_first(live); x; x = pset_next(live))
DBG((dbg, LEVEL_1, "%+F\n", irn));
for(x = pset_first(live); x; x = pset_next(live))
@@
-309,12
+332,10
@@
pset *be_liveness_end_of_block(const arch_env_t *arch_env, const arch_register_c
pset *be_liveness_nodes_live_at(const arch_env_t *arch_env, const arch_register_class_t *cls, const ir_node *pos, pset *live)
{
pset *be_liveness_nodes_live_at(const arch_env_t *arch_env, const arch_register_class_t *cls, const ir_node *pos, pset *live)
{
- firm_dbg_module_t *dbg = firm_dbg_register(DBG_MODULE);
- const ir_node *bl = is_Block(pos) ? pos : get_nodes_block(pos);
+ const ir_node *bl = is_Block(pos) ? pos : get_nodes_block(pos);
ir_node *irn;
be_liveness_end_of_block(arch_env, cls, bl, live);
ir_node *irn;
be_liveness_end_of_block(arch_env, cls, bl, live);
-
sched_foreach_reverse(bl, irn) {
/*
* If we encounter the node we want to insert the Perm after,
sched_foreach_reverse(bl, irn) {
/*
* If we encounter the node we want to insert the Perm after,