X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fana%2Ftrouts.c;h=42c07b08f128ca24df99884afc3a03599086cc01;hb=ff0e8d7fcb34481652f0bf521ba04b1eca5e2106;hp=4a2501b79ec1a187da4ba6f032fe8006a6fa8e9f;hpb=4bad1346ff2abc3923beea23e5ac949acc7ca514;p=libfirm

diff --git a/ir/ana/trouts.c b/ir/ana/trouts.c
index 4a2501b79..42c07b08f 100644
--- a/ir/ana/trouts.c
+++ b/ir/ana/trouts.c
@@ -28,7 +28,12 @@ static pmap *entity_reference_map = NULL;
 static pmap *type_alloc_map = NULL;
 static pmap *type_cast_map = NULL;
 static pmap *type_pointertype_map = NULL;
+static pmap *type_arraytype_map = NULL;
 
+/**
+ * Return a flexible array containing all IR-nodes
+ * that access a given entity.
+ */
 static ir_node **get_entity_access_array(entity *ent) {
   ir_node **res;
   if (!entity_access_map) entity_access_map = pmap_create();
@@ -48,6 +53,10 @@ void set_entity_access_array(entity *ent, ir_node **accs) {
     pmap_insert(entity_access_map, (void *)ent, (void *)accs);
 }
 
+/**
+ * Return a flexible array containing all IR-nodes
+ * that reference a given entity.
+ */
 static ir_node **get_entity_reference_array(entity *ent) {
   ir_node **res;
   if (!entity_reference_map) entity_reference_map = pmap_create();
@@ -67,7 +76,11 @@ void set_entity_reference_array(entity *ent, ir_node **refs) {
     pmap_insert(entity_reference_map, (void *)ent, (void *)refs);
 }
 
-static ir_node **get_type_alloc_array(type *tp) {
+/**
+ * Return a flexible array containing all IR-nodes
+ * that allocate a given type.
+ */
+static ir_node **get_type_alloc_array(ir_type *tp) {
   ir_node **res;
   if (!type_alloc_map) type_alloc_map = pmap_create();
 
@@ -80,13 +93,17 @@ static ir_node **get_type_alloc_array(type *tp) {
 
   return res;
 }
-void set_type_alloc_array(type *tp, ir_node **alls) {
+void set_type_alloc_array(ir_type *tp, ir_node **alls) {
   ir_node **old = pmap_get(type_alloc_map, (void *)tp);
   if (old != alls)
     pmap_insert(type_alloc_map, (void *)tp, (void *)alls);
 }
 
-static ir_node **get_type_cast_array(type *tp) {
+/**
+ * Return a flexible array containing all Cast-nodes
+ * that "create" a given type.
+ */
+static ir_node **get_type_cast_array(ir_type *tp) {
   ir_node **res;
   if (!type_cast_map) type_cast_map = pmap_create();
 
@@ -96,34 +113,62 @@ static ir_node **get_type_cast_array(type *tp) {
     res = NEW_ARR_F(ir_node *, 0);
     pmap_insert(type_cast_map, (void *)tp, (void *)res);
   }
-
   return res;
 }
-void set_type_cast_array(type *tp, ir_node **alls) {
+
+void set_type_cast_array(ir_type *tp, ir_node **alls) {
   ir_node **old = pmap_get(type_cast_map, (void *)tp);
   if (old != alls)
     pmap_insert(type_cast_map, (void *)tp, (void *)alls);
 }
 
-static type **get_type_pointertype_array(type *tp) {
-  type **res;
+/**
+ * Return a flexible array containing all pointer
+ * types that points-to a given type.
+ */
+static ir_type **get_type_pointertype_array(ir_type *tp) {
+  ir_type **res;
   if (!type_pointertype_map) type_pointertype_map = pmap_create();
 
   if (pmap_contains(type_pointertype_map, (void *)tp)) {
-    res = (type **) pmap_get(type_pointertype_map, (void *)tp);
+    res = (ir_type **) pmap_get(type_pointertype_map, (void *)tp);
   } else {
-    res = NEW_ARR_F(type *, 0);
+    res = NEW_ARR_F(ir_type *, 0);
     pmap_insert(type_pointertype_map, (void *)tp, (void *)res);
   }
 
   return res;
 }
-void set_type_pointertype_array(type *tp, type **pts) {
-  type **old = pmap_get(type_pointertype_map, (void *)tp);
+void set_type_pointertype_array(ir_type *tp, ir_type **pts) {
+  ir_type **old = pmap_get(type_pointertype_map, (void *)tp);
   if (old != pts)
     pmap_insert(type_pointertype_map, (void *)tp, (void *)pts);
 }
 
+/**
+ * Return a flexible array containing all array
+ * types that have a given type as element type.
+ */
+static ir_type **get_type_arraytype_array(ir_type *tp) {
+  ir_type **res;
+  if (!type_arraytype_map) type_arraytype_map = pmap_create();
+
+  if (pmap_contains(type_arraytype_map, (void *)tp)) {
+    res = (ir_type **) pmap_get(type_arraytype_map, (void *)tp);
+  } else {
+    res = NEW_ARR_F(ir_type *, 0);
+    pmap_insert(type_arraytype_map, (void *)tp, (void *)res);
+  }
+
+  return res;
+}
+
+void set_type_arraytype_array(ir_type *tp, ir_type **pts) {
+  ir_type **old = pmap_get(type_arraytype_map, (void *)tp);
+  if (old != pts)
+    pmap_insert(type_arraytype_map, (void *)tp, (void *)pts);
+}
+
 /*------------------------------------------------------------------*/
 /* Accessing the out data structures.                               */
 /* These routines only work properly if firm is in state            */
@@ -220,7 +265,7 @@ void set_entity_reference(entity *ent, int pos, ir_node *n) {
 /**------------------------------------------------------------------*/
 
 /* Number of Alloc nodes that create an instance of this type */
-int get_type_n_allocs(type *tp) {
+int get_type_n_allocs(ir_type *tp) {
   ir_node **allocs;
 
   assert(tp && is_type(tp));
@@ -230,7 +275,7 @@ int get_type_n_allocs(type *tp) {
 }
 
 /* Alloc node that creates an instance of this type */
-ir_node *get_type_alloc(type *tp, int pos) {
+ir_node *get_type_alloc(ir_type *tp, int pos) {
   ir_node **allocs;
   assert(0 <= pos && pos < get_type_n_allocs(tp));
 
@@ -238,7 +283,7 @@ ir_node *get_type_alloc(type *tp, int pos) {
   return allocs[pos];
 }
 
-void add_type_alloc(type *tp, ir_node *n) {
+void add_type_alloc(ir_type *tp, ir_node *n) {
   ir_node **allocs;
 
   assert(tp && is_type(tp));
@@ -249,7 +294,7 @@ void add_type_alloc(type *tp, ir_node *n) {
   set_type_alloc_array(tp, allocs);
 }
 
-void set_type_alloc(type *tp, int pos, ir_node *n) {
+void set_type_alloc(ir_type *tp, int pos, ir_node *n) {
   ir_node **allocs;
 
   assert(0 <= pos && pos < get_type_n_allocs(tp));
@@ -260,7 +305,7 @@ void set_type_alloc(type *tp, int pos, ir_node *n) {
 }
 
 /* Number of Cast nodes that create an instance of this type */
-int get_type_n_casts(type *tp) {
+int get_type_n_casts(ir_type *tp) {
   ir_node **casts;
 
   assert(tp && is_type(tp));
@@ -270,7 +315,7 @@ int get_type_n_casts(type *tp) {
 }
 
 
-int get_class_n_upcasts(type *clss) {
+int get_class_n_upcasts(ir_type *clss) {
   int i, n_casts = get_type_n_casts(clss);
   int n_instances = 0;
   for (i = 0; i < n_casts; ++i) {
@@ -280,7 +325,7 @@ int get_class_n_upcasts(type *clss) {
   return n_instances;
 }
 
-int get_class_n_downcasts(type *clss) {
+int get_class_n_downcasts(ir_type *clss) {
   int i, n_casts = get_type_n_casts(clss);
   int n_instances = 0;
   for (i = 0; i < n_casts; ++i) {
@@ -292,7 +337,7 @@ int get_class_n_downcasts(type *clss) {
 
 
 /* Cast node that creates an instance of this type */
-ir_node *get_type_cast(type *tp, int pos) {
+ir_node *get_type_cast(ir_type *tp, int pos) {
   ir_node **casts;
   assert(0 <= pos && pos < get_type_n_casts(tp));
 
@@ -300,7 +345,7 @@ ir_node *get_type_cast(type *tp, int pos) {
   return casts[pos];
 }
 
-void add_type_cast(type *tp, ir_node *n) {
+void add_type_cast(ir_type *tp, ir_node *n) {
   ir_node **casts;
 
   assert(tp && is_type(tp));
@@ -311,7 +356,7 @@ void add_type_cast(type *tp, ir_node *n) {
   set_type_cast_array(tp, casts);
 }
 
-void set_type_cast(type *tp, int pos, ir_node *n) {
+void set_type_cast(ir_type *tp, int pos, ir_node *n) {
   ir_node **casts;
 
   assert(0 <= pos && pos < get_type_n_casts(tp));
@@ -323,8 +368,8 @@ void set_type_cast(type *tp, int pos, ir_node *n) {
 
 /**------------------------------------------------------------------*/
 
-int get_type_n_pointertypes_to(type *tp) {
-  type ** pts;
+int get_type_n_pointertypes_to(ir_type *tp) {
+  ir_type ** pts;
 
   assert(tp && is_type(tp));
 
@@ -332,8 +377,8 @@ int get_type_n_pointertypes_to(type *tp) {
   return ARR_LEN(pts);
 }
 
-type *get_type_pointertype_to(type *tp, int pos) {
-  type ** pts;
+ir_type *get_type_pointertype_to(ir_type *tp, int pos) {
+  ir_type ** pts;
 
   assert(0 <= pos && pos < get_type_n_pointertypes_to(tp));
 
@@ -341,8 +386,8 @@ type *get_type_pointertype_to(type *tp, int pos) {
   return pts[pos];
 }
 
-void add_type_pointertype_to(type *tp, type *ptp) {
-  type ** pts;
+void add_type_pointertype_to(ir_type *tp, ir_type *ptp) {
+  ir_type ** pts;
 
   assert(tp && is_type(tp));
   assert(ptp && is_Pointer_type(ptp));
@@ -352,8 +397,8 @@ void add_type_pointertype_to(type *tp, type *ptp) {
   set_type_pointertype_array(tp, pts);
 }
 
-void set_type_pointertype_to(type *tp, int pos, type *ptp) {
-  type ** pts;
+void set_type_pointertype_to(ir_type *tp, int pos, ir_type *ptp) {
+  ir_type ** pts;
 
   assert(0 <= pos && pos < get_type_n_pointertypes_to(tp));
   assert(ptp && is_Pointer_type(ptp));
@@ -362,6 +407,48 @@ void set_type_pointertype_to(type *tp, int pos, type *ptp) {
   pts[pos] = ptp;
 }
 
+
+/**------------------------------------------------------------------*/
+
+int   get_type_n_arraytypes_of(ir_type *tp) {
+  ir_type ** pts;
+
+  assert(tp && is_type(tp));
+
+  pts = get_type_arraytype_array(tp);
+  return ARR_LEN(pts);
+}
+
+ir_type *get_type_arraytype_of(ir_type *tp, int pos) {
+  ir_type ** pts;
+
+  assert(0 <= pos && pos < get_type_n_arraytypes_of(tp));
+
+  pts = get_type_arraytype_array(tp);
+  return pts[pos];
+}
+
+void  add_type_arraytype_of(ir_type *tp, ir_type *atp) {
+  ir_type ** pts;
+
+  assert(tp && is_type(tp));
+  assert(atp && is_Array_type(atp));
+
+  pts = get_type_arraytype_array(tp);
+  ARR_APP1(ir_node *, pts, atp);
+  set_type_arraytype_array(tp, pts);
+}
+
+void  set_type_arraytype_of(ir_type *tp, int pos, ir_type *atp) {
+  ir_type ** pts;
+
+  assert(0 <= pos && pos < get_type_n_arraytypes_of(tp));
+  assert(atp && is_Array_type(atp));
+
+  pts = get_type_arraytype_array(tp);
+  pts[pos] = atp;
+}
+
 /*------------------------------------------------------------------*/
 /* Building and Removing the out datastructure                      */
 /*------------------------------------------------------------------*/
@@ -370,16 +457,17 @@ static void init_trouts(void) {
 
 }
 
-/* The entities that can be accessed by this Sel node. */
+/** The number of entities that can be accessed by this Sel node. */
 static int get_Sel_n_accessed_entities(ir_node *sel) {
   return 1;
 }
 
+/** The entity that cat be accessed by this Sel node. */
 static entity *get_Sel_accessed_entity(ir_node *sel) {
   return get_Sel_entity(sel);
 }
 
-/* An addr node is a SymConst or a Sel. */
+/** An addr node is a SymConst or a Sel. */
 static int get_addr_n_entities(ir_node *addr) {
   int n_ents;
 
@@ -401,15 +489,15 @@ static int get_addr_n_entities(ir_node *addr) {
   return n_ents;
 }
 
-/* An addr node is a SymConst or a Sel.
-   If Sel follow to outermost of compound. */
+/** An addr node is a SymConst or a Sel.
+    If Sel follow to outermost of compound. */
 static entity *get_addr_entity(ir_node *addr, int pos) {
   entity *ent;
 
   switch (get_irn_opcode(addr)) {
   case iro_Sel:
     /* Treat jack array sels? They are compounds!  Follow to outermost entity.  */
-    while (get_irn_op(get_Sel_ptr(addr)) == op_Sel) {
+    while (is_Sel(get_Sel_ptr(addr))) {
       addr = get_Sel_ptr(addr);
     }
     assert (0 <= pos && pos < get_Sel_n_accessed_entities(addr));
@@ -454,7 +542,7 @@ static void chain_accesses(ir_node *n, void *env) {
     addr = get_memop_ptr(n);
   } else if (get_irn_op(n) == op_Call) {
     addr = get_Call_ptr(n);
-    if (get_irn_op(addr) != op_Sel) return;  /* Sels before Calls mean a Load / polymorphic Call. */
+    if (! is_Sel(addr)) return;  /* Sels before Calls mean a Load / polymorphic Call. */
   } else {
     return;
   }
@@ -469,9 +557,11 @@ static void chain_accesses(ir_node *n, void *env) {
   }
 }
 
-static void chain_types(type *tp) {
+static void chain_types(ir_type *tp) {
   if (is_Pointer_type(tp)) {
     add_type_pointertype_to(get_pointer_points_to_type(tp), tp);
+  } else if (is_Array_type(tp)) {
+    add_type_arraytype_of(get_array_element_type(tp), tp);
   }
 }
 
@@ -479,7 +569,8 @@ irg_outs_state get_trouts_state(void) {
   return irp->trouts_state;
 }
 void           set_trouts_inconsistent(void) {
-  irp->trouts_state = outs_inconsistent;
+  if (irp->trouts_state == outs_consistent)
+    irp->trouts_state = outs_inconsistent;
 }
 
 
@@ -493,9 +584,8 @@ void compute_trouts(void) {
   init_trouts();
 
   /* Compute outs for irnodes. */
-  for (i=0; i < n_irgs; i++) {
-    current_ir_graph = get_irp_irg(i);
-    irg_walk_graph(current_ir_graph, NULL, chain_accesses, NULL);
+  for (i = 0; i < n_irgs; i++) {
+    irg_walk_graph(get_irp_irg(i), NULL, chain_accesses, NULL);
   }
   walk_const_code(NULL, chain_accesses, NULL);
 
@@ -559,5 +649,16 @@ void free_trouts(void) {
     pmap_destroy(type_pointertype_map);
     type_pointertype_map = NULL;
   }
+
+  if (type_arraytype_map) {
+    ir_node **pts;
+    for (pts = (ir_node **)pmap_first(type_arraytype_map);
+	 pts;
+	 pts = (ir_node **)pmap_next(type_arraytype_map))
+      ; //DEL_ARR_F(pts);
+    pmap_destroy(type_arraytype_map);
+    type_arraytype_map = NULL;
+  }
+
   irp->trouts_state = outs_none;
 }