- add ir_bk_outport and ir_bk_inport
[libfirm] / ir / ir / irnode.c
index ec5d4d9..3fb0473 100644 (file)
  */
 #include "config.h"
 
-#ifdef HAVE_STRING_H
-# include <string.h>
-#endif
+#include <string.h>
 
+#include "pset_new.h"
 #include "ident.h"
 #include "irnode_t.h"
 #include "irgraph_t.h"
@@ -49,7 +48,7 @@
 /* some constants fixing the positions of nodes predecessors
    in the in array */
 #define CALL_PARAM_OFFSET     2
-#define FUNCCALL_PARAM_OFFSET 1
+#define BUILDIN_PARAM_OFFSET  1
 #define SEL_INDEX_OFFSET      2
 #define RETURN_RESULT_OFFSET  1  /* mem is not a result */
 #define END_KEEPALIVE_OFFSET  0
@@ -572,6 +571,11 @@ divmod_attr *get_irn_divmod_attr(ir_node *node) {
        return &node->attr.divmod;
 }
 
+builtin_attr *get_irn_builtin_attr(ir_node *node) {
+       assert(is_Builtin(node));
+       return &node->attr.builtin;
+}
+
 void *(get_irn_generic_attr)(ir_node *node) {
        assert(is_ir_node(node));
        return _get_irn_generic_attr(node);
@@ -920,11 +924,48 @@ found:
                end->in[1 + END_KEEPALIVE_OFFSET + idx] = old;
                edges_notify_edge(end, idx, old, NULL, irg);
        }
+       /* now n - 1 keeps, 1 block input */
        ARR_RESIZE(ir_node *, end->in, (n - 1) + 1 + END_KEEPALIVE_OFFSET);
 }
 
-void
-free_End(ir_node *end) {
+/* remove Bads, NoMems and doublets from the keep-alive set */
+void remove_End_Bads_and_doublets(ir_node *end) {
+       pset_new_t keeps;
+       int        idx, n = get_End_n_keepalives(end);
+       ir_graph   *irg;
+
+       if (n <= 0)
+               return;
+
+       irg = get_irn_irg(end);
+       pset_new_init(&keeps);
+
+       for (idx = n - 1; idx >= 0; --idx) {
+               ir_node *ka = get_End_keepalive(end, idx);
+
+               if (is_Bad(ka) || is_NoMem(ka) || pset_new_contains(&keeps, ka)) {
+                       /* remove the edge */
+                       edges_notify_edge(end, idx, NULL, ka, irg);
+
+                       if (idx != n - 1) {
+                               /* exchange with the last one */
+                               ir_node *old = end->in[1 + END_KEEPALIVE_OFFSET + n - 1];
+                               edges_notify_edge(end, n - 1, NULL, old, irg);
+                               end->in[1 + END_KEEPALIVE_OFFSET + idx] = old;
+                               edges_notify_edge(end, idx, old, NULL, irg);
+                       }
+                       --n;
+               } else {
+                       pset_new_insert(&keeps, ka);
+               }
+       }
+       /* n keeps, 1 block input */
+       ARR_RESIZE(ir_node *, end->in, n + 1 + END_KEEPALIVE_OFFSET);
+
+       pset_new_destroy(&keeps);
+}
+
+void free_End(ir_node *end) {
        assert(is_End(end));
        end->kind = k_BAD;
        DEL_ARR_F(end->in);
@@ -1307,18 +1348,6 @@ get_Call_n_params(const ir_node *node)  {
        return (get_irn_arity(node) - CALL_PARAM_OFFSET);
 }
 
-int
-get_Call_arity(const ir_node *node) {
-       assert(is_Call(node));
-       return get_Call_n_params(node);
-}
-
-/* void
-set_Call_arity(ir_node *node, ir_node *arity) {
-       assert(is_Call(node));
-}
-*/
-
 ir_node *
 get_Call_param(const ir_node *node, int pos) {
        assert(is_Call(node));
@@ -1344,6 +1373,90 @@ set_Call_type(ir_node *node, ir_type *tp) {
        node->attr.call.cld_tp = tp;
 }
 
+ir_node *
+get_Builtin_mem(const ir_node *node) {
+       assert(is_Builtin(node));
+       return get_irn_n(node, 0);
+}
+
+void
+set_Builin_mem(ir_node *node, ir_node *mem) {
+       assert(is_Builtin(node));
+       set_irn_n(node, 0, mem);
+}
+
+ir_builtin_kind
+get_Builtin_kind(const ir_node *node) {
+       assert(is_Builtin(node));
+       return node->attr.builtin.kind;
+}
+
+void
+set_Builtin_kind(ir_node *node, ir_builtin_kind kind) {
+       assert(is_Builtin(node));
+       node->attr.builtin.kind = kind;
+}
+
+ir_node **
+get_Builtin_param_arr(ir_node *node) {
+       assert(is_Builtin(node));
+       return &get_irn_in(node)[BUILDIN_PARAM_OFFSET + 1];
+}
+
+int
+get_Builtin_n_params(const ir_node *node)  {
+       assert(is_Builtin(node));
+       return (get_irn_arity(node) - BUILDIN_PARAM_OFFSET);
+}
+
+ir_node *
+get_Builtin_param(const ir_node *node, int pos) {
+       assert(is_Builtin(node));
+       return get_irn_n(node, pos + BUILDIN_PARAM_OFFSET);
+}
+
+void
+set_Builtin_param(ir_node *node, int pos, ir_node *param) {
+       assert(is_Builtin(node));
+       set_irn_n(node, pos + BUILDIN_PARAM_OFFSET, param);
+}
+
+ir_type *
+get_Builtin_type(ir_node *node) {
+       assert(is_Builtin(node));
+       return node->attr.builtin.builtin_tp = skip_tid(node->attr.builtin.builtin_tp);
+}
+
+void
+set_Builtin_type(ir_node *node, ir_type *tp) {
+       assert(is_Builtin(node));
+       assert((get_unknown_type() == tp) || is_Method_type(tp));
+       node->attr.builtin.builtin_tp = tp;
+}
+
+/* Returns a human readable string for the ir_builtin_kind. */
+const char *get_builtin_kind_name(ir_builtin_kind kind) {
+#define X(a)    case a: return #a + 6;
+       switch (kind) {
+               X(ir_bk_trap);
+               X(ir_bk_debugbreak);
+               X(ir_bk_return_address);
+               X(ir_bk_frame_addess);
+               X(ir_bk_prefetch);
+               X(ir_bk_ffs);
+               X(ir_bk_clz);
+               X(ir_bk_ctz);
+               X(ir_bk_popcount);
+               X(ir_bk_parity);
+               X(ir_bk_bswap);
+               X(ir_bk_inport);
+               X(ir_bk_outport);
+       }
+       return "<unknown>";
+#undef X
+}
+
+
 int Call_has_callees(const ir_node *node) {
        assert(is_Call(node));
        return ((get_irg_callee_info_state(get_irn_irg(node)) != irg_callee_info_none) &&
@@ -2452,10 +2565,8 @@ skip_Tuple(ir_node *node) {
   ir_node *pred;
   ir_op   *op;
 
-  if (!get_opt_normalize()) return node;
-
 restart:
-       if (get_irn_op(node) == op_Proj) {
+       if (is_Proj(node)) {
            pred = get_Proj_pred(node);
            op   = get_irn_op(pred);
 
@@ -2465,9 +2576,8 @@ restart:
                 */
                if (op == op_Proj) { /* nested Tuple ? */
                    pred = skip_Tuple(pred);
-                   op   = get_irn_op(pred);
 
-                       if (op == op_Tuple) {
+                       if (is_Tuple(pred)) {
                                node = get_Tuple_pred(pred, get_Proj_proj(node));
                                goto restart;
                        }
@@ -2735,6 +2845,12 @@ int
        return _is_Call(node);
 }
 
+/* returns true if node is a Builtin node. */
+int
+(is_Builtin)(const ir_node *node) {
+       return _is_Builtin(node);
+}
+
 /* returns true if node is a CallBegin node. */
 int
 (is_CallBegin)(const ir_node *node) {