ipa-cp.c (ipcp_cloning_candidate_p): Use opt_for_fn.

[gcc.git] / gcc / ipa-icf.c

diff --git a/gcc/ipa-icf.c b/gcc/ipa-icf.c
index e99b3e6bb4d3d720351bb490c9fb19bdee133f8e..2d5fcf56b425e9477e7440375935e386a48a6d70 100644 (file)
--- a/gcc/ipa-icf.c
+++ b/gcc/ipa-icf.c
@@ -55,6 +55,17 @@ along with GCC; see the file COPYING3.  If not see
 #include "system.h"
 #include "coretypes.h"
 #include "tree.h"
+#include "predict.h"
+#include "vec.h"
+#include "hashtab.h"
+#include "hash-set.h"
+#include "machmode.h"
+#include "tm.h"
+#include "hard-reg-set.h"
+#include "input.h"
+#include "function.h"
+#include "dominance.h"
+#include "cfg.h"
 #include "basic-block.h"
 #include "tree-ssa-alias.h"
 #include "internal-fn.h"
@@ -71,6 +82,12 @@ along with GCC; see the file COPYING3.  If not see
 #include "tree-dfa.h"
 #include "tree-pass.h"
 #include "gimple-pretty-print.h"
+#include "hash-map.h"
+#include "plugin-api.h"
+#include "ipa-ref.h"
+#include "cgraph.h"
+#include "alloc-pool.h"
+#include "ipa-prop.h"
 #include "ipa-inline.h"
 #include "cfgloop.h"
 #include "except.h"
@@ -174,6 +191,18 @@ sem_item::dump (void)
     }
 }
 
+/* Return true if target supports alias symbols.  */
+
+bool
+sem_item::target_supports_symbol_aliases_p (void)
+{
+#if !defined (ASM_OUTPUT_DEF) || (!defined(ASM_OUTPUT_WEAK_ALIAS) && !defined (ASM_WEAKEN_DECL))
+  return false;
+#else
+  return true;
+#endif
+}
+
 /* Semantic function constructor that uses STACK as bitmap memory stack.  */
 
 sem_function::sem_function (bitmap_obstack *stack): sem_item (FUNC, stack),
@@ -199,7 +228,7 @@ sem_function::sem_function (cgraph_node *node, hashval_t hash,
 sem_function::~sem_function ()
 {
   for (unsigned i = 0; i < bb_sorted.length (); i++)
-    free (bb_sorted[i]);
+    delete (bb_sorted[i]);
 
   arg_types.release ();
   bb_sizes.release ();
@@ -562,7 +591,8 @@ sem_function::merge (sem_item *alias_item)
       redirect_callers
        = (!original_discardable
           && alias->get_availability () > AVAIL_INTERPOSABLE
-          && original->get_availability () > AVAIL_INTERPOSABLE);
+          && original->get_availability () > AVAIL_INTERPOSABLE
+          && !alias->instrumented_version);
     }
   else
     {
@@ -571,7 +601,8 @@ sem_function::merge (sem_item *alias_item)
       redirect_callers = false;
     }
 
-  if (create_alias && DECL_COMDAT_GROUP (alias->decl))
+  if (create_alias && (DECL_COMDAT_GROUP (alias->decl)
+                      || !sem_item::target_supports_symbol_aliases_p ()))
     {
       create_alias = false;
       create_thunk = true;
@@ -587,6 +618,14 @@ sem_function::merge (sem_item *alias_item)
     local_original
       = dyn_cast <cgraph_node *> (original->noninterposable_alias ());
 
+    if (!local_original)
+      {
+       if (dump_file)
+         fprintf (dump_file, "Noninterposable alias cannot be created.\n\n");
+
+       return false;
+      }
+
   if (redirect_callers)
     {
       /* If alias is non-overwritable then
@@ -631,7 +670,7 @@ sem_function::merge (sem_item *alias_item)
       alias->resolve_alias (original);
 
       /* Workaround for PR63566 that forces equal calling convention
-        to be used.  */
+       to be used.  */
       alias->local.local = false;
       original->local.local = false;
 
@@ -667,7 +706,7 @@ void
 sem_function::init (void)
 {
   if (in_lto_p)
-    get_node ()->get_body ();
+    get_node ()->get_untransformed_body ();
 
   tree fndecl = node->decl;
   function *func = DECL_STRUCT_FUNCTION (fndecl);
@@ -1137,6 +1176,13 @@ sem_variable::merge (sem_item *alias_item)
 {
   gcc_assert (alias_item->type == VAR);
 
+  if (!sem_item::target_supports_symbol_aliases_p ())
+    {
+      if (dump_file)
+       fprintf (dump_file, "Symbol aliases are not supported by target\n\n");
+      return false;
+    }
+
   sem_variable *alias_var = static_cast<sem_variable *> (alias_item);
 
   varpool_node *original = get_node ();
@@ -1183,6 +1229,7 @@ sem_variable::merge (sem_item *alias_item)
       alias->analyzed = false;
 
       DECL_INITIAL (alias->decl) = NULL;
+      alias->need_bounds_init = false;
       alias->remove_all_references ();
 
       varpool_node::create_alias (alias_var->decl, decl);