2014-10-22 Andrew MacLeod <amacleod@redhat.com>

	* cfgbuild.h: New.  Add prototypes for cfgbuild.c.
	* cfgcleanup.h: New.  Add prototypes for cfgcleanup.c.
	* cfgloopmanip.h: New.  Add prototypes for cfgloopmanip.c.
	* dominance.h: New.  Add prototypes for dominance.c.
	* cfgloop.h: Move some prototypes/enum to cfgloopmanip.h and include it.
	* cfghooks.h: (struct profile_record) Relocate here.
	Relocate 2 prototypes from basic-block.h.
	* basic-block.h: Move prototypes and struct to new header files.
	Include cfgbuild.h, cfgcleanup.h, and dominance.h.
	* rtl.h: Move a few prototypes to new header files.
	* cfgcleanup.c (merge_memattrs): Make static.
	* genopinit.c (main): Add predict.h to list of includes.
	* predict.h: Update prototype list to match predict.c.
	* predict.c (maybe_hot_count_p): Export.
	(cgraph_edge::maybe_hot_p): Move to cgraph.c.
	(cgraph_node::optimize_for_size_p): Move to cgraph.h.
	* cgraph.h (cgraph_node::optimize_for_size_p): Relocate here.
	* cgraph.c (cgraph_edge::maybe_hot_p): Relocate here.
	* profile.h: Adjust prototypes.
	* ifcvt.h: New.  Relocate struct ce_if_block here.
	* ifcvt.c: Include ifcvt.h.

	* config/frv/frv.c: Include ifcvt.h.
	* config/frv/frv-protos.h: Add 'struct' to ce_if_block * parameters.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@216559 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 34 insertions, 0 deletions

diff --git a/gcc/cgraph.c b/gcc/cgraph.c
index 6536233430d..e6af33dcb4c 100644
--- a/gcc/cgraph.c
+++ b/gcc/cgraph.c
@@ -64,6 +64,8 @@ along with GCC; see the file COPYING3.  If not see
 #include "gimple-pretty-print.h"
 #include "expr.h"
 #include "tree-dfa.h"
+#include "profile.h"
+#include "params.h"
 
 /* FIXME: Only for PROP_loops, but cgraph shouldn't have to know about this.  */
 #include "tree-pass.h"
@@ -2310,6 +2312,38 @@ cgraph_edge::cannot_lead_to_return_p (void)
     return callee->cannot_return_p ();
 }
 
+/* Return true if the call can be hot.  */
+
+bool
+cgraph_edge::maybe_hot_p (void)
+{
+  if (profile_info && flag_branch_probabilities
+      && !maybe_hot_count_p (NULL, count))
+    return false;
+  if (caller->frequency == NODE_FREQUENCY_UNLIKELY_EXECUTED
+      || (callee
+	  && callee->frequency == NODE_FREQUENCY_UNLIKELY_EXECUTED))
+    return false;
+  if (caller->frequency > NODE_FREQUENCY_UNLIKELY_EXECUTED
+      && (callee
+	  && callee->frequency <= NODE_FREQUENCY_EXECUTED_ONCE))
+    return false;
+  if (optimize_size) return false;
+  if (caller->frequency == NODE_FREQUENCY_HOT)
+    return true;
+  if (caller->frequency == NODE_FREQUENCY_EXECUTED_ONCE
+      && frequency < CGRAPH_FREQ_BASE * 3 / 2)
+    return false;
+  if (flag_guess_branch_prob)
+    {
+      if (PARAM_VALUE (HOT_BB_FREQUENCY_FRACTION) == 0
+	  || frequency <= (CGRAPH_FREQ_BASE
+				 / PARAM_VALUE (HOT_BB_FREQUENCY_FRACTION)))
+        return false;
+    }
+  return true;
+}
+
 /* Return true when function can be removed from callgraph
    if all direct calls are eliminated.  */