Patch by Tomas Bily <tbily@suse.cz>

Patch by Tomas Bily  <tbily@suse.cz>
        * cgraphunit.c (cgraph_finalize_function): Updating of pid
        * tree-profile.c:
        (tree_init_ic_make_global_vars): New function
        (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
        (tree_gen_ic_profiler): New function
        (tree_gen_ic_func_profiler): New function
        (tree_profiling): Added calling of tree_gen_ic_func_profiler
        (tree_profile_hooks): Added hook for indirec/virtual calls
        * value-prof.c (tree_find_values_to_profile): New case for
        indirect calls
        (tree_values_to_profile): Call for determining indirect/virtual
        counters
        (tree_indirect_call_to_profile): New function
        (tree_ic_transform): New function
        (tree_ic): New function
        (find_func_by_pid): New function
        (init_pid_map): New function
        (tree_value_profile_transformations): Added check for
        indirect/virtual call transformation
        * value-prof.h (enum hist_type): New counter type for
        indirect/virtual calls
        (profile_hooks): Added new hook for profiling indirect/virtual
        calls
        * profile.c (instrument_values): New case for indirect/virtual
        call added
        * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
        (GCOV_COUNTER_V_INDIR): New counter type
        (GCOV_COUNTER_NAMES): New name of counter "indirect" added
        (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
        call added
        * cgraph.c: Definition of cgraph_max_pid
        (cgraph_create_node): Default init of pid attribute
        * cgraph.h: Declaration of cgraph_max_pid
        (struct cgraph_node): Added pid attribute
        * libgcov.c (__gcov_indirect_call_profiler): New function
	(__gcov_one_value_profiler_body): New function
	(__gcov_one_value_profiler): Body was moved to
	__gcov_one_value_profiler_body and calls it

	gcc.dg/tree-prof/indir-call-prof.c: New.
	g++.dg/dg.exp: Add tree-prof subdirectory.
	g++.dg/tree-prof/indir-call-prof.C: New.
	g++.dg/tree-prof/tree-prof.exp: New.

From-SVN: r120975

1 files changed, 45 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/tree-prof/indir-call-prof.c b/gcc/testsuite/gcc.dg/tree-prof/indir-call-prof.c
new file mode 100644
index 0000000..101b972
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-prof/indir-call-prof.c
@@ -0,0 +1,45 @@
+/* { dg-options "-O2 -fdump-tree-optimized -fdump-tree-tree_profile" } */
+
+static int a1 (void)
+{
+    return 10;
+}
+
+static int a2 (void)
+{
+    return 0;
+}
+
+typedef int (*tp) (void);
+
+static tp aa [] = {a2, a1, a1, a1, a1};
+
+void setp (int (**pp) (void), int i)
+{
+  if (!i)
+    *pp = aa [i];
+  else
+    *pp = aa [(i & 2) + 1];
+}
+
+int
+main (void)
+{
+  int (*p) (void);
+  int  i;
+
+  for (i = 0; i < 10; i ++)
+    {
+	setp (&p, i);
+	p ();
+    }
+  
+  return 0;
+}
+
+/* { dg-final-use { scan-tree-dump "Indirect call -> direct call.* a1 transformation on insn" "tree_profile"} } */
+/* { dg-final-use { scan-tree-dump-not "Invalid sum" "optimized"} } */                                                                                
+/* { dg-final-use { cleanup-tree-dump "optimized" } } */                                                                                              
+/* { dg-final-use { cleanup-tree-dump "tree_profile" } } */
+                                                                                           
+