re PR middle-end/35545 (tracer pass is run too late)

	PR middle-end/35545
	* passes.def (pass_tracer): Move before last dominator pass.
	* g++.dg/tree-prof/pr35545.C: New testcase.

From-SVN: r215651

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 623fb7d..e3a62f5 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2014-09-26  Jan Hubicka  <hubicka@ucw.cz>
+
+       PR middle-end/35545
+       * passes.def (pass_tracer): Move before last dominator pass.
+
 2014-09-26  Thomas Schwinge  <thomas@codesourcery.com>
 
        * gcc.c (try_generate_repro): Remove argument "prog".  Change all

diff --git a/gcc/passes.def b/gcc/passes.def
index 334c670..801998f 100644 (file)
--- a/gcc/passes.def
+++ b/gcc/passes.def
@@ -252,6 +252,7 @@ along with GCC; see the file COPYING3.  If not see
       NEXT_PASS (pass_cse_reciprocals);
       NEXT_PASS (pass_reassoc);
       NEXT_PASS (pass_strength_reduction);
+      NEXT_PASS (pass_tracer);
       NEXT_PASS (pass_dominator);
       NEXT_PASS (pass_strlen);
       NEXT_PASS (pass_vrp);
@@ -262,7 +263,6 @@ along with GCC; see the file COPYING3.  If not see
         opportunities.  */
       NEXT_PASS (pass_phi_only_cprop);
       NEXT_PASS (pass_cd_dce);
-      NEXT_PASS (pass_tracer);
       NEXT_PASS (pass_dse);
       NEXT_PASS (pass_forwprop);
       NEXT_PASS (pass_phiopt);

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 6c5562e..dd76fa5 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2014-09-26  Jan Hubicka  <hubicka@ucw.cz>
+
+       PR middle-end/35545
+       * g++.dg/tree-prof/pr35545.C: New testcase.
+
 2014-09-26  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 
        * gcc.target/powerpc/pr63335.c: Change effective target to

diff --git a/gcc/testsuite/g++.dg/tree-prof/pr35545.C b/gcc/testsuite/g++.dg/tree-prof/pr35545.C
new file mode 100644 (file)
index 0000000..f5ff8b4
--- /dev/null
+++ b/gcc/testsuite/g++.dg/tree-prof/pr35545.C
@@ -0,0 +1,52 @@
+// devirt.cc
+/* { dg-options "-O2 -fdump-ipa-profile_estimate -fdump-tree-optimized" } */
+
+class A {
+public:
+  virtual int foo() {
+     return 1;
+  }
+
+int i;
+};
+
+class B : public A
+{
+public:
+  virtual int foo() {
+     return 2;
+  }
+
+ int b;
+} ;
+
+
+int main()
+{
+ int i;
+
+  A* ap = 0;
+
+  for (i = 0; i < 10000; i++)
+  {
+
+     if (i%7==0)
+     {
+        ap = new A();
+     }
+     else
+        ap = new B();
+
+    ap->foo();
+
+    delete ap;
+
+  }
+
+  return 0;
+
+}
+/* { dg-final-use { scan-ipa-dump "Indirect call -> direct call" "profile_estimate" } } */
+/* { dg-final-use { cleanup-ipa-dump "profile" } } */
+/* { dg-final-use { scan-ipa-dump-not "OBJ_TYPE_REF" "optimized" } } */
+/* { dg-final-use { cleanup-tree-dump "optimized" } } */