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diff src/share/vm/c1/c1_Compilation.cpp @ 12875:d13d7aba8c12

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8023657: New type profiling points: arguments to call Summary: x86 interpreter and c1 type profiling for arguments at calls Reviewed-by: kvn, twisti
author roland
date Wed, 09 Oct 2013 16:32:21 +0200
parents e47de6dfec5d
children de6a9e811145
line wrap: on
line diff
--- a/src/share/vm/c1/c1_Compilation.cpp	Wed Oct 09 11:05:17 2013 -0700
+++ b/src/share/vm/c1/c1_Compilation.cpp	Wed Oct 09 16:32:21 2013 +0200
@@ -601,6 +601,17 @@
   }
 }
 
+ciKlass* Compilation::cha_exact_type(ciType* type) {
+  if (type != NULL && type->is_loaded() && type->is_instance_klass()) {
+    ciInstanceKlass* ik = type->as_instance_klass();
+    assert(ik->exact_klass() == NULL, "no cha for final klass");
+    if (DeoptC1 && UseCHA && !(ik->has_subklass() || ik->is_interface())) {
+      dependency_recorder()->assert_leaf_type(ik);
+      return ik;
+    }
+  }
+  return NULL;
+}
 
 void Compilation::print_timers() {
   // tty->print_cr("    Native methods         : %6.3f s, Average : %2.3f", CompileBroker::_t_native_compilation.seconds(), CompileBroker::_t_native_compilation.seconds() / CompileBroker::_total_native_compile_count);