Author: prazek
Date: Wed Dec 28 12:23:23 2016
New Revision: 290675
URL: http://llvm.org/viewvc/llvm-project?rev=290675&view=rev
Log:
Mention devirtualization in release notes
Modified:
cfe/trunk/docs/ReleaseNotes.rst
Modified: cfe/trunk/docs/ReleaseNotes.rst
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/docs/ReleaseNotes.rst?rev=290675&r1=290674&r2=290675&view=diff
==============================================================================
--- cfe/trunk/docs/ReleaseNotes.rst (original)
+++ cfe/trunk/docs/ReleaseNotes.rst Wed Dec 28 12:23:23 2016
@@ -47,6 +47,24 @@ sections with improvements to Clang's su
Major New Features
------------------
+- Enhanced devirtualization with `-fstrict-vtable-pointers`. Clang
devirtualizes
+across different basic blocks, like loops:
+
+.. code-block:: c++
+ struct A {
+ virtual void foo() {}
+ };
+ void indirect(A &a, int n) {
+ for (int i = 0 ; i < n; i++)
+ a.foo();
+
+ }
+ void test(int n) {
+ A a;
+ indirect(a);
+ }
+
+
- ...
Improvements to Clang's diagnostics
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