[www] r198633 - Add a couple comments in the Debug BOF notes.

Paul Robinson paul_robinson at playstation.sony.com
Mon Jan 6 11:53:41 PST 2014


Author: probinson
Date: Mon Jan  6 13:53:40 2014
New Revision: 198633

URL: http://llvm.org/viewvc/llvm-project?rev=198633&view=rev
Log:
Add a couple comments in the Debug BOF notes.

Modified:
    www/trunk/devmtg/2013-11/slides/DebugBOFNotes.html

Modified: www/trunk/devmtg/2013-11/slides/DebugBOFNotes.html
URL: http://llvm.org/viewvc/llvm-project/www/trunk/devmtg/2013-11/slides/DebugBOFNotes.html?rev=198633&r1=198632&r2=198633&view=diff
==============================================================================
--- www/trunk/devmtg/2013-11/slides/DebugBOFNotes.html (original)
+++ www/trunk/devmtg/2013-11/slides/DebugBOFNotes.html Mon Jan  6 13:53:40 2014
@@ -9,14 +9,22 @@
    various stages, mostly affecting variable tracking, leastly affecting line
    information.</p>
 
+<p>Suggestion to use dom/dataflow to compute liveness for location lists.
+   Eric not keen on this (expensive?).</p>
+
 <p>Dwarf 4 seems to be the standard that LLVM is being coded to, Dwarf 3 in
    maintenance mode, Dwarf 2 is dead. Still, would be good to have some mechanism
    to limit the version of Dwarf symbols, to avoid breaking compatibility with
    older toolchains for a small feature.</p>
 
-<p>In time, Dwarf 3 will be deprecated, and the story will repeat, and it’s clear
+<p>In time, Dwarf 3 will be deprecated, and the story will repeat, and it's clear
    and accepted by all that this is the natural course of thing.</p>
 
+<p>Debug info for LTO "now works" in 3.4, uniquing all C++ types.
+   This depends on having consistent class descriptions across CUs.</p>
+
+<p>Many debug info size improvements.  Non-LTO "smaller than GCC" in 3.4.</p>
+
 <p>Verifier will check debug info, so metadata is supposed to be consistent
    after validation.</p>
 





More information about the llvm-commits mailing list