[cfe-commits] r62344 - /cfe/trunk/NOTES.txt

[Chris Lattner]

Author: lattner
Date: Fri Jan 16 13:33:59 2009
New Revision: 62344

URL: http://llvm.org/viewvc/llvm-project?rev=62344&view=rev
Log:
Random note so I remember how to do this :)

Modified:
    cfe/trunk/NOTES.txt

Modified: cfe/trunk/NOTES.txt
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/NOTES.txt?rev=62344&r1=62343&r2=62344&view=diff

==============================================================================
--- cfe/trunk/NOTES.txt (original)
+++ cfe/trunk/NOTES.txt Fri Jan 16 13:33:59 2009
@@ -11,6 +11,13 @@
    "time gcc -MM file"
 This is similar to -Eonly.
 
+//===---------------------------------------------------------------------===//
+
+Creating and using a PTH file for performance measurement (use a release-asserts
+build).
+
+$ clang -x objective-c-header INPUTS/Cocoa_h.m -o /tmp/tokencache
+$ clang -token-cache /tmp/tokencache INPUTS/Cocoa_h.m
 
 //===---------------------------------------------------------------------===//