[llvm-commits] [llvm] r74474 - /llvm/trunk/include/llvm/Support/SourceMgr.h

[Daniel Dunbar]

Author: ddunbar
Date: Mon Jun 29 18:28:55 2009
New Revision: 74474

URL: http://llvm.org/viewvc/llvm-project?rev=74474&view=rev
Log:
Add SMLoc::isValid method.
 - To support using SMLoc as a sentinel.

Modified:
    llvm/trunk/include/llvm/Support/SourceMgr.h

Modified: llvm/trunk/include/llvm/Support/SourceMgr.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Support/SourceMgr.h?rev=74474&r1=74473&r2=74474&view=diff

==============================================================================
--- llvm/trunk/include/llvm/Support/SourceMgr.h (original)
+++ llvm/trunk/include/llvm/Support/SourceMgr.h Mon Jun 29 18:28:55 2009
@@ -30,6 +30,8 @@
   SMLoc() : Ptr(0) {}
   SMLoc(const SMLoc &RHS) : Ptr(RHS.Ptr) {}
   
+  bool isValid() const { return Ptr != 0; }
+
   bool operator==(const SMLoc &RHS) const { return RHS.Ptr == Ptr; }
   bool operator!=(const SMLoc &RHS) const { return RHS.Ptr != Ptr; }