[llvm-commits] [llvm] r94795 - /llvm/trunk/utils/FileCheck/FileCheck.cpp

[Daniel Dunbar]

Author: ddunbar
Date: Thu Jan 28 21:22:19 2010
New Revision: 94795

URL: http://llvm.org/viewvc/llvm-project?rev=94795&view=rev
Log:
FileCheck: Switch "possible match" calculation to use StringRef::edit_distance.
 - Thanks Doug, who is obviously less lazy than me!

Modified:
    llvm/trunk/utils/FileCheck/FileCheck.cpp

Modified: llvm/trunk/utils/FileCheck/FileCheck.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/utils/FileCheck/FileCheck.cpp?rev=94795&r1=94794&r2=94795&view=diff

==============================================================================
--- llvm/trunk/utils/FileCheck/FileCheck.cpp (original)
+++ llvm/trunk/utils/FileCheck/FileCheck.cpp Thu Jan 28 21:22:19 2010
@@ -340,12 +340,7 @@
   if (ExampleString.empty())
     ExampleString = RegExStr;
 
-  unsigned Distance = 0;
-  for (unsigned i = 0, e = ExampleString.size(); i != e; ++i)
-    if (Buffer.substr(i, 1) != ExampleString.substr(i, 1))
-      ++Distance;
-
-  return Distance;
+  return Buffer.substr(0, ExampleString.size()).edit_distance(ExampleString);
 }
 
 void Pattern::PrintFailureInfo(const SourceMgr &SM, StringRef Buffer,