FileCheck: Switch "possible match" calculation to use StringRef::edit_distance.
- Thanks Doug, who is obviously less lazy than me!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94795 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/FileCheck/FileCheck.cpp b/utils/FileCheck/FileCheck.cpp
index 078028a..440d7d7 100644
--- a/utils/FileCheck/FileCheck.cpp
+++ b/utils/FileCheck/FileCheck.cpp
@@ -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,