[llvm] r237511 - [TableGen] Restructure a loop to make it exit early instead of skipping a portion of the body based on what will also be the terminating condition. NFC

[Craig Topper]

Author: ctopper
Date: Sat May 16 00:42:03 2015
New Revision: 237511

URL: http://llvm.org/viewvc/llvm-project?rev=237511&view=rev
Log:
[TableGen] Restructure a loop to make it exit early instead of skipping a portion of the body based on what will also be the terminating condition. NFC

Modified:
    llvm/trunk/lib/TableGen/Record.cpp

Modified: llvm/trunk/lib/TableGen/Record.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/TableGen/Record.cpp?rev=237511&r1=237510&r2=237511&view=diff
==============================================================================
--- llvm/trunk/lib/TableGen/Record.cpp (original)
+++ llvm/trunk/lib/TableGen/Record.cpp Sat May 16 00:42:03 2015
@@ -1113,12 +1113,13 @@ Init *TernOpInit::Fold(Record *CurRec, M
 
       std::string::size_type found;
       std::string::size_type idx = 0;
-      do {
+      while (true) {
         found = Val.find(LHSs->getValue(), idx);
-        if (found != std::string::npos)
-          Val.replace(found, LHSs->getValue().size(), MHSs->getValue());
-        idx = found +  MHSs->getValue().size();
-      } while (found != std::string::npos);
+        if (found == std::string::npos)
+          break;
+        Val.replace(found, LHSs->getValue().size(), MHSs->getValue());
+        idx = found + MHSs->getValue().size();
+      }
 
       return StringInit::get(Val);
     }