commit 82905749d5c8d8b4edec11de754a73349cb96603
author Eli Friedman <eli.friedman@gmail.com> Thu Jul 07 01:54:01 2011 +0000
committer Eli Friedman <eli.friedman@gmail.com> Thu Jul 07 01:54:01 2011 +0000
tree ced36138968c140cf09f02b5a7d581b2c5ae74f0
parent 9934078119eed79d06a47af34fe1a266981dfd42

Zap a couple unnecessary loops.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134578 91177308-0d34-0410-b5e6-96231b3b80d8

lib/AST/ExprConstant.cpp

diff --git a/lib/AST/ExprConstant.cpp b/lib/AST/ExprConstant.cpp
index df33f7a..cc8c501 100644
--- a/lib/AST/ExprConstant.cpp
+++ b/lib/AST/ExprConstant.cpp
@@ -536,15 +536,7 @@
   if (FD->getType()->isReferenceType())
     return false;
 
-  // FIXME: This is linear time.
-  unsigned i = 0;
-  for (RecordDecl::field_iterator Field = RD->field_begin(),
-                               FieldEnd = RD->field_end();
-       Field != FieldEnd; (void)++Field, ++i) {
-    if (*Field == FD)
-      break;
-  }
-
+  unsigned i = FD->getFieldIndex();
   Result.Offset += Info.Ctx.toCharUnitsFromBits(RL.getFieldOffset(i));
   return true;
 }