commit 30bf11e181b88f7da831f80bb2ce01d4af8e6502
author Daniel Dunbar <daniel@zuster.org> Tue Apr 07 21:08:57 2009 +0000
committer Daniel Dunbar <daniel@zuster.org> Tue Apr 07 21:08:57 2009 +0000
tree 0bbe87b6d16955162ad2c42e772e01cacba2c847
parent ceec5cbaed7e6a695282ab30296ff6ab89c5e430

Driver: Add default for ArgList::hasFlag and simplify implementation.

llvm-svn: 68549

clang/lib/Driver/ArgList.cpp

diff --git a/clang/lib/Driver/ArgList.cpp b/clang/lib/Driver/ArgList.cpp
index 69cb85b..7823673 100644
--- a/clang/lib/Driver/ArgList.cpp
+++ b/clang/lib/Driver/ArgList.cpp
@@ -50,12 +50,8 @@
 }
 
 bool ArgList::hasFlag(options::ID Pos, options::ID Neg, bool Default) const {
-  Arg *PosA = getLastArg(Pos);
-  Arg *NegA = getLastArg(Neg);
-  if (PosA && NegA)
-    return NegA->getIndex() < PosA->getIndex();
-  if (PosA) return true;
-  if (NegA) return false;
+  if (Arg *A = getLastArg(Pos, Neg))
+    return A->getOption().matches(Pos);
   return Default;
 }