Add an overload of getLastArgNoClaim taking two OptSpecifiers.

Summary: This will be used in clang.

Test Plan: Will be tested on the clang side.

Reviewers: hansw

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D5337

llvm-svn: 217702

2 files changed, 10 insertions, 0 deletions

diff --git a/llvm/include/llvm/Option/ArgList.h b/llvm/include/llvm/Option/ArgList.h
index d46b0e892fa..3f8547e7fe4 100644
--- a/llvm/include/llvm/Option/ArgList.h
+++ b/llvm/include/llvm/Option/ArgList.h
@@ -187,6 +187,7 @@ public:
   ///
   /// \p Claim Whether the argument should be claimed, if it exists.
   Arg *getLastArgNoClaim(OptSpecifier Id) const;
+  Arg *getLastArgNoClaim(OptSpecifier Id0, OptSpecifier Id1) const;
   Arg *getLastArg(OptSpecifier Id) const;
   Arg *getLastArg(OptSpecifier Id0, OptSpecifier Id1) const;
   Arg *getLastArg(OptSpecifier Id0, OptSpecifier Id1, OptSpecifier Id2) const;
diff --git a/llvm/lib/Option/ArgList.cpp b/llvm/lib/Option/ArgList.cpp
index 5848bb11bfa..041e5522f47 100644
--- a/llvm/lib/Option/ArgList.cpp
+++ b/llvm/lib/Option/ArgList.cpp
@@ -54,6 +54,15 @@ Arg *ArgList::getLastArgNoClaim(OptSpecifier Id) const {
   return nullptr;
 }
 
+Arg *ArgList::getLastArgNoClaim(OptSpecifier Id0, OptSpecifier Id1) const {
+  // FIXME: Make search efficient?
+  for (const_reverse_iterator it = rbegin(), ie = rend(); it != ie; ++it)
+    if ((*it)->getOption().matches(Id0) ||
+        (*it)->getOption().matches(Id1))
+      return *it;
+  return nullptr;
+}
+
 Arg *ArgList::getLastArg(OptSpecifier Id) const {
   Arg *Res = nullptr;
   for (const_iterator it = begin(), ie = end(); it != ie; ++it) {