Pass llvm::Triple objects by const reference.

Copying isn't cheap as it contains a std::string.

llvm-svn: 202880

1 files changed, 2 insertions, 2 deletions

diff --git a/clang/lib/Sema/AttributeList.cpp b/clang/lib/Sema/AttributeList.cpp
index 7258b37ffe9..c4c1b805c16 100644
--- a/clang/lib/Sema/AttributeList.cpp
+++ b/clang/lib/Sema/AttributeList.cpp
@@ -155,7 +155,7 @@ struct ParsedAttrInfo {
   bool (*DiagAppertainsToDecl)(Sema &S, const AttributeList &Attr,
                                const Decl *);
   bool (*DiagLangOpts)(Sema &S, const AttributeList &Attr);
-  bool (*ExistsInTarget)(llvm::Triple T);
+  bool (*ExistsInTarget)(const llvm::Triple &T);
   unsigned (*SpellingIndexToSemanticSpelling)(const AttributeList &Attr);
 };
 
@@ -195,7 +195,7 @@ bool AttributeList::isTypeAttr() const {
   return getInfo(*this).IsType;
 }
 
-bool AttributeList::existsInTarget(llvm::Triple T) const {
+bool AttributeList::existsInTarget(const llvm::Triple &T) const {
   return getInfo(*this).ExistsInTarget(T);
 }