Switch TargetInfo to store an llvm::Triple.
 - Primarily to discourage clients form making decisions based on the string.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@79901 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/PCHReader.cpp b/lib/Frontend/PCHReader.cpp
index c025fcd..cb008c0 100644
--- a/lib/Frontend/PCHReader.cpp
+++ b/lib/Frontend/PCHReader.cpp
@@ -115,9 +115,9 @@
 }
 
 bool PCHValidator::ReadTargetTriple(const std::string &Triple) {
-  if (Triple != PP.getTargetInfo().getTargetTriple()) {
+  if (Triple != PP.getTargetInfo().getTriple().getTriple()) {
     Reader.Diag(diag::warn_pch_target_triple)
-      << Triple << PP.getTargetInfo().getTargetTriple();
+      << Triple << PP.getTargetInfo().getTriple().getTriple();
     return true;
   }
   return false;
diff --git a/lib/Frontend/PCHWriter.cpp b/lib/Frontend/PCHWriter.cpp
index dc0ee35..ae8a589 100644
--- a/lib/Frontend/PCHWriter.cpp
+++ b/lib/Frontend/PCHWriter.cpp
@@ -526,8 +526,9 @@
   Record.push_back(CLANG_VERSION_MAJOR);
   Record.push_back(CLANG_VERSION_MINOR);
   Record.push_back(isysroot != 0);
-  const char *Triple = Target.getTargetTriple();
-  Stream.EmitRecordWithBlob(MetaAbbrevCode, Record, Triple, strlen(Triple));
+  const std::string &TripleStr = Target.getTriple().getTriple();
+  Stream.EmitRecordWithBlob(MetaAbbrevCode, Record,
+                            TripleStr.data(), TripleStr.size());
   
   // Original file name
   SourceManager &SM = Context.getSourceManager();