Use StringRef in Triple API (NFC)

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@282996 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/CGBuiltin.cpp b/lib/CodeGen/CGBuiltin.cpp
index 8ce69b8921eff286b67429b71e8fbf4f07b31f1f..c272e80d5df431d545786b99399437a90db74a01 100644 (file)
--- a/lib/CodeGen/CGBuiltin.cpp
+++ b/lib/CodeGen/CGBuiltin.cpp
@@ -2492,14 +2492,15 @@ RValue CodeGenFunction::EmitBuiltinExpr(const FunctionDecl *FD,
   // See if we have a target specific intrinsic.
   const char *Name = getContext().BuiltinInfo.getName(BuiltinID);
   Intrinsic::ID IntrinsicID = Intrinsic::not_intrinsic;
-  if (const char *Prefix =
-          llvm::Triple::getArchTypePrefix(getTarget().getTriple().getArch())) {
-    IntrinsicID = Intrinsic::getIntrinsicForGCCBuiltin(Prefix, Name);
+  StringRef Prefix =
+      llvm::Triple::getArchTypePrefix(getTarget().getTriple().getArch());
+  if (!Prefix.empty()) {
+    IntrinsicID = Intrinsic::getIntrinsicForGCCBuiltin(Prefix.data(), Name);
     // NOTE we dont need to perform a compatibility flag check here since the
     // intrinsics are declared in Builtins*.def via LANGBUILTIN which filter the
     // MS builtins via ALL_MS_LANGUAGES and are filtered earlier.
     if (IntrinsicID == Intrinsic::not_intrinsic)
-      IntrinsicID = Intrinsic::getIntrinsicForMSBuiltin(Prefix, Name);
+      IntrinsicID = Intrinsic::getIntrinsicForMSBuiltin(Prefix.data(), Name);
   }
 
   if (IntrinsicID != Intrinsic::not_intrinsic) {