From bacb98873594c6c5df06dad6bb54f7fd396c175f Mon Sep 17 00:00:00 2001
From: "Bhushan D. Attarde" <Bhushan.Attarde@imgtec.com>
Date: Fri, 4 Mar 2016 06:56:29 +0000
Subject: [PATCH] [MIPS] initFeatureMap() to handle empty string argument

    SUMMARY:
    This patch sets CPU string to its default value when it is not supplied by caller.

    Reviewers: vkalintiris, dsanders
    Subscribers: mohit.bhakkad, sagar, jaydeep, cfe-commits
    Differential Revision: http://reviews.llvm.org/D16139

llvm-svn: 262691
---
 clang/lib/Basic/Targets.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/clang/lib/Basic/Targets.cpp b/clang/lib/Basic/Targets.cpp
index 9f0fb902f389..db86b93f0882 100644
--- a/clang/lib/Basic/Targets.cpp
+++ b/clang/lib/Basic/Targets.cpp
@@ -6689,6 +6689,8 @@ public:
   initFeatureMap(llvm::StringMap<bool> &Features, DiagnosticsEngine &Diags,
                  StringRef CPU,
                  const std::vector<std::string> &FeaturesVec) const override {
+    if (CPU.empty())
+      CPU = getCPU();
     if (CPU == "octeon")
       Features["mips64r2"] = Features["cnmips"] = true;
     else