MIPS: Initialize MIPS CPU's name by default value.
Otherwise MipsTargetInfoBase::getDefaultFeatures() might return an invalid
features set with an empty feature name.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154606 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index 8cf27b3..1ad37c4 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -3449,8 +3449,11 @@
   std::string ABI;
 
 public:
-  MipsTargetInfoBase(const std::string& triple, const std::string& ABIStr)
+  MipsTargetInfoBase(const std::string& triple,
+                     const std::string& ABIStr,
+                     const std::string& CPUStr)
     : TargetInfo(triple),
+      CPU(CPUStr),
       SoftFloat(false), SingleFloat(false),
       ABI(ABIStr)
   {}
@@ -3575,7 +3578,7 @@
 class Mips32TargetInfoBase : public MipsTargetInfoBase {
 public:
   Mips32TargetInfoBase(const std::string& triple) :
-    MipsTargetInfoBase(triple, "o32") {
+    MipsTargetInfoBase(triple, "o32", "mips32") {
     SizeType = UnsignedInt;
     PtrDiffType = SignedInt;
   }
@@ -3679,7 +3682,7 @@
   virtual void SetDescriptionString(const std::string &Name) = 0;
 public:
   Mips64TargetInfoBase(const std::string& triple) :
-    MipsTargetInfoBase(triple, "n64") {
+    MipsTargetInfoBase(triple, "n64", "mips64") {
     LongWidth = LongAlign = 64;
     PointerWidth = PointerAlign = 64;
     LongDoubleWidth = LongDoubleAlign = 128;