MIPS TLS: use the model selected by TargetMachine::getTLSModel().

This was mostly done already in r156162, but I missed one place.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157929 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Mips/MipsISelLowering.cpp b/lib/Target/Mips/MipsISelLowering.cpp
index 6b39b90..d44bdca 100644
--- a/lib/Target/Mips/MipsISelLowering.cpp
+++ b/lib/Target/Mips/MipsISelLowering.cpp
@@ -1648,9 +1648,10 @@
   TLSModel::Model model = getTargetMachine().getTLSModel(GV);
 
   if (model == TLSModel::GeneralDynamic || model == TLSModel::LocalDynamic) {
-    // General Dynamic TLS Model
-    bool LocalDynamic = GV->hasInternalLinkage();
-    unsigned Flag = LocalDynamic ? MipsII::MO_TLSLDM :MipsII::MO_TLSGD;
+    // General Dynamic and Local Dynamic TLS Model.
+    unsigned Flag = (model == TLSModel::LocalDynamic) ? MipsII::MO_TLSLDM
+                                                      : MipsII::MO_TLSGD;
+
     SDValue TGA = DAG.getTargetGlobalAddress(GV, dl, PtrVT, 0, Flag);
     SDValue Argument = DAG.getNode(MipsISD::Wrapper, dl, PtrVT,
                                    GetGlobalReg(DAG, PtrVT), TGA);