Don't pass target name into TargetData anymore, it is never used or needed.
Remove explicit casts to std::string now that there is no overload resolution
issues in the TargetData ctors.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28830 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCTargetMachine.cpp b/lib/Target/PowerPC/PPCTargetMachine.cpp
index a518f9d..78ea481 100644
--- a/lib/Target/PowerPC/PPCTargetMachine.cpp
+++ b/lib/Target/PowerPC/PPCTargetMachine.cpp
@@ -87,8 +87,7 @@
 PPCTargetMachine::PPCTargetMachine(const Module &M, const std::string &FS,
                                    bool is64Bit)
   : TargetMachine("PowerPC"), Subtarget(M, FS, is64Bit),
-    DataLayout(std::string("PowerPC"), 
-               std::string(Subtarget.getTargetDataString())),
+    DataLayout(Subtarget.getTargetDataString()),
     FrameInfo(*this, false), JITInfo(*this), TLInfo(*this),
     InstrItins(Subtarget.getInstrItineraryData()) {