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

lib/Target/Alpha/AlphaTargetMachine.cpp

@@ -54,8 +54,7 @@ unsigned AlphaTargetMachine::getJITMatchQuality() {
 }
 
 AlphaTargetMachine::AlphaTargetMachine(const Module &M, const std::string &FS)
-  : TargetMachine("alpha"),
-    DataLayout(std::string("alpha"), std::string("e")),
+  : TargetMachine("alpha"), DataLayout("e"),
     FrameInfo(TargetFrameInfo::StackGrowsDown, 16, 0),
     JITInfo(*this),
     Subtarget(M, FS)