Refactor TargetMachine, pushing handling of TargetData into the target-specific subclasses.  This has one caller-visible change: getTargetData() now returns a pointer instead of a reference.

This fixes PR 759.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28074 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Sparc/SparcTargetMachine.cpp b/lib/Target/Sparc/SparcTargetMachine.cpp
index 2b56be2..ad72cf7 100644
--- a/lib/Target/Sparc/SparcTargetMachine.cpp
+++ b/lib/Target/Sparc/SparcTargetMachine.cpp
@@ -31,7 +31,8 @@
 /// SparcTargetMachine ctor - Create an ILP32 architecture model
 ///
 SparcTargetMachine::SparcTargetMachine(const Module &M, const std::string &FS)
-  : TargetMachine("Sparc", false, 4, 4),
+  : TargetMachine("Sparc"),
+    DataLayout("Sparc", false, 4, 4),
     Subtarget(M, FS), InstrInfo(Subtarget),
     FrameInfo(TargetFrameInfo::StackGrowsDown, 8, 0) {
 }