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/PowerPC/PPCTargetMachine.cpp b/lib/Target/PowerPC/PPCTargetMachine.cpp
index d35ceb1..fd9df20 100644
--- a/lib/Target/PowerPC/PPCTargetMachine.cpp
+++ b/lib/Target/PowerPC/PPCTargetMachine.cpp
@@ -58,7 +58,8 @@
 }
 
 PPCTargetMachine::PPCTargetMachine(const Module &M, const std::string &FS)
-: TargetMachine("PowerPC", false, 4, 4, 4, 4, 4, 4, 2, 1, 1),
+: TargetMachine("PowerPC"),
+  DataLayout("PowerPC", false, 4, 4, 4, 4, 4),
   Subtarget(M, FS), FrameInfo(*this, false), JITInfo(*this),
   TLInfo(*this), InstrItins(Subtarget.getInstrItineraryData()) {
   if (TargetDefault == PPCTarget) {