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/Alpha/AlphaAsmPrinter.cpp b/lib/Target/Alpha/AlphaAsmPrinter.cpp
index b078b68..74af78e 100644
--- a/lib/Target/Alpha/AlphaAsmPrinter.cpp
+++ b/lib/Target/Alpha/AlphaAsmPrinter.cpp
@@ -221,7 +221,7 @@
 }
 
 bool AlphaAsmPrinter::doFinalization(Module &M) {
-  const TargetData &TD = TM.getTargetData();
+  const TargetData *TD = TM.getTargetData();
 
   for (Module::const_global_iterator I = M.global_begin(), E = M.global_end(); I != E; ++I)
     if (I->hasInitializer()) {   // External global require no code
@@ -232,8 +232,8 @@
       O << "\n\n";
       std::string name = Mang->getValueName(I);
       Constant *C = I->getInitializer();
-      unsigned Size = TD.getTypeSize(C->getType());
-      //      unsigned Align = TD.getTypeAlignmentShift(C->getType());
+      unsigned Size = TD->getTypeSize(C->getType());
+      //      unsigned Align = TD->getTypeAlignmentShift(C->getType());
       unsigned Align = getPreferredAlignmentLog(I);
 
       if (C->isNullValue() &&
@@ -243,7 +243,7 @@
         if (I->hasInternalLinkage())
           O << "\t.local " << name << "\n";
 
-        O << "\t.comm " << name << "," << TD.getTypeSize(C->getType())
+        O << "\t.comm " << name << "," << TD->getTypeSize(C->getType())
           << "," << (1 << Align)
           <<  "\n";
       } else {