Revert "Remove access to the DataLayout in the TargetMachine"

This reverts commit 0f720d984f419c747709462f7476dff962c0bc41.

It breaks clang too badly, I need to prepare a proper patch for clang
first.

From: Mehdi Amini <mehdi.amini@apple.com>
llvm-svn: 243089

1 files changed, 3 insertions, 3 deletions

diff --git a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index 8a0854628a6..ecdc7fa8b35 100644
--- a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -139,9 +139,9 @@ const DataLayout &AsmPrinter::getDataLayout() const {
   return MMI->getModule()->getDataLayout();
 }
 
-// Do not use the cached DataLayout because some client use it without a Module
-// (llmv-dsymutil, llvm-dwarfdump).
-unsigned AsmPrinter::getPointerSize() const { return TM.getPointerSize(); }
+unsigned AsmPrinter::getPointerSize() const {
+  return TM.getDataLayout()->getPointerSize();
+}
 
 const MCSubtargetInfo &AsmPrinter::getSubtargetInfo() const {
   assert(MF && "getSubtargetInfo requires a valid MachineFunction!");