Remove getDataLayout() from TargetLowering

Summary:
This change is part of a series of commits dedicated to have a single
DataLayout during compilation by using always the one owned by the
module.

Reviewers: echristo

Subscribers: yaron.keren, rafael, llvm-commits, jholewinski

Differential Revision: http://reviews.llvm.org/D11042

From: Mehdi Amini <mehdi.amini@apple.com>
llvm-svn: 241779
diff --git a/llvm/lib/Target/Mips/MipsISelLowering.cpp b/llvm/lib/Target/Mips/MipsISelLowering.cpp
index f95150f..97f1952 100644
--- a/llvm/lib/Target/Mips/MipsISelLowering.cpp
+++ b/llvm/lib/Target/Mips/MipsISelLowering.cpp
@@ -1583,7 +1583,7 @@
   auto &TD = DAG.getDataLayout();
   EVT PTy = getPointerTy(TD);
   unsigned EntrySize =
-    DAG.getMachineFunction().getJumpTableInfo()->getEntrySize(*getDataLayout());
+      DAG.getMachineFunction().getJumpTableInfo()->getEntrySize(TD);
 
   Index = DAG.getNode(ISD::MUL, DL, PTy, Index,
                       DAG.getConstant(EntrySize, DL, PTy));
@@ -1876,7 +1876,9 @@
   }
 
   // Increment the pointer, VAList, to the next vaarg.
-  unsigned ArgSizeInBytes = getDataLayout()->getTypeAllocSize(VT.getTypeForEVT(*DAG.getContext()));
+  auto &TD = DAG.getDataLayout();
+  unsigned ArgSizeInBytes =
+      TD.getTypeAllocSize(VT.getTypeForEVT(*DAG.getContext()));
   SDValue Tmp3 = DAG.getNode(ISD::ADD, DL, VAList.getValueType(), VAList,
                              DAG.getConstant(RoundUpToAlignment(ArgSizeInBytes,
                                                             ArgSlotSizeInBytes),