Remove getSubtargetImpl calls from FastISel, we can get it from

the MachineFunction where it's already cached.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219366 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/SelectionDAG/FastISel.cpp

@@ -1579,10 +1579,10 @@ FastISel::FastISel(FunctionLoweringInfo &FuncInfo,
                    bool SkipTargetIndependentISel)
     : FuncInfo(FuncInfo), MF(FuncInfo.MF), MRI(FuncInfo.MF->getRegInfo()),
       MFI(*FuncInfo.MF->getFrameInfo()), MCP(*FuncInfo.MF->getConstantPool()),
-      TM(FuncInfo.MF->getTarget()), DL(*TM.getSubtargetImpl()->getDataLayout()),
-      TII(*TM.getSubtargetImpl()->getInstrInfo()),
-      TLI(*TM.getSubtargetImpl()->getTargetLowering()),
-      TRI(*TM.getSubtargetImpl()->getRegisterInfo()), LibInfo(LibInfo),
+      TM(FuncInfo.MF->getTarget()), DL(*MF->getSubtarget().getDataLayout()),
+      TII(*MF->getSubtarget().getInstrInfo()),
+      TLI(*MF->getSubtarget().getTargetLowering()),
+      TRI(*MF->getSubtarget().getRegisterInfo()), LibInfo(LibInfo),
       SkipTargetIndependentISel(SkipTargetIndependentISel) {}
 
 FastISel::~FastISel() {}
@@ -2132,8 +2132,7 @@ FastISel::createMachineMemOperandFor(const Instruction *I) const {
   if (Alignment == 0) // Ensure that codegen never sees alignment 0.
     Alignment = DL.getABITypeAlignment(ValTy);
 
-  unsigned Size =
-      TM.getSubtargetImpl()->getDataLayout()->getTypeStoreSize(ValTy);
+  unsigned Size = DL.getTypeStoreSize(ValTy);
 
   if (IsVolatile)
     Flags |= MachineMemOperand::MOVolatile;