MachineFunction: Return reference from getFunction(); NFC

The Function can never be nullptr so we can return a reference.

llvm-svn: 320884

1 files changed, 4 insertions, 4 deletions

diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index ea076a98cf6..12a21e74079 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -909,7 +909,7 @@ void SelectionDAG::init(MachineFunction &NewMF,
   ORE = &NewORE;
   TLI = getSubtarget().getTargetLowering();
   TSI = getSubtarget().getSelectionDAGInfo();
-  Context = &MF->getFunction()->getContext();
+  Context = &MF->getFunction().getContext();
 }
 
 SelectionDAG::~SelectionDAG() {
@@ -1331,7 +1331,7 @@ SDValue SelectionDAG::getConstantPool(const Constant *C, EVT VT,
   assert((TargetFlags == 0 || isTarget) &&
          "Cannot set target flags on target-independent globals");
   if (Alignment == 0)
-    Alignment = MF->getFunction()->optForSize()
+    Alignment = MF->getFunction().optForSize()
                     ? getDataLayout().getABITypeAlignment(C->getType())
                     : getDataLayout().getPrefTypeAlignment(C->getType());
   unsigned Opc = isTarget ? ISD::TargetConstantPool : ISD::ConstantPool;
@@ -5100,8 +5100,8 @@ static bool shouldLowerMemFuncForSize(const MachineFunction &MF) {
   // On Darwin, -Os means optimize for size without hurting performance, so
   // only really optimize for size when -Oz (MinSize) is used.
   if (MF.getTarget().getTargetTriple().isOSDarwin())
-    return MF.getFunction()->optForMinSize();
-  return MF.getFunction()->optForSize();
+    return MF.getFunction().optForMinSize();
+  return MF.getFunction().optForSize();
 }
 
 static SDValue getMemcpyLoadsAndStores(SelectionDAG &DAG, const SDLoc &dl,