MachineFunction: Return reference from getFunction(); NFC

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

llvm-svn: 320884

1 files changed, 3 insertions, 3 deletions

diff --git a/llvm/lib/CodeGen/BranchFolding.cpp b/llvm/lib/CodeGen/BranchFolding.cpp
index 99270ff4ea7..7f358a67936 100644
--- a/llvm/lib/CodeGen/BranchFolding.cpp
+++ b/llvm/lib/CodeGen/BranchFolding.cpp
@@ -118,7 +118,7 @@ INITIALIZE_PASS(BranchFolderPass, DEBUG_TYPE,
                 "Control Flow Optimizer", false, false)
 
 bool BranchFolderPass::runOnMachineFunction(MachineFunction &MF) {
-  if (skipFunction(*MF.getFunction()))
+  if (skipFunction(MF.getFunction()))
     return false;
 
   TargetPassConfig *PassConfig = &getAnalysis<TargetPassConfig>();
@@ -685,7 +685,7 @@ ProfitableToMerge(MachineBasicBlock *MBB1, MachineBasicBlock *MBB2,
   // branch instruction, which is likely to be smaller than the 2
   // instructions that would be deleted in the merge.
   MachineFunction *MF = MBB1->getParent();
-  return EffectiveTailLen >= 2 && MF->getFunction()->optForSize() &&
+  return EffectiveTailLen >= 2 && MF->getFunction().optForSize() &&
          (I1 == MBB1->begin() || I2 == MBB2->begin());
 }
 
@@ -1511,7 +1511,7 @@ ReoptimizeBlock:
   }
 
   if (!IsEmptyBlock(MBB) && MBB->pred_size() == 1 &&
-      MF.getFunction()->optForSize()) {
+      MF.getFunction().optForSize()) {
     // Changing "Jcc foo; foo: jmp bar;" into "Jcc bar;" might change the branch
     // direction, thereby defeating careful block placement and regressing
     // performance. Therefore, only consider this for optsize functions.