Remove dead function AArch64TargetLowering::getFunctionAlignment. NFC.

Reviewers: t.p.northover, jmolloy, mcrosier

Subscribers: aemerson, rengolin, llvm-commits

Differential Revision: http://reviews.llvm.org/D15458

llvm-svn: 255509

llvm/lib/Target/AArch64/AArch64ISelLowering.cpp

@@ -2338,11 +2338,6 @@ SDValue AArch64TargetLowering::LowerOperation(SDValue Op,
   }
 }
 
-/// getFunctionAlignment - Return the Log2 alignment of this function.
-unsigned AArch64TargetLowering::getFunctionAlignment(const Function *F) const {
-  return 2;
-}
-
 //===----------------------------------------------------------------------===//
 //                      Calling Convention Implementation
 //===----------------------------------------------------------------------===//

llvm/lib/Target/AArch64/AArch64ISelLowering.h

@@ -247,9 +247,6 @@ public:
 
   SDValue PerformDAGCombine(SDNode *N, DAGCombinerInfo &DCI) const override;
 
-  /// Return the Log2 alignment of this function.
-  unsigned getFunctionAlignment(const Function *F) const;
-
   /// Returns true if a cast between SrcAS and DestAS is a noop.
   bool isNoopAddrSpaceCast(unsigned SrcAS, unsigned DestAS) const override {
     // Addrspacecasts are always noops.