AArch64ISelLowering: Remove unused variables/arguments; NFC

llvm-svn: 265098

diff --git a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
index 5351f28..318f7c9 100644 (file)
--- a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
+++ b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
@@ -2802,7 +2802,6 @@ SDValue AArch64TargetLowering::LowerCallResult(
 
 bool AArch64TargetLowering::isEligibleForTailCallOptimization(
     SDValue Callee, CallingConv::ID CalleeCC, bool isVarArg,
-    bool isCalleeStructRet, bool isCallerStructRet,
     const SmallVectorImpl<ISD::OutputArg> &Outs,
     const SmallVectorImpl<SDValue> &OutVals,
     const SmallVectorImpl<ISD::InputArg> &Ins, SelectionDAG &DAG) const {
@@ -2960,7 +2959,6 @@ AArch64TargetLowering::LowerCall(CallLoweringInfo &CLI,
   bool IsVarArg = CLI.IsVarArg;
 
   MachineFunction &MF = DAG.getMachineFunction();
-  bool IsStructRet = (Outs.empty()) ? false : Outs[0].Flags.isSRet();
   bool IsThisReturn = false;
 
   AArch64FunctionInfo *FuncInfo = MF.getInfo<AArch64FunctionInfo>();
@@ -2970,8 +2968,7 @@ AArch64TargetLowering::LowerCall(CallLoweringInfo &CLI,
   if (IsTailCall) {
     // Check if it's really possible to do a tail call.
     IsTailCall = isEligibleForTailCallOptimization(
-        Callee, CallConv, IsVarArg, IsStructRet,
-        MF.getFunction()->hasStructRetAttr(), Outs, OutVals, Ins, DAG);
+        Callee, CallConv, IsVarArg, Outs, OutVals, Ins, DAG);
     if (!IsTailCall && CLI.CS && CLI.CS->isMustTailCall())
       report_fatal_error("failed to perform tail call elimination on a call "
                          "site marked musttail");

diff --git a/llvm/lib/Target/AArch64/AArch64ISelLowering.h b/llvm/lib/Target/AArch64/AArch64ISelLowering.h
index 13eba09..2f5b5f3 100644 (file)
--- a/llvm/lib/Target/AArch64/AArch64ISelLowering.h
+++ b/llvm/lib/Target/AArch64/AArch64ISelLowering.h
@@ -426,7 +426,6 @@ private:
 
   bool isEligibleForTailCallOptimization(
       SDValue Callee, CallingConv::ID CalleeCC, bool isVarArg,
-      bool isCalleeStructRet, bool isCallerStructRet,
       const SmallVectorImpl<ISD::OutputArg> &Outs,
       const SmallVectorImpl<SDValue> &OutVals,
       const SmallVectorImpl<ISD::InputArg> &Ins, SelectionDAG &DAG) const;