Remove unused varible

[chenwj]

Summary

The Result variable is unused both in Sema::CheckARMBuiltinFunctionCall and Sema::CheckAArch64BuiltinFunctionCall, remove it.

[rnk]

Looks good

[chenwj]

I don't have commit access, need someone's help. :-)

[chenwj]

Ping? :-)

lib/Sema/SemaChecking.cpp

bool Sema::CheckARMBuiltinExclusiveCall(unsigned BuiltinID, CallExpr *TheCall,
 
   // __builtin_arm_strex always returns an int. It's marked as such in the .def,
   // but the custom checker bypasses all default analysis.
   TheCall->setType(Context.IntTy);
   return false;
 }
 
 bool Sema::CheckARMBuiltinFunctionCall(unsigned BuiltinID, CallExpr *TheCall) {
-  llvm::APSInt Result;
-
   if (BuiltinID == ARM::BI__builtin_arm_ldrex ||
       BuiltinID == ARM::BI__builtin_arm_ldaex ||
       BuiltinID == ARM::BI__builtin_arm_strex ||
       BuiltinID == ARM::BI__builtin_arm_stlex) {
     return CheckARMBuiltinExclusiveCall(BuiltinID, TheCall, 64);
   }
 
   if (BuiltinID == ARM::BI__builtin_arm_prefetch) {
bool Sema::CheckARMBuiltinFunctionCall(unsigned BuiltinID, CallExpr *TheCall) {
   }
 
   // FIXME: VFP Intrinsics should error if VFP not present.
   return SemaBuiltinConstantArgRange(TheCall, i, l, u + l);
 }
 
 bool Sema::CheckAArch64BuiltinFunctionCall(unsigned BuiltinID,
                                          CallExpr *TheCall) {
-  llvm::APSInt Result;
-
   if (BuiltinID == AArch64::BI__builtin_arm_ldrex ||
       BuiltinID == AArch64::BI__builtin_arm_ldaex ||
       BuiltinID == AArch64::BI__builtin_arm_strex ||
       BuiltinID == AArch64::BI__builtin_arm_stlex) {
     return CheckARMBuiltinExclusiveCall(BuiltinID, TheCall, 128);
   }
 
   if (BuiltinID == AArch64::BI__builtin_arm_prefetch) {