Remove dead variables.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133346 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/CGDecl.cpp

@@ -463,7 +463,6 @@ void CodeGenFunction::EmitScalarInit(const Expr *init,
                                      const ValueDecl *D,
                                      LValue lvalue,
                                      bool capturedByInit) {
-  QualType type = lvalue.getType();
   Qualifiers::ObjCLifetime lifetime = lvalue.getObjCLifetime();
   if (!lifetime) {
     llvm::Value *value = EmitScalarExpr(init);

lib/CodeGen/CGExpr.cpp

@@ -2111,7 +2111,6 @@ RValue CodeGenFunction::EmitCallExpr(const CallExpr *E,
       // Automatic Reference Counting:
       //   If the pseudo-expression names a retainable object with weak or
       //   strong lifetime, the object shall be released.
-      bool isNonGC = false;
       Expr *BaseExpr = PseudoDtor->getBase();
       llvm::Value *BaseValue = NULL;
       Qualifiers BaseQuals;
@@ -2123,8 +2122,6 @@ RValue CodeGenFunction::EmitCallExpr(const CallExpr *E,
         BaseQuals = PTy->getPointeeType().getQualifiers();
       } else {
         LValue BaseLV = EmitLValue(BaseExpr);
-        if (BaseLV.isNonGC())
-          isNonGC = true;
         BaseValue = BaseLV.getAddress();
         QualType BaseTy = BaseExpr->getType();
         BaseQuals = BaseTy.getQualifiers();

lib/CodeGen/CGObjC.cpp

@@ -2226,8 +2226,6 @@ static llvm::Value *emitARCRetainAfterCall(CodeGenFunction &CGF,
 
 static TryEmitResult
 tryEmitARCRetainScalarExpr(CodeGenFunction &CGF, const Expr *e) {
-  QualType originalType = e->getType();
-
   // The desired result type, if it differs from the type of the
   // ultimate opaque expression.
   const llvm::Type *resultType = 0;

lib/Parse/ParseObjc.cpp

@@ -864,7 +864,6 @@ Decl *Parser::ParseObjCMethodDecl(SourceLocation mLoc,
   }
 
   // Now parse the selector.
-  SourceLocation SelectorStartLoc = Tok.getLocation();
   SourceLocation selLoc;
   IdentifierInfo *SelIdent = ParseObjCSelectorPiece(selLoc);