From 5a364c5561ec04e33a6f5d52c14f1bac6f247ea0 Mon Sep 17 00:00:00 2001
From: Juergen Ributzka <juergen@apple.com>
Date: Fri, 15 Nov 2013 22:34:48 +0000
Subject: [weak vtables] Remove a bunch of weak vtables

This patch removes most of the trivial cases of weak vtables by pinning them to
a single object file.

Differential Revision: http://llvm-reviews.chandlerc.com/D2068

Reviewed by Andy

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194865 91177308-0d34-0410-b5e6-96231b3b80d8
---
 examples/Kaleidoscope/Chapter2/toy.cpp | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

(limited to 'examples/Kaleidoscope/Chapter2/toy.cpp')

diff --git a/examples/Kaleidoscope/Chapter2/toy.cpp b/examples/Kaleidoscope/Chapter2/toy.cpp
index 2dc6711eed..43eeb1c2cd 100644
--- a/examples/Kaleidoscope/Chapter2/toy.cpp
+++ b/examples/Kaleidoscope/Chapter2/toy.cpp
@@ -79,28 +79,39 @@ static int gettok() {
 /// ExprAST - Base class for all expression nodes.
 class ExprAST {
 public:
-  virtual ~ExprAST() {}
+  virtual ~ExprAST();
 };
 
+ExprAST::~ExprAST() {}
+
 /// NumberExprAST - Expression class for numeric literals like "1.0".
 class NumberExprAST : public ExprAST {
 public:
   NumberExprAST(double val) {}
+  virtual ~NumberExprAST();
 };
 
+NumberExprAST::~NumberExprAST() {}
+
 /// VariableExprAST - Expression class for referencing a variable, like "a".
 class VariableExprAST : public ExprAST {
   std::string Name;
 public:
   VariableExprAST(const std::string &name) : Name(name) {}
+  virtual ~VariableExprAST();
 };
 
+VariableExprAST::~VariableExprAST() {}
+
 /// BinaryExprAST - Expression class for a binary operator.
 class BinaryExprAST : public ExprAST {
 public:
   BinaryExprAST(char op, ExprAST *lhs, ExprAST *rhs) {}
+  virtual ~BinaryExprAST();
 };
 
+BinaryExprAST::~BinaryExprAST() {}
+
 /// CallExprAST - Expression class for function calls.
 class CallExprAST : public ExprAST {
   std::string Callee;
@@ -108,8 +119,11 @@ class CallExprAST : public ExprAST {
 public:
   CallExprAST(const std::string &callee, std::vector<ExprAST*> &args)
     : Callee(callee), Args(args) {}
+  virtual ~CallExprAST();
 };
 
+CallExprAST::~CallExprAST() {}
+
 /// PrototypeAST - This class represents the "prototype" for a function,
 /// which captures its name, and its argument names (thus implicitly the number
 /// of arguments the function takes).
-- 
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