[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. The memory leaks in this version have been fixed. Thanks
Alexey for pointing them out.
Differential Revision: http://llvm-reviews.chandlerc.com/D2068
Reviewed by Andy
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@195064 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/examples/Kaleidoscope/Chapter3/toy.cpp b/examples/Kaleidoscope/Chapter3/toy.cpp
index 0fb64e3..2494345 100644
--- a/examples/Kaleidoscope/Chapter3/toy.cpp
+++ b/examples/Kaleidoscope/Chapter3/toy.cpp
@@ -84,10 +84,13 @@
/// ExprAST - Base class for all expression nodes.
class ExprAST {
public:
- virtual ~ExprAST() {}
+ virtual ~ExprAST();
virtual Value *Codegen() = 0;
};
+// Provide out-of-line definition to prevent weak vtable.
+ExprAST::~ExprAST() {}
+
/// NumberExprAST - Expression class for numeric literals like "1.0".
class NumberExprAST : public ExprAST {
double Val;