From: Devang Patel <dpatel@apple.com>
Date: Wed, 23 Sep 2009 20:33:51 +0000 (+0000)
Subject: Delete attached metadata when an instruction is deleted.
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=ffa363c94b7180635efd3c5391da0e034eb138f3;p=oota-llvm.git

Delete attached metadata when an instruction is deleted.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82647 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/VMCore/Instruction.cpp b/lib/VMCore/Instruction.cpp
index 35fb47a5ffb..5cb1040e4bc 100644
--- a/lib/VMCore/Instruction.cpp
+++ b/lib/VMCore/Instruction.cpp
@@ -11,6 +11,7 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "LLVMContextImpl.h"
 #include "llvm/Type.h"
 #include "llvm/Instructions.h"
 #include "llvm/Function.h"
@@ -49,6 +50,10 @@ Instruction::Instruction(const Type *ty, unsigned it, Use *Ops, unsigned NumOps,
 
 // Out of line virtual method, so the vtable, etc has a home.
 Instruction::~Instruction() {
+  if (hasMetadata()) {
+    LLVMContext &Context = getContext();
+    Context.pImpl->TheMetadata.ValueIsDeleted(this);
+  }
   assert(Parent == 0 && "Instruction still linked in the program!");
 }