Devirtualizing Value destructor (PR889). Patch by Pawel Kunio!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44747 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 5 insertions, 4 deletions

diff --git a/include/llvm/GlobalValue.h b/include/llvm/GlobalValue.h
index fe43ed4f69..40e3a5ace5 100644
--- a/include/llvm/GlobalValue.h
+++ b/include/llvm/GlobalValue.h
@@ -63,11 +63,12 @@ protected:
   unsigned Visibility : 2;    // The visibility style of this global
   unsigned Alignment : 16;    // Alignment of this symbol, must be power of two
   std::string Section;        // Section to emit this into, empty mean default
-public:
-  ~GlobalValue() {
-    removeDeadConstantUsers();   // remove any dead constants using this.
-  }
 
+  static void destroyThis(GlobalValue*v) {
+    v->removeDeadConstantUsers();   // remove any dead constants using this.
+    Constant::destroyThis(v);
+  }
+public:
   unsigned getAlignment() const { return Alignment; }
   void setAlignment(unsigned Align) {
     assert((Align & (Align-1)) == 0 && "Alignment is not a power of 2!");