From d07128c906c4b8b64ddc8cb7b14db67d77128b5d Mon Sep 17 00:00:00 2001
From: Devang Patel <dpatel@apple.com>
Date: Mon, 9 Mar 2009 21:32:28 +0000
Subject: [PATCH] Remove llvm.dbg.global_variables also.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66471 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Transforms/IPO/StripSymbols.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/lib/Transforms/IPO/StripSymbols.cpp b/lib/Transforms/IPO/StripSymbols.cpp
index 066487fe159..ee6fbd3cba1 100644
--- a/lib/Transforms/IPO/StripSymbols.cpp
+++ b/lib/Transforms/IPO/StripSymbols.cpp
@@ -392,6 +392,16 @@ bool StripDebugDeclare::runOnModule(Module &M) {
   }
   Declare->eraseFromParent();
 
+  // Delete all llvm.dbg.global_variables.
+  for (Module::global_iterator I = M.global_begin(), E = M.global_end(); 
+       I != E; ++I) {
+    GlobalVariable *GV = dyn_cast<GlobalVariable>(I);
+    if (!GV) continue;
+    if (GV->use_empty() && GV->hasName() 
+        && strncmp(GV->getNameStart(), "llvm.dbg.global_variable", 24) == 0)
+      DeadConstants.push_back(GV);
+  }
+
   while (!DeadConstants.empty()) {
     Constant *C = DeadConstants.back();
     DeadConstants.pop_back();