From f03c9bec63da8718b4531db2ba24658609302fe7 Mon Sep 17 00:00:00 2001
From: Devang Patel <dpatel@apple.com>
Date: Wed, 22 Jul 2009 18:23:44 +0000
Subject: Add replaceAllUsesWith() to FE replace debug info constructs while
 building complex types.

llvm-svn: 76765
---
 llvm/lib/Analysis/DebugInfo.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'llvm/lib/Analysis/DebugInfo.cpp')

diff --git a/llvm/lib/Analysis/DebugInfo.cpp b/llvm/lib/Analysis/DebugInfo.cpp
index 437ff03b327..aa012ef8bcb 100644
--- a/llvm/lib/Analysis/DebugInfo.cpp
+++ b/llvm/lib/Analysis/DebugInfo.cpp
@@ -206,6 +206,18 @@ unsigned DIArray::getNumElements() const {
   return C->getNumOperands();
 }
 
+/// replaceAllUsesWith - Replace all uses of debug info referenced by
+/// this descriptor. After this completes, the current debug info value
+/// is erased.
+void DIDerivedType::replaceAllUsesWith(DIDescriptor &D) {
+  if (isNull())
+    return;
+
+  assert (D.isNull() && "Can not replace with null");
+  getGV()->replaceAllUsesWith(D.getGV());
+  getGV()->eraseFromParent();
+}
+
 /// Verify - Verify that a compile unit is well formed.
 bool DICompileUnit::Verify() const {
   if (isNull()) 
-- 
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