From acbee0b0d9a24d823a7af207762a7aa9ac7bbfd2 Mon Sep 17 00:00:00 2001
From: Devang Patel <dpatel@apple.com>
Date: Fri, 7 Jan 2011 22:33:41 +0000
Subject: Speculatively revert r123032.

llvm-svn: 123039
---
 llvm/lib/CodeGen/LiveDebugVariables.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'llvm/lib/CodeGen/LiveDebugVariables.cpp')

diff --git a/llvm/lib/CodeGen/LiveDebugVariables.cpp b/llvm/lib/CodeGen/LiveDebugVariables.cpp
index 2b6a54eab5a..baedfc3efb5 100644
--- a/llvm/lib/CodeGen/LiveDebugVariables.cpp
+++ b/llvm/lib/CodeGen/LiveDebugVariables.cpp
@@ -39,6 +39,10 @@
 
 using namespace llvm;
 
+static cl::opt<bool>
+EnableLDV("live-debug-variables",
+          cl::desc("Enable the live debug variables pass"), cl::Hidden);
+
 char LiveDebugVariables::ID = 0;
 
 INITIALIZE_PASS_BEGIN(LiveDebugVariables, "livedebugvars",
@@ -618,6 +622,8 @@ bool LDVImpl::runOnMachineFunction(MachineFunction &mf) {
 }
 
 bool LiveDebugVariables::runOnMachineFunction(MachineFunction &mf) {
+  if (!EnableLDV)
+    return false;
   if (!pImpl)
     pImpl = new LDVImpl(this);
   return static_cast<LDVImpl*>(pImpl)->runOnMachineFunction(mf);
-- 
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