Speculatively revert r123032.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123039 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/LiveDebugVariables.cpp b/lib/CodeGen/LiveDebugVariables.cpp
index 2b6a54e..baedfc3 100644
--- a/lib/CodeGen/LiveDebugVariables.cpp
+++ b/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 LiveDebugVariables::runOnMachineFunction(MachineFunction &mf) {
+ if (!EnableLDV)
+ return false;
if (!pImpl)
pImpl = new LDVImpl(this);
return static_cast<LDVImpl*>(pImpl)->runOnMachineFunction(mf);