diff options
Diffstat (limited to 'lib/CodeGen/LiveDebugVariables.cpp')
-rw-r--r-- | lib/CodeGen/LiveDebugVariables.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/CodeGen/LiveDebugVariables.cpp b/lib/CodeGen/LiveDebugVariables.cpp index 2b6a54eab5..baedfc3efb 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 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); |