[COFF][LTO][NPM] Use NPM for LTO with ENABLE_EXPERIMENTAL_NEW_PASS_MANAGER
Reviewed By: hans
Differential Revision: https://reviews.llvm.org/D92866
diff --git a/lld/COFF/Driver.cpp b/lld/COFF/Driver.cpp
index 35b253d..504c005 100644
--- a/lld/COFF/Driver.cpp
+++ b/lld/COFF/Driver.cpp
@@ -26,6 +26,7 @@
#include "llvm/ADT/Optional.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/BinaryFormat/Magic.h"
+#include "llvm/Config/llvm-config.h"
#include "llvm/LTO/LTO.h"
#include "llvm/Object/ArchiveWriter.h"
#include "llvm/Object/COFFImportFile.h"
@@ -1518,7 +1519,7 @@
unsigned icfLevel =
args.hasArg(OPT_profile) ? 0 : 1; // 0: off, 1: limited, 2: on
unsigned tailMerge = 1;
- bool ltoNewPM = false;
+ bool ltoNewPM = LLVM_ENABLE_NEW_PASS_MANAGER;
bool ltoDebugPM = false;
for (auto *arg : args.filtered(OPT_opt)) {
std::string str = StringRef(arg->getValue()).lower();