[NFC][PassTiming] factor out generic PassTimingInfo
Moving PassTimingInfo from legacy pass manager code into a separate header.
Making it suitable for both legacy and new pass manager.
Adding a test on -time-passes main functionality.
llvm-svn: 340872
diff --git a/llvm/lib/Analysis/LoopPass.cpp b/llvm/lib/Analysis/LoopPass.cpp
index 07a151c..f4f00f0 100644
--- a/llvm/lib/Analysis/LoopPass.cpp
+++ b/llvm/lib/Analysis/LoopPass.cpp
@@ -20,6 +20,7 @@
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/OptBisect.h"
#include "llvm/IR/PassManager.h"
+#include "llvm/IR/PassTimingInfo.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/Timer.h"
#include "llvm/Support/raw_ostream.h"