Implement the NamedRegionTimer class
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8889 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/Timer.cpp b/lib/Support/Timer.cpp
index 9800128..2542a6a 100644
--- a/lib/Support/Timer.cpp
+++ b/lib/Support/Timer.cpp
@@ -16,6 +16,7 @@
#include <algorithm>
#include <functional>
#include <fstream>
+#include <map>
// getLibSupportInfoOutputFilename - This ugly hack is brought to you courtesy
// of constructor/destructor ordering being unspecified by C++. Basically the
@@ -178,6 +179,23 @@
(*I)->PeakMem = std::max((*I)->PeakMem, MemUsed-(*I)->PeakMemBase);
}
+//===----------------------------------------------------------------------===//
+// NamedRegionTimer Implementation
+//===----------------------------------------------------------------------===//
+
+static Timer &getNamedRegionTimer(const std::string &Name) {
+ static std::map<std::string, Timer> NamedTimers;
+
+ std::map<std::string, Timer>::iterator I = NamedTimers.lower_bound(Name);
+ if (I != NamedTimers.end() && I->first == Name)
+ return I->second;
+
+ return NamedTimers.insert(I, std::make_pair(Name, Timer(Name)))->second;
+}
+
+NamedRegionTimer::NamedRegionTimer(const std::string &Name)
+ : TimeRegion(getNamedRegionTimer(Name)) {}
+
//===----------------------------------------------------------------------===//
// TimerGroup Implementation