Initial KLEE checkin.

 - Lots more tweaks, documentation, and web page content is needed,
   but this should compile & work on OS X & Linux.


git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@72205 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 27 insertions, 0 deletions

diff --git a/lib/Support/Timer.cpp b/lib/Support/Timer.cpp
new file mode 100644
index 00000000..cddb0707
--- /dev/null
+++ b/lib/Support/Timer.cpp
@@ -0,0 +1,27 @@
+//===-- Timer.cpp ---------------------------------------------------------===//
+//
+//                     The KLEE Symbolic Virtual Machine
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "klee/Internal/Support/Timer.h"
+
+#include "llvm/System/Process.h"
+
+using namespace klee;
+using namespace llvm;
+
+WallTimer::WallTimer() {
+  sys::TimeValue now(0,0),user(0,0),sys(0,0);
+  sys::Process::GetTimeUsage(now,user,sys);
+  startMicroseconds = now.usec();
+}
+
+uint64_t WallTimer::check() {
+  sys::TimeValue now(0,0),user(0,0),sys(0,0);
+  sys::Process::GetTimeUsage(now,user,sys);
+  return now.usec() - startMicroseconds;
+}