1 files changed, 56 insertions, 0 deletions
diff --git a/src/ARMeilleure/Diagnostics/Logger.cs b/src/ARMeilleure/Diagnostics/Logger.cs
new file mode 100644
index 00000000..07a60667
--- /dev/null
+++ b/src/ARMeilleure/Diagnostics/Logger.cs
@@ -0,0 +1,56 @@
+using ARMeilleure.Translation;
+using System;
+using System.Diagnostics;
+
+namespace ARMeilleure.Diagnostics
+{
+    static class Logger
+    {
+        private static long _startTime;
+
+        private static long[] _accumulatedTime;
+
+        static Logger()
+        {
+            _accumulatedTime = new long[(int)PassName.Count];
+        }
+
+        [Conditional("M_DEBUG")]
+        public static void StartPass(PassName name)
+        {
+            WriteOutput(name + " pass started...");
+
+            _startTime = Stopwatch.GetTimestamp();
+        }
+
+        [Conditional("M_DEBUG")]
+        public static void EndPass(PassName name, ControlFlowGraph cfg)
+        {
+            EndPass(name);
+
+            WriteOutput("IR after " + name + " pass:");
+
+            WriteOutput(IRDumper.GetDump(cfg));
+        }
+
+        [Conditional("M_DEBUG")]
+        public static void EndPass(PassName name)
+        {
+            long elapsedTime = Stopwatch.GetTimestamp() - _startTime;
+
+            _accumulatedTime[(int)name] += elapsedTime;
+
+            WriteOutput($"{name} pass ended after {GetMilliseconds(_accumulatedTime[(int)name])} ms...");
+        }
+
+        private static long GetMilliseconds(long ticks)
+        {
+            return (long)(((double)ticks / Stopwatch.Frequency) * 1000);
+        }
+
+        private static void WriteOutput(string text)
+        {
+            Console.WriteLine(text);
+        }
+    }
+}
+\ No newline at end of file