Add some tests

ravi-tests/egor_test.lua

@@ -0,0 +1,19 @@
+local function f()
+   local tm = os.clock()
+   local o = 0
+   for j = 1, 1e4 do
+      local x = 0
+      for k = 1, 1e5 do
+         x = x ~ (j + k)
+      end
+      o = o | x
+   end
+   print("   Result = "..o)
+   print("   CPU time = "..(os.clock() - tm))
+end
+print"Benchmarking non-compiled function"
+f()
+print"Compiling the function"
+assert(ravi.compile(f))
+print"Benchmarking compiled function"
+f() 

ravi-tests/egor_test_typed.lua

@@ -0,0 +1,19 @@
+local function f()
+   local tm = os.clock()
+   local o: integer = 0
+   for j = 1, 10000 do
+      local x: integer = 0
+      for k = 1, 100000 do
+         x = x ~ (j + k)
+      end
+      o = o | x
+   end
+   print("   Result = "..o)
+   print("   CPU time = "..(os.clock() - tm))
+end
+print"Benchmarking non-compiled function"
+f()
+print"Compiling the function"
+assert(ravi.compile(f))
+print"Benchmarking compiled function"
+f()