public static void Main() { //TaCodeTest(); //ASTTest(); //Test Moving declarations //var Test = new DeclarationTest(); //Test.DeclarationOptimizationTest(); //Test subexpression tree //var sTest = new SubexprTest(); //sTest.SubexpressionOptimizationTest(); //APC //CFGReducibility_DominatorTree_PrettyPrinter_Demonstration(); string fileName = @"..\..\sample.txt"; astRoot = AST(fileName); if (astRoot == null) { return; } var tacodeVisitor = new TACodeVisitor(); astRoot.Visit(tacodeVisitor); tacodeInstance = tacodeVisitor.Code; var allOpt = new AllOptimizations(); tacodeInstance = allOpt.ApplyAllOptimizations(tacodeInstance); TAcode2ILcodeTranslator trans = new TAcode2ILcodeTranslator(); Console.WriteLine(tacodeInstance.ToString()); trans.Translate(tacodeInstance); var temp = trans.PrintCommands(); trans.RunProgram(); }
public void Test1() { var taCodeAllOptimizations = new TACode(); var assgn1 = new Assign() { Left = null, Operation = OpCode.Copy, Right = new Var(), Result = new Var() }; var assgn2 = new Assign() { Left = assgn1.Right, Operation = OpCode.Minus, Right = assgn1.Result, Result = new Var() }; var assgn3 = new Assign() { Left = null, Operation = OpCode.Copy, Right = new IntConst(20), Result = new Var() }; var assgn4 = new Assign() { Left = new IntConst(20), Operation = OpCode.Mul, Right = new IntConst(3), Result = new Var() }; var assgn5 = new Assign() { Left = new IntConst(10), Operation = OpCode.Plus, Right = assgn3.Result, Result = new Var() }; taCodeAllOptimizations.AddNode(assgn1); taCodeAllOptimizations.AddNode(assgn2); taCodeAllOptimizations.AddNode(assgn3); taCodeAllOptimizations.AddNode(assgn4); taCodeAllOptimizations.AddNode(assgn5); /* * a = b * c = b - a -----> c = 0 * n = 20 * c = 20 * 3 -----> c = 60 * d = 10 + n -----> d = 30 */ var allOptimizations = new AllOptimizations(); allOptimizations.ApplyAllOptimizations(taCodeAllOptimizations); Assert.AreEqual(assgn2.Right, 0); Assert.AreEqual(assgn4.Right, 60); Assert.AreEqual(assgn5.Right, 30); Assert.True(true); }
private static void TaCodeTest() { var taCode = new TACode(); var ass1 = new Assign { Left = new IntConst(3), //Left = new IntConst(5), Operation = OpCode.Minus, Right = new IntConst(5), Result = new Var() }; var ass2 = new Assign { Left = new IntConst(10), Operation = OpCode.Plus, Right = new IntConst(2), Result = new Var() }; var ass3 = new Assign { Operation = OpCode.Minus, Right = new IntConst(1), Result = new Var() }; var ifgt1 = new IfGoto { Condition = new IntConst(1), TargetLabel = ass3.Label }; ass3.IsLabeled = true; //На этот оперетор мы переходим по условию var ass4 = new Assign { Left = ass3.Result, Operation = OpCode.Plus, Right = new IntConst(1999), Result = new Var() }; var ifgt2 = new IfGoto { Condition = new IntConst(2), TargetLabel = ass2.Label }; ass2.IsLabeled = true; //На этот оперетор мы переходим по условию var ass5 = new Assign { Left = new IntConst(7), Operation = OpCode.Mul, Right = new IntConst(4), Result = new Var() }; var ass6 = new Assign { Left = new IntConst(100), Operation = OpCode.Div, Right = new IntConst(25), Result = new Var() }; taCode.AddNode(ass1); taCode.AddNode(ass2); taCode.AddNode(ass3); taCode.AddNode(ifgt1); taCode.AddNode(ass4); taCode.AddNode(ifgt2); taCode.AddNode(ass5); taCode.AddNode(ass6); var algOpt = new AlgebraicOptimization(); algOpt.Optimize(taCode.CodeList.ToList(), out var applied); Console.WriteLine($"TA Code\n: {taCode}"); var bBlocks = taCode.CreateBasicBlockList(); foreach (var bbl in bBlocks) { Console.WriteLine($"Block[{bbl.BlockId}]:"); var bblCodeStr = bbl.CodeList.Aggregate("", (s, node) => s + node.ToString() + Environment.NewLine); Console.WriteLine($"{bblCodeStr}\n"); } Console.WriteLine($"Algebraic Optimization was{(applied ? "" : "n't")} applied"); Console.WriteLine("========================CFG test========================"); var cfg = new ControlFlowGraph(taCode); foreach (var cfgn in cfg.CFGNodes) { Console.WriteLine($"Block[{cfgn.BlockId}]"); var bblCodeStr = cfgn.CodeList.Aggregate("", (s, node) => s + node.ToString() + Environment.NewLine); Console.WriteLine($"{bblCodeStr}\n"); Console.WriteLine("Children:\n"); foreach (var ch in cfgn.Children) { Console.WriteLine($"Block[{ch.BlockId}]"); var bblCodeCh = ch.CodeList.Aggregate("", (s, node) => s + node.ToString() + Environment.NewLine); Console.WriteLine($"{bblCodeCh}\n"); } Console.WriteLine("Parents:\n"); foreach (var ch in cfgn.Parents) { Console.WriteLine($"Block[{ch.BlockId}]"); var bblCodeCh = ch.CodeList.Aggregate("", (s, node) => s + node.ToString() + Environment.NewLine); Console.WriteLine($"{bblCodeCh}\n"); } Console.WriteLine("-----------------------------------------"); } //Copy Propagation Test var taCodeCopyProp = new TACode(); var assgn1 = new Assign() { Left = null, Operation = OpCode.Copy, Right = new Var(), Result = new Var() }; var assgn2 = new Assign() { Left = assgn1.Right, Operation = OpCode.Minus, Right = assgn1.Result, Result = new Var() }; var assgn3 = new Assign() { Left = assgn2.Result, Operation = OpCode.Plus, Right = new IntConst(1), Result = new Var() }; var assgn4 = new Assign() { Left = assgn3.Result, Operation = OpCode.Mul, Right = assgn1.Result, Result = new Var() }; var assgn5 = new Assign() { Left = new IntConst(30), Operation = OpCode.Minus, Right = new IntConst(20), Result = assgn1.Result }; var assgn6 = new Assign() { Left = assgn2.Result, Operation = OpCode.Plus, Right = assgn5.Result, Result = new Var() }; taCodeCopyProp.AddNode(assgn1); taCodeCopyProp.AddNode(assgn2); taCodeCopyProp.AddNode(assgn3); taCodeCopyProp.AddNode(assgn4); taCodeCopyProp.AddNode(assgn5); taCodeCopyProp.AddNode(assgn6); /* * a = b * c = b - a -----> c = b - b * d = c + 1 * e = d * a -----> e = d * b * a = 30 - 20 * k = c + a -----> k = c + a */ Console.WriteLine($"Testing Copy Propagation Optimisation.\n Three Adress Code:\n {taCodeCopyProp}"); var optCopyProp = new CopyPropagation(); optCopyProp.Optimize(taCodeCopyProp.CodeList.ToList(), out var applCopProp); Console.WriteLine($"Optimisation Copy Propagation was{(applCopProp ? "" : "n't")} applied"); Console.WriteLine($"Three Adress Code Code\n: {taCodeCopyProp}"); Console.WriteLine("-----------------------------------------"); //Constant Folding Test var taCodeConstantFolding = new TACode(); var assign1 = new Assign() { Left = null, Operation = OpCode.Copy, Right = new Var(), Result = new Var() }; var assign2 = new Assign() { Left = new IntConst(20), Operation = OpCode.Mul, Right = new IntConst(3), Result = new Var() }; var assign3 = new Assign() { Left = new IntConst(10), Operation = OpCode.Plus, Right = new IntConst(1), Result = new Var() }; var assign4 = new Assign() { Left = new IntConst(100), Operation = OpCode.Div, Right = new IntConst(50), Result = new Var() }; var assign5 = new Assign() { Left = new IntConst(30), Operation = OpCode.Minus, Right = new IntConst(20), Result = assign1.Result }; var assign6 = new Assign() { Left = assign2.Result, Operation = OpCode.Plus, Right = assign5.Result, Result = new Var() }; taCodeConstantFolding.AddNode(assign1); taCodeConstantFolding.AddNode(assign2); taCodeConstantFolding.AddNode(assign3); taCodeConstantFolding.AddNode(assign4); taCodeConstantFolding.AddNode(assign5); taCodeConstantFolding.AddNode(assign6); /* * a = b * c = 20 * 3 -----> c = 60 * d = 10 + 1 -----> d = 11 * e = 100 / 50 -----> e = 2 * a = 30 - 20 -----> a = 10 * k = c + a */ Console.WriteLine($"Testing Constant Folding Optimisation.\n Three Adress Code:\n {taCodeConstantFolding}"); var optConstFold = new ConstantFolding(); optConstFold.Optimize(taCodeConstantFolding.CodeList.ToList(), out var applConstFold); Console.WriteLine($"Optimisation Constant Folding was{(applConstFold ? "" : "n't")} applied"); Console.WriteLine($"Three Adress Code Code\n: {taCodeConstantFolding}"); Console.WriteLine("-----------------------------------------"); //All Optimizations Together Test var taCodeAllOptimizations = new TACode(); var a1 = new Assign() { Left = null, Operation = OpCode.Copy, Right = new Var(), Result = new Var() }; var a2 = new Assign() { Left = a1.Right, Operation = OpCode.Minus, Right = a1.Result, Result = new Var() }; var a3 = new Assign() { Left = null, Operation = OpCode.Copy, Right = new IntConst(20), Result = new Var() }; var a4 = new Assign() { Left = new IntConst(20), Operation = OpCode.Mul, Right = new IntConst(3), Result = new Var() }; var a5 = new Assign() { Left = new IntConst(10), Operation = OpCode.Plus, Right = a3.Result, Result = new Var() }; taCodeAllOptimizations.AddNode(a1); taCodeAllOptimizations.AddNode(a2); taCodeAllOptimizations.AddNode(a3); taCodeAllOptimizations.AddNode(a4); taCodeAllOptimizations.AddNode(a5); /* * a = b * c = b - a -----> c = 0 * n = 20 * c = 20 * 3 -----> c = 60 * d = 10 + n -----> d = 30 */ Console.WriteLine($"Testing All Optimizations Together.\n Three Adress Code:\n {taCodeAllOptimizations}"); var allOptimizations = new AllOptimizations(); allOptimizations.ApplyAllOptimizations(taCodeAllOptimizations); Console.WriteLine($"Three Adress Code Code\n: {taCodeAllOptimizations}"); Console.WriteLine("-----------------------------------------"); }