public override ICodeNode VisitMethodInvocationExpression(MethodInvocationExpression node) { node.MethodExpression = (MethodReferenceExpression)Visit(node.MethodExpression); if (status != InliningResult.NotFound) { return node; } MethodReference methodRef = node.MethodExpression.Method; for (int i = 0; i < node.Arguments.Count; i++) { if (!methodRef.Parameters[i].ParameterType.IsByReference) { node.Arguments[i] = (Expression)Visit(node.Arguments[i]); if (status != InliningResult.NotFound) { return node; } } else if (valueHasSideEffects) { SideEffectsFinder sideEffectsFinder = new SideEffectsFinder(); if (sideEffectsFinder.HasSideEffectsRecursive(node.Arguments[i])) { status = InliningResult.Abort; return node; } } } return node; }
public override ICodeNode VisitMethodInvocationExpression(MethodInvocationExpression node) { node.MethodExpression = (MethodReferenceExpression)Visit(node.MethodExpression); if (status != InliningResult.NotFound) { return(node); } MethodReference methodRef = node.MethodExpression.Method; for (int i = 0; i < node.Arguments.Count; i++) { if (!methodRef.Parameters[i].ParameterType.IsByReference) { node.Arguments[i] = (Expression)Visit(node.Arguments[i]); if (status != InliningResult.NotFound) { return(node); } } else if (valueHasSideEffects) { SideEffectsFinder sideEffectsFinder = new SideEffectsFinder(); if (sideEffectsFinder.HasSideEffectsRecursive(node.Arguments[i])) { status = InliningResult.Abort; return(node); } } } return(node); }
public override void Visit(ICodeNode node) { this.hasSideEffects = SideEffectsFinder.HasSideEffects(node); if (!this.hasSideEffects) { this.Visit(node); } return; }
public override ICodeNode Visit(ICodeNode node) { if (status == InliningResult.NotFound) { node = base.Visit(node); if (valueHasSideEffects && status == InliningResult.NotFound && SideEffectsFinder.HasSideEffects(node)) { Abort(); } } return(node); }
public bool TryInlineVariable(VariableDefinition variableDef, Expression value, ICodeNode target, bool aggressive, out ICodeNode result) { this.variableDef = variableDef; this.value = value; if (!aggressive) { ASTNodeCounter counter = new ASTNodeCounter(); if (counter.CountNodes(value) + counter.CountNodes(target) - 1 > MaxCount) { result = target; return false; } } SideEffectsFinder sideEffectsFinder = new SideEffectsFinder(); valueHasSideEffects = sideEffectsFinder.HasSideEffectsRecursive(value); status = InliningResult.NotFound; result = Visit(target); return status == InliningResult.Success; }
public bool TryInlineVariable(VariableDefinition variableDef, Expression value, ICodeNode target, bool aggressive, out ICodeNode result) { this.variableDef = variableDef; this.value = value; if (!aggressive) { ASTNodeCounter counter = new ASTNodeCounter(); if (counter.CountNodes(value) + counter.CountNodes(target) - 1 > MaxCount) { result = target; return(false); } } SideEffectsFinder sideEffectsFinder = new SideEffectsFinder(); valueHasSideEffects = sideEffectsFinder.HasSideEffectsRecursive(value); status = InliningResult.NotFound; result = Visit(target); return(status == InliningResult.Success); }
private void InlineAssignmentInSameBlock() { foreach (KeyValuePair <int, IList <Expression> > offsetToExpressionsPair in methodContext.Expressions.BlockExpressions) { IList <Expression> blockExpressions = offsetToExpressionsPair.Value; for (int i = 0; i < blockExpressions.Count - 1; i++) { BinaryExpression binaryExpression = blockExpressions[i] as BinaryExpression; if (binaryExpression == null || !binaryExpression.IsAssignmentExpression || binaryExpression.Left.CodeNodeType != CodeNodeType.VariableReferenceExpression) { continue; } VariableDefinition varDef = (binaryExpression.Left as VariableReferenceExpression).Variable.Resolve(); if (!variablesToInline.Contains(varDef)) { continue; } Expression value = binaryExpression.Right; SideEffectsFinder sideEffectsFinder = new SideEffectsFinder(); bool valueHasSideEffects = sideEffectsFinder.HasSideEffectsRecursive(value); VariablesAndArgumentsFinder variableFinder = new VariablesAndArgumentsFinder(); variableFinder.Visit(value); VariableReferenceFinder referenceFinder = new VariableReferenceFinder(variableFinder.Variables, variableFinder.Parameters); for (int j = i + 1; j < blockExpressions.Count; j++) { ICodeNode result; if (inliner.TryInlineVariable(varDef, value, blockExpressions[j], true, out result)) { FixContextAfterInlining(varDef); variablesToInline.Remove(varDef); blockExpressions[j] = (Expression)result; blockExpressions.RemoveAt(i); i -= i > 0 ? 2 : 1; break; } else if (valueHasSideEffects && sideEffectsFinder.HasSideEffectsRecursive(blockExpressions[j])) { break; } else if (referenceFinder.ContainsReference(blockExpressions[j])) { break; } else if (blockExpressions[j].CodeNodeType == CodeNodeType.BinaryExpression && (blockExpressions[j] as BinaryExpression).IsAssignmentExpression) { Expression assigned = (blockExpressions[j] as BinaryExpression).Left; if (assigned.CodeNodeType == CodeNodeType.ArgumentReferenceExpression && variableFinder.Parameters.Contains((assigned as ArgumentReferenceExpression).Parameter.Resolve()) || assigned.CodeNodeType == CodeNodeType.VariableReferenceExpression && variableFinder.Variables.Contains((assigned as VariableReferenceExpression).Variable.Resolve())) { break; } } } } } }
public override ICodeNode Visit(ICodeNode node) { if (this.status == SimpleVariableInliner.InliningResult.NotFound) { node = this.Visit(node); if (this.valueHasSideEffects && this.status == SimpleVariableInliner.InliningResult.NotFound && SideEffectsFinder.HasSideEffects(node)) { this.Abort(); } } return(node); }
private void InlineAssignmentInSameBlock() { V_0 = this.methodContext.get_Expressions().get_BlockExpressions().GetEnumerator(); try { while (V_0.MoveNext()) { V_1 = V_0.get_Current(); V_2 = V_1.get_Value(); V_3 = 0; while (V_3 < V_2.get_Count() - 1) { V_4 = V_2.get_Item(V_3) as BinaryExpression; if (V_4 != null && V_4.get_IsAssignmentExpression() && V_4.get_Left().get_CodeNodeType() == 26) { V_5 = (V_4.get_Left() as VariableReferenceExpression).get_Variable().Resolve(); if (this.variablesToInline.Contains(V_5)) { V_6 = V_4.get_Right(); V_7 = new SideEffectsFinder(); V_8 = V_7.HasSideEffectsRecursive(V_6); V_9 = new StackVariablesInliner.VariablesArgumentsAndFieldsFinder(); V_9.Visit(V_6); V_10 = new StackVariablesInliner.VariableReferenceFinder(V_9.get_Variables(), V_9.get_Parameters()); V_11 = V_3 + 1; while (V_11 < V_2.get_Count()) { if (!this.inliner.TryInlineVariable(V_5, V_6, V_2.get_Item(V_11), true, out V_12)) { if (V_8 && V_7.HasSideEffectsRecursive(V_2.get_Item(V_11)) || V_10.ContainsReference(V_2.get_Item(V_11))) { break; } if (V_2.get_Item(V_11).get_CodeNodeType() == 24 && (V_2.get_Item(V_11) as BinaryExpression).get_IsAssignmentExpression()) { V_13 = (V_2.get_Item(V_11) as BinaryExpression).get_Left(); if (V_13.get_CodeNodeType() == 25 && V_9.get_Parameters().Contains((V_13 as ArgumentReferenceExpression).get_Parameter().Resolve()) || V_13.get_CodeNodeType() == 26 && V_9.get_Variables().Contains((V_13 as VariableReferenceExpression).get_Variable().Resolve()) || V_13.get_CodeNodeType() == 30 && V_9.get_Fields().Contains((V_13 as FieldReferenceExpression).get_Field().Resolve())) { break; } } V_11 = V_11 + 1; } else { this.FixContextAfterInlining(V_5); dummyVar0 = this.variablesToInline.Remove(V_5); V_2.set_Item(V_11, (Expression)V_12); V_2.RemoveAt(V_3); stackVariable141 = V_3; if (V_3 > 0) { stackVariable144 = 2; } else { stackVariable144 = 1; } V_3 = stackVariable141 - stackVariable144; break; } } } } V_3 = V_3 + 1; } } } finally { ((IDisposable)V_0).Dispose(); } return; }