private bool _HasConflictingArrayAccesses(TLoopStatementSyntax loopStatement, string loopIndex, Code code, VariableAccesses variableAccesses)
{
var optimized = OptimizationRunner.Optimize(code);
code = optimized.Code;
variableAccesses = optimized.Changed ? VariableAccesses.Collect(code) : variableAccesses;
var cfg = ControlFlowGraphFactory.Create(code, true);
var callGraph = CallGraphFactory.Create(cfg, _methods);
var calledMethods = callGraph.Methods.Select(methodName => _methods[methodName]).ToImmutableList();
var aliasAnalysis = AliasAnalysis.Analyze(cfg, callGraph, _methods.Values, _GetAliasesAtLoopEntry(loopStatement, variableAccesses));
return(ArrayAccessVerifier.HasConflictingAccesses(loopIndex, cfg, aliasAnalysis, callGraph, calledMethods));
}
private static (string Name, ControlFlowGraph Cfg) _GetCodeOfMethod(MethodDeclarationSyntax method, SemanticModel semanticModel)
{
var methodName = method.Identifier.Text;
try {
var code = ThreeAddressCodeFactory.Create(CodeFactory.CreateMethod(method, semanticModel));
var optimized = OptimizationRunner.Optimize(code);
Debug.WriteLine($"got optimized code for {methodName}");
return(methodName, ControlFlowGraphFactory.Create(optimized.Code, methodName, true));
} catch (UnsupportedSyntaxException e) {
Debug.WriteLine($"method '{methodName}' cannot be utilized in interprocedural anaylsis: {e.Message}");
}
return(null, null);
}