Title: Compiler Improvement of Register Usage Author: Engineering Last modified by: Ken Kennedy Created Date: 3/14/2001 2:41:47 AM Document presentation format
Global variables and local variables which 'may be modified by ... Emulates inline. Exponential in C. Constant Example. begin proc p(val a) is1. if [b]2 then ...
Almost as simple as random testing but better soundness guarantees. ... Muller-Olm, Seidl. Cons: O(k2) times slower. Pro: works for non-linear relationships too ...
The call graph captures some information on the flow of control and data through the program. ... Enables us to avoid reloading procedures during this process ...
Interprocedural shape analysis algorithm for programs manipulating linked lists ... Might not be good for all programs. Further Work. Scaling the algorithm ...
Seton Hall University. 2. CC 2006, Scott Kagan, PRESTO Research Group ... e.g. dependence analysis for program slicing, change impact analysis, refactoring, etc. ...
Thomas Reps1, Stefan Schwoon2, and Somesh Jha1. 1 University of Wisconsin ... Intraprocedural Analysis. enter. n. V0. MOP(n) = pfp(V0) p PathsTo[n] pfp = fk fk-1 ...
append. Memory states. Represented by first-order logical structures. Variable x points to v ... { append(y,z); Large step semantics. Procedure ~ input/output ...
Solve the constraints to find the transformation matrix (Mx) for each array (x) ... major upon entering P. Restore array X into row major. when P returns ...
... these replacements can reduce the number of loads and stores needed ... about 30% of points-to relationships used have heap locations as their target. ...
(Powerset of) fixed set of program entities and entities from ... Interprocedural Analysis. Dynamically created procedure incarnations. Domain P(Lab* (Var ...
The DIRECT Project. Delaware Interprocedural REgion-based Compiler Toolset. Department of Computer & Information Sciences. University of Delaware, Newark, Delaware ...
Data Flow Analysis for Software Prefetching Linked Data Structures in Java Brendon Cahoon Dept. of Computer Science University of Massachusetts Amherst, MA
Title: Program Analysis via Graph Reachability Author: Thomas Reps Last modified by: reps Created Date: 3/24/1998 3:26:02 AM Document presentation format
Title: A Fixpoint Calculus for Local and Global Program Flows Author: Swarat Chaudhuri Last modified by: Swarat Chaudhuri Created Date: 12/22/2005 5:52:35 PM
Program Analysis via Graph Reachability. Thomas Reps. University of Wisconsin ... Left out by algorithm of Horwitz, Reps, & Binkley [PLDI 88; TOPLAS 90] Each ...
Source: International Symposium on Software Testing and Analysis Proceedings of ... IntraProcedural Regression Testing. Find set of affected definition-use pairs in G' ...
Few predicates tracked. e.g. type of variables. Imprecision hinders Verification ... Track lock, pi s. State Explosion 2n distinct states. intractable. verification ...
Analysis Extensions for Common Idioms. Track objects in fields or arrays ... Greedy Prefetching Example. Doubly linked list. Greedy prefetching. int sum (Dlist l) ...
Saturn delays abstraction to function boundaries. Slogan: Analysis design is summary design! ... Saturn Overview. Scalability. Interpreter is not very ...
Source :Information and Software Technology, P. ... Intra/Inter-procedural?sessional data flow model ... JSP pages usually mix up scripts with HTML statements ...
Static and Dynamic Execute After Relationships as a replacement of dependence-based program slices rp d Besz des University of Szeged, Hungary, Department of ...
A program slice consists of the parts of a program that potentially affect the ... Dynamic slice is constructed with respect to only one execution of the program ...
Seth Hallem, Benjamin Chelf, Yichen Xie, and Dawson Engler (presented by ... Deletes state attached to redefined expressions. 14. Intraprocedural Heuristics ...
Look for malicious or anomalous behavior. Much more fine ... IDES. High false alarm rate. 9/4/09. J. Giffin and S. Jha. 21. Specification-Based Monitoring ...
Aggressive Program Analysis Framework for Static Error Checking in Open64 Hongtao Yu Wei Huo ZhaoQing Zhang XiaoBing Feng Key Laboratory of Computer System and ...
ESP is a program analysis that keeps track of object state at each program point ... PSE: post-mortem analysis. run ESP backwards to figure out what cause a crash ...
Fundamentos de An lise Est tica * * * * * * * * Framework Em geral, 4 fun es descrevem uma an lise intra-procedural: in, out, kill e gen Ilustra o in out gen ...