118 lines
3.9 KiB
C++
118 lines
3.9 KiB
C++
//===-- MPIBugReporter.cpp - bug reporter -----------------------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
///
|
|
/// \file
|
|
/// This file defines prefabricated reports which are emitted in
|
|
/// case of MPI related bugs, detected by path-sensitive analysis.
|
|
///
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "MPIBugReporter.h"
|
|
#include "MPIChecker.h"
|
|
#include "clang/StaticAnalyzer/Core/PathSensitive/CallEvent.h"
|
|
|
|
namespace clang {
|
|
namespace ento {
|
|
namespace mpi {
|
|
|
|
void MPIBugReporter::reportDoubleNonblocking(
|
|
const CallEvent &MPICallEvent, const ento::mpi::Request &Req,
|
|
const MemRegion *const RequestRegion,
|
|
const ExplodedNode *const ExplNode,
|
|
BugReporter &BReporter) const {
|
|
|
|
std::string ErrorText;
|
|
ErrorText = "Double nonblocking on request " +
|
|
RequestRegion->getDescriptiveName() + ". ";
|
|
|
|
auto Report = llvm::make_unique<BugReport>(*DoubleNonblockingBugType,
|
|
ErrorText, ExplNode);
|
|
|
|
Report->addRange(MPICallEvent.getSourceRange());
|
|
SourceRange Range = RequestRegion->sourceRange();
|
|
|
|
if (Range.isValid())
|
|
Report->addRange(Range);
|
|
|
|
Report->addVisitor(llvm::make_unique<RequestNodeVisitor>(
|
|
RequestRegion, "Request is previously used by nonblocking call here. "));
|
|
Report->markInteresting(RequestRegion);
|
|
|
|
BReporter.emitReport(std::move(Report));
|
|
}
|
|
|
|
void MPIBugReporter::reportMissingWait(
|
|
const ento::mpi::Request &Req, const MemRegion *const RequestRegion,
|
|
const ExplodedNode *const ExplNode,
|
|
BugReporter &BReporter) const {
|
|
std::string ErrorText{"Request " + RequestRegion->getDescriptiveName() +
|
|
" has no matching wait. "};
|
|
|
|
auto Report =
|
|
llvm::make_unique<BugReport>(*MissingWaitBugType, ErrorText, ExplNode);
|
|
|
|
SourceRange Range = RequestRegion->sourceRange();
|
|
if (Range.isValid())
|
|
Report->addRange(Range);
|
|
Report->addVisitor(llvm::make_unique<RequestNodeVisitor>(
|
|
RequestRegion, "Request is previously used by nonblocking call here. "));
|
|
Report->markInteresting(RequestRegion);
|
|
|
|
BReporter.emitReport(std::move(Report));
|
|
}
|
|
|
|
void MPIBugReporter::reportUnmatchedWait(
|
|
const CallEvent &CE, const clang::ento::MemRegion *const RequestRegion,
|
|
const ExplodedNode *const ExplNode,
|
|
BugReporter &BReporter) const {
|
|
std::string ErrorText{"Request " + RequestRegion->getDescriptiveName() +
|
|
" has no matching nonblocking call. "};
|
|
|
|
auto Report =
|
|
llvm::make_unique<BugReport>(*UnmatchedWaitBugType, ErrorText, ExplNode);
|
|
|
|
Report->addRange(CE.getSourceRange());
|
|
SourceRange Range = RequestRegion->sourceRange();
|
|
if (Range.isValid())
|
|
Report->addRange(Range);
|
|
|
|
BReporter.emitReport(std::move(Report));
|
|
}
|
|
|
|
std::shared_ptr<PathDiagnosticPiece>
|
|
MPIBugReporter::RequestNodeVisitor::VisitNode(const ExplodedNode *N,
|
|
const ExplodedNode *PrevN,
|
|
BugReporterContext &BRC,
|
|
BugReport &BR) {
|
|
|
|
if (IsNodeFound)
|
|
return nullptr;
|
|
|
|
const Request *const Req = N->getState()->get<RequestMap>(RequestRegion);
|
|
const Request *const PrevReq =
|
|
PrevN->getState()->get<RequestMap>(RequestRegion);
|
|
|
|
// Check if request was previously unused or in a different state.
|
|
if ((Req && !PrevReq) || (Req->CurrentState != PrevReq->CurrentState)) {
|
|
IsNodeFound = true;
|
|
|
|
ProgramPoint P = PrevN->getLocation();
|
|
PathDiagnosticLocation L =
|
|
PathDiagnosticLocation::create(P, BRC.getSourceManager());
|
|
|
|
return std::make_shared<PathDiagnosticEventPiece>(L, ErrorText);
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
} // end of namespace: mpi
|
|
} // end of namespace: ento
|
|
} // end of namespace: clang
|