1 files changed, 0 insertions, 105 deletions
diff --git a/contrib/llvm/tools/clang/lib/StaticAnalyzer/Checkers/UndefCapturedBlockVarChecker.cpp b/contrib/llvm/tools/clang/lib/StaticAnalyzer/Checkers/UndefCapturedBlockVarChecker.cpp
deleted file mode 100644
index c787ef58660a..000000000000
--- a/contrib/llvm/tools/clang/lib/StaticAnalyzer/Checkers/UndefCapturedBlockVarChecker.cpp
+++ /dev/null
@@ -1,105 +0,0 @@
-// UndefCapturedBlockVarChecker.cpp - Uninitialized captured vars -*- C++ -*-=//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-//
-// This checker detects blocks that capture uninitialized values.
-//
-//===----------------------------------------------------------------------===//
-
-#include "clang/StaticAnalyzer/Checkers/BuiltinCheckerRegistration.h"
-#include "clang/AST/Attr.h"
-#include "clang/StaticAnalyzer/Core/BugReporter/BugType.h"
-#include "clang/StaticAnalyzer/Core/Checker.h"
-#include "clang/StaticAnalyzer/Core/CheckerManager.h"
-#include "clang/StaticAnalyzer/Core/PathSensitive/CheckerContext.h"
-#include "clang/StaticAnalyzer/Core/PathSensitive/ExprEngine.h"
-#include "llvm/ADT/SmallString.h"
-#include "llvm/Support/raw_ostream.h"
-
-using namespace clang;
-using namespace ento;
-
-namespace {
-class UndefCapturedBlockVarChecker
-  : public Checker< check::PostStmt<BlockExpr> > {
-  mutable std::unique_ptr<BugType> BT;
-
-public:
-  void checkPostStmt(const BlockExpr *BE, CheckerContext &C) const;
-};
-} // end anonymous namespace
-
-static const DeclRefExpr *FindBlockDeclRefExpr(const Stmt *S,
-                                               const VarDecl *VD) {
-  if (const DeclRefExpr *BR = dyn_cast<DeclRefExpr>(S))
-    if (BR->getDecl() == VD)
-      return BR;
-
-  for (const Stmt *Child : S->children())
-    if (Child)
-      if (const DeclRefExpr *BR = FindBlockDeclRefExpr(Child, VD))
-        return BR;
-
-  return nullptr;
-}
-
-void
-UndefCapturedBlockVarChecker::checkPostStmt(const BlockExpr *BE,
-                                            CheckerContext &C) const {
-  if (!BE->getBlockDecl()->hasCaptures())
-    return;
-
-  ProgramStateRef state = C.getState();
-  auto *R = cast<BlockDataRegion>(C.getSVal(BE).getAsRegion());
-
-  BlockDataRegion::referenced_vars_iterator I = R->referenced_vars_begin(),
-                                            E = R->referenced_vars_end();
-
-  for (; I != E; ++I) {
-    // This VarRegion is the region associated with the block; we need
-    // the one associated with the encompassing context.
-    const VarRegion *VR = I.getCapturedRegion();
-    const VarDecl *VD = VR->getDecl();
-
-    if (VD->hasAttr<BlocksAttr>() || !VD->hasLocalStorage())
-      continue;
-
-    // Get the VarRegion associated with VD in the local stack frame.
-    if (Optional<UndefinedVal> V =
-          state->getSVal(I.getOriginalRegion()).getAs<UndefinedVal>()) {
-      if (ExplodedNode *N = C.generateErrorNode()) {
-        if (!BT)
-          BT.reset(
-              new BuiltinBug(this, "uninitialized variable captured by block"));
-
-        // Generate a bug report.
-        SmallString<128> buf;
-        llvm::raw_svector_ostream os(buf);
-
-        os << "Variable '" << VD->getName()
-           << "' is uninitialized when captured by block";
-
-        auto R = llvm::make_unique<BugReport>(*BT, os.str(), N);
-        if (const Expr *Ex = FindBlockDeclRefExpr(BE->getBody(), VD))
-          R->addRange(Ex->getSourceRange());
-        R->addVisitor(llvm::make_unique<FindLastStoreBRVisitor>(
-            *V, VR, /*EnableNullFPSuppression*/ false));
-        R->disablePathPruning();
-        // need location of block
-        C.emitReport(std::move(R));
-      }
-    }
-  }
-}
-
-void ento::registerUndefCapturedBlockVarChecker(CheckerManager &mgr) {
-  mgr.registerChecker<UndefCapturedBlockVarChecker>();
-}
-
-bool ento::shouldRegisterUndefCapturedBlockVarChecker(const LangOptions &LO) {
-  return true;
-}