1 files changed, 0 insertions, 125 deletions

diff --git a/contrib/llvm/tools/clang/lib/StaticAnalyzer/Checkers/UndefinedAssignmentChecker.cpp b/contrib/llvm/tools/clang/lib/StaticAnalyzer/Checkers/UndefinedAssignmentChecker.cpp
deleted file mode 100644
index d32d2a4042de..000000000000
--- a/contrib/llvm/tools/clang/lib/StaticAnalyzer/Checkers/UndefinedAssignmentChecker.cpp
+++ /dev/null
@@ -1,125 +0,0 @@
-//===--- UndefinedAssignmentChecker.h ---------------------------*- 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 defines UndefinedAssignmentChecker, a builtin check in ExprEngine that
-// checks for assigning undefined values.
-//
-//===----------------------------------------------------------------------===//
-
-#include "clang/StaticAnalyzer/Checkers/BuiltinCheckerRegistration.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"
-
-using namespace clang;
-using namespace ento;
-
-namespace {
-class UndefinedAssignmentChecker
-  : public Checker<check::Bind> {
-  mutable std::unique_ptr<BugType> BT;
-
-public:
-  void checkBind(SVal location, SVal val, const Stmt *S,
-                 CheckerContext &C) const;
-};
-}
-
-void UndefinedAssignmentChecker::checkBind(SVal location, SVal val,
-                                           const Stmt *StoreE,
-                                           CheckerContext &C) const {
-  if (!val.isUndef())
-    return;
-
-  // Do not report assignments of uninitialized values inside swap functions.
-  // This should allow to swap partially uninitialized structs
-  // (radar://14129997)
-  if (const FunctionDecl *EnclosingFunctionDecl =
-      dyn_cast<FunctionDecl>(C.getStackFrame()->getDecl()))
-    if (C.getCalleeName(EnclosingFunctionDecl) == "swap")
-      return;
-
-  ExplodedNode *N = C.generateErrorNode();
-
-  if (!N)
-    return;
-
-  static const char *const DefaultMsg =
-      "Assigned value is garbage or undefined";
-  if (!BT)
-    BT.reset(new BuiltinBug(this, DefaultMsg));
-
-  // Generate a report for this bug.
-  llvm::SmallString<128> Str;
-  llvm::raw_svector_ostream OS(Str);
-
-  const Expr *ex = nullptr;
-
-  while (StoreE) {
-    if (const UnaryOperator *U = dyn_cast<UnaryOperator>(StoreE)) {
-      OS << "The expression is an uninitialized value. "
-            "The computed value will also be garbage";
-
-      ex = U->getSubExpr();
-      break;
-    }
-
-    if (const BinaryOperator *B = dyn_cast<BinaryOperator>(StoreE)) {
-      if (B->isCompoundAssignmentOp()) {
-        if (C.getSVal(B->getLHS()).isUndef()) {
-          OS << "The left expression of the compound assignment is an "
-                "uninitialized value. The computed value will also be garbage";
-          ex = B->getLHS();
-          break;
-        }
-      }
-
-      ex = B->getRHS();
-      break;
-    }
-
-    if (const DeclStmt *DS = dyn_cast<DeclStmt>(StoreE)) {
-      const VarDecl *VD = dyn_cast<VarDecl>(DS->getSingleDecl());
-      ex = VD->getInit();
-    }
-
-    if (const auto *CD =
-            dyn_cast<CXXConstructorDecl>(C.getStackFrame()->getDecl())) {
-      if (CD->isImplicit()) {
-        for (auto I : CD->inits()) {
-          if (I->getInit()->IgnoreImpCasts() == StoreE) {
-            OS << "Value assigned to field '" << I->getMember()->getName()
-               << "' in implicit constructor is garbage or undefined";
-            break;
-          }
-        }
-      }
-    }
-
-    break;
-  }
-
-  if (OS.str().empty())
-    OS << DefaultMsg;
-
-  auto R = llvm::make_unique<BugReport>(*BT, OS.str(), N);
-  if (ex) {
-    R->addRange(ex->getSourceRange());
-    bugreporter::trackExpressionValue(N, ex, *R);
-  }
-  C.emitReport(std::move(R));
-}
-
-void ento::registerUndefinedAssignmentChecker(CheckerManager &mgr) {
-  mgr.registerChecker<UndefinedAssignmentChecker>();
-}
-
-bool ento::shouldRegisterUndefinedAssignmentChecker(const LangOptions &LO) {
-  return true;
-}