vendor/clang/clang-r126079

1 files changed, 0 insertions, 71 deletions

diff --git a/lib/Checker/PointerArithChecker.cpp b/lib/Checker/PointerArithChecker.cpp
deleted file mode 100644
index cbac423b467cd..0000000000000
--- a/lib/Checker/PointerArithChecker.cpp
+++ /dev/null
@@ -1,71 +0,0 @@
-//=== PointerArithChecker.cpp - Pointer arithmetic checker -----*- C++ -*--===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This files defines PointerArithChecker, a builtin checker that checks for
-// pointer arithmetic on locations other than array elements.
-//
-//===----------------------------------------------------------------------===//
-
-#include "GRExprEngineInternalChecks.h"
-#include "clang/Checker/BugReporter/BugType.h"
-#include "clang/Checker/PathSensitive/CheckerVisitor.h"
-
-using namespace clang;
-
-namespace {
-class PointerArithChecker 
-  : public CheckerVisitor<PointerArithChecker> {
-  BuiltinBug *BT;
-public:
-  PointerArithChecker() : BT(0) {}
-  static void *getTag();
-  void PreVisitBinaryOperator(CheckerContext &C, const BinaryOperator *B);
-};
-}
-
-void *PointerArithChecker::getTag() {
-  static int x;
-  return &x;
-}
-
-void PointerArithChecker::PreVisitBinaryOperator(CheckerContext &C,
-                                                 const BinaryOperator *B) {
-  if (B->getOpcode() != BO_Sub && B->getOpcode() != BO_Add)
-    return;
-
-  const GRState *state = C.getState();
-  SVal LV = state->getSVal(B->getLHS());
-  SVal RV = state->getSVal(B->getRHS());
-
-  const MemRegion *LR = LV.getAsRegion();
-
-  if (!LR || !RV.isConstant())
-    return;
-
-  // If pointer arithmetic is done on variables of non-array type, this often
-  // means behavior rely on memory organization, which is dangerous.
-  if (isa<VarRegion>(LR) || isa<CodeTextRegion>(LR) || 
-      isa<CompoundLiteralRegion>(LR)) {
-
-    if (ExplodedNode *N = C.GenerateNode()) {
-      if (!BT)
-        BT = new BuiltinBug("Dangerous pointer arithmetic",
-                            "Pointer arithmetic done on non-array variables "
-                            "means reliance on memory layout, which is "
-                            "dangerous.");
-      RangedBugReport *R = new RangedBugReport(*BT, BT->getDescription(), N);
-      R->addRange(B->getSourceRange());
-      C.EmitReport(R);
-    }
-  }
-}
-
-void clang::RegisterPointerArithChecker(GRExprEngine &Eng) {
-  Eng.registerCheck(new PointerArithChecker());
-}