From 39fcc9a984e2820e4ea0fa2ac4abd17d9f3a31df Mon Sep 17 00:00:00 2001
From: dim <dim@FreeBSD.org>
Date: Sun, 20 Feb 2011 13:06:31 +0000
Subject: Vendor import of clang trunk r126079:
 http://llvm.org/svn/llvm-project/cfe/trunk@126079

---
 lib/Checker/UndefinedAssignmentChecker.cpp | 93 ------------------------------
 1 file changed, 93 deletions(-)
 delete mode 100644 lib/Checker/UndefinedAssignmentChecker.cpp

(limited to 'lib/Checker/UndefinedAssignmentChecker.cpp')

diff --git a/lib/Checker/UndefinedAssignmentChecker.cpp b/lib/Checker/UndefinedAssignmentChecker.cpp
deleted file mode 100644
index ccc9748..0000000
--- a/lib/Checker/UndefinedAssignmentChecker.cpp
+++ /dev/null
@@ -1,93 +0,0 @@
-//===--- UndefinedAssignmentChecker.h ---------------------------*- C++ -*--==//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This defines UndefinedAssginmentChecker, a builtin check in GRExprEngine that
-// checks for assigning undefined values.
-//
-//===----------------------------------------------------------------------===//
-
-#include "GRExprEngineInternalChecks.h"
-#include "clang/Checker/BugReporter/BugType.h"
-#include "clang/Checker/PathSensitive/CheckerVisitor.h"
-
-using namespace clang;
-
-namespace {
-class UndefinedAssignmentChecker
-  : public CheckerVisitor<UndefinedAssignmentChecker> {
-  BugType *BT;
-public:
-  UndefinedAssignmentChecker() : BT(0) {}
-  static void *getTag();
-  virtual void PreVisitBind(CheckerContext &C, const Stmt *StoreE,
-                            SVal location, SVal val);
-};
-}
-
-void clang::RegisterUndefinedAssignmentChecker(GRExprEngine &Eng){
-  Eng.registerCheck(new UndefinedAssignmentChecker());
-}
-
-void *UndefinedAssignmentChecker::getTag() {
-  static int x = 0;
-  return &x;
-}
-
-void UndefinedAssignmentChecker::PreVisitBind(CheckerContext &C,
-                                              const Stmt *StoreE,
-                                              SVal location,
-                                              SVal val) {
-  if (!val.isUndef())
-    return;
-
-  ExplodedNode *N = C.GenerateSink();
-
-  if (!N)
-    return;
-
-  const char *str = "Assigned value is garbage or undefined";
-
-  if (!BT)
-    BT = new BuiltinBug(str);
-
-  // Generate a report for this bug.
-  const Expr *ex = 0;
-
-  while (StoreE) {
-    if (const BinaryOperator *B = dyn_cast<BinaryOperator>(StoreE)) {
-      if (B->isCompoundAssignmentOp()) {
-        const GRState *state = C.getState();
-        if (state->getSVal(B->getLHS()).isUndef()) {
-          str = "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();
-    }
-
-    break;
-  }
-
-  EnhancedBugReport *R = new EnhancedBugReport(*BT, str, N);
-  if (ex) {
-    R->addRange(ex->getSourceRange());
-    R->addVisitorCreator(bugreporter::registerTrackNullOrUndefValue, ex);
-  }
-  C.EmitReport(R);
-}
-
-- 
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