Index: clang-tidy/misc/CMakeLists.txt
===================================================================
--- clang-tidy/misc/CMakeLists.txt
+++ clang-tidy/misc/CMakeLists.txt
@@ -3,6 +3,7 @@
 add_clang_library(clangTidyMiscModule
   ArgumentCommentCheck.cpp
   AssertSideEffectCheck.cpp
+  DeleteNullPointerCheck.cpp
   MisplacedConstCheck.cpp
   UnconventionalAssignOperatorCheck.cpp
   BoolPointerImplicitConversionCheck.cpp
Index: clang-tidy/misc/DeleteNullPointerCheck.h
===================================================================
--- /dev/null
+++ clang-tidy/misc/DeleteNullPointerCheck.h
@@ -0,0 +1,35 @@
+//===--- DeleteNullPointerCheck.h - clang-tidy-------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_DELETE_NULL_POINTER_H
+#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_DELETE_NULL_POINTER_H
+
+#include "../ClangTidy.h"
+
+namespace clang {
+namespace tidy {
+namespace misc {
+
+/// FIXME: Write a short description.
+///
+/// For the user-facing documentation see:
+/// http://clang.llvm.org/extra/clang-tidy/checks/misc-delete-null-pointer.html
+class DeleteNullPointerCheck : public ClangTidyCheck {
+public:
+  DeleteNullPointerCheck(StringRef Name, ClangTidyContext *Context)
+      : ClangTidyCheck(Name, Context) {}
+  void registerMatchers(ast_matchers::MatchFinder *Finder) override;
+  void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
+};
+
+} // namespace misc
+} // namespace tidy
+} // namespace clang
+
+#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_DELETE_NULL_POINTER_H
Index: clang-tidy/misc/DeleteNullPointerCheck.cpp
===================================================================
--- /dev/null
+++ clang-tidy/misc/DeleteNullPointerCheck.cpp
@@ -0,0 +1,66 @@
+//===--- DeleteNullPointerCheck.cpp - clang-tidy---------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "DeleteNullPointerCheck.h"
+#include "clang/AST/ASTContext.h"
+#include "clang/ASTMatchers/ASTMatchFinder.h"
+#include "clang/Lex/Lexer.h"
+
+using namespace clang::ast_matchers;
+
+namespace clang {
+namespace tidy {
+namespace misc {
+
+void DeleteNullPointerCheck::registerMatchers(MatchFinder *Finder) {
+  const auto DeleteExpr =
+      cxxDeleteExpr(has(castExpr(has(declRefExpr(
+                        to(decl(equalsBoundNode("deletedPointer"))))))))
+          .bind("deleteExpr");
+
+  const auto PointerCondition = castExpr(hasCastKind(CK_PointerToBoolean));
+  const auto BinaryPointerCheckCondition = binaryOperator(
+      allOf(hasEitherOperand(castExpr(hasCastKind(CK_NullToPointer))),
+            hasEitherOperand(ignoringImpCasts(declRefExpr()))));
+
+  Finder->addMatcher(
+      ifStmt(allOf(hasCondition(
+                       anyOf(PointerCondition, BinaryPointerCheckCondition)),
+                   hasCondition(anyOf(
+                       ignoringImpCasts(
+                           declRefExpr(to(decl().bind("deletedPointer")))),
+                       binaryOperator(hasEitherOperand(ignoringImpCasts(
+                           declRefExpr(to(decl().bind("deletedPointer")))))))),
+                   hasThen(anyOf(
+                       DeleteExpr,
+                       compoundStmt(allOf(has(DeleteExpr), statementCountIs(1)))
+                           .bind("compound")))))
+          .bind("ifWithDelete"),
+      this);
+}
+
+void DeleteNullPointerCheck::check(const MatchFinder::MatchResult &Result) {
+  const auto *IfWithDelete = Result.Nodes.getNodeAs<IfStmt>("ifWithDelete");
+  const auto *Delete = Result.Nodes.getNodeAs<CXXDeleteExpr>("deleteExpr");
+
+  auto D =
+      diag(IfWithDelete->getLocStart(),
+           "if statement is unnecessary (deleting null pointer has no effect)");
+  std::string ReplacementText = Lexer::getSourceText(
+      CharSourceRange::getTokenRange(Delete->getSourceRange()),
+      *Result.SourceManager, Result.Context->getLangOpts());
+  ReplacementText += ';';
+
+  D << FixItHint::CreateReplacement(IfWithDelete->getSourceRange(),
+                                    ReplacementText);
+}
+
+} // namespace misc
+} // namespace tidy
+} // namespace clang
Index: clang-tidy/misc/MiscTidyModule.cpp
===================================================================
--- clang-tidy/misc/MiscTidyModule.cpp
+++ clang-tidy/misc/MiscTidyModule.cpp
@@ -12,6 +12,7 @@
 #include "../ClangTidyModuleRegistry.h"
 #include "ArgumentCommentCheck.h"
 #include "AssertSideEffectCheck.h"
+#include "DeleteNullPointerCheck.h"
 #include "MisplacedConstCheck.h"
 #include "UnconventionalAssignOperatorCheck.h"
 #include "BoolPointerImplicitConversionCheck.h"
@@ -63,6 +64,8 @@
     CheckFactories.registerCheck<ArgumentCommentCheck>("misc-argument-comment");
     CheckFactories.registerCheck<AssertSideEffectCheck>(
         "misc-assert-side-effect");
+    CheckFactories.registerCheck<DeleteNullPointerCheck>(
+        "misc-delete-null-pointer");
     CheckFactories.registerCheck<MisplacedConstCheck>(
         "misc-misplaced-const");
     CheckFactories.registerCheck<UnconventionalAssignOperatorCheck>(
Index: docs/clang-tidy/checks/list.rst
===================================================================
--- docs/clang-tidy/checks/list.rst
+++ docs/clang-tidy/checks/list.rst
@@ -58,6 +58,7 @@
    misc-bool-pointer-implicit-conversion
    misc-dangling-handle
    misc-definitions-in-headers
+   misc-delete-null-pointer
    misc-fold-init-type
    misc-forward-declaration-namespace
    misc-inaccurate-erase
Index: docs/clang-tidy/checks/misc-delete-null-pointer.rst
===================================================================
--- /dev/null
+++ docs/clang-tidy/checks/misc-delete-null-pointer.rst
@@ -0,0 +1,12 @@
+.. title:: clang-tidy - misc-delete-null-pointer
+
+misc-delete-null-pointer
+========================
+
+Checks the if statements where a pointer's existence is checked and then deletes the pointer.
+The check is unnecessary as deleting a nullpointer has no effect.
+
+.. code:: c++
+  int *p;
+  if (p)
+    delete p;
Index: test/clang-tidy/misc-delete-null-pointer.cpp
===================================================================
--- /dev/null
+++ test/clang-tidy/misc-delete-null-pointer.cpp
@@ -0,0 +1,49 @@
+// RUN: %check_clang_tidy %s misc-delete-null-pointer %t
+
+#include <cstdlib>
+
+void f() {
+  int *p = 0;
+  if (p) {
+    // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: if statement is unnecessary (deleting null pointer has no effect) [misc-delete-null-pointer]
+    delete p;
+  }
+  // CHECK-FIXES: delete p;
+  int *p3 = new int[3];
+  if (p3)
+    // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: if statement is unnecessary (deleting null pointer has no effect) [misc-delete-null-pointer]
+    delete[] p3;
+  // CHECK-FIXES: delete[] p3;
+
+  if (NULL != p) {
+    // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: if statement is unnecessary (deleting null pointer has no effect) [misc-delete-null-pointer]
+    delete p;
+  }
+  // CHECK-FIXES: delete p;
+
+  if (p != nullptr) {
+    // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: if statement is unnecessary (deleting null pointer has no effect) [misc-delete-null-pointer]
+    delete p;
+  }
+  // CHECK-FIXES: delete p;
+
+  if (p != 0) {
+    // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: if statement is unnecessary (deleting null pointer has no effect) [misc-delete-null-pointer]
+    delete p;
+  }
+  // CHECK-FIXES: delete p;
+}
+
+void g() {
+  int *p, *p2;
+  if (p)
+    delete p2;
+
+  if (p && p2)
+    delete p;
+
+  if (p2) {
+    int x = 5;
+    delete p2;
+  }
+}