[C++11] Use 'nullptr'.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210442 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 5 insertions, 4 deletions

diff --git a/utils/FileCheck/FileCheck.cpp b/utils/FileCheck/FileCheck.cpp
index a1243774fe..74c708236d 100644
--- a/utils/FileCheck/FileCheck.cpp
+++ b/utils/FileCheck/FileCheck.cpp
@@ -1043,7 +1043,7 @@ bool CheckString::CheckNext(const SourceMgr &SM, StringRef Buffer) const {
              SMLoc::getFromPointer(Buffer.data())))->getBufferStart() &&
          "CHECK-NEXT can't be the first check in a file");
 
-  const char *FirstNewLine = 0;
+  const char *FirstNewLine = nullptr;
   unsigned NumNewLines = CountNumNewlinesBetween(Buffer, FirstNewLine);
 
   if (NumNewLines == 0) {
diff --git a/utils/PerfectShuffle/PerfectShuffle.cpp b/utils/PerfectShuffle/PerfectShuffle.cpp
index d39414eede..f80d885631 100644
--- a/utils/PerfectShuffle/PerfectShuffle.cpp
+++ b/utils/PerfectShuffle/PerfectShuffle.cpp
@@ -219,10 +219,10 @@ static void EvaluateOps(unsigned short Elt, unsigned short Vals[],
 int main() {
   // Seed the table with accesses to the LHS and RHS.
   ShufTab[0x0123].Cost = 0;
-  ShufTab[0x0123].Op = 0;
+  ShufTab[0x0123].Op = nullptr;
   ShufTab[0x0123].Arg0 = 0x0123;
   ShufTab[0x4567].Cost = 0;
-  ShufTab[0x4567].Op = 0;
+  ShufTab[0x4567].Op = nullptr;
   ShufTab[0x4567].Arg0 = 0x4567;
 
   // Seed the first-level of shuffles, shuffles whose inputs are the input to
diff --git a/utils/not/not.cpp b/utils/not/not.cpp
index ebd16189c9..546f989d7f 100644
--- a/utils/not/not.cpp
+++ b/utils/not/not.cpp
@@ -30,7 +30,8 @@ int main(int argc, const char **argv) {
   std::string Program = sys::FindProgramByName(argv[0]);
 
   std::string ErrMsg;
-  int Result = sys::ExecuteAndWait(Program, argv, 0, 0, 0, 0, &ErrMsg);
+  int Result = sys::ExecuteAndWait(Program, argv, nullptr, nullptr, 0, 0,
+                                   &ErrMsg);
   if (Result < 0) {
     errs() << "Error: " << ErrMsg << "\n";
     if (ExpectCrash)