[C++] Use 'nullptr'.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207394 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 13 insertions, 11 deletions

diff --git a/tools/bugpoint/BugDriver.cpp b/tools/bugpoint/BugDriver.cpp
index e4f66ed5b3..cecccbe0f0 100644
--- a/tools/bugpoint/BugDriver.cpp
+++ b/tools/bugpoint/BugDriver.cpp
@@ -116,7 +116,7 @@ Module *llvm::ParseInputFile(const std::string &Filename,
 // parsed), and false on success.
 //
 bool BugDriver::addSources(const std::vector<std::string> &Filenames) {
-  assert(Program == 0 && "Cannot call addSources multiple times!");
+  assert(!Program && "Cannot call addSources multiple times!");
   assert(!Filenames.empty() && "Must specify at least on input filename!");
 
   // Load the first input file.
diff --git a/tools/bugpoint/BugDriver.h b/tools/bugpoint/BugDriver.h
index c01bbe557d..3169d293da 100644
--- a/tools/bugpoint/BugDriver.h
+++ b/tools/bugpoint/BugDriver.h
@@ -202,7 +202,7 @@ public:
                    const std::string &BitcodeFile = "",
                    const std::string &SharedObj = "",
                    bool RemoveBitcode = false,
-                   std::string *Error = 0) const;
+                   std::string *Error = nullptr) const;
 
   /// EmitProgressBitcode - This function is used to output M to a file named
   /// "bugpoint-ID.bc".
@@ -244,7 +244,7 @@ public:
   /// this method will never return null.
   Module *runPassesOn(Module *M, const std::vector<std::string> &Passes,
                       bool AutoDebugCrashes = false, unsigned NumExtraArgs = 0,
-                      const char * const *ExtraArgs = NULL);
+                      const char * const *ExtraArgs = nullptr);
 
   /// runPasses - Run the specified passes on Program, outputting a bitcode
   /// file and writting the filename into OutputFile if successful.  If the
@@ -259,7 +259,7 @@ public:
                  const std::vector<std::string> &PassesToRun,
                  std::string &OutputFilename, bool DeleteOutput = false,
                  bool Quiet = false, unsigned NumExtraArgs = 0,
-                 const char * const *ExtraArgs = NULL) const;
+                 const char * const *ExtraArgs = nullptr) const;
                  
   /// runManyPasses - Take the specified pass list and create different 
   /// combinations of passes to compile the program with. Compile the program with
diff --git a/tools/bugpoint/ToolRunner.h b/tools/bugpoint/ToolRunner.h
index 38a58356a6..6e7b95c784 100644
--- a/tools/bugpoint/ToolRunner.h
+++ b/tools/bugpoint/ToolRunner.h
@@ -63,7 +63,7 @@ public:
                      FileType fileType,
                      const std::string &InputFile,
                      const std::string &OutputFile,
-                     std::string *Error = 0,
+                     std::string *Error = nullptr,
                      const std::vector<std::string> &GCCArgs =
                          std::vector<std::string>(),
                      unsigned Timeout = 0,
@@ -89,15 +89,17 @@ class AbstractInterpreter {
 public:
   static LLC *createLLC(const char *Argv0, std::string &Message,
                         const std::string              &GCCBinary,
-                        const std::vector<std::string> *Args = 0,
-                        const std::vector<std::string> *GCCArgs = 0,
+                        const std::vector<std::string> *Args = nullptr,
+                        const std::vector<std::string> *GCCArgs = nullptr,
                         bool UseIntegratedAssembler = false);
 
-  static AbstractInterpreter* createLLI(const char *Argv0, std::string &Message,
-                                        const std::vector<std::string> *Args=0);
+  static AbstractInterpreter*
+  createLLI(const char *Argv0, std::string &Message,
+            const std::vector<std::string> *Args = nullptr);
 
-  static AbstractInterpreter* createJIT(const char *Argv0, std::string &Message,
-                                        const std::vector<std::string> *Args=0);
+  static AbstractInterpreter*
+  createJIT(const char *Argv0, std::string &Message,
+            const std::vector<std::string> *Args = nullptr);
 
   static AbstractInterpreter*
   createCustomCompiler(std::string &Message,