[C++] Use 'nullptr'. Transforms edition.

[oota-llvm.git] / lib / Analysis / LoopPass.cpp

diff --git a/lib/Analysis/LoopPass.cpp b/lib/Analysis/LoopPass.cpp
index db69e1325a8c6df69666dd0221825fd0e5f36fad..683d6d74ab42949b14ef5bc7c45cf11b408c855a 100644 (file)
--- a/lib/Analysis/LoopPass.cpp
+++ b/lib/Analysis/LoopPass.cpp
@@ -19,6 +19,8 @@
 #include "llvm/Support/Timer.h"
 using namespace llvm;
 
+#define DEBUG_TYPE "loop-pass-manager"
+
 namespace {
 
 /// PrintLoopPass - Print a Function corresponding to a Loop.
@@ -33,11 +35,11 @@ public:
   PrintLoopPass(const std::string &B, raw_ostream &o)
       : LoopPass(ID), Banner(B), Out(o) {}
 
-  virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+  void getAnalysisUsage(AnalysisUsage &AU) const override {
     AU.setPreservesAll();
   }
 
-  bool runOnLoop(Loop *L, LPPassManager &) {
+  bool runOnLoop(Loop *L, LPPassManager &) override {
     Out << Banner;
     for (Loop::block_iterator b = L->block_begin(), be = L->block_end();
          b != be;
@@ -61,8 +63,8 @@ LPPassManager::LPPassManager()
   : FunctionPass(ID), PMDataManager() {
   skipThisLoop = false;
   redoThisLoop = false;
-  LI = NULL;
-  CurrentLoop = NULL;
+  LI = nullptr;
+  CurrentLoop = nullptr;
 }
 
 /// Delete loop from the loop queue and loop hierarchy (LoopInfo).
@@ -368,8 +370,8 @@ void LoopPass::assignPassManager(PMStack &PMS,
 
 // Containing function has Attribute::OptimizeNone and transformation
 // passes should skip it.
-bool LoopPass::skipOptnoneFunction(Loop *L) const {
-  Function *F = L->getHeader()->getParent();
+bool LoopPass::skipOptnoneFunction(const Loop *L) const {
+  const Function *F = L->getHeader()->getParent();
   if (F && F->hasFnAttribute(Attribute::OptimizeNone)) {
     // FIXME: Report this to dbgs() only once per function.
     DEBUG(dbgs() << "Skipping pass '" << getPassName()