Typo: exists -> exits

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

diff --git a/lib/Analysis/RegionPass.cpp b/lib/Analysis/RegionPass.cpp
index 80eda79d8a425e10abec1ca84f0fbdba8a6af969..71de14450b7e8a977e295f5073e09934c18ef7e7 100644 (file)
--- a/lib/Analysis/RegionPass.cpp
+++ b/lib/Analysis/RegionPass.cpp
@@ -17,29 +17,30 @@
 #include "llvm/Analysis/RegionIterator.h"
 #include "llvm/Support/Timer.h"
 
-#define DEBUG_TYPE "regionpassmgr"
 #include "llvm/Support/Debug.h"
 using namespace llvm;
 
+#define DEBUG_TYPE "regionpassmgr"
+
 //===----------------------------------------------------------------------===//
 // RGPassManager
 //
 
 char RGPassManager::ID = 0;
 
-RGPassManager::RGPassManager(int Depth)
-  : FunctionPass(ID), PMDataManager(Depth) {
+RGPassManager::RGPassManager()
+  : FunctionPass(ID), PMDataManager() {
   skipThisRegion = false;
   redoThisRegion = false;
-  RI = NULL;
-  CurrentRegion = NULL;
+  RI = nullptr;
+  CurrentRegion = nullptr;
 }
 
 // Recurse through all subregions and all regions  into RQ.
-static void addRegionIntoQueue(Region *R, std::deque<Region *> &RQ) {
-  RQ.push_back(R);
-  for (Region::iterator I = R->begin(), E = R->end(); I != E; ++I)
-    addRegionIntoQueue(*I, RQ);
+static void addRegionIntoQueue(Region &R, std::deque<Region *> &RQ) {
+  RQ.push_back(&R);
+  for (const auto &E : R)
+    addRegionIntoQueue(*E, RQ);
 }
 
 /// Pass Manager itself does not invalidate any analysis info.
@@ -57,7 +58,7 @@ bool RGPassManager::runOnFunction(Function &F) {
   // Collect inherited analysis from Module level pass manager.
   populateInheritedAnalysis(TPM->activeStack);
 
-  addRegionIntoQueue(RI->getTopLevelRegion(), RQ);
+  addRegionIntoQueue(*RI->getTopLevelRegion(), RQ);
 
   if (RQ.empty()) // No regions, skip calling finalizers
     return false;
@@ -185,19 +186,21 @@ private:
 
 public:
   static char ID;
-  PrintRegionPass() : RegionPass(ID), Out(dbgs()) {}
   PrintRegionPass(const std::string &B, raw_ostream &o)
       : RegionPass(ID), Banner(B), Out(o) {}
 
-  virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+  void getAnalysisUsage(AnalysisUsage &AU) const override {
     AU.setPreservesAll();
   }
 
-  virtual bool runOnRegion(Region *R, RGPassManager &RGM) {
+  bool runOnRegion(Region *R, RGPassManager &RGM) override {
     Out << Banner;
-    for (Region::block_iterator I = R->block_begin(), E = R->block_end();
-         I != E; ++I)
-      (*I)->getEntry()->print(Out);
+    for (const auto &BB : R->blocks()) {
+      if (BB)
+        BB->print(Out);
+      else
+        Out << "Printing <null> Block";
+    }
 
     return false;
   }
@@ -250,7 +253,7 @@ void RegionPass::assignPassManager(PMStack &PMS,
     PMDataManager *PMD = PMS.top();
 
     // [1] Create new Region Pass Manager
-    RGPM = new RGPassManager(PMD->getDepth() + 1);
+    RGPM = new RGPassManager();
     RGPM->populateInheritedAnalysis(PMS);
 
     // [2] Set up new manager's top level manager