X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FAnalysis%2FRegionPass.cpp;h=de34b727a5a0dbd1ec1880eaa5a88490d3d78b2e;hb=1cb132f921c55f9584d06787b849ef0f255403b2;hp=1798c36fc1312168cce7521bc4a8ff49776cb64f;hpb=2bbc5a7e2cf6292ca246915510b22263e5f6901a;p=oota-llvm.git

diff --git a/lib/Analysis/RegionPass.cpp b/lib/Analysis/RegionPass.cpp
index 1798c36fc13..de34b727a5a 100644
--- a/lib/Analysis/RegionPass.cpp
+++ b/lib/Analysis/RegionPass.cpp
@@ -17,10 +17,11 @@
 #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
 //
@@ -44,14 +45,14 @@ static void addRegionIntoQueue(Region &R, std::deque<Region *> &RQ) {
 
 /// Pass Manager itself does not invalidate any analysis info.
 void RGPassManager::getAnalysisUsage(AnalysisUsage &Info) const {
-  Info.addRequired<RegionInfo>();
+  Info.addRequired<RegionInfoPass>();
   Info.setPreservesAll();
 }
 
 /// run - Execute all of the passes scheduled for execution.  Keep track of
 /// whether any of the passes modifies the function, and if so, return true.
 bool RGPassManager::runOnFunction(Function &F) {
-  RI = &getAnalysis<RegionInfo>();
+  RI = &getAnalysis<RegionInfoPass>().getRegionInfo();
   bool Changed = false;
 
   // Collect inherited analysis from Module level pass manager.
@@ -185,7 +186,6 @@ private:
 
 public:
   static char ID;
-  PrintRegionPass() : RegionPass(ID), Out(dbgs()) {}
   PrintRegionPass(const std::string &B, raw_ostream &o)
       : RegionPass(ID), Banner(B), Out(o) {}
 
@@ -195,8 +195,12 @@ public:
 
   bool runOnRegion(Region *R, RGPassManager &RGM) override {
     Out << Banner;
-    for (const auto &BB : R->blocks())
-      BB->print(Out);
+    for (const auto &BB : R->blocks()) {
+      if (BB)
+        BB->print(Out);
+      else
+        Out << "Printing <null> Block";
+    }
 
     return false;
   }