Was tested, can point out DU nodes as unsafe but cannot display the addresses.

include/lrusecurity/ACSSecurity.h

@@ -13,8 +13,8 @@ class ACSSecurity
     _acs = *new otawa::icat3::ACS();
   };
   inline ACSSecurity(otawa::icat3::ACS acs) {
-    this->_acs = acs;
-    this->_prev = otawa::Bag<otawa::icache::Access>();
+    _acs = acs;
+    _prev = otawa::Bag<otawa::icache::Access>();
   }
   void copy(ACSSecurity b){
     _acs.copy(b._acs);

src/Prev/lrusecurity_ExistHitPrevAnalysis.cpp

@@ -95,8 +95,8 @@ p::declare ExistHitPrevAnalysis::reg = p::init("lrusecurity::ExistHitPrevAnalysi
 
 p::feature EXIST_HIT_PREV_ANALYSIS_FEATURE("lrusecurity::EXIST_HIT_PREV_ANALYSIS_FEATURE", p::make<ExistHitPrevAnalysis>());
 
-p::id<icat3::Container<ACSSecurity> > EXIST_HIT_PREV_IN("lrusecurity::EXIST_HIT_PREV_IN");
+  p::id<icat3::Container<ACSSecurity> > EXIST_HIT_PREV_IN("lrusecurity::EXIST_HIT_PREV_IN");
 
-p::id<icat3::Container<ACSSecurity> > EXIST_HIT_PREV_INIT("lrusecurity::EXIST_HIT_PREV_INIT");
+  p::id<icat3::Container<ACSSecurity> > EXIST_HIT_PREV_INIT("lrusecurity::EXIST_HIT_PREV_INIT");
 
 }; // namespace lrusecurity

src/Prev/lrusecurity_ExistHitPrevDomain.cpp

@@ -44,7 +44,15 @@ void ExistHitPrevDomain::join(t& dcss, const t& scss)
 	}
 
 	//join of the Prev is a union
-	dcss._prev = scss._prev;
+	int fullsize = dcss._prev.size()+scss._prev.size();
+        Bag<icache::Access> newbag = *new Bag<icache::Access>(fullsize);
+	for (int i = 0 ; i < fullsize; ++i){
+	  if (i < dcss._prev.size())
+	    newbag[i] = dcss._prev[i];
+	  else
+	    newbag[i] = scss._prev[i - dcss._prev.size()];
+	}
+	dcss._prev = newbag;
 }
 
 void ExistHitPrevDomain::fetch(t& acss, const icache::Access ac, lrupreanalysis::ACSManager& mustManager)
@@ -54,12 +62,10 @@ void ExistHitPrevDomain::fetch(t& acss, const icache::Access ac, lrupreanalysis:
 	icat3::ACS a = acss._acs;
 	if(a[0] == icat3::BOT_AGE)
 		return;
-
 	for(int i = 0; i < _n; i++) {
 		ASSERT(a[i] != icat3::BOT_AGE);
 		if(i == b)
 			continue;
-
 		if(a[i] < mustManager.mustAge(lb) && a[i] < _A)
 			a[i]++;
 	}
@@ -67,9 +73,8 @@ void ExistHitPrevDomain::fetch(t& acss, const icache::Access ac, lrupreanalysis:
 
 	//Updating prev
 	for(int i = 0; i < _n; i++) {
-	  if (a[i] == icat3::BOT_AGE)
+	  if (a[i] == _A)
 	    acss._prev = *new Bag<icache::Access>();
-
 	  if (i == b)
 	    acss._prev = *new Bag<icache::Access>(1, &ac);
 	}

src/lrusecurity_Displayer.cpp

@@ -103,18 +103,18 @@ protected:
 			case icache::PREFETCH: _out << "PREFETCH\t"; break;
 		}
 		SecurityCategory cat = SECURITY_CATEGORY(access);
-
-		if(cat == SecurityCategory::SAFE)
-			_out << "SAFE\t\t";
-		else {
-			_out << "UNSAFE\t\t";
-			if (EXIST_HIT_PREV_IN(access)) {
-			  // Bag<icache::Access> prev = EXIST_HIT_PREV_IN(access)._prev;
-			  // for (int i = 0; i < prev.size(); ++i)
-			  //   _out << &prev[i]->address();
-			  _out << "some address";
+		int set = icat3::LBLOCKS(ws)->cache()->set(access->address());
+
+		if(cat == SecurityCategory::UNSAFE){
+			_out << "UNSAFE ";
+			if (bb->hasProp(EXIST_HIT_PREV_IN)) {
+			  Bag<icache::Access> prev = (*EXIST_HIT_PREV_IN(bb))[set]._prev;
+			  for (int i = 0; i < prev.size(); ++i)
+			    _out <<"blabla";
 			}
 		}
+	       	else
+       		  _out << "\t\t";
 		_out << "BB " << bb->index() << "\t\t";
 		printLine(ws, bb->address(), bb->topAddress().offset());
 		_out << io::endl;