//===- Steensgaard.cpp - Context Insensitive Alias Analysis ---------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file was developed by the LLVM research group and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
//
// This pass uses the data structure graphs to implement a simple context
// insensitive alias analysis. It does this by computing the local analysis
//
//===----------------------------------------------------------------------===//
-#include "llvm/Analysis/DataStructure.h"
-#include "llvm/Analysis/DSGraph.h"
+#include "llvm/Analysis/DataStructure/DataStructure.h"
+#include "llvm/Analysis/DataStructure/DSGraph.h"
#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/Module.h"
#include "Support/Debug.h"
+#include <iostream>
+using namespace llvm;
namespace {
class Steens : public Pass, public AliasAnalysis {
AliasAnalysis::getAnalysisUsage(AU);
AU.setPreservesAll(); // Does not transform code...
AU.addRequired<LocalDataStructures>(); // Uses local dsgraph
- AU.addRequired<AliasAnalysis>(); // Chains to another AA impl...
}
// print - Implement the Pass::print method...
RegisterAnalysisGroup<AliasAnalysis, Steens> Y;
}
-
/// ResolveFunctionCall - Resolve the actual arguments of a call to function F
/// with the specified call site descriptor. This function links the arguments
/// and the return value for the call site context-insensitively.
LocalDataStructures &LDS = getAnalysis<LocalDataStructures>();
// Create a new, empty, graph...
- ResultGraph = new DSGraph();
- GlobalsGraph = new DSGraph();
+ ResultGraph = new DSGraph(getTargetData());
+ GlobalsGraph = new DSGraph(getTargetData());
ResultGraph->setGlobalsGraph(GlobalsGraph);
ResultGraph->setPrintAuxCalls();
{ // Scope to free NodeMap memory ASAP
DSGraph::NodeMapTy NodeMap;
const DSGraph &FDSG = LDS.getDSGraph(*I);
- ResultGraph->cloneInto(FDSG, ValMap, RetValMap, NodeMap);
+ ResultGraph->cloneInto(FDSG, ValMap, RetValMap, NodeMap,
+ DSGraph::UpdateInlinedGlobals);
}
// Incorporate the inlined Function's ScalarMap into the global
// If we cannot determine alias properties based on our graph, fall back on
// some other AA implementation.
//
- return getAnalysis<AliasAnalysis>().alias(V1, V1Size, V2, V2Size);
+ return AliasAnalysis::alias(V1, V1Size, V2, V2Size);
}