diff options
| -rw-r--r-- | include/llvm/Analysis/IPModRef.h | 46 |
1 files changed, 15 insertions, 31 deletions
diff --git a/include/llvm/Analysis/IPModRef.h b/include/llvm/Analysis/IPModRef.h index aa6c308fb2..5a08dc02e7 100644 --- a/include/llvm/Analysis/IPModRef.h +++ b/include/llvm/Analysis/IPModRef.h @@ -33,15 +33,12 @@ // class IPModRef is primarily meant for other analysis passes that need to // use Mod/Ref information efficiently for more complicated purposes; // the bit-vector representations make propagation very efficient. +// //===----------------------------------------------------------------------===// - #ifndef LLVM_ANALYSIS_IPMODREF_H #define LLVM_ANALYSIS_IPMODREF_H - -#include "llvm/Analysis/DataStructure.h" -#include "llvm/Analysis/DSGraph.h" #include "llvm/Pass.h" #include "Support/BitSetVector.h" #include "Support/NonCopyable.h" @@ -49,12 +46,12 @@ class Module; class Function; class CallInst; +class DSNode; class DSGraph; class ModRefInfo; // Result of IP Mod/Ref for one entity class FunctionModRefInfo; // ModRefInfo for a func and all calls in it class IPModRef; // Pass that computes IP Mod/Ref info - //--------------------------------------------------------------------------- // class ModRefInfo // @@ -67,7 +64,7 @@ class IPModRef; // Pass that computes IP Mod/Ref info class ModRefInfo { BitSetVector modNodeSet; // set of modified nodes BitSetVector refNodeSet; // set of referenced nodes - + public: // // Methods to construct ModRefInfo objects. @@ -76,6 +73,12 @@ public: : modNodeSet(numNodes), refNodeSet(numNodes) { } + unsigned getSize() const { + assert(modNodeSet.size() == refNodeSet.size() && + "Mod & Ref different size?"); + return modNodeSet.size(); + } + void setNodeIsMod (unsigned nodeId) { modNodeSet[nodeId] = true; } void setNodeIsRef (unsigned nodeId) { refNodeSet[nodeId] = true; } @@ -148,14 +151,12 @@ public: // unsigned getNodeId (const DSNode* node) const { std::map<const DSNode*, unsigned>::const_iterator iter = NodeIds.find(node); - assert(iter == NodeIds.end() || iter->second < funcTDGraph.getGraphSize()); - return (iter == NodeIds.end())? funcTDGraph.getGraphSize() : iter->second; - } - unsigned getNodeId (const Value* value) const { - return getNodeId(funcTDGraph.getNodeForValue(const_cast<Value*>(value)) - .getNode()); + assert(iter == NodeIds.end() || iter->second < funcModRefInfo.getSize()); + return (iter == NodeIds.end())? funcModRefInfo.getSize() : iter->second; } + unsigned getNodeId (const Value* value) const; + // Debugging support methods void print(std::ostream &O) const; void dump() const; @@ -181,20 +182,7 @@ class IPModRef : public Pass { Module* M; FunctionModRefInfo& getFuncInfo(const Function& func, - bool computeIfMissing = false) - { - FunctionModRefInfo*& funcInfo = funcToModRefInfoMap[&func]; - assert (funcInfo != NULL || computeIfMissing); - if (funcInfo == NULL && computeIfMissing) - { // Create a new FunctionModRefInfo object - funcInfo = new FunctionModRefInfo(func, // inserts into map - getAnalysis<TDDataStructures>().getDSGraph(func), - getAnalysis<LocalDataStructures>().getDSGraph(func)); - funcInfo->computeModRef(func); // computes the mod/ref info - } - return *funcInfo; - } - + bool computeIfMissing = false); public: IPModRef() : M(NULL) { } ~IPModRef() { } @@ -223,11 +211,7 @@ public: // getAnalysisUsage - This pass requires top-down data structure graphs. // It modifies nothing. // - virtual void getAnalysisUsage(AnalysisUsage &AU) const { - AU.setPreservesAll(); - AU.addRequired<LocalDataStructures>(); - AU.addRequired<TDDataStructures>(); - } + virtual void getAnalysisUsage(AnalysisUsage &AU) const; }; //===----------------------------------------------------------------------===// |