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- Eliminate the need for analyses to expose an ::ID member.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3414 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -25,6 +25,7 @@
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#include <vector>
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#include <map>
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#include <iosfwd>
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#include <typeinfo>
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class Value;
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class BasicBlock;
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class Function;
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@ -108,20 +109,33 @@ public:
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// dumpPassStructure - Implement the -debug-passes=PassStructure option
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virtual void dumpPassStructure(unsigned Offset = 0);
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// getPassInfo - Static method to get the pass information from a class name.
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template<typename AnalysisClass>
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static const PassInfo *getClassPassInfo() {
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return lookupPassInfo(typeid(AnalysisClass));
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}
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protected:
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// lookupPassInfo - Return the pass info object for the specified pass class,
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// or null if it is not known.
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static const PassInfo *lookupPassInfo(const std::type_info &TI);
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// getAnalysis<AnalysisType>() - This function is used by subclasses to get to
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// the analysis information that they claim to use by overriding the
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// getAnalysisUsage function.
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//
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template<typename AnalysisType>
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AnalysisType &getAnalysis() {
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assert(Resolver && "Pass not resident in a PassManager object!");
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return *(AnalysisType*)Resolver->getAnalysis(AnalysisType::ID);
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assert(Resolver && "Pass has not been inserted into a PassManager object!");
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const PassInfo *PI = getClassPassInfo<AnalysisType>();
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assert(PI && "getAnalysis for unregistered pass!");
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return *(AnalysisType*)Resolver->getAnalysis(PI);
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}
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template<typename AnalysisType>
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AnalysisType &getAnalysisID(const PassInfo *PI) {
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assert(Resolver && "Pass not resident in a PassManager object!");
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assert(Resolver && "Pass has not been inserted into a PassManager object!");
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assert(PI && "getAnalysis for unregistered pass!");
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return *(AnalysisType*)Resolver->getAnalysis(PI);
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}
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@ -134,7 +148,9 @@ protected:
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template<typename AnalysisType>
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AnalysisType *getAnalysisToUpdate() {
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assert(Resolver && "Pass not resident in a PassManager object!");
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return (AnalysisType*)Resolver->getAnalysisToUpdate(AnalysisType::ID);
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const PassInfo *PI = getClassPassInfo<AnalysisType>();
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if (PI == 0) return 0;
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return (AnalysisType*)Resolver->getAnalysisToUpdate(PI);
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}
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@ -39,7 +39,7 @@ public:
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}
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template<class PassClass>
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AnalysisUsage &addRequired() {
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Required.push_back(PassClass::ID);
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Required.push_back(Pass::getClassPassInfo<PassClass>());
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return *this;
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}
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@ -53,7 +53,7 @@ public:
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template<class PassClass>
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AnalysisUsage &addPreserved() {
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Preserved.push_back(PassClass::ID);
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Preserved.push_back(Pass::getClassPassInfo<PassClass>());
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return *this;
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}
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@ -11,7 +11,6 @@
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#include "llvm/Module.h"
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#include "Support/STLExtras.h"
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#include "Support/TypeInfo.h"
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#include <typeinfo>
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#include <stdio.h>
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#include <sys/resource.h>
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#include <sys/unistd.h>
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@ -371,8 +370,12 @@ static std::vector<PassRegistrationListener*> *Listeners = 0;
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// pass...
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const PassInfo *Pass::getPassInfo() const {
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if (PassInfoCache) return PassInfoCache;
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return lookupPassInfo(typeid(*this));
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}
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const PassInfo *Pass::lookupPassInfo(const std::type_info &TI) {
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if (PassInfoMap == 0) return 0;
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std::map<TypeInfo, PassInfo*>::iterator I = PassInfoMap->find(typeid(*this));
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std::map<TypeInfo, PassInfo*>::iterator I = PassInfoMap->find(TI);
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return (I != PassInfoMap->end()) ? I->second : 0;
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}
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