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Add #ifdef switch toggle between old and new pass manager. However,

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continue to use old pass manager at the moment. To use new manager
remove #define USE_OLD_PASSMANAGER 1 from Pass.h


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32525 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
2006-12-13 02:36:01 +00:00
parent 21c362d324
commit 3162691f69
5 changed files with 118 additions and 50 deletions
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28
include/llvm/PassAnalysisSupport.h
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@ -189,10 +189,19 @@ protected:
///
template<typename AnalysisType>
AnalysisType *Pass::getAnalysisToUpdate() const {
#ifdef USE_OLD_PASSMANAGER
assert(Resolver && "Pass not resident in a PassManager object!");
#else
assert(Resolver_New && "Pass not resident in a PassManager object!");
#endif
const PassInfo *PI = getClassPassInfo<AnalysisType>();
if (PI == 0) return 0;
#ifdef USE_OLD_PASSMANAGER
return dynamic_cast<AnalysisType*>(Resolver->getAnalysisToUpdate(PI));
#else
return dynamic_cast<AnalysisType*>
(Resolver_New->getAnalysisToUpdate(PI, true));
#endif
}
/// getAnalysis<AnalysisType>() - This function is used by subclasses to get
@ -201,15 +210,20 @@ AnalysisType *Pass::getAnalysisToUpdate() const {
///
template<typename AnalysisType>
AnalysisType &Pass::getAnalysis() const {
#ifdef USE_OLD_PASSMANAGER
assert(Resolver && "Pass has not been inserted into a PassManager object!");
#else
assert(Resolver_New && "Pass has not been inserted into a PassManager object!");
#endif
const PassInfo *PI = getClassPassInfo<AnalysisType>();
return getAnalysisID<AnalysisType>(PI);
}
template<typename AnalysisType>
AnalysisType &Pass::getAnalysisID(const PassInfo *PI) const {
assert(Resolver && "Pass has not been inserted into a PassManager object!");
assert(PI && "getAnalysis for unregistered pass!");
#ifdef USE_OLD_PASSMANAGER
assert(Resolver && "Pass has not been inserted into a PassManager object!");
// PI *must* appear in AnalysisImpls. Because the number of passes used
// should be a small number, we just do a linear search over a (dense)
@ -224,7 +238,17 @@ AnalysisType &Pass::getAnalysisID(const PassInfo *PI) const {
break;
}
}
#else
assert(Resolver_New && "Pass has not been inserted into a PassManager object!");
// PI *must* appear in AnalysisImpls. Because the number of passes used
// should be a small number, we just do a linear search over a (dense)
// vector.
Pass *ResultPass = Resolver_New->findImplPass(PI);
assert (ResultPass &&
"getAnalysis*() called on an analysis that was not "
"'required' by pass!");
#endif
// Because the AnalysisType may not be a subclass of pass (for
// AnalysisGroups), we must use dynamic_cast here to potentially adjust the
// return pointer (because the class may multiply inherit, once from pass,