public:
AnalysisUsage() : PreservesAll(false) {}
- // addRequires - Add the specified ID to the required set of the usage info
+ // addRequired - Add the specified ID to the required set of the usage info
// for a pass.
//
- AnalysisUsage &addRequired(AnalysisID ID) {
+ AnalysisUsage &addRequiredID(AnalysisID ID) {
Required.push_back(ID);
return *this;
}
+ template<class PassClass>
+ AnalysisUsage &addRequired() {
+ assert(Pass::getClassPassInfo<PassClass>() && "Pass class not registered!");
+ Required.push_back(Pass::getClassPassInfo<PassClass>());
+ return *this;
+ }
- // addPreserves - Add the specified ID to the set of analyses preserved by
+ // addPreserved - Add the specified ID to the set of analyses preserved by
// this pass
//
- AnalysisUsage &addPreserved(AnalysisID ID) {
+ AnalysisUsage &addPreservedID(AnalysisID ID) {
Preserved.push_back(ID);
return *this;
}
- // PreservesAll - Set by analyses that do not transform their input at all
+ template<class PassClass>
+ AnalysisUsage &addPreserved() {
+ assert(Pass::getClassPassInfo<PassClass>() && "Pass class not registered!");
+ Preserved.push_back(Pass::getClassPassInfo<PassClass>());
+ return *this;
+ }
+
+ // setPreservesAll - Set by analyses that do not transform their input at all
void setPreservesAll() { PreservesAll = true; }
bool preservesAll() const { return PreservesAll; }
- // preservesCFG - This function should be called to by the pass, iff they do
- // not:
+ // preservesCFG - This function should be called by the pass, iff they do not:
//
// 1. Add or remove basic blocks from the function
// 2. Modify terminator instructions in any way.
struct AnalysisResolver {
virtual Pass *getAnalysisOrNullUp(AnalysisID ID) const = 0;
virtual Pass *getAnalysisOrNullDown(AnalysisID ID) const = 0;
- Pass *getAnalysis(AnalysisID ID) {
+ Pass *getAnalysis(AnalysisID ID) const {
Pass *Result = getAnalysisOrNullUp(ID);
assert(Result && "Pass has an incorrect analysis uses set!");
return Result;
}
// getAnalysisToUpdate - Return an analysis result or null if it doesn't exist
- Pass *getAnalysisToUpdate(AnalysisID ID) {
+ Pass *getAnalysisToUpdate(AnalysisID ID) const {
return getAnalysisOrNullUp(ID);
}
+ // Methods for introspecting into pass manager objects...
virtual unsigned getDepth() const = 0;
+ virtual unsigned getNumContainedPasses() const = 0;
+ virtual const Pass *getContainedPass(unsigned N) const = 0;
virtual void markPassUsed(AnalysisID P, Pass *User) = 0;