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Tidy up PMStack. Add a bunch of consts, use std::vector instead of
std::deque, since this is a stack and only supports push/pop on one end, and remove an unimplemented declaration. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110495 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -19,6 +19,7 @@
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#include "llvm/Pass.h"
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#include "llvm/PassManagers.h"
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#include "llvm/Function.h"
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#include <deque>
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namespace llvm {
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@ -18,7 +18,7 @@
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/ADT/SmallPtrSet.h"
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#include "llvm/ADT/DenseMap.h"
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#include <deque>
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#include <vector>
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#include <map>
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//===----------------------------------------------------------------------===//
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@ -138,30 +138,28 @@ public:
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//===----------------------------------------------------------------------===//
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// PMStack
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//
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/// PMStack
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/// PMStack - This class implements a stack data structure of PMDataManager
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/// pointers.
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///
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/// Top level pass managers (see PassManager.cpp) maintain active Pass Managers
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/// using PMStack. Each Pass implements assignPassManager() to connect itself
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/// with appropriate manager. assignPassManager() walks PMStack to find
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/// suitable manager.
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///
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/// PMStack is just a wrapper around standard deque that overrides pop() and
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/// push() methods.
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class PMStack {
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public:
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typedef std::deque<PMDataManager *>::reverse_iterator iterator;
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iterator begin() { return S.rbegin(); }
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iterator end() { return S.rend(); }
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void handleLastUserOverflow();
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typedef std::vector<PMDataManager *>::const_reverse_iterator iterator;
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iterator begin() const { return S.rbegin(); }
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iterator end() const { return S.rend(); }
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void pop();
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inline PMDataManager *top() { return S.back(); }
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PMDataManager *top() const { return S.back(); }
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void push(PMDataManager *PM);
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inline bool empty() { return S.empty(); }
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bool empty() const { return S.empty(); }
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void dump() const;
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void dump();
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private:
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std::deque<PMDataManager *> S;
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std::vector<PMDataManager *> S;
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};
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