-//====-- MachineBlockFrequencyInfo.h - MBB Frequency Analysis -*- C++ -*--====//
+//===- MachineBlockFrequencyInfo.h - MBB Frequency Analysis -*- C++ -*-----===//
//
// The LLVM Compiler Infrastructure
//
class MachineBasicBlock;
class MachineBranchProbabilityInfo;
-template<class BlockT, class FunctionT, class BranchProbInfoT>
-class BlockFrequencyImpl;
+template <class BlockT> class BlockFrequencyInfoImpl;
-/// MachineBlockFrequencyInfo pass uses BlockFrequencyImpl implementation to estimate
-/// machine basic block frequencies.
+/// MachineBlockFrequencyInfo pass uses BlockFrequencyInfoImpl implementation
+/// to estimate machine basic block frequencies.
class MachineBlockFrequencyInfo : public MachineFunctionPass {
-
- BlockFrequencyImpl<MachineBasicBlock, MachineFunction,
- MachineBranchProbabilityInfo> *MBFI;
+ typedef BlockFrequencyInfoImpl<MachineBasicBlock> ImplType;
+ std::unique_ptr<ImplType> MBFI;
public:
static char ID;
MachineBlockFrequencyInfo();
- ~MachineBlockFrequencyInfo();
+ ~MachineBlockFrequencyInfo() override;
void getAnalysisUsage(AnalysisUsage &AU) const override;
bool runOnMachineFunction(MachineFunction &F) override;
+ void releaseMemory() override;
+
/// getblockFreq - Return block frequency. Return 0 if we don't have the
/// information. Please note that initial frequency is equal to 1024. It means
/// that we should not rely on the value itself, but only on the comparison to
///
BlockFrequency getBlockFreq(const MachineBasicBlock *MBB) const;
- MachineFunction *getFunction() const;
+ const MachineFunction *getFunction() const;
void view() const;
// Print the block frequency Freq to OS using the current functions entry