| MachineBlockFrequencyInfo.h (226890) | MachineBlockFrequencyInfo.h (235633) |
|---|---|
| 1//====----- MachineBlockFrequencyInfo.h - MachineBlock Frequency Analysis ----====// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// --- 6 unchanged lines hidden (view full) --- 15#define LLVM_CODEGEN_MACHINEBLOCKFREQUENCYINFO_H 16 17#include "llvm/CodeGen/MachineFunctionPass.h" 18#include "llvm/Support/BlockFrequency.h" 19#include <climits> 20 21namespace llvm { 22 | 1//====----- MachineBlockFrequencyInfo.h - MachineBlock Frequency Analysis ----====// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// --- 6 unchanged lines hidden (view full) --- 15#define LLVM_CODEGEN_MACHINEBLOCKFREQUENCYINFO_H 16 17#include "llvm/CodeGen/MachineFunctionPass.h" 18#include "llvm/Support/BlockFrequency.h" 19#include <climits> 20 21namespace llvm { 22 |
| 23class MachineBasicBlock; |
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| 23class MachineBranchProbabilityInfo; 24template<class BlockT, class FunctionT, class BranchProbInfoT> 25class BlockFrequencyImpl; 26 27/// MachineBlockFrequencyInfo pass uses BlockFrequencyImpl implementation to estimate 28/// machine basic block frequencies. 29class MachineBlockFrequencyInfo : public MachineFunctionPass { 30 | 24class MachineBranchProbabilityInfo; 25template<class BlockT, class FunctionT, class BranchProbInfoT> 26class BlockFrequencyImpl; 27 28/// MachineBlockFrequencyInfo pass uses BlockFrequencyImpl implementation to estimate 29/// machine basic block frequencies. 30class MachineBlockFrequencyInfo : public MachineFunctionPass { 31 |
| 31 BlockFrequencyImpl<MachineBasicBlock, MachineFunction, MachineBranchProbabilityInfo> *MBFI; | 32 BlockFrequencyImpl |
| 32 33public: 34 static char ID; 35 36 MachineBlockFrequencyInfo(); 37 38 ~MachineBlockFrequencyInfo(); 39 40 void getAnalysisUsage(AnalysisUsage &AU) const; 41 42 bool runOnMachineFunction(MachineFunction &F); 43 44 /// getblockFreq - Return block frequency. Return 0 if we don't have the 45 /// information. Please note that initial frequency is equal to 1024. It means 46 /// that we should not rely on the value itself, but only on the comparison to 47 /// the other block frequencies. We do this to avoid using of floating points. 48 /// | 34 35public: 36 static char ID; 37 38 MachineBlockFrequencyInfo(); 39 40 ~MachineBlockFrequencyInfo(); 41 42 void getAnalysisUsage(AnalysisUsage &AU) const; 43 44 bool runOnMachineFunction(MachineFunction &F); 45 46 /// getblockFreq - Return block frequency. Return 0 if we don't have the 47 /// information. Please note that initial frequency is equal to 1024. It means 48 /// that we should not rely on the value itself, but only on the comparison to 49 /// the other block frequencies. We do this to avoid using of floating points. 50 /// |
| 49 BlockFrequency getBlockFreq(MachineBasicBlock *MBB) const; | 51 BlockFrequency getBlockFreq(const MachineBasicBlock *MBB) const; |
| 50}; 51 52} 53 54#endif | 52}; 53 54} 55 56#endif |