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[MachineCopyPropagation] Minor clang-formatting. NFC

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llvm-svn: 342700
This commit is contained in:
Justin Bogner 2018-09-21 00:08:33 +00:00
parent 52acbfa5ef
commit 3084f13b69
1 changed files with 37 additions and 37 deletions
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74
lib/CodeGen/MachineCopyPropagation.cpp
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@ -78,54 +78,54 @@ using RegList = SmallVector<unsigned, 4>;
using SourceMap = DenseMap<unsigned, RegList>;
using Reg2MIMap = DenseMap<unsigned, MachineInstr *>;
class MachineCopyPropagation : public MachineFunctionPass {
const TargetRegisterInfo *TRI;
const TargetInstrInfo *TII;
const MachineRegisterInfo *MRI;
class MachineCopyPropagation : public MachineFunctionPass {
const TargetRegisterInfo *TRI;
const TargetInstrInfo *TII;
const MachineRegisterInfo *MRI;
public:
static char ID; // Pass identification, replacement for typeid
public:
static char ID; // Pass identification, replacement for typeid
MachineCopyPropagation() : MachineFunctionPass(ID) {
initializeMachineCopyPropagationPass(*PassRegistry::getPassRegistry());
}
MachineCopyPropagation() : MachineFunctionPass(ID) {
initializeMachineCopyPropagationPass(*PassRegistry::getPassRegistry());
}
void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.setPreservesCFG();
MachineFunctionPass::getAnalysisUsage(AU);
}
void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.setPreservesCFG();
MachineFunctionPass::getAnalysisUsage(AU);
}
bool runOnMachineFunction(MachineFunction &MF) override;
bool runOnMachineFunction(MachineFunction &MF) override;
MachineFunctionProperties getRequiredProperties() const override {
return MachineFunctionProperties().set(
MachineFunctionProperties::Property::NoVRegs);
}
MachineFunctionProperties getRequiredProperties() const override {
return MachineFunctionProperties().set(
MachineFunctionProperties::Property::NoVRegs);
}
private:
void ClobberRegister(unsigned Reg);
void ReadRegister(unsigned Reg);
void CopyPropagateBlock(MachineBasicBlock &MBB);
bool eraseIfRedundant(MachineInstr &Copy, unsigned Src, unsigned Def);
void forwardUses(MachineInstr &MI);
bool isForwardableRegClassCopy(const MachineInstr &Copy,
const MachineInstr &UseI, unsigned UseIdx);
bool hasImplicitOverlap(const MachineInstr &MI, const MachineOperand &Use);
private:
void ClobberRegister(unsigned Reg);
void ReadRegister(unsigned Reg);
void CopyPropagateBlock(MachineBasicBlock &MBB);
bool eraseIfRedundant(MachineInstr &Copy, unsigned Src, unsigned Def);
void forwardUses(MachineInstr &MI);
bool isForwardableRegClassCopy(const MachineInstr &Copy,
const MachineInstr &UseI, unsigned UseIdx);
bool hasImplicitOverlap(const MachineInstr &MI, const MachineOperand &Use);
/// Candidates for deletion.
SmallSetVector<MachineInstr*, 8> MaybeDeadCopies;
/// Candidates for deletion.
SmallSetVector<MachineInstr *, 8> MaybeDeadCopies;
/// Def -> available copies map.
Reg2MIMap AvailCopyMap;
/// Def -> available copies map.
Reg2MIMap AvailCopyMap;
/// Def -> copies map.
Reg2MIMap CopyMap;
/// Def -> copies map.
Reg2MIMap CopyMap;
/// Src -> Def map
SourceMap SrcMap;
/// Src -> Def map
SourceMap SrcMap;
bool Changed;
};
bool Changed;
};
} // end anonymous namespace