llvm::OptLevelChanger Class Reference

This class is used by SelectionDAGISel to temporarily override the optimization level on a per-function basis. More...

Public Member Functions
	OptLevelChanger (SelectionDAGISel &ISel, CodeGenOptLevel NewOptLevel)
	~OptLevelChanger ()

Detailed Description

This class is used by SelectionDAGISel to temporarily override the optimization level on a per-function basis.

Definition at line 237 of file SelectionDAGISel.cpp.

Constructor & Destructor Documentation

OptLevelChanger()

llvm::OptLevelChanger::OptLevelChanger ( SelectionDAGISel &  ISel, CodeGenOptLevel  NewOptLevel  )

inline

Definition at line 243 of file SelectionDAGISel.cpp.

References llvm::dbgs(), dontUseFastISelFor(), llvm::TargetOptions::EnableFastISel, llvm::MachineFunction::getFunction(), llvm::Value::getName(), llvm::TargetMachine::getO0WantsFastISel(), LLVM_DEBUG, llvm::SelectionDAGISel::MF, llvm::None, llvm::TargetMachine::Options, llvm::SelectionDAGISel::OptLevel, llvm::TargetMachine::setFastISel(), llvm::TargetMachine::setOptLevel(), and llvm::SelectionDAGISel::TM.

~OptLevelChanger()

llvm::OptLevelChanger::~OptLevelChanger ( )

inline

Definition at line 266 of file SelectionDAGISel.cpp.

References llvm::dbgs(), llvm::MachineFunction::getFunction(), llvm::Value::getName(), LLVM_DEBUG, llvm::SelectionDAGISel::MF, llvm::SelectionDAGISel::OptLevel, llvm::TargetMachine::setFastISel(), llvm::TargetMachine::setOptLevel(), and llvm::SelectionDAGISel::TM.

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The documentation for this class was generated from the following file:

• lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp