ScheduleDAGSDNodes.cpp File Reference

#include "llvm/CodeGen/ScheduleDAGSDNodes.h"
#include "llvm/CodeGen/SelectionDAG.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetInstrInfo.h"
#include "llvm/Target/TargetRegisterInfo.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"

Include dependency graph for ScheduleDAGSDNodes.cpp:

Go to the source code of this file.

Defines
#define	DEBUG_TYPE   "pre-RA-sched"
Functions
static void	CheckForPhysRegDependency (SDNode *Def, SDNode *User, unsigned Op, const TargetRegisterInfo *TRI, const TargetInstrInfo *TII, unsigned &PhysReg, int &Cost)

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Define Documentation

#define DEBUG_TYPE   "pre-RA-sched"

Definition at line 15 of file ScheduleDAGSDNodes.cpp.

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Function Documentation

static void CheckForPhysRegDependency	(	SDNode *	Def,
		SDNode *	User,
		unsigned	Op,
		const TargetRegisterInfo *	TRI,
		const TargetInstrInfo *	TII,
		unsigned &	PhysReg,
		int &	Cost
	)			[static]

CheckForPhysRegDependency - Check if the dependency between def and use of a specified operand is a physical register dependency. If so, returns the register and the cost of copying the register.

Definition at line 43 of file ScheduleDAGSDNodes.cpp.

References llvm::ISD::CopyToReg, llvm::TargetInstrInfo::get(), llvm::TargetRegisterClass::getCopyCost(), llvm::SDNode::getMachineOpcode(), llvm::TargetInstrDesc::getNumDefs(), llvm::SDNode::getOpcode(), llvm::SDNode::getOperand(), llvm::TargetRegisterInfo::getPhysicalRegisterRegClass(), llvm::SDValue::getResNo(), llvm::SDNode::getValueType(), II, llvm::TargetInstrDesc::ImplicitDefs, llvm::SDNode::isMachineOpcode(), llvm::TargetRegisterInfo::isVirtualRegister(), and Reg.