GCNILPSched.cpp File Reference

#include "llvm/CodeGen/ScheduleDAG.h"

Go to the source code of this file.

Namespaces
namespace	llvm
	This is an optimization pass for GlobalISel generic memory operations.

Macros
#define	DEBUG_TYPE   "machine-scheduler"

Functions
static unsigned	CalcNodeSethiUllmanNumber (const SUnit *SU, std::vector< unsigned > &SUNumbers)
	CalcNodeSethiUllmanNumber - Compute Sethi Ullman number.
static unsigned	closestSucc (const SUnit *SU)
	closestSucc - Returns the scheduled cycle of the successor which is closest to the current cycle.
static unsigned	calcMaxScratches (const SUnit *SU)
	calcMaxScratches - Returns an cost estimate of the worse case requirement for scratch registers, i.e.
static int	BUCompareLatency (const SUnit *left, const SUnit *right)
std::vector< const SUnit * >	llvm::makeGCNILPScheduler (ArrayRef< const SUnit * > BotRoots, const ScheduleDAG &DAG)

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "machine-scheduler"

Definition at line 17 of file GCNILPSched.cpp.

Function Documentation

BUCompareLatency()

static int BUCompareLatency ( const SUnit *  left, const SUnit *  right  )

static

Definition at line 132 of file GCNILPSched.cpp.

References llvm::dbgs(), llvm::SUnit::getDepth(), llvm::SUnit::getHeight(), llvm::SUnit::Latency, LLVM_DEBUG, and llvm::SUnit::NodeNum.

calcMaxScratches()

static unsigned calcMaxScratches ( const SUnit *  SU )

static

calcMaxScratches - Returns an cost estimate of the worse case requirement for scratch registers, i.e.

number of data dependencies.

Definition at line 121 of file GCNILPSched.cpp.

References llvm::SDep::isCtrl(), and llvm::SUnit::Preds.

CalcNodeSethiUllmanNumber()

static unsigned CalcNodeSethiUllmanNumber ( const SUnit *  SU, std::vector< unsigned > &  SUNumbers  )

static

CalcNodeSethiUllmanNumber - Compute Sethi Ullman number.

Smaller number is the higher priority.

Definition at line 58 of file GCNILPSched.cpp.

References CalcNodeSethiUllmanNumber(), llvm::SDep::getSUnit(), llvm::SDep::isCtrl(), llvm::SUnit::NodeNum, and llvm::SUnit::Preds.

Referenced by CalcNodeSethiUllmanNumber().

closestSucc()

static unsigned closestSucc ( const SUnit *  SU )

static

closestSucc - Returns the scheduled cycle of the successor which is closest to the current cycle.

Definition at line 106 of file GCNILPSched.cpp.

References llvm::SUnit::getHeight(), llvm::SDep::getSUnit(), llvm::SDep::isCtrl(), and llvm::SUnit::Succs.