Pass to temporarily raise the wave priority beginning the start of the shader function until its last VMEM instructions to allow younger waves to issue their VMEM instructions as well. More...

#include "AMDGPU.h"
#include "GCNSubtarget.h"
#include "SIInstrInfo.h"
#include "llvm/ADT/PostOrderIterator.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachinePassManager.h"

Macros
#define	DEBUG_TYPE "amdgpu-set-wave-priority"

Functions
static bool	CanLowerPriorityDirectlyInPredecessors (const MachineBasicBlock &MBB, MBBInfoSet &MBBInfos)
static bool	isVMEMLoad (const MachineInstr &MI)

Detailed Description

Pass to temporarily raise the wave priority beginning the start of the shader function until its last VMEM instructions to allow younger waves to issue their VMEM instructions as well.

Definition in file AMDGPUSetWavePriority.cpp.

Macro Definition Documentation

◆ DEBUG_TYPE

#define DEBUG_TYPE "amdgpu-set-wave-priority"

Definition at line 25 of file AMDGPUSetWavePriority.cpp.

Function Documentation

◆ CanLowerPriorityDirectlyInPredecessors()

bool CanLowerPriorityDirectlyInPredecessors	(	const MachineBasicBlock &	MBB,
		MBBInfoSet &	MBBInfos )

static

Definition at line 87 of file AMDGPUSetWavePriority.cpp.

References MBB, and Pred.

◆ isVMEMLoad()

bool isVMEMLoad ( const MachineInstr & MI )

static

Definition at line 100 of file AMDGPUSetWavePriority.cpp.

References llvm::SIInstrInfo::isVMEM(), and MI.