SILowerWWMCopies.cpp File Reference

Lowering the WWM_COPY instructions for various register classes. More...

#include "SILowerWWMCopies.h"
#include "AMDGPU.h"
#include "GCNSubtarget.h"
#include "MCTargetDesc/AMDGPUMCTargetDesc.h"
#include "SIMachineFunctionInfo.h"
#include "llvm/CodeGen/LiveIntervals.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/VirtRegMap.h"
#include "llvm/InitializePasses.h"

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "si-lower-wwm-copies"

Functions
	INITIALIZE_PASS_BEGIN (SILowerWWMCopiesLegacy, DEBUG_TYPE, "SI Lower WWM Copies", false, false) INITIALIZE_PASS_END(SILowerWWMCopiesLegacy

Variables
	DEBUG_TYPE
SI Lower WWM	Copies
SI Lower WWM	false

Detailed Description

Lowering the WWM_COPY instructions for various register classes.

AMDGPU target generates WWM_COPY instruction to differentiate WWM copy from COPY. This pass generates the necessary exec mask manipulation instructions to replicate 'Whole Wave Mode' and lowers WWM_COPY back to COPY.

Definition in file SILowerWWMCopies.cpp.

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "si-lower-wwm-copies"

Definition at line 30 of file SILowerWWMCopies.cpp.

Function Documentation

INITIALIZE_PASS_BEGIN()

INITIALIZE_PASS_BEGIN	(	SILowerWWMCopiesLegacy	,
		DEBUG_TYPE	,
		"SI Lower WWM Copies"	,
		false	,
		false	)

References DEBUG_TYPE, and INITIALIZE_PASS_DEPENDENCY.

Variable Documentation

Copies

SI Lower WWM Copies

Definition at line 79 of file SILowerWWMCopies.cpp.

DEBUG_TYPE

DEBUG_TYPE

Definition at line 79 of file SILowerWWMCopies.cpp.

false

SI Lower WWM false

Definition at line 80 of file SILowerWWMCopies.cpp.