Armv6 introduced instructions to perform 32-bit SIMD operations. More...

#include "ARM.h"
#include "ARMSubtarget.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/Analysis/AssumptionCache.h"
#include "llvm/Analysis/GlobalsModRef.h"
#include "llvm/Analysis/LoopAccessAnalysis.h"
#include "llvm/Analysis/TargetLibraryInfo.h"
#include "llvm/CodeGen/TargetPassConfig.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/IntrinsicsARM.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/NoFolder.h"
#include "llvm/IR/PatternMatch.h"
#include "llvm/Pass.h"
#include "llvm/Support/Debug.h"
#include "llvm/Transforms/Scalar.h"
#include "llvm/Transforms/Utils/BasicBlockUtils.h"

Macros
#define	DEBUG_TYPE "arm-parallel-dsp"

Functions
	STATISTIC (NumSMLAD, "Number of smlad instructions generated")
	INITIALIZE_PASS_BEGIN (ARMParallelDSP, "arm-parallel-dsp", "Transform functions to use DSP intrinsics", false, false) INITIALIZE_PASS_END(ARMParallelDSP

Variables
static cl::opt< bool >	DisableParallelDSP ("disable-arm-parallel-dsp", cl::Hidden, cl::init(false), cl::desc("Disable the ARM Parallel DSP pass"))
static cl::opt< unsigned >	NumLoadLimit ("arm-parallel-dsp-load-limit", cl::Hidden, cl::init(16), cl::desc("Limit the number of loads analysed"))
arm parallel	dsp
arm parallel Transform functions to use DSP	intrinsics
arm parallel Transform functions to use DSP	false

Detailed Description

Armv6 introduced instructions to perform 32-bit SIMD operations.

The purpose of this pass is do some IR pattern matching to create ACLE DSP intrinsics, which map on these 32-bit SIMD operations. This pass runs only when unaligned accesses is supported/enabled.

Definition in file ARMParallelDSP.cpp.

Macro Definition Documentation

◆ DEBUG_TYPE

#define DEBUG_TYPE "arm-parallel-dsp"

Definition at line 41 of file ARMParallelDSP.cpp.

Function Documentation

◆ INITIALIZE_PASS_BEGIN()

INITIALIZE_PASS_BEGIN	(	ARMParallelDSP	,
		"arm-parallel-dsp"	,
		"Transform functions to use DSP intrinsics"	,
		false	,
		false	)

◆ STATISTIC()

STATISTIC	(	NumSMLAD	,
		"Number of smlad instructions generated"	)

Variable Documentation

◆ DisableParallelDSP

cl::opt< bool > DisableParallelDSP("disable-arm-parallel-dsp", cl::Hidden, cl::init(false), cl::desc("Disable the ARM Parallel DSP pass"))	(	"disable-arm-parallel-dsp"	,
		cl::Hidden	,
		cl::init(false)	,
		cl::desc("Disable the ARM Parallel DSP pass")	)

static

◆ dsp

arm parallel dsp

Definition at line 816 of file ARMParallelDSP.cpp.

◆ false

arm parallel Transform functions to use DSP false

Definition at line 817 of file ARMParallelDSP.cpp.

◆ intrinsics

arm parallel Transform functions to use DSP intrinsics