PreISelIntrinsicLowering.cpp File Reference

#include "llvm/CodeGen/PreISelIntrinsicLowering.h"
#include "llvm/Analysis/ObjCARCInstKind.h"
#include "llvm/Analysis/ObjCARCUtil.h"
#include "llvm/Analysis/TargetLibraryInfo.h"
#include "llvm/Analysis/TargetTransformInfo.h"
#include "llvm/CodeGen/ExpandVectorPredication.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/CodeGen/TargetLowering.h"
#include "llvm/CodeGen/TargetPassConfig.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/Type.h"
#include "llvm/IR/Use.h"
#include "llvm/InitializePasses.h"
#include "llvm/Pass.h"
#include "llvm/Support/Casting.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Transforms/Scalar/LowerConstantIntrinsics.h"
#include "llvm/Transforms/Utils/LowerMemIntrinsics.h"
#include "llvm/Transforms/Utils/LowerVectorIntrinsics.h"
#include "llvm/IR/VPIntrinsics.def"

Go to the source code of this file.

Macros
#define	BEGIN_REGISTER_VP_INTRINSIC(VPID, MASKPOS, VLENPOS)    case Intrinsic::VPID:

Functions
template<class T >
static bool	forEachCall (Function &Intrin, T Callback)
static bool	lowerLoadRelative (Function &F)
static CallInst::TailCallKind	getOverridingTailCallKind (const Function &F)
static bool	lowerObjCCall (Function &F, const char *NewFn, bool setNonLazyBind=false)
static bool	canEmitLibcall (const TargetMachine *TM, Function *F, RTLIB::Libcall LC)
	INITIALIZE_PASS_BEGIN (PreISelIntrinsicLoweringLegacyPass, "pre-isel-intrinsic-lowering", "Pre-ISel Intrinsic Lowering", false, false) INITIALIZE_PASS_END(PreISelIntrinsicLoweringLegacyPass

Variables
static cl::opt< int64_t >	MemIntrinsicExpandSizeThresholdOpt ("mem-intrinsic-expand-size", cl::desc("Set minimum mem intrinsic size to expand in IR"), cl::init(-1), cl::Hidden)
	Threshold to leave statically sized memory intrinsic calls.
pre isel intrinsic	lowering
pre isel intrinsic Pre ISel Intrinsic	Lowering
pre isel intrinsic Pre ISel Intrinsic	false

Macro Definition Documentation

BEGIN_REGISTER_VP_INTRINSIC

#define BEGIN_REGISTER_VP_INTRINSIC	(		VPID,
			MASKPOS,
			VLENPOS
	)		case Intrinsic::VPID:

Function Documentation

canEmitLibcall()

static bool canEmitLibcall ( const TargetMachine *  TM, Function *  F, RTLIB::Libcall  LC  )

static

Definition at line 227 of file PreISelIntrinsicLowering.cpp.

References llvm::TargetLoweringBase::getLibcallName().

forEachCall()

template<class T >

static bool forEachCall ( Function &  Intrin, T  Callback  )

static

Definition at line 76 of file PreISelIntrinsicLowering.cpp.

References llvm::Value::use_begin(), and llvm::Value::use_empty().

getOverridingTailCallKind()

static CallInst::TailCallKind getOverridingTailCallKind ( const Function &  F )

static

Definition at line 126 of file PreISelIntrinsicLowering.cpp.

References F, llvm::objcarc::GetFunctionClass(), llvm::objcarc::IsAlwaysTail(), llvm::objcarc::IsNeverTail(), llvm::CallInst::TCK_None, llvm::CallInst::TCK_NoTail, and llvm::CallInst::TCK_Tail.

Referenced by lowerObjCCall().

INITIALIZE_PASS_BEGIN()

INITIALIZE_PASS_BEGIN	(	PreISelIntrinsicLoweringLegacyPass	,
		"pre-isel-intrinsic-lowering"	,
		"Pre-ISel Intrinsic Lowering"	,
		false	,
		false
	)

lowerLoadRelative()

static bool lowerLoadRelative ( Function &  F )

static

Definition at line 97 of file PreISelIntrinsicLowering.cpp.

References B, F, llvm::Type::getInt32Ty(), and llvm::make_early_inc_range().

lowerObjCCall()

static bool lowerObjCCall ( Function &  F, const char *  NewFn, bool  setNonLazyBind = false  )

static

Definition at line 135 of file PreISelIntrinsicLowering.cpp.

References llvm::CallBase::addParamAttr(), assert(), llvm::IRBuilderBase::CreateCall(), F, llvm::AttributeList::FirstArgIndex, llvm::objcarc::getAttachedARCFunctionKind(), llvm::FunctionCallee::getCallee(), getOverridingTailCallKind(), llvm::make_early_inc_range(), llvm::IntrinsicInst::mayLowerToFunctionCall(), llvm::Value::setName(), setNonLazyBind(), and llvm::CallInst::setTailCallKind().

Variable Documentation

false

pre isel intrinsic Pre ISel Intrinsic false

Definition at line 515 of file PreISelIntrinsicLowering.cpp.

lowering

pre isel intrinsic lowering

Definition at line 514 of file PreISelIntrinsicLowering.cpp.

Lowering

pre isel intrinsic Pre ISel Intrinsic Lowering

Definition at line 515 of file PreISelIntrinsicLowering.cpp.

MemIntrinsicExpandSizeThresholdOpt

cl::opt< int64_t > MemIntrinsicExpandSizeThresholdOpt("mem-intrinsic-expand-size", cl::desc("Set minimum mem intrinsic size to expand in IR"), cl::init(-1), cl::Hidden) ( "mem-intrinsic-expand-size"  , cl::desc("Set minimum mem intrinsic size to expand in IR")  , cl::init(-1)  , cl::Hidden    )

static

Threshold to leave statically sized memory intrinsic calls.

Calls of known size larger than this will be expanded by the pass. Calls of unknown or lower size will be left for expansion in codegen.