AArch64StackTagging.cpp File Reference

#include "AArch64.h"
#include "AArch64InstrInfo.h"
#include "AArch64Subtarget.h"
#include "AArch64TargetMachine.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/DepthFirstIterator.h"
#include "llvm/ADT/MapVector.h"
#include "llvm/ADT/None.h"
#include "llvm/ADT/Optional.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/Analysis/CFG.h"
#include "llvm/Analysis/LoopInfo.h"
#include "llvm/Analysis/ScalarEvolution.h"
#include "llvm/Analysis/ScalarEvolutionExpressions.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/CodeGen/LiveRegUnits.h"
#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineLoopInfo.h"
#include "llvm/CodeGen/MachineOperand.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/TargetPassConfig.h"
#include "llvm/CodeGen/TargetRegisterInfo.h"
#include "llvm/IR/DebugLoc.h"
#include "llvm/IR/Dominators.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/GetElementPtrTypeIterator.h"
#include "llvm/IR/Instruction.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/Metadata.h"
#include "llvm/Pass.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Transforms/Utils/Local.h"
#include <cassert>
#include <iterator>
#include <utility>

Include dependency graph for AArch64StackTagging.cpp:

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "stack-tagging"

Functions
	INITIALIZE_PASS_BEGIN (AArch64StackTagging, DEBUG_TYPE, "AArch64 Stack Tagging", false, false) INITIALIZE_PASS_END(AArch64StackTagging
static bool	postDominates (const PostDominatorTree *PDT, const IntrinsicInst *A, const IntrinsicInst *B)

Variables
static cl::opt< bool >	ClMergeInit ("stack-tagging-merge-init", cl::Hidden, cl::init(true), cl::ZeroOrMore, cl::desc("merge stack variable initializers with tagging when possible"))
static cl::opt< unsigned >	ClScanLimit ("stack-tagging-merge-init-scan-limit", cl::init(40), cl::Hidden)
static const Align	kTagGranuleSize = Align(16)
	DEBUG_TYPE
AArch64 Stack	Tagging
AArch64 Stack	false

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "stack-tagging"

Definition at line 57 of file AArch64StackTagging.cpp.

Function Documentation

INITIALIZE_PASS_BEGIN()

INITIALIZE_PASS_BEGIN	(	AArch64StackTagging	,
		DEBUG_TYPE	,
		"AArch64 Stack Tagging"	,
		false	,
		false
	)

postDominates()

static bool postDominates ( const PostDominatorTree *  PDT, const IntrinsicInst *  A, const IntrinsicInst *  B  )

static

Definition at line 496 of file AArch64StackTagging.cpp.

References llvm::alignTo(), assert(), llvm::IRBuilder< T, Inserter >::CreateCall(), llvm::IRBuilder< T, Inserter >::CreatePointerCast(), llvm::DominatorTree::dominates(), llvm::DominatorTreeBase< NodeT, IsPostDom >::dominates(), llvm::dyn_cast(), llvm::SmallVectorBase::empty(), llvm::MapVector< KeyT, ValueT, MapType, VectorType >::empty(), llvm::Instruction::eraseFromParent(), llvm::findAllocaForValue(), llvm::ConstantInt::get(), llvm::MetadataAsValue::get(), llvm::LocalAsMetadata::get(), llvm::CallBase::getArgOperand(), llvm::Module::getDataLayout(), llvm::Intrinsic::getDeclaration(), llvm::IRBuilderBase::GetInsertPoint(), llvm::IRBuilderBase::getInt64Ty(), llvm::IRBuilderBase::getInt8PtrTy(), llvm::ilist_node_with_parent< NodeTy, ParentTy, Options >::getNextNode(), llvm::Constant::getNullValue(), llvm::Instruction::getParent(), llvm::GlobalValue::getParent(), llvm::Function::hasFnAttribute(), I, llvm::isPotentiallyReachable(), IT, llvm_unreachable, P, llvm::SmallVectorTemplateBase< T >::push_back(), runOnFunction(), llvm::Value::setName(), Size, and llvm::SmallVectorBase::size().

Variable Documentation

ClMergeInit

cl::opt<bool> ClMergeInit("stack-tagging-merge-init", cl::Hidden, cl::init(true), cl::ZeroOrMore, cl::desc("merge stack variable initializers with tagging when possible"))

static

ClScanLimit

cl::opt<unsigned> ClScanLimit("stack-tagging-merge-init-scan-limit", cl::init(40), cl::Hidden)

static

Referenced by llvm::createAArch64StackTaggingPass().

DEBUG_TYPE

DEBUG_TYPE

Definition at line 325 of file AArch64StackTagging.cpp.

false

AArch64 Stack false

Definition at line 325 of file AArch64StackTagging.cpp.

kTagGranuleSize

const Align kTagGranuleSize = Align(16)

static

Definition at line 66 of file AArch64StackTagging.cpp.

Tagging

AArch64 Stack Tagging

Definition at line 325 of file AArch64StackTagging.cpp.