AArch64FastISel.cpp File Reference

#include "AArch64.h"
#include "AArch64Subtarget.h"
#include "AArch64TargetMachine.h"
#include "MCTargetDesc/AArch64AddressingModes.h"
#include "llvm/Analysis/BranchProbabilityInfo.h"
#include "llvm/CodeGen/CallingConvLower.h"
#include "llvm/CodeGen/FastISel.h"
#include "llvm/CodeGen/FunctionLoweringInfo.h"
#include "llvm/CodeGen/MachineConstantPool.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/IR/CallingConv.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/GetElementPtrTypeIterator.h"
#include "llvm/IR/GlobalAlias.h"
#include "llvm/IR/GlobalVariable.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/Operator.h"
#include "llvm/Support/CommandLine.h"
#include "AArch64GenFastISel.inc"
#include "AArch64GenCallingConv.inc"

Include dependency graph for AArch64FastISel.cpp:

Go to the source code of this file.

Namespaces
namespace	llvm
	List of target independent CodeGen pass IDs.
Functions
static bool	isMulPowOf2 (const Value *I)
	Check if the multiply is by a power-of-2 constant.
static AArch64CC::CondCode	getCompareCC (CmpInst::Predicate Pred)
static bool	canFoldZeroCheckIntoBranch (const CmpInst *CI)
	Check if the comparison against zero and the following branch can be folded into a single instruction (CBZ or CBNZ).

---

Function Documentation

static bool canFoldZeroCheckIntoBranch

(

const CmpInst *

CI

)

[static]

Check if the comparison against zero and the following branch can be folded into a single instruction (CBZ or CBNZ).

Definition at line 1863 of file AArch64FastISel.cpp.

References getBitWidth(), llvm::User::getOperand(), llvm::CmpInst::getPredicate(), llvm::Value::getType(), llvm::CmpInst::ICMP_EQ, llvm::CmpInst::ICMP_NE, llvm::Type::isIntegerTy(), and llvm::Constant::isNullValue().

static AArch64CC::CondCode getCompareCC

(

CmpInst::Predicate

Pred

)

[static]

Definition at line 1815 of file AArch64FastISel.cpp.

References llvm::AArch64CC::AL, llvm::AArch64CC::EQ, llvm::CmpInst::FCMP_OEQ, llvm::CmpInst::FCMP_OGE, llvm::CmpInst::FCMP_OGT, llvm::CmpInst::FCMP_OLE, llvm::CmpInst::FCMP_OLT, llvm::CmpInst::FCMP_ONE, llvm::CmpInst::FCMP_ORD, llvm::CmpInst::FCMP_UEQ, llvm::CmpInst::FCMP_UGE, llvm::CmpInst::FCMP_UGT, llvm::CmpInst::FCMP_ULE, llvm::CmpInst::FCMP_ULT, llvm::CmpInst::FCMP_UNE, llvm::CmpInst::FCMP_UNO, llvm::AArch64CC::GE, llvm::AArch64CC::GT, llvm::AArch64CC::HI, llvm::AArch64CC::HS, llvm::CmpInst::ICMP_EQ, llvm::CmpInst::ICMP_NE, llvm::CmpInst::ICMP_SGE, llvm::CmpInst::ICMP_SGT, llvm::CmpInst::ICMP_SLE, llvm::CmpInst::ICMP_SLT, llvm::CmpInst::ICMP_UGE, llvm::CmpInst::ICMP_UGT, llvm::CmpInst::ICMP_ULE, llvm::CmpInst::ICMP_ULT, llvm::AArch64CC::LE, llvm::AArch64CC::LO, llvm::AArch64CC::LS, llvm::AArch64CC::LT, llvm::AArch64CC::MI, llvm::AArch64CC::NE, llvm::AArch64CC::PL, llvm::AArch64CC::VC, and llvm::AArch64CC::VS.

static bool isMulPowOf2

(

const Value *

I

)

[static]

Check if the multiply is by a power-of-2 constant.

Definition at line 430 of file AArch64FastISel.cpp.

References llvm::AArch64CC::MI.