FastISel.cpp File Reference

#include "llvm/CodeGen/FastISel.h"
#include "llvm/ADT/APFloat.h"
#include "llvm/ADT/APSInt.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/Analysis/BranchProbabilityInfo.h"
#include "llvm/Analysis/TargetLibraryInfo.h"
#include "llvm/CodeGen/Analysis.h"
#include "llvm/CodeGen/FunctionLoweringInfo.h"
#include "llvm/CodeGen/ISDOpcodes.h"
#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineMemOperand.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/CodeGen/MachineOperand.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/StackMaps.h"
#include "llvm/CodeGen/TargetInstrInfo.h"
#include "llvm/CodeGen/TargetLowering.h"
#include "llvm/CodeGen/TargetSubtargetInfo.h"
#include "llvm/CodeGen/ValueTypes.h"
#include "llvm/CodeGenTypes/MachineValueType.h"
#include "llvm/IR/Argument.h"
#include "llvm/IR/Attributes.h"
#include "llvm/IR/BasicBlock.h"
#include "llvm/IR/CallingConv.h"
#include "llvm/IR/Constant.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/DebugLoc.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/DiagnosticInfo.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/GetElementPtrTypeIterator.h"
#include "llvm/IR/GlobalValue.h"
#include "llvm/IR/InlineAsm.h"
#include "llvm/IR/InstrTypes.h"
#include "llvm/IR/Instruction.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/Mangler.h"
#include "llvm/IR/Metadata.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/Operator.h"
#include "llvm/IR/PatternMatch.h"
#include "llvm/IR/Type.h"
#include "llvm/IR/User.h"
#include "llvm/IR/Value.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCInstrDesc.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetOptions.h"
#include <cassert>
#include <cstdint>
#include <iterator>
#include <optional>
#include <utility>

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "isel"

Functions
	STATISTIC (NumFastIselSuccessIndependent, "Number of insts selected by " "target-independent selector")
	STATISTIC (NumFastIselSuccessTarget, "Number of insts selected by " "target-specific selector")
	STATISTIC (NumFastIselDead, "Number of dead insts removed on failure")
static Register	findLocalRegDef (MachineInstr &MI)
	Return the defined register if this instruction defines exactly one virtual register and uses no other virtual registers.
static bool	isRegUsedByPhiNodes (Register DefReg, FunctionLoweringInfo &FuncInfo)
static AttributeList	getReturnAttrs (FastISel::CallLoweringInfo &CLI)
	Returns an AttributeList representing the attributes applied to the return value of the given call.

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "isel"

Definition at line 113 of file FastISel.cpp.

Function Documentation

findLocalRegDef()

Register findLocalRegDef ( MachineInstr & MI )

static

Return the defined register if this instruction defines exactly one virtual register and uses no other virtual registers.

Otherwise return Register();

Definition at line 161 of file FastISel.cpp.

References MI, and Register.

getReturnAttrs()

AttributeList getReturnAttrs ( FastISel::CallLoweringInfo & CLI )

static

Returns an AttributeList representing the attributes applied to the return value of the given call.

Definition at line 942 of file FastISel.cpp.

References llvm::Type::getContext(), llvm::FastISel::CallLoweringInfo::IsInReg, llvm::FastISel::CallLoweringInfo::RetSExt, llvm::FastISel::CallLoweringInfo::RetTy, and llvm::FastISel::CallLoweringInfo::RetZExt.

Referenced by llvm::TargetLowering::LowerCallTo(), and llvm::FastISel::lowerCallTo().

isRegUsedByPhiNodes()

bool isRegUsedByPhiNodes ( Register DefReg, FunctionLoweringInfo & FuncInfo )

static

Definition at line 178 of file FastISel.cpp.

References P, and llvm::FunctionLoweringInfo::PHINodesToUpdate.

STATISTIC() [1/3]

STATISTIC	(	NumFastIselDead	,
		"Number of dead insts removed on failure"	)

STATISTIC() [2/3]

STATISTIC	(	NumFastIselSuccessIndependent	,
		"Number of insts selected by " "target-independent selector"	)

STATISTIC() [3/3]

STATISTIC	(	NumFastIselSuccessTarget	,
		"Number of insts selected by " "target-specific selector"	)