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()

static 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 0.

Definition at line 160 of file FastISel.cpp.

References MI.

getReturnAttrs()

static AttributeList getReturnAttrs ( FastISel::CallLoweringInfo &  CLI )

static

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

Definition at line 943 of file FastISel.cpp.

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

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

isRegUsedByPhiNodes()

static bool isRegUsedByPhiNodes ( Register  DefReg, FunctionLoweringInfo &  FuncInfo  )

static

Definition at line 177 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"
	)