LLVM 22.0.0git
Macros | Functions | Variables
BPFTargetMachine.cpp File Reference
#include "BPFTargetMachine.h"
#include "BPF.h"
#include "BPFTargetLoweringObjectFile.h"
#include "BPFTargetTransformInfo.h"
#include "MCTargetDesc/BPFMCAsmInfo.h"
#include "TargetInfo/BPFTargetInfo.h"
#include "llvm/CodeGen/GlobalISel/IRTranslator.h"
#include "llvm/CodeGen/GlobalISel/InstructionSelect.h"
#include "llvm/CodeGen/GlobalISel/Legalizer.h"
#include "llvm/CodeGen/GlobalISel/RegBankSelect.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/CodeGen/TargetLoweringObjectFileImpl.h"
#include "llvm/CodeGen/TargetPassConfig.h"
#include "llvm/IR/PassManager.h"
#include "llvm/InitializePasses.h"
#include "llvm/MC/TargetRegistry.h"
#include "llvm/Passes/PassBuilder.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Target/TargetOptions.h"
#include "llvm/Transforms/Scalar.h"
#include "llvm/Transforms/Scalar/SimplifyCFG.h"
#include "llvm/Transforms/Utils/SimplifyCFGOptions.h"
#include <optional>
#include "llvm/Passes/TargetPassRegistry.inc"

Go to the source code of this file.

Macros

#define GET_PASS_REGISTRY   "BPFPassRegistry.def"
#define ADD_CLASS_PASS_TO_PASS_NAME(NAME, CREATE_PASS)
#define ADD_CLASS_PASS_TO_PASS_NAME_WITH_PARAMS(NAME, CLASS)
#define MODULE_ANALYSIS(NAME, CREATE_PASS)
#define MODULE_PASS(NAME, CREATE_PASS)
#define MODULE_PASS_WITH_PARAMS(NAME, CLASS, CREATE_PASS, PARSER, PARAMS)
#define FUNCTION_ANALYSIS(NAME, CREATE_PASS)
#define FUNCTION_ALIAS_ANALYSIS(NAME, CREATE_PASS)
#define FUNCTION_PASS(NAME, CREATE_PASS)
#define FUNCTION_PASS_WITH_PARAMS(NAME, CLASS, CREATE_PASS, PARSER, PARAMS)
#define LOOP_ANALYSIS(NAME, CREATE_PASS)
#define LOOP_PASS(NAME, CREATE_PASS)
#define MACHINE_FUNCTION_ANALYSIS(NAME, CREATE_PASS)
#define MACHINE_FUNCTION_PASS(NAME, CREATE_PASS)
#define MACHINE_FUNCTION_PASS_WITH_PARAMS(NAME, CLASS, CREATE_PASS, PARSER, PARAMS)
#define ADD_PASS(NAME, CREATE_PASS)
#define ADD_PASS_WITH_PARAMS(NAME, CREATE_PASS, PARSER)
#define MODULE_PASS(NAME, CREATE_PASS)
#define MODULE_PASS_WITH_PARAMS(NAME, CLASS, CREATE_PASS, PARSER, PARAMS)
#define FUNCTION_PASS(NAME, CREATE_PASS)
#define FUNCTION_PASS_WITH_PARAMS(NAME, CLASS, CREATE_PASS, PARSER, PARAMS)
#define LOOP_PASS(NAME, CREATE_PASS)
#define MACHINE_FUNCTION_PASS(NAME, CREATE_PASS)
#define MACHINE_FUNCTION_PASS_WITH_PARAMS(NAME, CLASS, CREATE_PASS, PARSER, PARAMS)
#define MODULE_ANALYSIS(NAME, CREATE_PASS)
#define FUNCTION_ANALYSIS(NAME, CREATE_PASS)
#define FUNCTION_ALIAS_ANALYSIS(NAME, CREATE_PASS)
#define LOOP_ANALYSIS(NAME, CREATE_PASS)
#define MACHINE_FUNCTION_ANALYSIS(NAME, CREATE_PASS)

Functions

LLVM_ABI LLVM_EXTERNAL_VISIBILITY void LLVMInitializeBPFTarget ()
static Reloc::Model getEffectiveRelocModel (std::optional< Reloc::Model > RM)
static Expected< bool > parseBPFPreserveStaticOffsetOptions (StringRef Params)

Variables

static cl::opt< bool > DisableMIPeephole ("disable-bpf-peephole", cl::Hidden, cl::desc("Disable machine peepholes for BPF"))
static cl::opt< bool > DisableCheckUnreachable ("bpf-disable-trap-unreachable", cl::Hidden, cl::desc("Disable Trap Unreachable for BPF"))

Macro Definition Documentation

◆ ADD_CLASS_PASS_TO_PASS_NAME

#define ADD_CLASS_PASS_TO_PASS_NAME ( NAME,
CREATE_PASS )
Value:
PIC->addClassToPassName(decltype(CREATE_PASS)::name(), NAME);
PIC
PassInstrumentationCallbacks PIC
Definition PassBuilderBindings.cpp:57
name
static const char * name
Definition SMEABIPass.cpp:52

◆ ADD_CLASS_PASS_TO_PASS_NAME_WITH_PARAMS

#define ADD_CLASS_PASS_TO_PASS_NAME_WITH_PARAMS ( NAME,
CLASS )
Value:
PIC->addClassToPassName(CLASS, NAME);

◆ ADD_PASS

#define ADD_PASS ( NAME,
CREATE_PASS )
Value:
if (Name == NAME) { \
PM.addPass(CREATE_PASS); \
return true; \
}

◆ ADD_PASS_WITH_PARAMS

#define ADD_PASS_WITH_PARAMS ( NAME,
CREATE_PASS,
PARSER )
Value:
if (PassBuilder::checkParametrizedPassName(Name, NAME)) { \
auto Params = PassBuilder::parsePassParameters(PARSER, Name, NAME); \
if (!Params) { \
errs() << NAME ": " << toString(Params.takeError()) << '\n'; \
return false; \
} \
PM.addPass(CREATE_PASS(Params.get())); \
return true; \
}
llvm::PassBuilder::checkParametrizedPassName
static bool checkParametrizedPassName(StringRef Name, StringRef PassName)
Definition PassBuilder.h:683
llvm::PassBuilder::parsePassParameters
static auto parsePassParameters(ParametersParseCallableT &&Parser, StringRef Name, StringRef PassName) -> decltype(Parser(StringRef{}))
This performs customized parsing of pass name with parameters.
Definition PassBuilder.h:708
llvm::toString
std::string toString(const APInt &I, unsigned Radix, bool Signed, bool formatAsCLiteral=false, bool UpperCase=true, bool InsertSeparators=false)
Definition StringExtras.h:344

◆ FUNCTION_ALIAS_ANALYSIS [1/2]

#define FUNCTION_ALIAS_ANALYSIS ( NAME,
CREATE_PASS )
Value:
ADD_CLASS_PASS_TO_PASS_NAME(NAME, CREATE_PASS)
ADD_CLASS_PASS_TO_PASS_NAME
#define ADD_CLASS_PASS_TO_PASS_NAME(NAME, CREATE_PASS)

◆ FUNCTION_ALIAS_ANALYSIS [2/2]

#define FUNCTION_ALIAS_ANALYSIS ( NAME,
CREATE_PASS )
Value:
if (Name == NAME) { \
AM.registerFunctionAnalysis< \
std::remove_reference_t<decltype(CREATE_PASS)>>(); \
return true; \
}

◆ FUNCTION_ANALYSIS [1/2]

#define FUNCTION_ANALYSIS ( NAME,
CREATE_PASS )
Value:
ADD_CLASS_PASS_TO_PASS_NAME(NAME, CREATE_PASS)

◆ FUNCTION_ANALYSIS [2/2]

#define FUNCTION_ANALYSIS ( NAME,
CREATE_PASS )
Value:
AM.registerPass([&] { return CREATE_PASS; });

◆ FUNCTION_PASS [1/2]

#define FUNCTION_PASS ( NAME,
CREATE_PASS )
Value:
ADD_CLASS_PASS_TO_PASS_NAME(NAME, CREATE_PASS)

◆ FUNCTION_PASS [2/2]

#define FUNCTION_PASS ( NAME,
CREATE_PASS )
Value:
ADD_PASS(NAME, CREATE_PASS)
ADD_PASS
#define ADD_PASS(NAME, CREATE_PASS)

◆ FUNCTION_PASS_WITH_PARAMS [1/2]

#define FUNCTION_PASS_WITH_PARAMS ( NAME,
CLASS,
CREATE_PASS,
PARSER,
PARAMS )
Value:
ADD_CLASS_PASS_TO_PASS_NAME_WITH_PARAMS(NAME, CLASS)
ADD_CLASS_PASS_TO_PASS_NAME_WITH_PARAMS
#define ADD_CLASS_PASS_TO_PASS_NAME_WITH_PARAMS(NAME, CLASS)

◆ FUNCTION_PASS_WITH_PARAMS [2/2]

#define FUNCTION_PASS_WITH_PARAMS ( NAME,
CLASS,
CREATE_PASS,
PARSER,
PARAMS )
Value:
ADD_PASS_WITH_PARAMS(NAME, CREATE_PASS, PARSER)
ADD_PASS_WITH_PARAMS
#define ADD_PASS_WITH_PARAMS(NAME, CREATE_PASS, PARSER)

◆ GET_PASS_REGISTRY

#define GET_PASS_REGISTRY   "BPFPassRegistry.def"

◆ LOOP_ANALYSIS [1/2]

#define LOOP_ANALYSIS ( NAME,
CREATE_PASS )
Value:
ADD_CLASS_PASS_TO_PASS_NAME(NAME, CREATE_PASS)

◆ LOOP_ANALYSIS [2/2]

#define LOOP_ANALYSIS ( NAME,
CREATE_PASS )
Value:
AM.registerPass([&] { return CREATE_PASS; });

◆ LOOP_PASS [1/2]

#define LOOP_PASS ( NAME,
CREATE_PASS )
Value:
ADD_CLASS_PASS_TO_PASS_NAME(NAME, CREATE_PASS)

◆ LOOP_PASS [2/2]

#define LOOP_PASS ( NAME,
CREATE_PASS )
Value:
ADD_PASS(NAME, CREATE_PASS)

◆ MACHINE_FUNCTION_ANALYSIS [1/2]

#define MACHINE_FUNCTION_ANALYSIS ( NAME,
CREATE_PASS )
Value:
ADD_CLASS_PASS_TO_PASS_NAME(NAME, CREATE_PASS)

◆ MACHINE_FUNCTION_ANALYSIS [2/2]

#define MACHINE_FUNCTION_ANALYSIS ( NAME,
CREATE_PASS )
Value:
AM.registerPass([&] { return CREATE_PASS; });

◆ MACHINE_FUNCTION_PASS [1/2]

#define MACHINE_FUNCTION_PASS ( NAME,
CREATE_PASS )
Value:
ADD_CLASS_PASS_TO_PASS_NAME(NAME, CREATE_PASS)

◆ MACHINE_FUNCTION_PASS [2/2]

#define MACHINE_FUNCTION_PASS ( NAME,
CREATE_PASS )
Value:
ADD_PASS(NAME, CREATE_PASS)

◆ MACHINE_FUNCTION_PASS_WITH_PARAMS [1/2]

#define MACHINE_FUNCTION_PASS_WITH_PARAMS ( NAME,
CLASS,
CREATE_PASS,
PARSER,
PARAMS )
Value:
ADD_CLASS_PASS_TO_PASS_NAME_WITH_PARAMS(NAME, CLASS)

◆ MACHINE_FUNCTION_PASS_WITH_PARAMS [2/2]

#define MACHINE_FUNCTION_PASS_WITH_PARAMS ( NAME,
CLASS,
CREATE_PASS,
PARSER,
PARAMS )
Value:
ADD_PASS_WITH_PARAMS(NAME, CREATE_PASS, PARSER)

◆ MODULE_ANALYSIS [1/2]

#define MODULE_ANALYSIS ( NAME,
CREATE_PASS )
Value:
ADD_CLASS_PASS_TO_PASS_NAME(NAME, CREATE_PASS)

◆ MODULE_ANALYSIS [2/2]

#define MODULE_ANALYSIS ( NAME,
CREATE_PASS )
Value:
AM.registerPass([&] { return CREATE_PASS; });

◆ MODULE_PASS [1/2]

#define MODULE_PASS ( NAME,
CREATE_PASS )
Value:
ADD_CLASS_PASS_TO_PASS_NAME(NAME, CREATE_PASS)

◆ MODULE_PASS [2/2]

#define MODULE_PASS ( NAME,
CREATE_PASS )
Value:
ADD_PASS(NAME, CREATE_PASS)

◆ MODULE_PASS_WITH_PARAMS [1/2]

#define MODULE_PASS_WITH_PARAMS ( NAME,
CLASS,
CREATE_PASS,
PARSER,
PARAMS )
Value:
ADD_CLASS_PASS_TO_PASS_NAME_WITH_PARAMS(NAME, CLASS)

◆ MODULE_PASS_WITH_PARAMS [2/2]

#define MODULE_PASS_WITH_PARAMS ( NAME,
CLASS,
CREATE_PASS,
PARSER,
PARAMS )
Value:
ADD_PASS_WITH_PARAMS(NAME, CREATE_PASS, PARSER)

Function Documentation

◆ getEffectiveRelocModel()

Reloc::Model getEffectiveRelocModel ( std::optional< Reloc::Model > RM)
static

Definition at line 63 of file BPFTargetMachine.cpp.

References llvm::Reloc::PIC_.

◆ LLVMInitializeBPFTarget()

LLVM_ABI LLVM_EXTERNAL_VISIBILITY void LLVMInitializeBPFTarget ( )

Definition at line 46 of file BPFTargetMachine.cpp.

References llvm::PassRegistry::getPassRegistry(), llvm::getTheBPFbeTarget(), llvm::getTheBPFleTarget(), llvm::getTheBPFTarget(), llvm::initializeBPFAsmPrinterPass(), llvm::initializeBPFCheckAndAdjustIRPass(), llvm::initializeBPFDAGToDAGISelLegacyPass(), llvm::initializeBPFMIPeepholePass(), llvm::initializeBPFMIPreEmitCheckingPass(), llvm::initializeBPFMIPreEmitPeepholePass(), llvm::initializeBPFMISimplifyPatchablePass(), llvm::initializeGlobalISel(), LLVM_ABI, LLVM_EXTERNAL_VISIBILITY, X, and Y.

◆ parseBPFPreserveStaticOffsetOptions()

Expected< bool > parseBPFPreserveStaticOffsetOptions ( StringRef Params)
static

Definition at line 117 of file BPFTargetMachine.cpp.

References llvm::PassBuilder::parseSinglePassOption().

Variable Documentation

◆ DisableCheckUnreachable

cl::opt< bool > DisableCheckUnreachable("bpf-disable-trap-unreachable", cl::Hidden, cl::desc("Disable Trap Unreachable for BPF")) ( "bpf-disable-trap-unreachable" ,
cl::Hidden ,
cl::desc("Disable Trap Unreachable for BPF")  )
static

Referenced by llvm::BPFTargetMachine::BPFTargetMachine().

◆ DisableMIPeephole

cl::opt< bool > DisableMIPeephole("disable-bpf-peephole", cl::Hidden, cl::desc("Disable machine peepholes for BPF")) ( "disable-bpf-peephole" ,
cl::Hidden ,
cl::desc("Disable machine peepholes for BPF")  )
static
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