AMDGPUMCExpr.cpp File Reference

#include "AMDGPUMCExpr.h"
#include "Utils/AMDGPUBaseInfo.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCAssembler.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSymbol.h"
#include "llvm/MC/MCValue.h"
#include "llvm/Support/KnownBits.h"
#include "llvm/Support/raw_ostream.h"
#include <functional>
#include <optional>

Go to the source code of this file.

Typedefs
using	KnownBitsMap = DenseMap<const MCExpr *, KnownBits>

Functions
static int64_t	op (AMDGPUMCExpr::VariantKind Kind, int64_t Arg1, int64_t Arg2)
static bool	evaluateMCExprs (ArrayRef< const MCExpr * > Exprs, const MCAssembler *Asm, std::initializer_list< std::reference_wrapper< uint64_t > > Vals)
static KnownBits	fromOptionalToKnownBits (std::optional< bool > CompareResult)
static void	knownBitsMapHelper (const MCExpr *Expr, KnownBitsMap &KBM, unsigned Depth=0)
static void	binaryOpKnownBitsMapHelper (const MCExpr *Expr, KnownBitsMap &KBM, unsigned Depth)
static void	unaryOpKnownBitsMapHelper (const MCExpr *Expr, KnownBitsMap &KBM, unsigned Depth)
static void	targetOpKnownBitsMapHelper (const MCExpr *Expr, KnownBitsMap &KBM, unsigned Depth)
static const MCExpr *	tryFoldHelper (const MCExpr *Expr, KnownBitsMap &KBM, MCContext &Ctx)

Typedef Documentation

KnownBitsMap

using KnownBitsMap = DenseMap<const MCExpr *, KnownBits>

Definition at line 311 of file AMDGPUMCExpr.cpp.

Function Documentation

binaryOpKnownBitsMapHelper()

void binaryOpKnownBitsMapHelper ( const MCExpr * Expr, KnownBitsMap & KBM, unsigned Depth )

static

Definition at line 315 of file AMDGPUMCExpr.cpp.

References llvm::MCBinaryExpr::Add, llvm::KnownBits::add(), llvm::MCBinaryExpr::And, llvm::MCBinaryExpr::AShr, llvm::KnownBits::ashr(), llvm::BitWidth, llvm::cast(), llvm::Depth, llvm::MCBinaryExpr::Div, llvm::MCBinaryExpr::EQ, llvm::KnownBits::eq(), fromOptionalToKnownBits(), llvm::MCBinaryExpr::getLHS(), llvm::MCBinaryExpr::getOpcode(), llvm::MCBinaryExpr::getRHS(), llvm::MCBinaryExpr::GT, llvm::MCBinaryExpr::GTE, knownBitsMapHelper(), llvm::MCBinaryExpr::LAnd, LHS, llvm::MCBinaryExpr::LOr, llvm::MCBinaryExpr::LShr, llvm::KnownBits::lshr(), llvm::MCBinaryExpr::LT, llvm::MCBinaryExpr::LTE, llvm::KnownBits::makeConstant(), llvm::MCBinaryExpr::Mod, llvm::MCBinaryExpr::Mul, llvm::KnownBits::mul(), llvm::MCBinaryExpr::NE, llvm::KnownBits::ne(), llvm::MCBinaryExpr::Or, RHS, llvm::KnownBits::sdiv(), llvm::KnownBits::sge(), llvm::KnownBits::sgt(), llvm::MCBinaryExpr::Shl, llvm::KnownBits::shl(), llvm::KnownBits::sle(), llvm::KnownBits::slt(), llvm::KnownBits::srem(), llvm::MCBinaryExpr::Sub, llvm::KnownBits::sub(), and llvm::MCBinaryExpr::Xor.

Referenced by knownBitsMapHelper().

evaluateMCExprs()

bool evaluateMCExprs ( ArrayRef< const MCExpr * > Exprs, const MCAssembler * Asm, std::initializer_list< std::reference_wrapper< uint64_t > > Vals )

static

Definition at line 104 of file AMDGPUMCExpr.cpp.

References llvm::all_of(), llvm::MCValue::getConstant(), llvm::MCValue::isAbsolute(), and llvm::zip_equal().

fromOptionalToKnownBits()

KnownBits fromOptionalToKnownBits ( std::optional< bool > CompareResult )

static

Definition at line 298 of file AMDGPUMCExpr.cpp.

References llvm::BitWidth, llvm::KnownBits::makeConstant(), and llvm::KnownBits::zext().

Referenced by binaryOpKnownBitsMapHelper().

knownBitsMapHelper()

void knownBitsMapHelper ( const MCExpr * Expr, KnownBitsMap & KBM, unsigned Depth = 0 )

static

Definition at line 494 of file AMDGPUMCExpr.cpp.

References llvm::MCExpr::Binary, binaryOpKnownBitsMapHelper(), llvm::BitWidth, llvm::cast(), llvm::MCExpr::Constant, llvm::Depth, llvm::MCExpr::getKind(), llvm::MCSymbolRefExpr::getSymbol(), llvm::MCSymbol::getVariableValue(), llvm::MCSymbol::isVariable(), knownBitsMapHelper(), llvm_unreachable, llvm::KnownBits::makeConstant(), llvm::MCExpr::Specifier, llvm::MCExpr::SymbolRef, llvm::MCExpr::Target, targetOpKnownBitsMapHelper(), llvm::MCExpr::Unary, and unaryOpKnownBitsMapHelper().

Referenced by binaryOpKnownBitsMapHelper(), llvm::AMDGPU::foldAMDGPUMCExpr(), knownBitsMapHelper(), targetOpKnownBitsMapHelper(), and unaryOpKnownBitsMapHelper().

op()

int64_t op ( AMDGPUMCExpr::VariantKind Kind, int64_t Arg1, int64_t Arg2 )

static

Definition at line 92 of file AMDGPUMCExpr.cpp.

References llvm::AMDGPUMCExpr::AGVK_Max, llvm::AMDGPUMCExpr::AGVK_Or, and llvm_unreachable.

targetOpKnownBitsMapHelper()

void targetOpKnownBitsMapHelper ( const MCExpr * Expr, KnownBitsMap & KBM, unsigned Depth )

static

Definition at line 447 of file AMDGPUMCExpr.cpp.

References llvm::AMDGPUMCExpr::AGVK_AlignTo, llvm::AMDGPUMCExpr::AGVK_ExtraSGPRs, llvm::AMDGPUMCExpr::AGVK_Lit, llvm::AMDGPUMCExpr::AGVK_Lit64, llvm::AMDGPUMCExpr::AGVK_Max, llvm::AMDGPUMCExpr::AGVK_Occupancy, llvm::AMDGPUMCExpr::AGVK_Or, llvm::AMDGPUMCExpr::AGVK_TotalNumVGPRs, llvm::BitWidth, llvm::cast(), llvm::Depth, llvm::MCExpr::evaluateAsAbsolute(), llvm::AMDGPUMCExpr::getArgs(), llvm::AMDGPUMCExpr::getKind(), llvm::AMDGPUMCExpr::getSubExpr(), knownBitsMapHelper(), llvm::KnownBits::makeConstant(), and llvm::KnownBits::umax().

Referenced by knownBitsMapHelper().

tryFoldHelper()

const MCExpr * tryFoldHelper ( const MCExpr * Expr, KnownBitsMap & KBM, MCContext & Ctx )

static

Definition at line 552 of file AMDGPUMCExpr.cpp.

References llvm::MCBinaryExpr::Add, llvm::MCBinaryExpr::And, llvm::MCBinaryExpr::AShr, llvm::MCExpr::Binary, llvm::cast(), Changed, llvm::MCExpr::Constant, llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::count(), llvm::AMDGPUMCExpr::create(), llvm::MCBinaryExpr::create(), llvm::MCConstantExpr::create(), llvm::MCUnaryExpr::create(), llvm::AMDGPUMCExpr::getArgs(), llvm::KnownBits::getConstant(), llvm::AMDGPUMCExpr::getKind(), llvm::MCExpr::getKind(), llvm::MCBinaryExpr::getLHS(), llvm::MCExpr::getLoc(), llvm::MCBinaryExpr::getOpcode(), llvm::MCUnaryExpr::getOpcode(), llvm::MCBinaryExpr::getRHS(), llvm::APInt::getSExtValue(), llvm::MCUnaryExpr::getSubExpr(), isConstant(), llvm::KnownBits::isConstant(), LHS, llvm::MCBinaryExpr::LShr, llvm::MCBinaryExpr::Mul, llvm::MCBinaryExpr::Or, llvm::SmallVectorTemplateBase< T, bool >::push_back(), RHS, llvm::MCBinaryExpr::Shl, llvm::MCBinaryExpr::Sub, llvm::MCExpr::Target, tryFoldHelper(), and llvm::MCExpr::Unary.

Referenced by llvm::AMDGPU::foldAMDGPUMCExpr(), and tryFoldHelper().

unaryOpKnownBitsMapHelper()

void unaryOpKnownBitsMapHelper ( const MCExpr * Expr, KnownBitsMap & KBM, unsigned Depth )

static

Definition at line 417 of file AMDGPUMCExpr.cpp.

References llvm::AllOnes, llvm::BitWidth, llvm::cast(), llvm::Depth, llvm::MCUnaryExpr::getOpcode(), llvm::MCUnaryExpr::getSubExpr(), knownBitsMapHelper(), llvm::KnownBits::makeNegative(), llvm::KnownBits::makeNonNegative(), llvm::MCUnaryExpr::Minus, llvm::MCUnaryExpr::Not, and llvm::MCUnaryExpr::Plus.

Referenced by knownBitsMapHelper().