LLVM: lib/Target/AMDGPU/MCTargetDesc/AMDGPUMCExpr.cpp File Reference

LLVM 20.0.0git

#include "AMDGPUMCExpr.h"
#include "GCNSubtarget.h"
#include "Utils/AMDGPUBaseInfo.h"
#include "llvm/IR/Function.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/Allocator.h"
#include "llvm/Support/KnownBits.h"
#include "llvm/Support/raw_ostream.h"
#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 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 322 of file AMDGPUMCExpr.cpp.

Function Documentation

◆ binaryOpKnownBitsMapHelper()

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

static

Definition at line 326 of file AMDGPUMCExpr.cpp.

References llvm::MCBinaryExpr::Add, llvm::KnownBits::add(), llvm::MCBinaryExpr::And, llvm::MCBinaryExpr::AShr, llvm::KnownBits::ashr(), llvm::BitWidth, 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().

◆ fromOptionalToKnownBits()

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

static

Definition at line 309 of file AMDGPUMCExpr.cpp.

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

Referenced by binaryOpKnownBitsMapHelper().

◆ knownBitsMapHelper()

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

static

◆ op()

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

static

Definition at line 88 of file AMDGPUMCExpr.cpp.

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

◆ targetOpKnownBitsMapHelper()

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

static

Definition at line 458 of file AMDGPUMCExpr.cpp.

References llvm::AMDGPUMCExpr::AGVK_AlignTo, llvm::AMDGPUMCExpr::AGVK_ExtraSGPRs, llvm::AMDGPUMCExpr::AGVK_Max, llvm::AMDGPUMCExpr::AGVK_Occupancy, llvm::AMDGPUMCExpr::AGVK_Or, llvm::AMDGPUMCExpr::AGVK_TotalNumVGPRs, llvm::BitWidth, 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()

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

static

Definition at line 555 of file AMDGPUMCExpr.cpp.

References llvm::MCBinaryExpr::Add, llvm::MCBinaryExpr::And, llvm::MCBinaryExpr::AShr, llvm::MCExpr::Binary, llvm::MCExpr::Constant, llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::count(), llvm::MCConstantExpr::create(), llvm::MCUnaryExpr::create(), llvm::MCBinaryExpr::create(), llvm::AMDGPUMCExpr::create(), llvm::AMDGPUMCExpr::getArgs(), llvm::KnownBits::getConstant(), llvm::MCExpr::getKind(), llvm::AMDGPUMCExpr::getKind(), llvm::MCBinaryExpr::getLHS(), llvm::MCExpr::getLoc(), llvm::MCUnaryExpr::getOpcode(), llvm::MCBinaryExpr::getOpcode(), llvm::MCBinaryExpr::getRHS(), llvm::APInt::getSExtValue(), llvm::MCUnaryExpr::getSubExpr(), llvm::KnownBits::isConstant(), 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()

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

static

Definition at line 428 of file AMDGPUMCExpr.cpp.

References llvm::AllOnes, llvm::BitWidth, 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().