llvm::MCParserUtils Namespace Reference

Functions
bool	parseAssignmentExpression (StringRef Name, bool allow_redef, MCAsmParser &Parser, MCSymbol *&Symbol, const MCExpr *&Value)
	Parse a value expression and return whether it can be assigned to a symbol with the given name.
static bool	isSymbolUsedInExpression (const MCSymbol *Sym, const MCExpr *Value)
	Returns whether the given symbol is used anywhere in the given expression, or subexpressions.

Function Documentation

isSymbolUsedInExpression()

static bool llvm::MCParserUtils::isSymbolUsedInExpression ( const MCSymbol *  Sym, const MCExpr *  Value  )

static

Returns whether the given symbol is used anywhere in the given expression, or subexpressions.

Definition at line 6381 of file AsmParser.cpp.

References llvm::MCExpr::Binary, llvm::MCExpr::Constant, llvm::MCBinaryExpr::getLHS(), llvm::MCBinaryExpr::getRHS(), llvm::MCSymbol::getVariableValue(), isSymbolUsedInExpression(), llvm::MCSymbol::isVariable(), llvm::MCSymbol::isWeakExternal(), llvm_unreachable, Sym, llvm::MCExpr::SymbolRef, llvm::MCExpr::Target, and llvm::MCExpr::Unary.

Referenced by isSymbolUsedInExpression(), and parseAssignmentExpression().

parseAssignmentExpression()

bool llvm::MCParserUtils::parseAssignmentExpression	(	StringRef	Name,
		bool	allow_redef,
		MCAsmParser &	Parser,
		MCSymbol *&	Symbol,
		const MCExpr *&	Value
	)

Parse a value expression and return whether it can be assigned to a symbol with the given name.

On success, returns false and sets the Symbol and Value output parameters.

Definition at line 6406 of file AsmParser.cpp.

References llvm::MCStreamer::emitValueToOffset(), llvm::MCAsmParser::Error(), llvm::MCAsmParser::getContext(), llvm::AsmToken::getLoc(), llvm::MCContext::getOrCreateSymbol(), llvm::MCAsmParser::getStreamer(), llvm::MCAsmParser::getTok(), isSymbolUsedInExpression(), llvm::MCContext::lookupSymbol(), Name, llvm::MCAsmParser::parseEOL(), llvm::MCAsmParser::parseExpression(), Sym, and llvm::MCAsmParser::TokError().