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-rw-r--r--llvm/lib/MC/MCParser/AsmParser.cpp49
1 files changed, 23 insertions, 26 deletions
diff --git a/llvm/lib/MC/MCParser/AsmParser.cpp b/llvm/lib/MC/MCParser/AsmParser.cpp
index f71e05107d7..a8497092448 100644
--- a/llvm/lib/MC/MCParser/AsmParser.cpp
+++ b/llvm/lib/MC/MCParser/AsmParser.cpp
@@ -35,6 +35,7 @@
#include "llvm/MC/MCParser/AsmLexer.h"
#include "llvm/MC/MCParser/MCAsmLexer.h"
#include "llvm/MC/MCParser/MCAsmParser.h"
+#include "llvm/MC/MCParser/MCAsmParserExtension.h"
#include "llvm/MC/MCParser/MCAsmParserUtils.h"
#include "llvm/MC/MCParser/MCParsedAsmOperand.h"
#include "llvm/MC/MCParser/MCTargetAsmParser.h"
@@ -42,6 +43,7 @@
#include "llvm/MC/MCSection.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSymbol.h"
+#include "llvm/MC/MCTargetOptions.h"
#include "llvm/MC/MCValue.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/CommandLine.h"
@@ -55,6 +57,7 @@
#include <algorithm>
#include <cassert>
#include <cctype>
+#include <climits>
#include <cstddef>
#include <cstdint>
#include <deque>
@@ -67,7 +70,7 @@
using namespace llvm;
-MCAsmParserSemaCallback::~MCAsmParserSemaCallback() {}
+MCAsmParserSemaCallback::~MCAsmParserSemaCallback() = default;
static cl::opt<unsigned> AsmMacroMaxNestingDepth(
"asm-macro-max-nesting-depth", cl::init(20), cl::Hidden,
@@ -82,10 +85,10 @@ typedef std::vector<MCAsmMacroArgument> MCAsmMacroArguments;
struct MCAsmMacroParameter {
StringRef Name;
MCAsmMacroArgument Value;
- bool Required;
- bool Vararg;
+ bool Required = false;
+ bool Vararg = false;
- MCAsmMacroParameter() : Required(false), Vararg(false) {}
+ MCAsmMacroParameter() = default;
};
typedef std::vector<MCAsmMacroParameter> MCAsmMacroParameters;
@@ -124,23 +127,20 @@ struct ParseStatementInfo {
SmallVector<std::unique_ptr<MCParsedAsmOperand>, 8> ParsedOperands;
/// \brief The opcode from the last parsed instruction.
- unsigned Opcode;
+ unsigned Opcode = ~0U;
/// \brief Was there an error parsing the inline assembly?
- bool ParseError;
+ bool ParseError = false;
- SmallVectorImpl<AsmRewrite> *AsmRewrites;
+ SmallVectorImpl<AsmRewrite> *AsmRewrites = nullptr;
- ParseStatementInfo() : Opcode(~0U), ParseError(false), AsmRewrites(nullptr) {}
+ ParseStatementInfo() = default;
ParseStatementInfo(SmallVectorImpl<AsmRewrite> *rewrites)
- : Opcode(~0), ParseError(false), AsmRewrites(rewrites) {}
+ : AsmRewrites(rewrites) {}
};
/// \brief The concrete assembly parser instance.
class AsmParser : public MCAsmParser {
- AsmParser(const AsmParser &) = delete;
- void operator=(const AsmParser &) = delete;
-
private:
AsmLexer Lexer;
MCContext &Ctx;
@@ -199,17 +199,19 @@ private:
unsigned LastQueryLine;
/// AssemblerDialect. ~OU means unset value and use value provided by MAI.
- unsigned AssemblerDialect;
+ unsigned AssemblerDialect = ~0U;
/// \brief is Darwin compatibility enabled?
- bool IsDarwin;
+ bool IsDarwin = false;
/// \brief Are we parsing ms-style inline assembly?
- bool ParsingInlineAsm;
+ bool ParsingInlineAsm = false;
public:
AsmParser(SourceMgr &SM, MCContext &Ctx, MCStreamer &Out,
const MCAsmInfo &MAI, unsigned CB);
+ AsmParser(const AsmParser &) = delete;
+ AsmParser &operator=(const AsmParser &) = delete;
~AsmParser() override;
bool Run(bool NoInitialTextSection, bool NoFinalize = false) override;
@@ -223,7 +225,6 @@ public:
DirectiveKindMap[Directive] = DirectiveKindMap[Alias];
}
-public:
/// @name MCAsmParser Interface
/// {
@@ -258,7 +259,7 @@ public:
bool parseMSInlineAsm(void *AsmLoc, std::string &AsmString,
unsigned &NumOutputs, unsigned &NumInputs,
- SmallVectorImpl<std::pair<void *,bool> > &OpDecls,
+ SmallVectorImpl<std::pair<void *,bool>> &OpDecls,
SmallVectorImpl<std::string> &Constraints,
SmallVectorImpl<std::string> &Clobbers,
const MCInstrInfo *MII, const MCInstPrinter *IP,
@@ -574,9 +575,7 @@ enum { DEFAULT_ADDRSPACE = 0 };
AsmParser::AsmParser(SourceMgr &SM, MCContext &Ctx, MCStreamer &Out,
const MCAsmInfo &MAI, unsigned CB = 0)
: Lexer(MAI), Ctx(Ctx), Out(Out), MAI(MAI), SrcMgr(SM),
- PlatformParser(nullptr), CurBuffer(CB ? CB : SM.getMainFileID()),
- MacrosEnabledFlag(true), CppHashInfo(), AssemblerDialect(~0U),
- IsDarwin(false), ParsingInlineAsm(false) {
+ CurBuffer(CB ? CB : SM.getMainFileID()), MacrosEnabledFlag(true) {
HadError = false;
// Save the old handler.
SavedDiagHandler = SrcMgr.getDiagHandler();
@@ -983,7 +982,7 @@ bool AsmParser::parsePrimaryExpr(const MCExpr *&Res, SMLoc &EndLoc) {
MCSymbolRefExpr::VariantKind Variant = MCSymbolRefExpr::VK_None;
// Lookup the symbol variant if used.
- if (Split.second.size()) {
+ if (!Split.second.empty()) {
Variant = MCSymbolRefExpr::getVariantKindForName(Split.second);
if (Variant != MCSymbolRefExpr::VK_Invalid) {
SymbolName = Split.first;
@@ -1622,7 +1621,7 @@ bool AsmParser::parseStatement(ParseStatementInfo &Info,
if (ParsingInlineAsm && SI) {
StringRef RewrittenLabel =
SI->LookupInlineAsmLabel(IDVal, getSourceManager(), IDLoc, true);
- assert(RewrittenLabel.size() &&
+ assert(!RewrittenLabel.empty() &&
"We should have an internal name here.");
Info.AsmRewrites->emplace_back(AOK_Label, IDLoc, IDVal.size(),
RewrittenLabel);
@@ -2030,7 +2029,7 @@ bool AsmParser::parseStatement(ParseStatementInfo &Info,
// If we previously parsed a cpp hash file line comment then make sure the
// current Dwarf File is for the CppHashFilename if not then emit the
// Dwarf File table for it and adjust the line number for the .loc.
- if (CppHashInfo.Filename.size()) {
+ if (!CppHashInfo.Filename.empty()) {
unsigned FileNumber = getStreamer().EmitDwarfFileDirective(
0, StringRef(), CppHashInfo.Filename);
getContext().setGenDwarfFileNumber(FileNumber);
@@ -4196,7 +4195,6 @@ bool AsmParser::parseDirectiveBundleUnlock() {
/// parseDirectiveSpace
/// ::= (.skip | .space) expression [ , expression ]
bool AsmParser::parseDirectiveSpace(StringRef IDVal) {
-
SMLoc NumBytesLoc = Lexer.getLoc();
const MCExpr *NumBytes;
if (checkForValidSection() || parseExpression(NumBytes))
@@ -4292,7 +4290,6 @@ bool AsmParser::parseDirectiveRealDCB(StringRef IDVal, const fltSemantics &Seman
/// parseDirectiveDS
/// ::= .ds.{b, d, l, p, s, w, x} expression
bool AsmParser::parseDirectiveDS(StringRef IDVal, unsigned Size) {
-
SMLoc NumValuesLoc = Lexer.getLoc();
int64_t NumValues;
if (checkForValidSection() || parseAbsoluteExpression(NumValues))
@@ -5214,7 +5211,7 @@ static int rewritesSort(const AsmRewrite *AsmRewriteA,
bool AsmParser::parseMSInlineAsm(
void *AsmLoc, std::string &AsmString, unsigned &NumOutputs,
- unsigned &NumInputs, SmallVectorImpl<std::pair<void *, bool> > &OpDecls,
+ unsigned &NumInputs, SmallVectorImpl<std::pair<void *, bool>> &OpDecls,
SmallVectorImpl<std::string> &Constraints,
SmallVectorImpl<std::string> &Clobbers, const MCInstrInfo *MII,
const MCInstPrinter *IP, MCAsmParserSemaCallback &SI) {
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