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Diffstat (limited to 'llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp')
-rw-r--r--llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp71
1 files changed, 35 insertions, 36 deletions
diff --git a/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp b/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp
index 32ede8558efe..e78d16056460 100644
--- a/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp
+++ b/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp
@@ -1417,7 +1417,7 @@ bool X86AsmParser::MatchRegisterByName(MCRegister &RegNo, StringRef RegName,
// If this is "db[0-15]", match it as an alias
// for dr[0-15].
- if (RegNo == 0 && RegName.startswith("db")) {
+ if (RegNo == 0 && RegName.starts_with("db")) {
if (RegName.size() == 3) {
switch (RegName[2]) {
case '0':
@@ -2072,7 +2072,7 @@ bool X86AsmParser::ParseIntelExpression(IntelExprStateMachine &SM, SMLoc &End) {
Lex(); // eat type
bool EndDot = parseOptionalToken(AsmToken::Dot);
while (EndDot || (getTok().is(AsmToken::Identifier) &&
- getTok().getString().startswith("."))) {
+ getTok().getString().starts_with("."))) {
getParser().parseIdentifier(Identifier);
if (!EndDot)
Identifier.consume_front(".");
@@ -2271,7 +2271,7 @@ bool X86AsmParser::ParseRoundingModeOp(SMLoc Start, OperandVector &Operands) {
const SMLoc consumedToken = consumeToken();
if (Tok.isNot(AsmToken::Identifier))
return Error(Tok.getLoc(), "Expected an identifier after {");
- if (Tok.getIdentifier().startswith("r")){
+ if (Tok.getIdentifier().starts_with("r")) {
int rndMode = StringSwitch<int>(Tok.getIdentifier())
.Case("rn", X86::STATIC_ROUNDING::TO_NEAREST_INT)
.Case("rd", X86::STATIC_ROUNDING::TO_NEG_INF)
@@ -2313,7 +2313,7 @@ bool X86AsmParser::ParseIntelDotOperator(IntelExprStateMachine &SM,
// Drop the optional '.'.
StringRef DotDispStr = Tok.getString();
- if (DotDispStr.startswith("."))
+ if (DotDispStr.starts_with("."))
DotDispStr = DotDispStr.drop_front(1);
StringRef TrailingDot;
@@ -2325,7 +2325,7 @@ bool X86AsmParser::ParseIntelDotOperator(IntelExprStateMachine &SM,
Info.Offset = DotDisp.getZExtValue();
} else if ((isParsingMSInlineAsm() || getParser().isParsingMasm()) &&
Tok.is(AsmToken::Identifier)) {
- if (DotDispStr.endswith(".")) {
+ if (DotDispStr.ends_with(".")) {
TrailingDot = DotDispStr.substr(DotDispStr.size() - 1);
DotDispStr = DotDispStr.drop_back(1);
}
@@ -2815,7 +2815,7 @@ bool X86AsmParser::HandleAVX512Operand(OperandVector &Operands) {
SmallVector<char, 5> BroadcastVector;
StringRef BroadcastString = (Prefix + getLexer().getTok().getIdentifier())
.toStringRef(BroadcastVector);
- if (!BroadcastString.startswith("1to"))
+ if (!BroadcastString.starts_with("1to"))
return TokError("Expected 1to<NUM> at this point");
const char *BroadcastPrimitive =
StringSwitch<const char *>(BroadcastString)
@@ -3174,7 +3174,7 @@ bool X86AsmParser::ParseInstruction(ParseInstructionInfo &Info, StringRef Name,
if (isParsingIntelSyntax() &&
(PatchedName == "jmp" || PatchedName == "jc" || PatchedName == "jnc" ||
PatchedName == "jcxz" || PatchedName == "jecxz" ||
- (PatchedName.startswith("j") &&
+ (PatchedName.starts_with("j") &&
ParseConditionCode(PatchedName.substr(1)) != X86::COND_INVALID))) {
StringRef NextTok = Parser.getTok().getString();
if (Parser.isParsingMasm() ? NextTok.equals_insensitive("short")
@@ -3192,17 +3192,17 @@ bool X86AsmParser::ParseInstruction(ParseInstructionInfo &Info, StringRef Name,
}
// FIXME: Hack to recognize setneb as setne.
- if (PatchedName.startswith("set") && PatchedName.endswith("b") &&
+ if (PatchedName.starts_with("set") && PatchedName.ends_with("b") &&
PatchedName != "setb" && PatchedName != "setnb")
PatchedName = PatchedName.substr(0, Name.size()-1);
unsigned ComparisonPredicate = ~0U;
// FIXME: Hack to recognize cmp<comparison code>{sh,ss,sd,ph,ps,pd}.
- if ((PatchedName.startswith("cmp") || PatchedName.startswith("vcmp")) &&
- (PatchedName.endswith("ss") || PatchedName.endswith("sd") ||
- PatchedName.endswith("sh") || PatchedName.endswith("ph") ||
- PatchedName.endswith("ps") || PatchedName.endswith("pd"))) {
+ if ((PatchedName.starts_with("cmp") || PatchedName.starts_with("vcmp")) &&
+ (PatchedName.ends_with("ss") || PatchedName.ends_with("sd") ||
+ PatchedName.ends_with("sh") || PatchedName.ends_with("ph") ||
+ PatchedName.ends_with("ps") || PatchedName.ends_with("pd"))) {
bool IsVCMP = PatchedName[0] == 'v';
unsigned CCIdx = IsVCMP ? 4 : 3;
unsigned CC = StringSwitch<unsigned>(
@@ -3257,17 +3257,17 @@ bool X86AsmParser::ParseInstruction(ParseInstructionInfo &Info, StringRef Name,
.Default(~0U);
if (CC != ~0U && (IsVCMP || CC < 8) &&
(IsVCMP || PatchedName.back() != 'h')) {
- if (PatchedName.endswith("ss"))
+ if (PatchedName.ends_with("ss"))
PatchedName = IsVCMP ? "vcmpss" : "cmpss";
- else if (PatchedName.endswith("sd"))
+ else if (PatchedName.ends_with("sd"))
PatchedName = IsVCMP ? "vcmpsd" : "cmpsd";
- else if (PatchedName.endswith("ps"))
+ else if (PatchedName.ends_with("ps"))
PatchedName = IsVCMP ? "vcmpps" : "cmpps";
- else if (PatchedName.endswith("pd"))
+ else if (PatchedName.ends_with("pd"))
PatchedName = IsVCMP ? "vcmppd" : "cmppd";
- else if (PatchedName.endswith("sh"))
+ else if (PatchedName.ends_with("sh"))
PatchedName = "vcmpsh";
- else if (PatchedName.endswith("ph"))
+ else if (PatchedName.ends_with("ph"))
PatchedName = "vcmpph";
else
llvm_unreachable("Unexpected suffix!");
@@ -3277,7 +3277,7 @@ bool X86AsmParser::ParseInstruction(ParseInstructionInfo &Info, StringRef Name,
}
// FIXME: Hack to recognize vpcmp<comparison code>{ub,uw,ud,uq,b,w,d,q}.
- if (PatchedName.startswith("vpcmp") &&
+ if (PatchedName.starts_with("vpcmp") &&
(PatchedName.back() == 'b' || PatchedName.back() == 'w' ||
PatchedName.back() == 'd' || PatchedName.back() == 'q')) {
unsigned SuffixSize = PatchedName.drop_back().back() == 'u' ? 2 : 1;
@@ -3306,7 +3306,7 @@ bool X86AsmParser::ParseInstruction(ParseInstructionInfo &Info, StringRef Name,
}
// FIXME: Hack to recognize vpcom<comparison code>{ub,uw,ud,uq,b,w,d,q}.
- if (PatchedName.startswith("vpcom") &&
+ if (PatchedName.starts_with("vpcom") &&
(PatchedName.back() == 'b' || PatchedName.back() == 'w' ||
PatchedName.back() == 'd' || PatchedName.back() == 'q')) {
unsigned SuffixSize = PatchedName.drop_back().back() == 'u' ? 2 : 1;
@@ -3334,7 +3334,6 @@ bool X86AsmParser::ParseInstruction(ParseInstructionInfo &Info, StringRef Name,
}
}
-
// Determine whether this is an instruction prefix.
// FIXME:
// Enhance prefixes integrity robustness. for example, following forms
@@ -3380,9 +3379,9 @@ bool X86AsmParser::ParseInstruction(ParseInstructionInfo &Info, StringRef Name,
Parser.Lex(); // eat the prefix
// Hack: we could have something like "rep # some comment" or
// "lock; cmpxchg16b $1" or "lock\0A\09incl" or "lock/incl"
- while (Name.startswith(";") || Name.startswith("\n") ||
- Name.startswith("#") || Name.startswith("\t") ||
- Name.startswith("/")) {
+ while (Name.starts_with(";") || Name.starts_with("\n") ||
+ Name.starts_with("#") || Name.starts_with("\t") ||
+ Name.starts_with("/")) {
// FIXME: The mnemonic won't match correctly if its not in lower case.
Name = Parser.getTok().getString();
Parser.Lex(); // go to next prefix or instr
@@ -3541,7 +3540,7 @@ bool X86AsmParser::ParseInstruction(ParseInstructionInfo &Info, StringRef Name,
bool HadVerifyError = false;
// Append default arguments to "ins[bwld]"
- if (Name.startswith("ins") &&
+ if (Name.starts_with("ins") &&
(Operands.size() == 1 || Operands.size() == 3) &&
(Name == "insb" || Name == "insw" || Name == "insl" || Name == "insd" ||
Name == "ins")) {
@@ -3553,7 +3552,7 @@ bool X86AsmParser::ParseInstruction(ParseInstructionInfo &Info, StringRef Name,
}
// Append default arguments to "outs[bwld]"
- if (Name.startswith("outs") &&
+ if (Name.starts_with("outs") &&
(Operands.size() == 1 || Operands.size() == 3) &&
(Name == "outsb" || Name == "outsw" || Name == "outsl" ||
Name == "outsd" || Name == "outs")) {
@@ -3565,7 +3564,7 @@ bool X86AsmParser::ParseInstruction(ParseInstructionInfo &Info, StringRef Name,
// Transform "lods[bwlq]" into "lods[bwlq] ($SIREG)" for appropriate
// values of $SIREG according to the mode. It would be nice if this
// could be achieved with InstAlias in the tables.
- if (Name.startswith("lods") &&
+ if (Name.starts_with("lods") &&
(Operands.size() == 1 || Operands.size() == 2) &&
(Name == "lods" || Name == "lodsb" || Name == "lodsw" ||
Name == "lodsl" || Name == "lodsd" || Name == "lodsq")) {
@@ -3576,7 +3575,7 @@ bool X86AsmParser::ParseInstruction(ParseInstructionInfo &Info, StringRef Name,
// Transform "stos[bwlq]" into "stos[bwlq] ($DIREG)" for appropriate
// values of $DIREG according to the mode. It would be nice if this
// could be achieved with InstAlias in the tables.
- if (Name.startswith("stos") &&
+ if (Name.starts_with("stos") &&
(Operands.size() == 1 || Operands.size() == 2) &&
(Name == "stos" || Name == "stosb" || Name == "stosw" ||
Name == "stosl" || Name == "stosd" || Name == "stosq")) {
@@ -3587,7 +3586,7 @@ bool X86AsmParser::ParseInstruction(ParseInstructionInfo &Info, StringRef Name,
// Transform "scas[bwlq]" into "scas[bwlq] ($DIREG)" for appropriate
// values of $DIREG according to the mode. It would be nice if this
// could be achieved with InstAlias in the tables.
- if (Name.startswith("scas") &&
+ if (Name.starts_with("scas") &&
(Operands.size() == 1 || Operands.size() == 2) &&
(Name == "scas" || Name == "scasb" || Name == "scasw" ||
Name == "scasl" || Name == "scasd" || Name == "scasq")) {
@@ -3596,7 +3595,7 @@ bool X86AsmParser::ParseInstruction(ParseInstructionInfo &Info, StringRef Name,
}
// Add default SI and DI operands to "cmps[bwlq]".
- if (Name.startswith("cmps") &&
+ if (Name.starts_with("cmps") &&
(Operands.size() == 1 || Operands.size() == 3) &&
(Name == "cmps" || Name == "cmpsb" || Name == "cmpsw" ||
Name == "cmpsl" || Name == "cmpsd" || Name == "cmpsq")) {
@@ -3606,10 +3605,10 @@ bool X86AsmParser::ParseInstruction(ParseInstructionInfo &Info, StringRef Name,
}
// Add default SI and DI operands to "movs[bwlq]".
- if (((Name.startswith("movs") &&
+ if (((Name.starts_with("movs") &&
(Name == "movs" || Name == "movsb" || Name == "movsw" ||
Name == "movsl" || Name == "movsd" || Name == "movsq")) ||
- (Name.startswith("smov") &&
+ (Name.starts_with("smov") &&
(Name == "smov" || Name == "smovb" || Name == "smovw" ||
Name == "smovl" || Name == "smovd" || Name == "smovq"))) &&
(Operands.size() == 1 || Operands.size() == 3)) {
@@ -4472,11 +4471,11 @@ bool X86AsmParser::OmitRegisterFromClobberLists(unsigned RegNo) {
bool X86AsmParser::ParseDirective(AsmToken DirectiveID) {
MCAsmParser &Parser = getParser();
StringRef IDVal = DirectiveID.getIdentifier();
- if (IDVal.startswith(".arch"))
+ if (IDVal.starts_with(".arch"))
return parseDirectiveArch();
- if (IDVal.startswith(".code"))
+ if (IDVal.starts_with(".code"))
return ParseDirectiveCode(IDVal, DirectiveID.getLoc());
- else if (IDVal.startswith(".att_syntax")) {
+ else if (IDVal.starts_with(".att_syntax")) {
if (getLexer().isNot(AsmToken::EndOfStatement)) {
if (Parser.getTok().getString() == "prefix")
Parser.Lex();
@@ -4487,7 +4486,7 @@ bool X86AsmParser::ParseDirective(AsmToken DirectiveID) {
}
getParser().setAssemblerDialect(0);
return false;
- } else if (IDVal.startswith(".intel_syntax")) {
+ } else if (IDVal.starts_with(".intel_syntax")) {
getParser().setAssemblerDialect(1);
if (getLexer().isNot(AsmToken::EndOfStatement)) {
if (Parser.getTok().getString() == "noprefix")
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-11 04:21:51 +0000