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fix a bug in range information for $42, eliminate an

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unneeded argument from ParseExpression.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93536 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-01-15 19:39:23 +00:00
parent 0a3c5a54a1
commit 54482b472a
4 changed files with 10 additions and 14 deletions
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3
include/llvm/MC/MCAsmParser.h
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@ -55,8 +55,7 @@ public:
/// @param Res - The value of the expression. The result is undefined
/// on error.
/// @result - False on success.
virtual bool ParseExpression(const MCExpr *&Res,
SMLoc &StartLoc, SMLoc &EndLoc) = 0;
virtual bool ParseExpression(const MCExpr *&Res, SMLoc &EndLoc) = 0;
bool ParseExpression(const MCExpr *&Res);
/// ParseParenExpression - Parse an arbitrary expression, assuming that an

10
lib/Target/X86/AsmParser/X86AsmParser.cpp
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@ -279,10 +279,10 @@ X86Operand *X86ATTAsmParser::ParseOperand() {
}
case AsmToken::Dollar: {
// $42 -> immediate.
SMLoc Start = getLexer().getTok().getLoc(), End;
getLexer().Lex();
const MCExpr *Val;
SMLoc Start, End;
if (getParser().ParseExpression(Val, Start, End))
if (getParser().ParseExpression(Val, End))
return 0;
return X86Operand::CreateImm(Val, Start, End);
}
@ -302,15 +302,15 @@ X86Operand *X86ATTAsmParser::ParseMemOperand() {
// it.
const MCExpr *Disp = MCConstantExpr::Create(0, getParser().getContext());
if (getLexer().isNot(AsmToken::LParen)) {
SMLoc ExprStart, ExprEnd;
if (getParser().ParseExpression(Disp, MemStart, ExprEnd)) return 0;
SMLoc ExprEnd;
if (getParser().ParseExpression(Disp, ExprEnd)) return 0;
// After parsing the base expression we could either have a parenthesized
// memory address or not. If not, return now. If so, eat the (.
if (getLexer().isNot(AsmToken::LParen)) {
// Unless we have a segment register, treat this as an immediate.
if (SegReg == 0)
return X86Operand::CreateImm(Disp, ExprStart, ExprEnd);
return X86Operand::CreateImm(Disp, MemStart, ExprEnd);
return X86Operand::CreateMem(SegReg, Disp, 0, 0, 1, MemStart, ExprEnd);
}

8
tools/llvm-mc/AsmParser.cpp
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@ -271,8 +271,8 @@ bool AsmParser::ParsePrimaryExpr(const MCExpr *&Res, SMLoc &EndLoc) {
}
bool AsmParser::ParseExpression(const MCExpr *&Res) {
SMLoc L;
return ParseExpression(Res, L, L);
SMLoc EndLoc;
return ParseExpression(Res, EndLoc);
}
/// ParseExpression - Parse an expression and return it.
@ -282,9 +282,7 @@ bool AsmParser::ParseExpression(const MCExpr *&Res) {
/// expr ::= expr *,/,%,<<,>> expr -> highest.
/// expr ::= primaryexpr
///
bool AsmParser::ParseExpression(const MCExpr *&Res,
SMLoc &StartLoc, SMLoc &EndLoc) {
StartLoc = Lexer.getLoc();
bool AsmParser::ParseExpression(const MCExpr *&Res, SMLoc &EndLoc) {
Res = 0;
return ParsePrimaryExpr(Res, EndLoc) ||
ParseBinOpRHS(1, Res, EndLoc);

3
tools/llvm-mc/AsmParser.h
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@ -80,8 +80,7 @@ public:
virtual bool Error(SMLoc L, const Twine &Msg);
bool ParseExpression(const MCExpr *&Res);
virtual bool ParseExpression(const MCExpr *&Res,
SMLoc &StartLoc, SMLoc &EndLoc);
virtual bool ParseExpression(const MCExpr *&Res, SMLoc &EndLoc);
virtual bool ParseParenExpression(const MCExpr *&Res, SMLoc &EndLoc);
virtual bool ParseAbsoluteExpression(int64_t &Res);