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McARM: Early exit on failure (NEFC).

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llvm-svn: 123739
This commit is contained in:
Daniel Dunbar 2011-01-18 05:34:17 +00:00
parent 9ea6873c89
commit 3cb5e8b0cb
1 changed files with 8 additions and 7 deletions
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15
lib/Target/ARM/AsmParser/ARMAsmParser.cpp
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@ -710,6 +710,11 @@ ParseMemory(SmallVectorImpl<MCParsedAsmOperand*> &Operands) {
return true;
}
// The next token must either be a comma or a closing bracket.
const AsmToken &Tok = Parser.getTok();
if (!Tok.is(AsmToken::Comma) && !Tok.is(AsmToken::RBrac))
return true;
bool Preindexed = false;
bool Postindexed = false;
bool OffsetIsReg = false;
@ -718,7 +723,6 @@ ParseMemory(SmallVectorImpl<MCParsedAsmOperand*> &Operands) {
// First look for preindexed address forms, that is after the "[Rn" we now
// have to see if the next token is a comma.
const AsmToken &Tok = Parser.getTok();
if (Tok.is(AsmToken::Comma)) {
Preindexed = true;
Parser.Lex(); // Eat comma token.
@ -738,7 +742,6 @@ ParseMemory(SmallVectorImpl<MCParsedAsmOperand*> &Operands) {
E = RBracTok.getLoc();
Parser.Lex(); // Eat right bracket token.
const AsmToken &ExclaimTok = Parser.getTok();
ARMOperand *WBOp = 0;
if (ExclaimTok.is(AsmToken::Exclaim)) {
@ -763,9 +766,9 @@ ParseMemory(SmallVectorImpl<MCParsedAsmOperand*> &Operands) {
Operands.push_back(WBOp);
return false;
}
// The "[Rn" we have so far was not followed by a comma.
else if (Tok.is(AsmToken::RBrac)) {
} else {
// The "[Rn" we have so far was not followed by a comma.
// If there's anything other than the right brace, this is a post indexing
// addressing form.
E = Tok.getLoc();
@ -809,8 +812,6 @@ ParseMemory(SmallVectorImpl<MCParsedAsmOperand*> &Operands) {
S, E));
return false;
}
return true;
}
/// Parse the offset of a memory operand after we have seen "[Rn," or "[Rn],"