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MIR Serialization: Serialize the external symbol machine operands.

Browse Source 
Reviewers: Duncan P. N. Exon Smith


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242806 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alex Lorenz
2015-07-21 16:59:53 +00:00
parent 5769e19790
commit 65671bf628
7 changed files with 128 additions and 1 deletions
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32
lib/CodeGen/MIRParser/MILexer.cpp
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@@ -271,6 +271,36 @@ static Cursor maybeLexGlobalValue(
return C;
}
static Cursor lexName(
Cursor C, MIToken &Token, MIToken::TokenKind Type,
MIToken::TokenKind QuotedType, unsigned PrefixLength,
function_ref<void(StringRef::iterator Loc, const Twine &)> ErrorCallback) {
auto Range = C;
C.advance(PrefixLength);
if (C.peek() == '"') {
if (Cursor R = lexStringConstant(C, ErrorCallback)) {
Token = MIToken(QuotedType, Range.upto(R), PrefixLength);
return R;
}
Token = MIToken(MIToken::Error, Range.remaining());
return Range;
}
while (isIdentifierChar(C.peek()))
C.advance();
Token = MIToken(Type, Range.upto(C), PrefixLength);
return C;
}
static Cursor maybeLexExternalSymbol(
Cursor C, MIToken &Token,
function_ref<void(StringRef::iterator Loc, const Twine &)> ErrorCallback) {
if (C.peek() != '$')
return None;
return lexName(C, Token, MIToken::ExternalSymbol,
MIToken::QuotedExternalSymbol,
/*PrefixLength=*/1, ErrorCallback);
}
static Cursor maybeLexIntegerLiteral(Cursor C, MIToken &Token) {
if (!isdigit(C.peek()) && (C.peek() != '-' || !isdigit(C.peek(1))))
return None;
@@ -331,6 +361,8 @@ StringRef llvm::lexMIToken(
return R.remaining();
if (Cursor R = maybeLexGlobalValue(C, Token, ErrorCallback))
return R.remaining();
if (Cursor R = maybeLexExternalSymbol(C, Token, ErrorCallback))
return R.remaining();
if (Cursor R = maybeLexIntegerLiteral(C, Token))
return R.remaining();
if (Cursor R = maybeLexSymbol(C, Token))