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Revert 133010. Self-hosted buildbot unhappy.

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Apparently llvm itself generates undefined assembler local labels, causing
self-hosting problems with this patch. Reverting until that's sorted out.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133013 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Grosbach 2011-06-14 21:51:20 +00:00
parent c35dd25ab8
commit 6c3044db28
2 changed files with 5 additions and 37 deletions
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13
include/llvm/MC/MCContext.h
View File

@ -39,9 +39,6 @@ namespace llvm {
class MCContext {
MCContext(const MCContext&); // DO NOT IMPLEMENT
MCContext &operator=(const MCContext&); // DO NOT IMPLEMENT
public:
typedef StringMap<MCSymbol*, BumpPtrAllocator&> SymbolTable;
private:
/// The MCAsmInfo for this target.
const MCAsmInfo &MAI;
@ -55,7 +52,7 @@ namespace llvm {
BumpPtrAllocator Allocator;
/// Symbols - Bindings of names to symbols.
SymbolTable Symbols;
StringMap<MCSymbol*, BumpPtrAllocator&> Symbols;
/// UsedNames - Keeps tracks of names that were used both for used declared
/// and artificial symbols.
@ -145,14 +142,6 @@ namespace llvm {
/// LookupSymbol - Get the symbol for \p Name, or null.
MCSymbol *LookupSymbol(StringRef Name) const;
/// getSymbols - Get a reference for the symbol table for clients that
/// want to, for example, iterate over all symbols. 'const' because we
/// still want any modifications to the table itself to use the MCContext
/// APIs.
const SymbolTable &getSymbols() const {
return Symbols;
}
/// @}
/// @name Section Management

29
lib/MC/MCParser/AsmParser.cpp
View File

@ -84,7 +84,6 @@ private:
AsmLexer Lexer;
MCContext &Ctx;
MCStreamer &Out;
const MCAsmInfo &MAI;
SourceMgr &SrcMgr;
MCAsmParserExtension *GenericParser;
MCAsmParserExtension *PlatformParser;
@ -136,7 +135,7 @@ public:
virtual MCContext &getContext() { return Ctx; }
virtual MCStreamer &getStreamer() { return Out; }
virtual bool Warning(SMLoc L, const Twine &Msg);
virtual bool Warning(SMLoc L, const Twine &Meg);
virtual bool Error(SMLoc L, const Twine &Msg);
const AsmToken &Lex();
@ -161,9 +160,8 @@ private:
void HandleMacroExit();
void PrintMacroInstantiations();
void PrintMessage(SMLoc Loc, const Twine &Msg, const char *Type,
bool ShowLine = true) const {
SrcMgr.PrintMessage(Loc, Msg, Type, ShowLine);
void PrintMessage(SMLoc Loc, const Twine &Msg, const char *Type) const {
SrcMgr.PrintMessage(Loc, Msg, Type);
}
/// EnterIncludeFile - Enter the specified file. This returns true on failure.
@ -339,7 +337,7 @@ enum { DEFAULT_ADDRSPACE = 0 };
AsmParser::AsmParser(const Target &T, SourceMgr &_SM, MCContext &_Ctx,
MCStreamer &_Out, const MCAsmInfo &_MAI)
: Lexer(_MAI), Ctx(_Ctx), Out(_Out), MAI(_MAI), SrcMgr(_SM),
: Lexer(_MAI), Ctx(_Ctx), Out(_Out), SrcMgr(_SM),
GenericParser(new GenericAsmParser), PlatformParser(0),
CurBuffer(0), MacrosEnabled(true) {
Lexer.setBuffer(SrcMgr.getMemoryBuffer(CurBuffer));
@ -468,25 +466,6 @@ bool AsmParser::Run(bool NoInitialTextSection, bool NoFinalize) {
TokError("unassigned file number: " + Twine(i) + " for .file directives");
}
// Check to see that all assembler local symbols were actually defined.
// Targets that don't do subsections via symbols may not want this, though,
// so conservatively exclude them.
if (MAI.hasSubsectionsViaSymbols()) {
const MCContext::SymbolTable &Symbols = getContext().getSymbols();
for (MCContext::SymbolTable::const_iterator i = Symbols.begin(),
e = Symbols.end();
i != e; ++i) {
MCSymbol *Sym = i->getValue();
if (Sym->isTemporary() && !Sym->isDefined())
// FIXME: We would really like to refer back to where the symbol was
// first referenced for a source location. We need to add something
// to track that. Currently, we just point to the end of the file.
PrintMessage(getLexer().getLoc(), "assembler local symbol '" +
Sym->getName() + "' not defined", "error", false);
}
}
// Finalize the output stream if there are no errors and if the client wants
// us to.
if (!HadError && !NoFinalize)