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[WebAssembly] Reduce code repetition. NFC. 

Differential Revision: https://reviews.llvm.org/D43910

llvm-svn: 326379
This commit is contained in:
Rui Ueyama 2018-02-28 22:51:51 +00:00
parent 1584f9eddd
commit b961abc886
3 changed files with 14 additions and 21 deletions
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28
lld/wasm/SymbolTable.cpp
View File

@ -125,31 +125,23 @@ DefinedFunction *SymbolTable::addSyntheticFunction(StringRef Name,
const WasmSignature *Type,
uint32_t Flags) {
DEBUG(dbgs() << "addSyntheticFunction: " << Name << "\n");
Symbol *S;
bool WasInserted;
std::tie(S, WasInserted) = insert(Name);
assert(WasInserted);
return replaceSymbol<DefinedFunction>(S, Name, Flags, Type);
assert(!find(Name));
return replaceSymbol<DefinedFunction>(insert(Name).first, Name, Flags, Type);
}
DefinedData *SymbolTable::addSyntheticDataSymbol(StringRef Name,
uint32_t Flags) {
DEBUG(dbgs() << "addSyntheticDataSymbol: " << Name << "\n");
Symbol *S;
bool WasInserted;
std::tie(S, WasInserted) = insert(Name);
assert(WasInserted);
return replaceSymbol<DefinedData>(S, Name, Flags);
assert(!find(Name));
return replaceSymbol<DefinedData>(insert(Name).first, Name, Flags);
}
DefinedGlobal *SymbolTable::addSyntheticGlobal(StringRef Name, uint32_t Flags,
InputGlobal *Global) {
DEBUG(dbgs() << "addSyntheticGlobal: " << Name << " -> " << Global << "\n");
Symbol *S;
bool WasInserted;
std::tie(S, WasInserted) = insert(Name);
assert(WasInserted);
return replaceSymbol<DefinedGlobal>(S, Name, Flags, nullptr, Global);
assert(!find(Name));
return replaceSymbol<DefinedGlobal>(insert(Name).first, Name, Flags, nullptr,
Global);
}
static bool shouldReplace(const Symbol *Existing, InputFile *NewFile,
@ -251,7 +243,7 @@ Symbol *SymbolTable::addUndefinedFunction(StringRef Name, uint32_t Flags,
if (WasInserted)
replaceSymbol<UndefinedFunction>(S, Name, Flags, File, Sig);
else if (auto *Lazy = dyn_cast<LazySymbol>(S))
cast<ArchiveFile>(Lazy->getFile())->addMember(&Lazy->getArchiveSymbol());
Lazy->fetch();
else if (S->isDefined())
checkFunctionType(S, File, Sig);
return S;
@ -268,7 +260,7 @@ Symbol *SymbolTable::addUndefinedData(StringRef Name, uint32_t Flags,
if (WasInserted)
replaceSymbol<UndefinedData>(S, Name, Flags, File);
else if (auto *Lazy = dyn_cast<LazySymbol>(S))
cast<ArchiveFile>(Lazy->getFile())->addMember(&Lazy->getArchiveSymbol());
Lazy->fetch();
else if (S->isDefined())
checkDataType(S, File);
return S;
@ -286,7 +278,7 @@ Symbol *SymbolTable::addUndefinedGlobal(StringRef Name, uint32_t Flags,
if (WasInserted)
replaceSymbol<UndefinedGlobal>(S, Name, Flags, File, Type);
else if (auto *Lazy = dyn_cast<LazySymbol>(S))
cast<ArchiveFile>(Lazy->getFile())->addMember(&Lazy->getArchiveSymbol());
Lazy->fetch();
else if (S->isDefined())
checkGlobalType(S, File, Type);
return S;

2
lld/wasm/Symbols.cpp
View File

@ -178,6 +178,8 @@ DefinedGlobal::DefinedGlobal(StringRef Name, uint32_t Flags, InputFile *File,
Global ? &Global->getType() : nullptr),
Global(Global) {}
void LazySymbol::fetch() { cast<ArchiveFile>(File)->addMember(&ArchiveSymbol); }
std::string lld::toString(const wasm::Symbol &Sym) {
if (Config->Demangle)
if (Optional<std::string> S = demangleItanium(Sym.getName()))

5
lld/wasm/Symbols.h
View File

@ -257,10 +257,9 @@ public:
: Symbol(Name, LazyKind, 0, File), ArchiveSymbol(Sym) {}
static bool classof(const Symbol *S) { return S->kind() == LazyKind; }
void fetch();
const Archive::Symbol &getArchiveSymbol() { return ArchiveSymbol; }
protected:
private:
Archive::Symbol ArchiveSymbol;
};