[WebAssembly] Use StringSaver to retain ownership of ctor function body. NFC

Differential Revision: https://reviews.llvm.org/D44149

llvm-svn: 326885
This commit is contained in:
Nicholas Wilson 2018-03-07 10:37:50 +00:00
parent 19f531d31e
commit 8269f37ce6
2 changed files with 9 additions and 6 deletions

View File

@ -24,7 +24,6 @@
#include "Config.h"
#include "InputFiles.h"
#include "lld/Common/ErrorHandler.h"
#include "lld/Common/Strings.h"
#include "llvm/Object/Wasm.h"
using llvm::object::WasmSegment;
@ -152,16 +151,18 @@ protected:
class SyntheticFunction : public InputFunction {
public:
SyntheticFunction(const WasmSignature &S, std::string Body, StringRef Name)
: InputFunction(S, nullptr, nullptr), Name(Name), Body(std::move(Body)) {}
SyntheticFunction(const WasmSignature &S, ArrayRef<uint8_t> Body,
StringRef Name)
: InputFunction(S, nullptr, nullptr), Name(Name), Body(Body) {}
StringRef getName() const override { return Name; }
StringRef getComdat() const override { return StringRef(); }
protected:
ArrayRef<uint8_t> data() const override { return toArrayRef(Body); }
ArrayRef<uint8_t> data() const override { return Body; }
StringRef Name;
std::string Body;
ArrayRef<uint8_t> Body;
};
} // namespace wasm

View File

@ -17,6 +17,7 @@
#include "WriterUtils.h"
#include "lld/Common/ErrorHandler.h"
#include "lld/Common/Memory.h"
#include "lld/Common/Strings.h"
#include "lld/Common/Threads.h"
#include "llvm/ADT/DenseSet.h"
#include "llvm/BinaryFormat/Wasm.h"
@ -873,7 +874,8 @@ void Writer::createCtorFunction() {
const WasmSignature *Sig = WasmSym::CallCtors->getFunctionType();
SyntheticFunction *F = make<SyntheticFunction>(
*Sig, std::move(FunctionBody), WasmSym::CallCtors->getName());
*Sig, toArrayRef(Saver.save(FunctionBody)),
WasmSym::CallCtors->getName());
F->setOutputIndex(FunctionIndex);
F->Live = true;