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Fix a leak found by asan.

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llvm-svn: 224776
This commit is contained in:
Rafael Espindola 2014-12-23 18:18:37 +00:00
parent 9d1882c36f
commit f9dc0ab110
1 changed files with 12 additions and 5 deletions
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17
tools/gold/gold-plugin.cpp
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@ -532,6 +532,13 @@ static Constant *mapConstantToLocalCopy(Constant *C, ValueToValueMapTy &VM,
return MapValue(C, VM, RF_IgnoreMissingEntries, nullptr, Materializer);
}
static void freeSymName(ld_plugin_symbol &Sym) {
free(Sym.name);
free(Sym.comdat_key);
Sym.name = nullptr;
Sym.comdat_key = nullptr;
}
static std::unique_ptr<Module>
getModuleForFile(LLVMContext &Context, claimed_file &F, raw_fd_ostream *ApiFile,
StringSet<> &Internalize, StringSet<> &Maybe) {
@ -581,8 +588,10 @@ getModuleForFile(LLVMContext &Context, claimed_file &F, raw_fd_ostream *ApiFile,
*ApiFile << Sym.name << ' ' << getResolutionName(Resolution) << '\n';
GlobalValue *GV = Obj.getSymbolGV(ObjSym.getRawDataRefImpl());
if (!GV)
if (!GV) {
freeSymName(Sym);
continue; // Asm symbol.
}
if (Resolution != LDPR_PREVAILING_DEF_IRONLY && GV->hasCommonLinkage()) {
// Common linkage is special. There is no single symbol that wins the
@ -590,6 +599,7 @@ getModuleForFile(LLVMContext &Context, claimed_file &F, raw_fd_ostream *ApiFile,
// The IR linker does that for us if we just pass it every common GV.
// We still have to keep track of LDPR_PREVAILING_DEF_IRONLY so we
// internalize once the IR linker has done its job.
freeSymName(Sym);
continue;
}
@ -642,10 +652,7 @@ getModuleForFile(LLVMContext &Context, claimed_file &F, raw_fd_ostream *ApiFile,
}
}
free(Sym.name);
free(Sym.comdat_key);
Sym.name = nullptr;
Sym.comdat_key = nullptr;
freeSymName(Sym);
}
ValueToValueMapTy VM;