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-rw-r--r--llvm/tools/gold/gold-plugin.cpp17
1 files changed, 12 insertions, 5 deletions
diff --git a/llvm/tools/gold/gold-plugin.cpp b/llvm/tools/gold/gold-plugin.cpp
index ee1cf979052..6b5864457a4 100644
--- a/llvm/tools/gold/gold-plugin.cpp
+++ b/llvm/tools/gold/gold-plugin.cpp
@@ -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;
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