Output ELF files after ThinLTO is run.
Summary:
The gold linker allowed you to output the ELF files after LTO was run. It did
it by using the 'obj-path' option. This replicates that behavior.
Reviewers: espindola, ruiu, MaskRay, pcc
Reviewed By: MaskRay, pcc
Subscribers: grimar, emaste, inglorion, arichardson, steven_wu, dexonsmith, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D56046
llvm-svn: 354917
diff --git a/lld/ELF/LTO.cpp b/lld/ELF/LTO.cpp
index 6eecb79..e0011f7 100644
--- a/lld/ELF/LTO.cpp
+++ b/lld/ELF/LTO.cpp
@@ -276,20 +276,23 @@
if (!Config->ThinLTOCacheDir.empty())
pruneCache(Config->ThinLTOCacheDir, Config->ThinLTOCachePolicy);
- std::vector<InputFile *> Ret;
- for (unsigned I = 0; I != MaxTasks; ++I) {
- if (Buf[I].empty())
- continue;
- if (Config->SaveTemps) {
- if (I == 0)
- saveBuffer(Buf[I], Config->OutputFile + ".lto.o");
- else
- saveBuffer(Buf[I], Config->OutputFile + Twine(I) + ".lto.o");
- }
- InputFile *Obj = createObjectFile(MemoryBufferRef(Buf[I], "lto.tmp"));
- Ret.push_back(Obj);
+ if (!Config->LTOObjPath.empty()) {
+ saveBuffer(Buf[0], Config->LTOObjPath);
+ for (unsigned I = 1; I != MaxTasks; ++I)
+ saveBuffer(Buf[I], Config->LTOObjPath + Twine(I));
}
+ if (Config->SaveTemps) {
+ saveBuffer(Buf[0], Config->OutputFile + ".lto.o");
+ for (unsigned I = 1; I != MaxTasks; ++I)
+ saveBuffer(Buf[I], Config->OutputFile + Twine(I) + ".lto.o");
+ }
+
+ std::vector<InputFile *> Ret;
+ for (unsigned I = 0; I != MaxTasks; ++I)
+ if (!Buf[I].empty())
+ Ret.push_back(createObjectFile(MemoryBufferRef(Buf[I], "lto.tmp")));
+
for (std::unique_ptr<MemoryBuffer> &File : Files)
if (File)
Ret.push_back(createObjectFile(*File));