Index: ELF/LTO.cpp =================================================================== --- ELF/LTO.cpp +++ ELF/LTO.cpp @@ -276,20 +276,23 @@ if (!Config->ThinLTOCacheDir.empty()) pruneCache(Config->ThinLTOCacheDir, Config->ThinLTOCachePolicy); - std::vector 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 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 &File : Files) if (File) Ret.push_back(createObjectFile(*File)); Index: test/ELF/lto/Inputs/obj-path.ll =================================================================== --- test/ELF/lto/Inputs/obj-path.ll +++ test/ELF/lto/Inputs/obj-path.ll @@ -0,0 +1,7 @@ +target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" +target triple = "x86_64-unknown-linux-gnu" + +define void @g() { +entry: + ret void +} Index: test/ELF/lto/obj-path.ll =================================================================== --- test/ELF/lto/obj-path.ll +++ test/ELF/lto/obj-path.ll @@ -0,0 +1,35 @@ +; REQUIRES: x86 + +; RUN: opt -module-summary %s -o %t1.o +; RUN: opt -module-summary %p/Inputs/obj-path.ll -o %t2.o + +; Test to ensure that obj-path creates the ELF file. +; RUN: rm -f %t4.o +; RUN: ld.lld --plugin-opt=obj-path=%t4.o -shared %t1.o %t2.o -o %t3 +; RUN: llvm-readobj -t %t3 | FileCheck %s +; RUN: llvm-readobj -h %t4.o1 | FileCheck %s -check-prefix=ELF1 +; RUN: llvm-readobj -h %t4.o2 | FileCheck %s -check-prefix=ELF2 +; RUN: llvm-nm %t4.o1 2>&1 | FileCheck %s -check-prefix=NM1 +; RUN: llvm-nm %t4.o2 2>&1 | FileCheck %s -check-prefix=NM2 + +; CHECK: Name: g +; CHECK-NEXT: Value: 0x1010 +; CHECK: Name: f +; CHECK-NEXT: Value: 0x1000 + +; NM1: T f +; ELF1: Format: ELF64-x86-64 + +; NM2: T g +; ELF2: Format: ELF64-x86-64 + +target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" +target triple = "x86_64-unknown-linux-gnu" + +declare void @g(...) + +define void @f() { +entry: + call void (...) @g() + ret void +}