[PATCH] D56046: Output ELF files after ThinLTO is run.

[Bill Wendling via Phabricator via llvm-commits]

void updated this revision to Diff 179790.
void added a comment.

Don't append "0" to the object filename.


Repository:
  rLLD LLVM Linker

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D56046/new/

https://reviews.llvm.org/D56046

Files:
  ELF/LTO.cpp
  test/ELF/lto/Inputs/obj-path.ll
  test/ELF/lto/obj-path.ll


Index: test/ELF/lto/obj-path.ll
===================================================================
--- /dev/null
+++ test/ELF/lto/obj-path.ll
@@ -0,0 +1,27 @@
+; 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 -h %t4.o1 | FileCheck %s
+; RUN: llvm-readobj -h %t4.o2 | FileCheck %s
+; RUN: llvm-nm %t4.o1 2>&1 | FileCheck %s -check-prefix=SYMBOLS
+; RUN: llvm-nm %t4.o2 2>&1 | FileCheck %p/Inputs/obj-path.ll -check-prefix=SYMBOLS
+
+; SYMBOLS: T f
+
+; CHECK: 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
+}
Index: test/ELF/lto/Inputs/obj-path.ll
===================================================================
--- /dev/null
+++ test/ELF/lto/Inputs/obj-path.ll
@@ -0,0 +1,10 @@
+; SYMBOLS: T g
+
+; CHECK: 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"
+
+define void @g() {
+entry:
+  ret void
+}
Index: ELF/LTO.cpp
===================================================================
--- ELF/LTO.cpp
+++ ELF/LTO.cpp
@@ -240,6 +240,11 @@
 
   checkError(LTOObj->run(
       [&](size_t Task) {
+        if (!Config->ThinLTOIndexOnly && !Config->LTOObjPath.empty()) {
+          std::string Filename = Config->LTOObjPath;
+          if (Task) Filename += utostr(Task);
+          return llvm::make_unique<lto::NativeObjectStream>(openFile(Filename));
+        }
         return llvm::make_unique<lto::NativeObjectStream>(
             llvm::make_unique<raw_svector_ostream>(Buf[Task]));
       },


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