https://github.com/MaskRay updated
https://github.com/llvm/llvm-project/pull/78835
>From 37b3ff263f2b46bd4541157bee5b5e1bf2639604 Mon Sep 17 00:00:00 2001
From: Fangrui Song <i...@maskray.me>
Date: Sat, 20 Jan 2024 00:40:53 -0800
Subject: [PATCH] =?UTF-8?q?[=F0=9D=98=80=F0=9D=97=BD=F0=9D=97=BF]=20initia?=
=?UTF-8?q?l=20version?=
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Created using spr 1.3.4
---
lld/ELF/LTO.cpp | 70 ++++++++++++++--------
lld/ELF/LTO.h | 3 +-
lld/test/ELF/common-archive-lookup.s | 7 ++-
lld/test/ELF/lto/comdat-mixed-archive.test | 4 +-
lld/test/ELF/lto/emit-asm.ll | 13 ++--
lld/test/ELF/lto/exclude-libs-libcall.ll | 2 +-
lld/test/ELF/lto/obj-path.ll | 4 +-
lld/test/ELF/lto/parallel-internalize.ll | 2 +-
lld/test/ELF/lto/parallel.ll | 2 +-
lld/test/ELF/lto/pseudo-probe-lto.ll | 3 +-
lld/test/ELF/lto/save-temps-eq.ll | 10 ++--
lld/test/ELF/lto/thinlto.ll | 48 +++++++--------
12 files changed, 97 insertions(+), 71 deletions(-)
diff --git a/lld/ELF/LTO.cpp b/lld/ELF/LTO.cpp
index 504c12aac6c569..843ee59479eae9 100644
--- a/lld/ELF/LTO.cpp
+++ b/lld/ELF/LTO.cpp
@@ -12,6 +12,7 @@
#include "SymbolTable.h"
#include "Symbols.h"
#include "lld/Common/Args.h"
+#include "lld/Common/CommonLinkerContext.h"
#include "lld/Common/ErrorHandler.h"
#include "lld/Common/Filesystem.h"
#include "lld/Common/Strings.h"
@@ -26,6 +27,7 @@
#include "llvm/Support/Caching.h"
#include "llvm/Support/CodeGen.h"
#include "llvm/Support/Error.h"
+#include "llvm/Support/Path.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/MemoryBuffer.h"
#include <algorithm>
@@ -303,6 +305,7 @@ std::vector<InputFile *> BitcodeCompiler::compile() {
unsigned maxTasks = ltoObj->getMaxTasks();
buf.resize(maxTasks);
files.resize(maxTasks);
+ filenames.resize(maxTasks);
// The --thinlto-cache-dir option specifies the path to a directory in which
// to cache native object files for ThinLTO incremental builds. If a path was
@@ -313,13 +316,15 @@ std::vector<InputFile *> BitcodeCompiler::compile() {
[&](size_t task, const Twine &moduleName,
std::unique_ptr<MemoryBuffer> mb) {
files[task] = std::move(mb);
+ filenames[task] = moduleName.str();
}));
if (!ctx.bitcodeFiles.empty())
checkError(ltoObj->run(
[&](size_t task, const Twine &moduleName) {
+ buf[task].first = moduleName.str();
return std::make_unique<CachedFileStream>(
- std::make_unique<raw_svector_ostream>(buf[task]));
+ std::make_unique<raw_svector_ostream>(buf[task].second));
},
cache));
@@ -338,7 +343,7 @@ std::vector<InputFile *> BitcodeCompiler::compile() {
if (config->thinLTOIndexOnly) {
if (!config->ltoObjPath.empty())
- saveBuffer(buf[0], config->ltoObjPath);
+ saveBuffer(buf[0].second, config->ltoObjPath);
// ThinLTO with index only option is required to generate only the index
// files. After that, we exit from linker and ThinLTO backend runs in a
@@ -352,32 +357,49 @@ std::vector<InputFile *> BitcodeCompiler::compile() {
pruneCache(config->thinLTOCacheDir, config->thinLTOCachePolicy, files);
if (!config->ltoObjPath.empty()) {
- saveBuffer(buf[0], config->ltoObjPath);
+ saveBuffer(buf[0].second, config->ltoObjPath);
for (unsigned i = 1; i != maxTasks; ++i)
- saveBuffer(buf[i], config->ltoObjPath + Twine(i));
- }
-
- if (config->saveTempsArgs.contains("prelink")) {
- if (!buf[0].empty())
- saveBuffer(buf[0], config->outputFile + ".lto.o");
- for (unsigned i = 1; i != maxTasks; ++i)
- saveBuffer(buf[i], config->outputFile + Twine(i) + ".lto.o");
- }
-
- if (config->ltoEmitAsm) {
- saveBuffer(buf[0], config->outputFile);
- for (unsigned i = 1; i != maxTasks; ++i)
- saveBuffer(buf[i], config->outputFile + Twine(i));
- return {};
+ saveBuffer(buf[i].second, config->ltoObjPath + Twine(i));
}
+ bool savePrelink = config->saveTempsArgs.contains("prelink");
std::vector<InputFile *> ret;
- for (unsigned i = 0; i != maxTasks; ++i)
- if (!buf[i].empty())
- ret.push_back(createObjFile(MemoryBufferRef(buf[i], "lto.tmp")));
+ const char *ext = config->ltoEmitAsm ? ".s" : ".o";
+ for (unsigned i = 0; i != maxTasks; ++i) {
+ StringRef bitcodeFilePath;
+ StringRef objBuf;
+ if (files[i]) {
+ objBuf = files[i]->getBuffer();
+ bitcodeFilePath = filenames[i];
+ } else {
+ objBuf = buf[i].second;
+ bitcodeFilePath = buf[i].first;
+ }
+ if (objBuf.empty())
+ continue;
- for (std::unique_ptr<MemoryBuffer> &file : files)
- if (file)
- ret.push_back(createObjFile(*file));
+ // If the input bitcode file is path/to/a.o and -o specifies a.out, then
the
+ // corresponding lto object file name will look something like:
+ // path/to/a.out.lto.a.o.
+ StringRef ltoObjName;
+ if (bitcodeFilePath == "ld-temp.o") {
+ ltoObjName =
+ saver().save(Twine(config->outputFile) + ".lto" +
+ (i == 0 ? Twine("") : Twine('.') + Twine(i)) + ext);
+ } else {
+ StringRef directory = sys::path::parent_path(bitcodeFilePath);
+ StringRef baseName = sys::path::stem(bitcodeFilePath);
+ StringRef outputFileBaseName = sys::path::filename(config->outputFile);
+ SmallString<256> path;
+ sys::path::append(path, directory,
+ outputFileBaseName + ".lto." + baseName + ext);
+ sys::path::remove_dots(path, true);
+ ltoObjName = saver().save(path.str());
+ }
+ if (savePrelink || config->ltoEmitAsm)
+ saveBuffer(buf[i].second, ltoObjName);
+ if (!config->ltoEmitAsm)
+ ret.push_back(createObjFile(MemoryBufferRef(objBuf, ltoObjName)));
+ }
return ret;
}
diff --git a/lld/ELF/LTO.h b/lld/ELF/LTO.h
index 7ab654101f2487..d3c22883c1da34 100644
--- a/lld/ELF/LTO.h
+++ b/lld/ELF/LTO.h
@@ -46,8 +46,9 @@ class BitcodeCompiler {
private:
std::unique_ptr<llvm::lto::LTO> ltoObj;
- std::vector<SmallString<0>> buf;
+ SmallVector<std::pair<std::string, SmallString<0>>, 0> buf;
std::vector<std::unique_ptr<MemoryBuffer>> files;
+ SmallVector<std::string, 0> filenames;
llvm::DenseSet<StringRef> usedStartStop;
std::unique_ptr<llvm::raw_fd_ostream> indexFile;
llvm::DenseSet<StringRef> thinIndices;
diff --git a/lld/test/ELF/common-archive-lookup.s
b/lld/test/ELF/common-archive-lookup.s
index 297d3d9b6f36ec..abf3feb4e751fb 100644
--- a/lld/test/ELF/common-archive-lookup.s
+++ b/lld/test/ELF/common-archive-lookup.s
@@ -61,10 +61,11 @@
# RUN: ld.lld --no-fortran-common -o 11 main.o --start-lib 1.o
strong_data_only.o --end-lib
# RUN: llvm-readobj --syms 11 | FileCheck --check-prefix=NFC %s
-# RUN: ld.lld -o - main.o 4.a --fortran-common --lto-emit-asm | FileCheck
--check-prefix=ASM %s
+# RUN: ld.lld -o out main.o 4.a --fortran-common --lto-emit-asm
+# RUN: FileCheck --check-prefix=ASM %s < out.lto.s
-# RUN: ld.lld -o - main.o --start-lib 1.bc 2.bc --end-lib --fortran-common
--lto-emit-asm | \
-# RUN: FileCheck --check-prefix=ASM %s
+# RUN: ld.lld -o out main.o --start-lib 1.bc 2.bc --end-lib --fortran-common
--lto-emit-asm
+# RUN: FileCheck --check-prefix=ASM %s < out.lto.s
## COMMON overrides weak. Don't extract 3.bc which provides a weak definition.
# RUN: ld.lld -o /dev/null main.o --start-lib 1.bc 3.bc --end-lib -y block |
FileCheck --check-prefix=LTO_WEAK %s
diff --git a/lld/test/ELF/lto/comdat-mixed-archive.test
b/lld/test/ELF/lto/comdat-mixed-archive.test
index d7ea4eb18c72ec..88e294ed987221 100644
--- a/lld/test/ELF/lto/comdat-mixed-archive.test
+++ b/lld/test/ELF/lto/comdat-mixed-archive.test
@@ -35,8 +35,8 @@ TRACE-NEXT: lib.a(obj.o): definition of bar
TRACE-NEXT: lib.a(obj.o): reference to foo
TRACE-NEXT: <internal>: reference to foo
;; The definition of "foo" is visible outside the LTO result.
-TRACE-NEXT: lto.tmp: definition of foo
-TRACE-NEXT: lto.tmp: reference to bar
+TRACE-NEXT: {{.*}}.lto.o: definition of foo
+TRACE-NEXT: {{.*}}.lto.o: reference to bar
;--- start.s
.global _start, baz
diff --git a/lld/test/ELF/lto/emit-asm.ll b/lld/test/ELF/lto/emit-asm.ll
index 03cf32d904520f..463b4fc3c5f620 100644
--- a/lld/test/ELF/lto/emit-asm.ll
+++ b/lld/test/ELF/lto/emit-asm.ll
@@ -1,13 +1,14 @@
; REQUIRES: x86
; RUN: rm -rf %t && mkdir %t && cd %t
; RUN: llvm-as %s -o a.bc
-; RUN: ld.lld --lto-emit-asm -shared a.bc -o - | FileCheck %s
-; RUN: ld.lld --plugin-opt=emit-asm --plugin-opt=lto-partitions=2 -shared a.bc
-o out.s
-; RUN: cat out.s out.s1 | FileCheck %s
+; RUN: ld.lld --lto-emit-asm -shared a.bc -o out 2>&1 | count 0
+; RUN: FileCheck %s < out.lto.s
+; RUN: ld.lld --plugin-opt=emit-asm --plugin-opt=lto-partitions=2 -shared a.bc
-o out
+; RUN: cat out.lto.s out.lto.1.s | FileCheck %s
-; RUN: ld.lld --lto-emit-asm --save-temps -shared a.bc -o out.s
-; RUN: FileCheck --input-file out.s %s
-; RUN: llvm-dis out.s.0.4.opt.bc -o - | FileCheck --check-prefix=OPT %s
+; RUN: ld.lld --lto-emit-asm --save-temps -shared a.bc -o out
+; RUN: FileCheck --input-file out.lto.s %s
+; RUN: llvm-dis out.0.4.opt.bc -o - | FileCheck --check-prefix=OPT %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
diff --git a/lld/test/ELF/lto/exclude-libs-libcall.ll
b/lld/test/ELF/lto/exclude-libs-libcall.ll
index 3fdffb4276d9ed..8e1d54853cc379 100644
--- a/lld/test/ELF/lto/exclude-libs-libcall.ll
+++ b/lld/test/ELF/lto/exclude-libs-libcall.ll
@@ -7,7 +7,7 @@
; RUN: llvm-readelf --dyn-syms %t.so | FileCheck %s
; TRACE: {{.*}}/b.a(b.o): lazy definition of __divti3
-; TRACE-NEXT: lto.tmp: reference to __divti3
+; TRACE-NEXT: {{.*}}.lto.o: reference to __divti3
; TRACE-NEXT: {{.*}}/b.a(b.o): definition of __divti3
; CHECK: Symbol table '.dynsym' contains 2 entries:
diff --git a/lld/test/ELF/lto/obj-path.ll b/lld/test/ELF/lto/obj-path.ll
index 23b593bd36fa8f..c0bb4addf24666 100644
--- a/lld/test/ELF/lto/obj-path.ll
+++ b/lld/test/ELF/lto/obj-path.ll
@@ -67,12 +67,12 @@
;; Ensure lld emits empty combined module if specific obj-path.
; RUN: mkdir obj
; RUN: ld.lld --plugin-opt=obj-path=objpath.o -shared 1.bc d/2.bc -o obj/out
--save-temps
-; RUN: ls obj/out.lto.o obj/out1.lto.o obj/out2.lto.o
+; RUN: ls obj/out.lto.o out.lto.1.o d/out.lto.2.o
;; Ensure lld does not emit empty combined module by default.
; RUN: rm -fr obj && mkdir obj
; RUN: ld.lld -shared 1.bc d/2.bc -o obj/out --save-temps
-; RUN: ls obj/out*.lto.* | count 2
+; RUN: not test -e obj/out.lto.o
; EMPTY: file format elf64-x86-64
; EMPTY-NOT: {{.}}
diff --git a/lld/test/ELF/lto/parallel-internalize.ll
b/lld/test/ELF/lto/parallel-internalize.ll
index 9cd080360d396b..a1511d6f6867d4 100644
--- a/lld/test/ELF/lto/parallel-internalize.ll
+++ b/lld/test/ELF/lto/parallel-internalize.ll
@@ -4,7 +4,7 @@
; RUN: ld.lld --lto-partitions=2 -save-temps -o out a.bc -e foo --lto-O0
; RUN: llvm-readobj --symbols --dyn-syms out | FileCheck %s
; RUN: llvm-nm out.lto.o | FileCheck --check-prefix=CHECK0 %s
-; RUN: llvm-nm out1.lto.o | FileCheck --check-prefix=CHECK1 %s
+; RUN: llvm-nm out.lto.1.o | FileCheck --check-prefix=CHECK1 %s
; CHECK: Symbols [
; CHECK-NEXT: Symbol {
diff --git a/lld/test/ELF/lto/parallel.ll b/lld/test/ELF/lto/parallel.ll
index c6c9a185677b83..6b2c352b0a9654 100644
--- a/lld/test/ELF/lto/parallel.ll
+++ b/lld/test/ELF/lto/parallel.ll
@@ -3,7 +3,7 @@
; RUN: llvm-as -o a.bc %s
; RUN: ld.lld --lto-partitions=2 -save-temps -o out a.bc -shared
; RUN: llvm-nm out.lto.o | FileCheck --check-prefix=CHECK0 %s
-; RUN: llvm-nm out1.lto.o | FileCheck --check-prefix=CHECK1 %s
+; RUN: llvm-nm out.lto.1.o | FileCheck --check-prefix=CHECK1 %s
; RUN: not ld.lld --lto-partitions=0 a.bc -o /dev/null 2>&1 | FileCheck
--check-prefix=INVALID %s
; INVALID: --lto-partitions: number of threads must be > 0
diff --git a/lld/test/ELF/lto/pseudo-probe-lto.ll
b/lld/test/ELF/lto/pseudo-probe-lto.ll
index 3840c7c2281c06..cabd69da33fe2c 100644
--- a/lld/test/ELF/lto/pseudo-probe-lto.ll
+++ b/lld/test/ELF/lto/pseudo-probe-lto.ll
@@ -1,6 +1,7 @@
; REQUIRES: x86
; RUN: opt < %s -passes=pseudo-probe -function-sections -o %t.o
-; RUN: ld.lld %t.o -shared --lto-emit-asm -o - | FileCheck %s
+; RUN: ld.lld %t.o -shared --lto-emit-asm -o %t
+; RUN: FileCheck %s < %t.lto.s
target datalayout =
"e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-scei-ps4"
diff --git a/lld/test/ELF/lto/save-temps-eq.ll
b/lld/test/ELF/lto/save-temps-eq.ll
index ed9c3970347f3c..9befc99af92534 100644
--- a/lld/test/ELF/lto/save-temps-eq.ll
+++ b/lld/test/ELF/lto/save-temps-eq.ll
@@ -14,14 +14,14 @@
;; Create the .all dir with save-temps saving everything, this will be used to
compare
;; with the output from individualized save-temps later
; RUN: ld.lld main.o thin1.o --save-temps -o %t/all/a.out
-; RUN: mv *.o.* %t/all
+; RUN: mv a.out.lto.* *.o.*.bc %t/all
;; Sanity check that everything got moved
; RUN: ls | count 2
;; Check precedence if both --save-temps and --save-temps= are present
; RUN: ld.lld main.o thin1.o --save-temps=preopt --save-temps
--save-temps=\opt -o %t/all2/a.out
; RUN: cmp %t/all2/a.out %t/all/a.out
-; RUN: mv *.o.* %t/all2
+; RUN: mv a.out.lto.* *.o.* %t/all2
; RUN: ls | count 2
; RUN: diff -r %t/all %t/all2
@@ -83,8 +83,8 @@
;; Check prelink
; RUN: ld.lld main.o thin1.o --save-temps=prelink
; RUN: cmp %t/all/a.out a.out && rm -f a.out
-; RUN: cp *.lto.o %t/subset2
-; RUN: mv *.lto.o %t/all3
+; RUN: cp a.out.lto.*.o %t/subset2
+; RUN: mv a.out.lto.*.o %t/all3
; RUN: ls | count 2
;; Check resolution
@@ -104,7 +104,7 @@
; RUN: cmp %t/all/a.out a.out && rm -f a.out
; RUN: mv *.0.preopt.* %t/subset
; RUN: mv *.4.opt* %t/subset
-; RUN: mv *.lto.o %t/subset
+; RUN: mv a.out.lto.*.o %t/subset
; RUN: ls | count 2
; RUN: diff -r %t/subset2 %t/subset
diff --git a/lld/test/ELF/lto/thinlto.ll b/lld/test/ELF/lto/thinlto.ll
index 4145007d9b2016..326938bd1fd723 100644
--- a/lld/test/ELF/lto/thinlto.ll
+++ b/lld/test/ELF/lto/thinlto.ll
@@ -7,56 +7,56 @@
; RUN: opt -module-summary %p/Inputs/thinlto.ll -o d/2.o
; First force single-threaded mode
-; RUN: rm -f e/out1.lto.o e/out2.lto.o
+; RUN: rm -f out.lto.1.o d/out.lto.2.o
; RUN: ld.lld -save-temps --thinlto-jobs=1 -shared 1.o d/2.o -o e/out
-; RUN: llvm-nm e/out1.lto.o | FileCheck %s --check-prefix=NM1
-; RUN: llvm-nm e/out2.lto.o | FileCheck %s --check-prefix=NM2
+; RUN: llvm-nm out.lto.1.o | FileCheck %s --check-prefix=NM1
+; RUN: llvm-nm d/out.lto.2.o | FileCheck %s --check-prefix=NM2
; Next force multi-threaded mode
-; RUN: rm -f e/out1.lto.o e/out2.lto.o
+; RUN: rm -f out.lto.1.o d/out.lto.2.o
; RUN: ld.lld -save-temps --thinlto-jobs=2 -shared 1.o d/2.o -o e/out
-; RUN: llvm-nm e/out1.lto.o | FileCheck %s --check-prefix=NM1
-; RUN: llvm-nm e/out2.lto.o | FileCheck %s --check-prefix=NM2
+; RUN: llvm-nm out.lto.1.o | FileCheck %s --check-prefix=NM1
+; RUN: llvm-nm d/out.lto.2.o | FileCheck %s --check-prefix=NM2
;; --plugin-opt=jobs= is an alias.
-; RUN: rm -f e/out1.lto.o e/out2.lto.o
+; RUN: rm -f out.lto.1.o d/out.lto.2.o
; RUN: ld.lld -save-temps --plugin-opt=jobs=2 -shared 1.o d/2.o -o e/out
-; RUN: llvm-nm e/out1.lto.o | FileCheck %s --check-prefix=NM1
-; RUN: llvm-nm e/out2.lto.o | FileCheck %s --check-prefix=NM2
+; RUN: llvm-nm out.lto.1.o | FileCheck %s --check-prefix=NM1
+; RUN: llvm-nm d/out.lto.2.o | FileCheck %s --check-prefix=NM2
;; --thinlto-jobs= defaults to --threads=.
-; RUN: rm -f e/out1.lto.o e/out2.lto.o
+; RUN: rm -f out.lto.1.o d/out.lto.2.o
; RUN: ld.lld -save-temps --threads=2 -shared 1.o d/2.o -o e/out
-; RUN: llvm-nm e/out1.lto.o | FileCheck %s --check-prefix=NM1
-; RUN: llvm-nm e/out2.lto.o | FileCheck %s --check-prefix=NM2
+; RUN: llvm-nm out.lto.1.o | FileCheck %s --check-prefix=NM1
+; RUN: llvm-nm d/out.lto.2.o | FileCheck %s --check-prefix=NM2
;; --thinlto-jobs= overrides --threads=.
-; RUN: rm -f e/out1.lto.o e/out2.lto.o
+; RUN: rm -f out.lto.1.o d/out.lto.2.o
; RUN: ld.lld -save-temps --threads=1 --plugin-opt=jobs=2 -shared 1.o d/2.o -o
e/out
-; RUN: llvm-nm e/out1.lto.o | FileCheck %s --check-prefix=NM1
-; RUN: llvm-nm e/out2.lto.o | FileCheck %s --check-prefix=NM2
+; RUN: llvm-nm out.lto.1.o | FileCheck %s --check-prefix=NM1
+; RUN: llvm-nm d/out.lto.2.o | FileCheck %s --check-prefix=NM2
; Test with all threads, on all cores, on all CPU sockets
-; RUN: rm -f e/out1.lto.o e/out2.lto.o
+; RUN: rm -f out.lto.1.o d/out.lto.2.o
; RUN: ld.lld -save-temps --thinlto-jobs=all -shared 1.o d/2.o -o e/out
-; RUN: llvm-nm e/out1.lto.o | FileCheck %s --check-prefix=NM1
-; RUN: llvm-nm e/out2.lto.o | FileCheck %s --check-prefix=NM2
+; RUN: llvm-nm out.lto.1.o | FileCheck %s --check-prefix=NM1
+; RUN: llvm-nm d/out.lto.2.o | FileCheck %s --check-prefix=NM2
; Test with many more threads than the system has
-; RUN: rm -f e/out1.lto.o e/out2.lto.o
+; RUN: rm -f out.lto.1.o d/out.lto.2.o
; RUN: ld.lld -save-temps --thinlto-jobs=100 -shared 1.o d/2.o -o e/out
-; RUN: llvm-nm e/out1.lto.o | FileCheck %s --check-prefix=NM1
-; RUN: llvm-nm e/out2.lto.o | FileCheck %s --check-prefix=NM2
+; RUN: llvm-nm out.lto.1.o | FileCheck %s --check-prefix=NM1
+; RUN: llvm-nm d/out.lto.2.o | FileCheck %s --check-prefix=NM2
; Test with a bad value
-; RUN: rm -f e/out1.lto.o e/out2.lto.o
+; RUN: rm -f out.lto.1.o d/out.lto.2.o
; RUN: not ld.lld -save-temps --thinlto-jobs=foo -shared 1.o d/2.o -o e/out
2>&1 | FileCheck %s --check-prefix=BAD-JOBS
; BAD-JOBS: error: --thinlto-jobs: invalid job count: foo
; Then check without --thinlto-jobs (which currently defaults to
heavyweight_hardware_concurrency, meanning one thread per hardware core -- not
SMT)
; RUN: ld.lld -shared -save-temps 1.o d/2.o -o e/out
-; RUN: llvm-nm e/out1.lto.o | FileCheck %s --check-prefix=NM1
-; RUN: llvm-nm e/out2.lto.o | FileCheck %s --check-prefix=NM2
+; RUN: llvm-nm out.lto.1.o | FileCheck %s --check-prefix=NM1
+; RUN: llvm-nm d/out.lto.2.o | FileCheck %s --check-prefix=NM2
; Check that -save-temps is usable with thin archives
; RUN: mkdir dir
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