yaxunl created this revision.
yaxunl added a reviewer: tra.
yaxunl requested review of this revision.
Herald added a reviewer: jdoerfert.
Herald added a subscriber: sstefan1.
clang-offload-bundler is not only used by clang driver
to bundle/unbundle files for offloading toolchains,
but also used by out of tree tools to unbundle
fat binaries generated by clang. It is important
to be able to list the bundle IDs in a bundled
file so that the bundles can be extracted.
This patch adds an option -list to list bundle
ID's in a bundled file. Each bundle ID is separated
by new line. If the file is not a bundled file
nothing is output and returns 0.
https://reviews.llvm.org/D92954
Files:
clang/test/Driver/clang-offload-bundler.c
clang/tools/clang-offload-bundler/ClangOffloadBundler.cpp
Index: clang/tools/clang-offload-bundler/ClangOffloadBundler.cpp
===================================================================
--- clang/tools/clang-offload-bundler/ClangOffloadBundler.cpp
+++ clang/tools/clang-offload-bundler/ClangOffloadBundler.cpp
@@ -62,11 +62,11 @@
cl::desc("[<input file>,...]"),
cl::cat(ClangOffloadBundlerCategory));
static cl::list<std::string>
- OutputFileNames("outputs", cl::CommaSeparated, cl::OneOrMore,
+ OutputFileNames("outputs", cl::CommaSeparated,
cl::desc("[<output file>,...]"),
cl::cat(ClangOffloadBundlerCategory));
static cl::list<std::string>
- TargetNames("targets", cl::CommaSeparated, cl::OneOrMore,
+ TargetNames("targets", cl::CommaSeparated,
cl::desc("[<offload kind>-<target triple>,...]"),
cl::cat(ClangOffloadBundlerCategory));
static cl::opt<std::string>
@@ -89,6 +89,10 @@
cl::desc("Unbundle bundled file into several output files.\n"),
cl::init(false), cl::cat(ClangOffloadBundlerCategory));
+static cl::opt<bool>
+ ListBundleIDs("list", cl::desc("List bundle IDs in the bundled file.\n"),
+ cl::init(false), cl::cat(ClangOffloadBundlerCategory));
+
static cl::opt<bool> PrintExternalCommands(
"###",
cl::desc("Print any external commands that are to be executed "
@@ -109,6 +113,41 @@
/// Path to the current binary.
static std::string BundlerExecutable;
+namespace {
+
+// This class implements a list of temporary files that are removed upon
+// object destruction.
+class TempFileHandlerRAII {
+public:
+ ~TempFileHandlerRAII() {
+ for (const auto &File : Files)
+ sys::fs::remove(File);
+ }
+
+ // Creates temporary file with given contents.
+ Expected<StringRef> Create(Optional<ArrayRef<char>> Contents) {
+ SmallString<128u> File;
+ if (std::error_code EC =
+ sys::fs::createTemporaryFile("clang-offload-bundler", "tmp", File))
+ return createFileError(File, EC);
+ Files.push_front(File);
+
+ if (Contents) {
+ std::error_code EC;
+ raw_fd_ostream OS(File, EC);
+ if (EC)
+ return createFileError(File, EC);
+ OS.write(Contents->data(), Contents->size());
+ }
+ return Files.front();
+ }
+
+private:
+ std::forward_list<SmallString<128u>> Files;
+};
+
+} // end anonymous namespace
+
/// Obtain the offload kind and real machine triple out of the target
/// information specified by the user.
static void getOffloadKindAndTriple(StringRef Target, StringRef &OffloadKind,
@@ -163,6 +202,9 @@
/// Write the bundle from \a Input into \a OS.
virtual Error WriteBundle(raw_fd_ostream &OS, MemoryBuffer &Input) = 0;
+
+ /// List bundle IDs in \a Input.
+ virtual Error listBundleIDs(MemoryBuffer &Input) = 0;
};
/// Handler for binary files. The bundled file will have the following format
@@ -290,6 +332,8 @@
StringRef Triple(&FC.data()[ReadChars], TripleSize);
ReadChars += TripleSize;
+ if (ListBundleIDs)
+ llvm::outs() << Triple << '\n';
// Check if the offset and size make sense.
if (!Offset || Offset + Size > FC.size())
@@ -376,42 +420,13 @@
OS.write(Input.getBufferStart(), Input.getBufferSize());
return Error::success();
}
-};
-
-namespace {
-
-// This class implements a list of temporary files that are removed upon
-// object destruction.
-class TempFileHandlerRAII {
-public:
- ~TempFileHandlerRAII() {
- for (const auto &File : Files)
- sys::fs::remove(File);
- }
- // Creates temporary file with given contents.
- Expected<StringRef> Create(Optional<ArrayRef<char>> Contents) {
- SmallString<128u> File;
- if (std::error_code EC =
- sys::fs::createTemporaryFile("clang-offload-bundler", "tmp", File))
- return createFileError(File, EC);
- Files.push_front(File);
-
- if (Contents) {
- std::error_code EC;
- raw_fd_ostream OS(File, EC);
- if (EC)
- return createFileError(File, EC);
- OS.write(Contents->data(), Contents->size());
- }
- return Files.front();
+ Error listBundleIDs(MemoryBuffer &Input) final {
+ // List bundle IDs in a binary file only needs go through the header.
+ return ReadHeader(Input);
}
-
-private:
- std::forward_list<SmallString<128u>> Files;
};
-} // end anonymous namespace
/// Handler for object files. The bundles are organized by sections with a
/// designated name.
@@ -472,8 +487,11 @@
IsOffloadSection(*CurrentSection);
if (!TripleOrErr)
return TripleOrErr.takeError();
- if (*TripleOrErr)
+ if (*TripleOrErr) {
+ if (ListBundleIDs)
+ llvm::outs() << **TripleOrErr << '\n';
return **TripleOrErr;
+ }
}
return None;
}
@@ -595,6 +613,25 @@
return Error::success();
}
+ Error listBundleIDs(MemoryBuffer &Input) final {
+ if (Error Err = ReadHeader(Input))
+ return Err;
+
+ while (true) {
+ // To list bundle IDs in bundled object files we need to read the start of
+ // each bundle but do not need read the whole bundle.
+ Expected<Optional<StringRef>> CurTripleOrErr = ReadBundleStart(Input);
+ if (!CurTripleOrErr)
+ return CurTripleOrErr.takeError();
+
+ // No more bundles.
+ if (!*CurTripleOrErr)
+ break;
+ }
+
+ return Error::success();
+ }
+
private:
static Error executeObjcopy(StringRef Objcopy, ArrayRef<StringRef> Args) {
// If the user asked for the commands to be printed out, we do that
@@ -657,7 +694,10 @@
// Next time we read after the new line.
++ReadChars;
- return StringRef(&FC.data()[TripleStart], TripleEnd - TripleStart);
+ auto Triple = StringRef(&FC.data()[TripleStart], TripleEnd - TripleStart);
+ if (ListBundleIDs)
+ llvm::outs() << Triple << '\n';
+ return Triple;
}
Error ReadBundleEnd(MemoryBuffer &Input) final {
@@ -715,6 +755,46 @@
BundleEndString =
"\n" + Comment.str() + " " OFFLOAD_BUNDLER_MAGIC_STR "__END__ ";
}
+
+ Error listBundleIDs(MemoryBuffer &Input) final {
+ if (Error Err = ReadHeader(Input))
+ return Err;
+
+ // Create an intermediate temporary file for reading the bundles.
+ TempFileHandlerRAII TempFiles;
+ Expected<StringRef> IntermediateFileOrErr = TempFiles.Create(None);
+ if (!IntermediateFileOrErr)
+ return IntermediateFileOrErr.takeError();
+ StringRef IntermediateFile = *IntermediateFileOrErr;
+
+ while (true) {
+ Expected<Optional<StringRef>> CurTripleOrErr = ReadBundleStart(Input);
+ if (!CurTripleOrErr)
+ return CurTripleOrErr.takeError();
+
+ // No more bundles.
+ if (!*CurTripleOrErr)
+ break;
+
+ StringRef CurTriple = **CurTripleOrErr;
+ assert(!CurTriple.empty());
+
+ std::error_code EC;
+ raw_fd_ostream OutputFile(IntermediateFile, EC, sys::fs::OF_None);
+ if (EC)
+ return createFileError(IntermediateFile, EC);
+ // TODO: To list bundle IDs in a bundled text file we need to go through
+ // all bundles. The format of bundled text file may need to include a
+ // header if the performance of listing bundle IDs of bundled text file is
+ // important.
+ if (Error Err = ReadBundle(OutputFile, Input))
+ return Err;
+ if (Error Err = ReadBundleEnd(Input))
+ return Err;
+ }
+
+ return Error::success();
+ }
};
/// Return an appropriate object file handler. We use the specific object
@@ -916,6 +996,27 @@
return Error::success();
}
+// List bundle IDs. Return true if an error was found.
+static Error ListBundleIDsInFile() {
+ // Open Input file.
+ ErrorOr<std::unique_ptr<MemoryBuffer>> CodeOrErr =
+ MemoryBuffer::getFileOrSTDIN(InputFileNames.front());
+ if (std::error_code EC = CodeOrErr.getError())
+ return createFileError(InputFileNames.front(), EC);
+
+ MemoryBuffer &Input = **CodeOrErr;
+
+ // Select the right files handler.
+ Expected<std::unique_ptr<FileHandler>> FileHandlerOrErr =
+ CreateFileHandler(Input);
+ if (!FileHandlerOrErr)
+ return FileHandlerOrErr.takeError();
+
+ std::unique_ptr<FileHandler> &FH = *FileHandlerOrErr;
+ assert(FH);
+ return FH->listBundleIDs(Input);
+}
+
static void PrintVersion(raw_ostream &OS) {
OS << clang::getClangToolFullVersion("clang-offload-bundler") << '\n';
}
@@ -942,6 +1043,41 @@
};
bool Error = false;
+ if (!ListBundleIDs) {
+ if (OutputFileNames.getNumOccurrences() == 0) {
+ Error = true;
+ reportError(createStringError(
+ errc::invalid_argument,
+ "for the --outputs option: must be specified at least once!"));
+ }
+ if (TargetNames.getNumOccurrences() == 0) {
+ Error = true;
+ reportError(createStringError(
+ errc::invalid_argument,
+ "for the --targets option: must be specified at least once!"));
+ }
+ }
+ if (Unbundle && ListBundleIDs) {
+ Error = true;
+ reportError(createStringError(
+ errc::invalid_argument, "-unbundle and -list cannot be used together"));
+ } else if (ListBundleIDs) {
+ if (InputFileNames.size() != 1) {
+ Error = true;
+ reportError(createStringError(errc::invalid_argument,
+ "only one input file supported for -list"));
+ }
+ if (OutputFileNames.size()) {
+ Error = true;
+ reportError(createStringError(errc::invalid_argument,
+ "-outputs option is invalid for -list"));
+ }
+ if (TargetNames.size()) {
+ Error = true;
+ reportError(createStringError(errc::invalid_argument,
+ "-targets option is invalid for -list"));
+ }
+ }
if (Unbundle) {
if (InputFileNames.size() != 1) {
Error = true;
@@ -955,7 +1091,7 @@
"number of output files and targets should "
"match in unbundling mode"));
}
- } else {
+ } else if (!ListBundleIDs) {
if (OutputFileNames.size() != 1) {
Error = true;
reportError(createStringError(
@@ -1014,7 +1150,8 @@
// Host triple is not really needed for unbundling operation, so do not
// treat missing host triple as error if we do unbundling.
- if ((Unbundle && HostTargetNum > 1) || (!Unbundle && HostTargetNum != 1)) {
+ if ((Unbundle && HostTargetNum > 1) ||
+ (!Unbundle && !ListBundleIDs && HostTargetNum != 1)) {
Error = true;
reportError(createStringError(errc::invalid_argument,
"expecting exactly one host target but got " +
@@ -1030,7 +1167,10 @@
if (!llvm::sys::fs::exists(BundlerExecutable))
BundlerExecutable = sys::fs::getMainExecutable(argv[0], &BundlerExecutable);
- if (llvm::Error Err = Unbundle ? UnbundleFiles() : BundleFiles()) {
+ llvm::Error Err = ListBundleIDs
+ ? ListBundleIDsInFile()
+ : (Unbundle ? UnbundleFiles() : BundleFiles());
+ if (Err) {
reportError(std::move(Err));
return 1;
}
Index: clang/test/Driver/clang-offload-bundler.c
===================================================================
--- clang/test/Driver/clang-offload-bundler.c
+++ clang/test/Driver/clang-offload-bundler.c
@@ -34,6 +34,7 @@
// CK-HELP: {{.*}}this tool if -unbundle is provided.
// CK-HELP: {{.*}}USAGE: clang-offload-bundler [options]
// CK-HELP: {{.*}}-inputs=<string> - [<input file>,...]
+// CK-HELP: {{.*}}-list {{.*}}- List bundle IDs in the bundled file.
// CK-HELP: {{.*}}-outputs=<string> - [<output file>,...]
// CK-HELP: {{.*}}-targets=<string> - [<offload kind>-<target triple>,...]
// CK-HELP: {{.*}}-type=<string> - Type of the files to be bundled/unbundled.
@@ -77,8 +78,10 @@
// RUN: not clang-offload-bundler 2>&1 | FileCheck %s --check-prefix CK-ERR7
// CK-ERR7-DAG: clang-offload-bundler: for the --type option: must be specified at least once!
// CK-ERR7-DAG: clang-offload-bundler: for the --inputs option: must be specified at least once!
-// CK-ERR7-DAG: clang-offload-bundler: for the --outputs option: must be specified at least once!
-// CK-ERR7-DAG: clang-offload-bundler: for the --targets option: must be specified at least once!
+
+// RUN: not clang-offload-bundler -type=i -inputs=%t.i,%t.tgt1,%t.tgt2 2>&1 | FileCheck %s -check-prefix=CK-ERR7A
+// CK-ERR7A-DAG: error: for the --targets option: must be specified at least once!
+// CK-ERR7A-DAG: error: for the --outputs option: must be specified at least once!
// RUN: not clang-offload-bundler -type=i -targets=hxst-powerpcxxle-ibm-linux-gnu,openxp-pxxerpc64le-ibm-linux-gnu,xpenmp-x86_xx-pc-linux-gnu -inputs=%t.i,%t.tgt1,%t.tgt2 -outputs=%t.bundle.i 2>&1 | FileCheck %s --check-prefix CK-ERR8
// CK-ERR8: error: invalid target 'hxst-powerpcxxle-ibm-linux-gnu', unknown offloading kind 'hxst', unknown target triple 'powerpcxxle-ibm-linux-gnu'
@@ -151,24 +154,28 @@
//
// Check text unbundle. Check if we get the exact same content that we bundled before for each file.
//
+// RUN: clang-offload-bundler -type=i -inputs=%t.bundle3.i -list | FileCheck -check-prefix=CKLST %s
// RUN: clang-offload-bundler -type=i -targets=host-%itanium_abi_triple,openmp-powerpc64le-ibm-linux-gnu,openmp-x86_64-pc-linux-gnu -outputs=%t.res.i,%t.res.tgt1,%t.res.tgt2 -inputs=%t.bundle3.i -unbundle
// RUN: diff %t.i %t.res.i
// RUN: diff %t.tgt1 %t.res.tgt1
// RUN: diff %t.tgt2 %t.res.tgt2
// RUN: clang-offload-bundler -type=i -targets=openmp-powerpc64le-ibm-linux-gnu -outputs=%t.res.tgt1 -inputs=%t.bundle3.i -unbundle
// RUN: diff %t.tgt1 %t.res.tgt1
+// RUN: clang-offload-bundler -type=ii -inputs=%t.bundle3.ii -list | FileCheck -check-prefix=CKLST %s
// RUN: clang-offload-bundler -type=ii -targets=host-%itanium_abi_triple,openmp-powerpc64le-ibm-linux-gnu,openmp-x86_64-pc-linux-gnu -outputs=%t.res.ii,%t.res.tgt1,%t.res.tgt2 -inputs=%t.bundle3.ii -unbundle
// RUN: diff %t.ii %t.res.ii
// RUN: diff %t.tgt1 %t.res.tgt1
// RUN: diff %t.tgt2 %t.res.tgt2
// RUN: clang-offload-bundler -type=ii -targets=openmp-x86_64-pc-linux-gnu -outputs=%t.res.tgt2 -inputs=%t.bundle3.ii -unbundle
// RUN: diff %t.tgt2 %t.res.tgt2
+// RUN: clang-offload-bundler -type=ll -inputs=%t.bundle3.ll -list | FileCheck -check-prefix=CKLST %s
// RUN: clang-offload-bundler -type=ll -targets=host-%itanium_abi_triple,openmp-powerpc64le-ibm-linux-gnu,openmp-x86_64-pc-linux-gnu -outputs=%t.res.ll,%t.res.tgt1,%t.res.tgt2 -inputs=%t.bundle3.ll -unbundle
// RUN: diff %t.ll %t.res.ll
// RUN: diff %t.tgt1 %t.res.tgt1
// RUN: diff %t.tgt2 %t.res.tgt2
// RUN: clang-offload-bundler -type=ll -targets=openmp-powerpc64le-ibm-linux-gnu -outputs=%t.res.tgt1 -inputs=%t.bundle3.ll -unbundle
// RUN: diff %t.tgt1 %t.res.tgt1
+// RUN: clang-offload-bundler -type=s -inputs=%t.bundle3.s -list | FileCheck -check-prefix=CKLST %s
// RUN: clang-offload-bundler -type=s -targets=host-%itanium_abi_triple,openmp-powerpc64le-ibm-linux-gnu,openmp-x86_64-pc-linux-gnu -outputs=%t.res.s,%t.res.tgt1,%t.res.tgt2 -inputs=%t.bundle3.s -unbundle
// RUN: diff %t.s %t.res.s
// RUN: diff %t.tgt1 %t.res.tgt1
@@ -181,6 +188,7 @@
// RUN: diff %t.tgt2 %t.res.tgt2
// Check if we can unbundle a file with no magic strings.
+// RUN: clang-offload-bundler -type=s -inputs=%t.s -list | FileCheck -check-prefix=CKLST2 --allow-empty %s
// RUN: clang-offload-bundler -type=s -targets=host-%itanium_abi_triple,openmp-powerpc64le-ibm-linux-gnu,openmp-x86_64-pc-linux-gnu -outputs=%t.res.s,%t.res.tgt1,%t.res.tgt2 -inputs=%t.s -unbundle
// RUN: diff %t.s %t.res.s
// RUN: diff %t.empty %t.res.tgt1
@@ -201,18 +209,21 @@
// RUN: clang-offload-bundler -type=gch -targets=host-%itanium_abi_triple,openmp-powerpc64le-ibm-linux-gnu,openmp-x86_64-pc-linux-gnu -inputs=%t.ast,%t.tgt1,%t.tgt2 -outputs=%t.bundle3.gch
// RUN: clang-offload-bundler -type=ast -targets=host-%itanium_abi_triple,openmp-powerpc64le-ibm-linux-gnu,openmp-x86_64-pc-linux-gnu -inputs=%t.ast,%t.tgt1,%t.tgt2 -outputs=%t.bundle3.ast
// RUN: clang-offload-bundler -type=ast -targets=openmp-powerpc64le-ibm-linux-gnu,host-%itanium_abi_triple,openmp-x86_64-pc-linux-gnu -inputs=%t.tgt1,%t.ast,%t.tgt2 -outputs=%t.bundle3.unordered.ast
+// RUN: clang-offload-bundler -type=bc -inputs=%t.bundle3.bc -list | FileCheck -check-prefix=CKLST %s
// RUN: clang-offload-bundler -type=bc -targets=host-%itanium_abi_triple,openmp-powerpc64le-ibm-linux-gnu,openmp-x86_64-pc-linux-gnu -outputs=%t.res.bc,%t.res.tgt1,%t.res.tgt2 -inputs=%t.bundle3.bc -unbundle
// RUN: diff %t.bc %t.res.bc
// RUN: diff %t.tgt1 %t.res.tgt1
// RUN: diff %t.tgt2 %t.res.tgt2
// RUN: clang-offload-bundler -type=bc -targets=openmp-powerpc64le-ibm-linux-gnu -outputs=%t.res.tgt1 -inputs=%t.bundle3.bc -unbundle
// RUN: diff %t.tgt1 %t.res.tgt1
+// RUN: clang-offload-bundler -type=gch -inputs=%t.bundle3.gch -list | FileCheck -check-prefix=CKLST %s
// RUN: clang-offload-bundler -type=gch -targets=host-%itanium_abi_triple,openmp-powerpc64le-ibm-linux-gnu,openmp-x86_64-pc-linux-gnu -outputs=%t.res.gch,%t.res.tgt1,%t.res.tgt2 -inputs=%t.bundle3.gch -unbundle
// RUN: diff %t.ast %t.res.gch
// RUN: diff %t.tgt1 %t.res.tgt1
// RUN: diff %t.tgt2 %t.res.tgt2
// RUN: clang-offload-bundler -type=gch -targets=openmp-x86_64-pc-linux-gnu -outputs=%t.res.tgt2 -inputs=%t.bundle3.gch -unbundle
// RUN: diff %t.tgt2 %t.res.tgt2
+// RUN: clang-offload-bundler -type=ast -inputs=%t.bundle3.ast -list | FileCheck -check-prefix=CKLST %s
// RUN: clang-offload-bundler -type=ast -targets=host-%itanium_abi_triple,openmp-powerpc64le-ibm-linux-gnu,openmp-x86_64-pc-linux-gnu -outputs=%t.res.ast,%t.res.tgt1,%t.res.tgt2 -inputs=%t.bundle3.ast -unbundle
// RUN: diff %t.ast %t.res.ast
// RUN: diff %t.tgt1 %t.res.tgt1
@@ -257,6 +268,7 @@
// CK-OBJ-CMD: llvm-objcopy{{(.exe)?}}" "--set-section-flags=__CLANG_OFFLOAD_BUNDLE__host-[[HOST]]=readonly,exclude" "--set-section-flags=__CLANG_OFFLOAD_BUNDLE__openmp-powerpc64le-ibm-linux-gnu=readonly,exclude" "--set-section-flags=__CLANG_OFFLOAD_BUNDLE__openmp-x86_64-pc-linux-gnu=readonly,exclude" "[[TEMPOBJ]]" "[[OUTOBJ]]"
// RUN: clang-offload-bundler -type=o -targets=host-%itanium_abi_triple,openmp-powerpc64le-ibm-linux-gnu,openmp-x86_64-pc-linux-gnu -inputs=%t.o,%t.tgt1,%t.tgt2 -outputs=%t.bundle3.o
+// RUN: clang-offload-bundler -type=o -inputs=%t.bundle3.o -list | FileCheck -check-prefix=CKLST %s
// RUN: clang-offload-bundler -type=o -targets=host-%itanium_abi_triple,openmp-powerpc64le-ibm-linux-gnu,openmp-x86_64-pc-linux-gnu -outputs=%t.res.o,%t.res.tgt1,%t.res.tgt2 -inputs=%t.bundle3.o -unbundle
// RUN: diff %t.bundle3.o %t.res.o
// RUN: diff %t.tgt1 %t.res.tgt1
@@ -269,6 +281,7 @@
// RUN: diff %t.tgt1 %t.res.tgt1
// Check if we can unbundle a file with no magic strings.
+// RUN: clang-offload-bundler -type=o -inputs=%t.o -list | FileCheck -check-prefix=CKLST2 --allow-empty %s
// RUN: clang-offload-bundler -type=o -targets=host-%itanium_abi_triple,openmp-powerpc64le-ibm-linux-gnu,openmp-x86_64-pc-linux-gnu -outputs=%t.res.o,%t.res.tgt1,%t.res.tgt2 -inputs=%t.o -unbundle
// RUN: diff %t.o %t.res.o
// RUN: diff %t.empty %t.res.tgt1
@@ -288,6 +301,28 @@
// RUN: diff %t.tgt1 %t.res.tgt1
// RUN: diff %t.tgt2 %t.res.tgt2
+//
+// Check -list option
+//
+
+// RUN: clang-offload-bundler -bundle-align=4096 -type=bc -targets=host-%itanium_abi_triple,openmp-powerpc64le-ibm-linux-gnu,openmp-x86_64-pc-linux-gnu -inputs=%t.bc,%t.tgt1,%t.tgt2 -outputs=%t.bundle3.bc
+// RUN: not clang-offload-bundler -type=bc -inputs=%t.bundle3.bc -unbundle -list 2>&1 | FileCheck -check-prefix=CKLST-ERR %s
+// CKLST-ERR: error: -unbundle and -list cannot be used together
+// RUN: not clang-offload-bundler -type=bc -inputs=%t.bundle3.bc -targets=host-%itanium_abi_triple -list 2>&1 | FileCheck -check-prefix=CKLST-ERR2 %s
+// CKLST-ERR2: error: -targets option is invalid for -list
+// RUN: not clang-offload-bundler -type=bc -inputs=%t.bundle3.bc -outputs=out.txt -list 2>&1 | FileCheck -check-prefix=CKLST-ERR3 %s
+// CKLST-ERR3: error: -outputs option is invalid for -list
+// RUN: not clang-offload-bundler -type=bc -inputs=%t.bundle3.bc,%t.bc -list 2>&1 | FileCheck -check-prefix=CKLST-ERR4 %s
+// CKLST-ERR4: error: only one input file supported for -list
+
+// CKLST-DAG: host-
+// CKLST-DAG: openmp-powerpc64le-ibm-linux-gnu
+// CKLST-DAG: openmp-x86_64-pc-linux-gnu
+
+// CKLST2-NOT: host-
+// CKLST2-NOT: openmp-powerpc64le-ibm-linux-gnu
+// CKLST2-NOT: openmp-x86_64-pc-linux-gnu
+
// Some code so that we can create a binary out of this file.
int A = 0;
void test_func(void) {
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