[clang] 03b84e4 - [clang] Report sanitizer blacklist as a dependency in cc1
Voss, Matthew via cfe-commits
cfe-commits at lists.llvm.org
Fri Nov 8 15:34:46 PST 2019
Thanks! LGTM
> -----Original Message-----
> From: jkorous at apple.com <jkorous at apple.com>
> Sent: Friday, November 8, 2019 3:33 PM
> To: Voss, Matthew <Matthew.Voss at sony.com>
> Cc: Jan Korous <llvmlistbot at llvm.org>; cfe-commits at lists.llvm.org;
> jeremy.morse.llvm at gmail.com
> Subject: Re: [clang] 03b84e4 - [clang] Report sanitizer blacklist as a
> dependency in cc1
>
> Yes, sorry, I messed up when relanding the patch. Seems fixed now.
>
> > On Nov 8, 2019, at 2:24 PM, Voss, Matthew <Matthew.Voss at sony.com> wrote:
> >
> > Hi Jan,
> >
> > Thanks for looking at this. I'm seeing new errors on the PS4 windows
> bot.
> >
> > http://lab.llvm.org:8011/builders/llvm-clang-lld-x86_64-scei-ps4-ubunt
> > u-fast/builds/57835
> >
> > Thanks,
> > Matthew
> >
> >> -----Original Message-----
> >> From: jkorous at apple.com <jkorous at apple.com>
> >> Sent: Friday, November 8, 2019 2:01 PM
> >> To: Voss, Matthew <Matthew.Voss at sony.com>
> >> Cc: Jan Korous <llvmlistbot at llvm.org>; cfe-commits at lists.llvm.org;
> >> jeremy.morse.llvm at gmail.com
> >> Subject: Re: [clang] 03b84e4 - [clang] Report sanitizer blacklist as
> >> a dependency in cc1
> >>
> >> Hi Matthew,
> >>
> >> You were absolutely right - my bad!
> >>
> >> I relanded the patches plus a fix.
> >>
> >> 555c6be041d [clang] Fix -fsanitize-system-blacklist processing in cc1
> >>
> >> Thanks,
> >>
> >> Jan
> >>
> >>> On Nov 8, 2019, at 11:00 AM, Voss, Matthew <Matthew.Voss at sony.com>
> >> wrote:
> >>>
> >>> Hi Jan,
> >>>
> >>>> Are you sure it is this commit?
> >>> I narrowed it down to your commit on my local machine. Let me know
> >>> if it
> >> doesn't repro on your end, though.
> >>>
> >>> Thanks,
> >>> Matthew
> >>>
> >>>
> >>>> -----Original Message-----
> >>>> From: jkorous at apple.com <jkorous at apple.com>
> >>>> Sent: Friday, November 8, 2019 10:55 AM
> >>>> To: Voss, Matthew <Matthew.Voss at sony.com>
> >>>> Cc: Jan Korous <llvmlistbot at llvm.org>; cfe-commits at lists.llvm.org;
> >>>> jeremy.morse.llvm at gmail.com
> >>>> Subject: Re: [clang] 03b84e4 - [clang] Report sanitizer blacklist
> >>>> as a dependency in cc1
> >>>>
> >>>> Hi Matthew,
> >>>>
> >>>> Are you sure it is this commit? It is definitely possible yet
> >>>> sounds a bit unlikely that my patch would cause linker errors.
> >>>>
> >>>> Anyway, I am going to reproduce on a linux box.
> >>>>
> >>>> Thanks.
> >>>>
> >>>> Jan
> >>>>
> >>>>> On Nov 7, 2019, at 4:50 PM, Voss, Matthew <Matthew.Voss at sony.com>
> >> wrote:
> >>>>>
> >>>>> Hi Jan,
> >>>>>
> >>>>> It looks like this commit is causing DFSAN failures on the
> >>>>> sanitizer
> >>>> bots and our internal CI. Could you take a look?
> >>>>>
> >>>>> http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux/builds/24
> >>>>> 31 2/ steps/64-bit%20check-dfsan/logs/stdio
> >>>>>
> >>>>> Thanks,
> >>>>> Matthew
> >>>>>
> >>>>>> -----Original Message-----
> >>>>>> From: cfe-commits <cfe-commits-bounces at lists.llvm.org> On Behalf
> >>>>>> Of Jan Korous via cfe-commits
> >>>>>> Sent: Thursday, November 7, 2019 2:07 PM
> >>>>>> To: cfe-commits at lists.llvm.org
> >>>>>> Subject: [clang] 03b84e4 - [clang] Report sanitizer blacklist as
> >>>>>> a dependency in cc1
> >>>>>>
> >>>>>>
> >>>>>> Author: Jan Korous
> >>>>>> Date: 2019-11-07T14:06:43-08:00
> >>>>>> New Revision: 03b84e4f6d0e1c04f22d69cc445f36e1f713beb4
> >>>>>>
> >>>>>> URL: https://github.com/llvm/llvm-
> >>>>>> project/commit/03b84e4f6d0e1c04f22d69cc445f36e1f713beb4
> >>>>>> DIFF: https://github.com/llvm/llvm-
> >>>>>> project/commit/03b84e4f6d0e1c04f22d69cc445f36e1f713beb4.diff
> >>>>>>
> >>>>>> LOG: [clang] Report sanitizer blacklist as a dependency in cc1
> >>>>>>
> >>>>>> Previously these were reported from the driver which blocked
> >>>>>> clang-scan- deps from getting the full set of dependencies from
> >>>>>> cc1
> >>>> commands.
> >>>>>>
> >>>>>> Also the default sanitizer blacklist that is added in driver was
> >>>>>> never reported as a dependency. I introduced
> >>>>>> -fsanitize-system-blacklist cc1 option to keep track of which
> >>>>>> blacklists were user-specified and which were added by driver and
> >>>>>> clang -MD now also reports system blacklists as dependencies.
> >>>>>>
> >>>>>> Differential Revision: https://reviews.llvm.org/D69290
> >>>>>>
> >>>>>> Added:
> >>>>>>
> >>>>>>
> >>>>>> Modified:
> >>>>>> clang/include/clang/Driver/Options.td
> >>>>>> clang/include/clang/Driver/SanitizerArgs.h
> >>>>>> clang/lib/Driver/SanitizerArgs.cpp
> >>>>>> clang/lib/Frontend/CompilerInvocation.cpp
> >>>>>> clang/test/Driver/fsanitize-blacklist.c
> >>>>>> clang/test/Frontend/dependency-gen.c
> >>>>>>
> >>>>>> Removed:
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>> #################################################################
> >>>>>> ##
> >>>>>> ##
> >>>>>> #####
> >>>>>> ######
> >>>>>> diff --git a/clang/include/clang/Driver/Options.td
> >>>>>> b/clang/include/clang/Driver/Options.td
> >>>>>> index dcd2976a97f2..c2e30a16b8da 100644
> >>>>>> --- a/clang/include/clang/Driver/Options.td
> >>>>>> +++ b/clang/include/clang/Driver/Options.td
> >>>>>> @@ -979,6 +979,9 @@ def fno_sanitize_EQ : CommaJoined<["-"],
> >>>>>> "fno- sanitize=">, Group<f_clang_Group>, def fsanitize_blacklist :
> >>>>>> Joined<["- "], "fsanitize-blacklist=">,
> >>>>>> Group<f_clang_Group>,
> >>>>>> HelpText<"Path to blacklist file for
> >>>>>> sanitizers">;
> >>>>>> +def fsanitize_system_blacklist : Joined<["-"],
> >>>>>> +"fsanitize-system-blacklist=">,
> >>>>>> + HelpText<"Path to system blacklist file for sanitizers">,
> >>>>>> + Flags<[CC1Option]>;
> >>>>>> def fno_sanitize_blacklist : Flag<["-"], "fno-sanitize-blacklist">,
> >>>>>> Group<f_clang_Group>,
> >>>>>> HelpText<"Don't use blacklist file for
> >>>>>> sanitizers">;
> >>>>>>
> >>>>>> diff --git a/clang/include/clang/Driver/SanitizerArgs.h
> >>>>>> b/clang/include/clang/Driver/SanitizerArgs.h
> >>>>>> index c37499e0f201..0aebf8cb225d 100644
> >>>>>> --- a/clang/include/clang/Driver/SanitizerArgs.h
> >>>>>> +++ b/clang/include/clang/Driver/SanitizerArgs.h
> >>>>>> @@ -25,8 +25,8 @@ class SanitizerArgs { SanitizerSet
> >>>>>> RecoverableSanitizers; SanitizerSet TrapSanitizers;
> >>>>>>
> >>>>>> - std::vector<std::string> BlacklistFiles;
> >>>>>> - std::vector<std::string> ExtraDeps;
> >>>>>> + std::vector<std::string> UserBlacklistFiles;
> >>>>>> + std::vector<std::string> SystemBlacklistFiles;
> >>>>>> int CoverageFeatures = 0;
> >>>>>> int MsanTrackOrigins = 0;
> >>>>>> bool MsanUseAfterDtor = true;
> >>>>>>
> >>>>>> diff --git a/clang/lib/Driver/SanitizerArgs.cpp
> >>>>>> b/clang/lib/Driver/SanitizerArgs.cpp
> >>>>>> index cc6c5e6ef438..8937197c253c 100644
> >>>>>> --- a/clang/lib/Driver/SanitizerArgs.cpp
> >>>>>> +++ b/clang/lib/Driver/SanitizerArgs.cpp
> >>>>>> @@ -557,29 +557,35 @@ SanitizerArgs::SanitizerArgs(const
> >>>>>> ToolChain &TC,
> >>>>>>
> >>>>>> // Setup blacklist files.
> >>>>>> // Add default blacklist from resource directory.
> >>>>>> - addDefaultBlacklists(D, Kinds, BlacklistFiles);
> >>>>>> + addDefaultBlacklists(D, Kinds, SystemBlacklistFiles);
> >>>>>> // Parse -f(no-)sanitize-blacklist options.
> >>>>>> for (const auto *Arg : Args) {
> >>>>>> if (Arg->getOption().matches(options::OPT_fsanitize_blacklist)) {
> >>>>>> Arg->claim();
> >>>>>> std::string BLPath = Arg->getValue();
> >>>>>> if (llvm::sys::fs::exists(BLPath)) {
> >>>>>> - BlacklistFiles.push_back(BLPath);
> >>>>>> - ExtraDeps.push_back(BLPath);
> >>>>>> + UserBlacklistFiles.push_back(BLPath);
> >>>>>> } else {
> >>>>>> D.Diag(clang::diag::err_drv_no_such_file) << BLPath;
> >>>>>> }
> >>>>>> } else if (Arg-
> >>>>>>> getOption().matches(options::OPT_fno_sanitize_blacklist)) {
> >>>>>> Arg->claim();
> >>>>>> - BlacklistFiles.clear();
> >>>>>> - ExtraDeps.clear();
> >>>>>> + UserBlacklistFiles.clear();
> >>>>>> + SystemBlacklistFiles.clear();
> >>>>>> }
> >>>>>> }
> >>>>>> // Validate blacklists format.
> >>>>>> {
> >>>>>> std::string BLError;
> >>>>>> std::unique_ptr<llvm::SpecialCaseList> SCL(
> >>>>>> - llvm::SpecialCaseList::create(BlacklistFiles, BLError));
> >>>>>> + llvm::SpecialCaseList::create(UserBlacklistFiles,
> BLError));
> >>>>>> + if (!SCL.get())
> >>>>>> + D.Diag(clang::diag::err_drv_malformed_sanitizer_blacklist)
> >>>>>> + << BLError; } {
> >>>>>> + std::string BLError;
> >>>>>> + std::unique_ptr<llvm::SpecialCaseList> SCL(
> >>>>>> + llvm::SpecialCaseList::create(SystemBlacklistFiles,
> >>>>>> + BLError));
> >>>>>> if (!SCL.get())
> >>>>>> D.Diag(clang::diag::err_drv_malformed_sanitizer_blacklist) <<
> >>>>>> BLError; } @@ -952,15 +958,15 @@ void
> >>>>>> SanitizerArgs::addArgs(const ToolChain &TC, const
> llvm::opt::ArgList &Args,
> >>>>>> CmdArgs.push_back(
> >>>>>> Args.MakeArgString("-fsanitize-trap=" +
> >>>>>> toString(TrapSanitizers)));
> >>>>>>
> >>>>>> - for (const auto &BLPath : BlacklistFiles) {
> >>>>>> + for (const auto &BLPath : UserBlacklistFiles) {
> >>>>>> SmallString<64> BlacklistOpt("-fsanitize-blacklist=");
> >>>>>> BlacklistOpt += BLPath;
> >>>>>> CmdArgs.push_back(Args.MakeArgString(BlacklistOpt));
> >>>>>> }
> >>>>>> - for (const auto &Dep : ExtraDeps) {
> >>>>>> - SmallString<64> ExtraDepOpt("-fdepfile-entry=");
> >>>>>> - ExtraDepOpt += Dep;
> >>>>>> - CmdArgs.push_back(Args.MakeArgString(ExtraDepOpt));
> >>>>>> + for (const auto &BLPath : SystemBlacklistFiles) {
> >>>>>> + SmallString<64> BlacklistOpt("-fsanitize-system-blacklist=");
> >>>>>> + BlacklistOpt += BLPath;
> >>>>>> + CmdArgs.push_back(Args.MakeArgString(BlacklistOpt));
> >>>>>> }
> >>>>>>
> >>>>>> if (MsanTrackOrigins)
> >>>>>>
> >>>>>> diff --git a/clang/lib/Frontend/CompilerInvocation.cpp
> >>>>>> b/clang/lib/Frontend/CompilerInvocation.cpp
> >>>>>> index 195a29d71187..17fd4ce7752b 100644
> >>>>>> --- a/clang/lib/Frontend/CompilerInvocation.cpp
> >>>>>> +++ b/clang/lib/Frontend/CompilerInvocation.cpp
> >>>>>> @@ -1447,7 +1447,26 @@ static void
> >>>>>> ParseDependencyOutputArgs(DependencyOutputOptions &Opts, // Add
> >>>>>> sanitizer blacklists as extra dependencies.
> >>>>>> // They won't be discovered by the regular preprocessor, so //
> >>>>>> we let make / ninja to know about this implicit dependency.
> >>>>>> - Opts.ExtraDeps = Args.getAllArgValues(OPT_fdepfile_entry);
> >>>>>> + if (!Args.hasArg(OPT_fno_sanitize_blacklist)) {
> >>>>>> + for (const auto *A : Args.filtered(OPT_fsanitize_blacklist)) {
> >>>>>> + StringRef Val = A->getValue();
> >>>>>> + if (Val.find('=') == StringRef::npos)
> >>>>>> + Opts.ExtraDeps.push_back(Val);
> >>>>>> + }
> >>>>>> + if (Opts.IncludeSystemHeaders) {
> >>>>>> + for (const auto *A :
> >>>>>> + Args.filtered(OPT_fsanitize_system_blacklist))
> >>>>>> {
> >>>>>> + StringRef Val = A->getValue();
> >>>>>> + if (Val.find('=') == StringRef::npos)
> >>>>>> + Opts.ExtraDeps.push_back(Val);
> >>>>>> + }
> >>>>>> + }
> >>>>>> + }
> >>>>>> +
> >>>>>> + // Propagate the extra dependencies.
> >>>>>> + for (const auto *A : Args.filtered(OPT_fdepfile_entry)) {
> >>>>>> + Opts.ExtraDeps.push_back(A->getValue());
> >>>>>> + }
> >>>>>> +
> >>>>>> // Only the -fmodule-file=<file> form.
> >>>>>> for (const auto *A : Args.filtered(OPT_fmodule_file)) {
> >>>>>> StringRef Val = A->getValue();
> >>>>>>
> >>>>>> diff --git a/clang/test/Driver/fsanitize-blacklist.c
> >>>>>> b/clang/test/Driver/fsanitize-blacklist.c
> >>>>>> index e08905c94eda..6878298e6752 100644
> >>>>>> --- a/clang/test/Driver/fsanitize-blacklist.c
> >>>>>> +++ b/clang/test/Driver/fsanitize-blacklist.c
> >>>>>> @@ -16,22 +16,18 @@
> >>>>>> // RUN: %clang -target aarch64-linux-gnu -fsanitize=hwaddress
> >>>>>> -fsanitize- blacklist=%t.good -fsanitize-blacklist=%t.second %s
> >>>>>> -###
> >>>>>> 2>&1 | FileCheck %s --check-prefix=CHECK-BLACKLIST //
> >>>>>> CHECK-BLACKLIST: -fsanitize- blacklist={{.*}}.good"
> >>>>>> "-fsanitize-blacklist={{.*}}.second
> >>>>>>
> >>>>>> -// Now, check for -fdepfile-entry flags.
> >>>>>> -// RUN: %clang -target x86_64-linux-gnu -fsanitize=address
> >>>>>> -fsanitize- blacklist=%t.good -fsanitize-blacklist=%t.second %s
> >>>>>> -###
> >>>>>> 2>&1 | FileCheck %s --check-prefix=CHECK-BLACKLIST2 -//
> >>>>>> CHECK-BLACKLIST2: -fdepfile- entry={{.*}}.good"
> >>>>>> "-fdepfile-entry={{.*}}.second
> >>>>>> -
> >>>>>> // Check that the default blacklist is not added as an extra
> >>>> dependency.
> >>>>>> // RUN: %clang -target x86_64-linux-gnu -fsanitize=address
> >>>>>> -resource- dir=%S/Inputs/resource_dir %s -### 2>&1 | FileCheck %s
> >>>>>> --check- prefix=CHECK-DEFAULT-BLACKLIST-ASAN
> >>>>>> --implicit-check-not=fdepfile-entry --
> >>>>>> implicit-check-not=-fsanitize-blacklist=
> >>>>>> -// CHECK-DEFAULT-BLACKLIST-ASAN: -fsanitize-
> >>>>>> blacklist={{.*[^w]}}asan_blacklist.txt
> >>>>>> +// CHECK-DEFAULT-BLACKLIST-ASAN:
> >>>>>> +-fsanitize-system-blacklist={{.*[^w]}}asan_blacklist.txt
> >>>>>> // RUN: %clang -target x86_64-linux-gnu -fsanitize=hwaddress
> >>>>>> -resource- dir=%S/Inputs/resource_dir %s -### 2>&1 | FileCheck %s
> >>>>>> --check- prefix=CHECK-DEFAULT-BLACKLIST-HWASAN
> >>>>>> --implicit-check-not=fdepfile-entry
> >>>>>> --implicit-check-not=-fsanitize-blacklist=
> >>>>>> -// CHECK-DEFAULT-BLACKLIST-HWASAN: -fsanitize-
> >>>>>> blacklist={{.*}}hwasan_blacklist.txt
> >>>>>> +// CHECK-DEFAULT-BLACKLIST-HWASAN:
> >>>>>> +-fsanitize-system-blacklist={{.*}}hwasan_blacklist.txt
> >>>>>>
> >>>>>> // RUN: %clang -target x86_64-linux-gnu -fsanitize=integer
> >>>>>> -resource- dir=%S/Inputs/resource_dir %s -### 2>&1 | FileCheck %s
> >>>>>> --check- prefix=CHECK-DEFAULT-UBSAN-BLACKLIST
> >>>>>> --implicit-check-not=fdepfile-entry -
> >>>>>> -implicit-check-not=-fsanitize-blacklist=
> >>>>>> // RUN: %clang -target x86_64-linux-gnu -fsanitize=nullability
> >>>>>> -resource- dir=%S/Inputs/resource_dir %s -### 2>&1 | FileCheck %s
> >>>>>> --check- prefix=CHECK-DEFAULT-UBSAN-BLACKLIST
> >>>>>> --implicit-check-not=fdepfile-entry -
> >>>>>> -implicit-check-not=-fsanitize-blacklist=
> >>>>>> // RUN: %clang -target x86_64-linux-gnu -fsanitize=undefined
> >>>>>> -resource- dir=%S/Inputs/resource_dir %s -### 2>&1 | FileCheck %s
> >>>>>> --check- prefix=CHECK-DEFAULT-UBSAN-BLACKLIST
> >>>>>> --implicit-check-not=fdepfile-entry -
> >>>>>> -implicit-check-not=-fsanitize-blacklist=
> >>>>>> // RUN: %clang -target x86_64-linux-gnu -fsanitize=alignment
> >>>>>> -resource- dir=%S/Inputs/resource_dir %s -### 2>&1 | FileCheck %s
> >>>>>> --check- prefix=CHECK-DEFAULT-UBSAN-BLACKLIST
> >>>>>> --implicit-check-not=fdepfile-entry -
> >>>>>> -implicit-check-not=-fsanitize-blacklist=
> >>>>>> // RUN: %clang -target %itanium_abi_triple
> >>>>>> -fsanitize=float-divide-by- zero
> >>>>>> -resource-dir=%S/Inputs/resource_dir
> >>>>>> %s -### 2>&1 | FileCheck %s --
> >>>>>> check-prefix=CHECK-DEFAULT-UBSAN-BLACKLIST
> >>>>>> --implicit-check-not=fdepfile- entry
> >>>>>> --implicit-check-not=-fsanitize-blacklist=
> >>>>>> -// CHECK-DEFAULT-UBSAN-BLACKLIST: -fsanitize-
> >>>>>> blacklist={{.*}}ubsan_blacklist.txt
> >>>>>> +// CHECK-DEFAULT-UBSAN-BLACKLIST:
> >>>>>> +-fsanitize-system-blacklist={{.*}}ubsan_blacklist.txt
> >>>>>>
> >>>>>> // Check that combining ubsan and another sanitizer results in
> >>>>>> both blacklists being used.
> >>>>>> // RUN: %clang -target x86_64-linux-gnu
> >>>>>> -fsanitize=undefined,address
> >>>>>> - resource-dir=%S/Inputs/resource_dir %s -### 2>&1 | FileCheck %s
> >>>>>> --check- prefix=CHECK-DEFAULT-UBSAN-BLACKLIST
> >>>>>> --check-prefix=CHECK-DEFAULT-ASAN-
> >>>>>> BLACKLIST --implicit-check-not=fdepfile-entry
> >>>>>> --implicit-check-not=- fsanitize-blacklist=
> >>>>>>
> >>>>>> diff --git a/clang/test/Frontend/dependency-gen.c
> >>>>>> b/clang/test/Frontend/dependency-gen.c
> >>>>>> index 963419cb1188..1db9b04c1d9f 100644
> >>>>>> --- a/clang/test/Frontend/dependency-gen.c
> >>>>>> +++ b/clang/test/Frontend/dependency-gen.c
> >>>>>> @@ -27,3 +27,20 @@
> >>>>>> #ifndef INCLUDE_FLAG_TEST
> >>>>>> #include <x.h>
> >>>>>> #endif
> >>>>>> +
> >>>>>> +// RUN: echo "fun:foo" > %t.blacklist1 // RUN: echo "fun:foo" >
> >>>>>> +%t.blacklist2 // RUN: %clang -MD -MF - %s -fsyntax-only
> >>>>>> +-resource-dir=%S/Inputs/resource_dir_with_cfi_blacklist
> >>>>>> +-fsanitize=cfi-
> >>>>>> vcall -flto -fvisibility=hidden
> >>>>>> -fsanitize-blacklist=%t.blacklist1
> >>>>>> -
> >>>>>> fsanitize-blacklist=%t.blacklist2 -I ./ | FileCheck
> >>>>>> -check-prefix=TWO- BLACK-LISTS %s // TWO-BLACK-LISTS: dependency-
> >> gen.o:
> >>>>>> +// TWO-BLACK-LISTS-DAG: blacklist1 // TWO-BLACK-LISTS-DAG:
> >>>>>> +blacklist2 // TWO-BLACK-LISTS-DAG: x.h // TWO-BLACK-LISTS-DAG:
> >>>>>> +dependency-gen.c
> >>>>>> +
> >>>>>> +// RUN: %clang -MD -MF - %s -fsyntax-only
> >>>>>> +-resource-dir=%S/Inputs/resource_dir_with_cfi_blacklist
> >>>>>> +-fsanitize=cfi-
> >>>>>> vcall -flto -fvisibility=hidden -I ./ | FileCheck
> >>>>>> -check-prefix=USER-AND- SYS-DEPS %s // USER-AND-SYS-DEPS:
> >>>>>> dependency-
> >>>> gen.o:
> >>>>>> +// USER-AND-SYS-DEPS-DAG: cfi_blacklist.txt
> >>>>>> +
> >>>>>> +// RUN: %clang -MMD -MF - %s -fsyntax-only
> >>>>>> +-resource-dir=%S/Inputs/resource_dir_with_cfi_blacklist
> >>>>>> +-fsanitize=cfi-
> >>>>>> vcall -flto -fvisibility=hidden -I ./ | FileCheck
> >>>>>> -check-prefix=ONLY-USER- DEPS %s // ONLY-USER-DEPS: dependency-
> gen.o:
> >>>>>> +// NOT-ONLY-USER-DEPS: cfi_blacklist.txt
> >>>>>> \ No newline at end of file
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>> _______________________________________________
> >>>>>> cfe-commits mailing list
> >>>>>> cfe-commits at lists.llvm.org
> >>>>>> https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
> >>>
> >
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