r373538 - [clang][ifs] Clang Interface Stubs ToolChain plumbing.
Puyan Lotfi via cfe-commits
cfe-commits at lists.llvm.org
Wed Oct 2 19:01:46 PDT 2019
I committed a change to driver-test.c. Not sure if that fixes it yet. Looks like there’s failures in some cmake and tablegen stuff. I will investigate macOS this evening.
PL
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On Wed, Oct 2, 2019 at 6:50 PM, Nico Weber <thakis at chromium.org> wrote:
> Looks like it's passing on Linux now, but still failing on macOS:
>
> AIL: Clang :: InterfaceStubs/driver-test.c (6172 of 16012)
> ******************** TEST 'Clang :: InterfaceStubs/driver-test.c' FAILED ********************
> Script:
> --
> : 'RUN: at line 3'; /Users/thakis/src/llvm-project/out/gn/bin/clang -target x86_64-unknown-linux-gnu -x c -o /Users/thakis/src/llvm-project/out/gn/obj/clang/test/InterfaceStubs/Output/driver-test.c.tmp1.so -emit-interface-stubs /Users/thakis/src/llvm-project/clang/test/InterfaceStubs/driver-test.c /Users/thakis/src/llvm-project/clang/test/InterfaceStubs/object.c /Users/thakis/src/llvm-project/clang/test/InterfaceStubs/weak.cpp && llvm-nm /Users/thakis/src/llvm-project/out/gn/obj/clang/test/InterfaceStubs/Output/driver-test.c.tmp1.so 2>&1 | /Users/thakis/src/llvm-project/out/gn/bin/FileCheck --check-prefix=CHECK-IFS /Users/thakis/src/llvm-project/clang/test/InterfaceStubs/driver-test.c
> : 'RUN: at line 6'; /Users/thakis/src/llvm-project/out/gn/bin/clang -target x86_64-unknown-linux-gnu -x c -o /Users/thakis/src/llvm-project/out/gn/obj/clang/test/InterfaceStubs/Output/driver-test.c.tmp2.so -shared /Users/thakis/src/llvm-project/clang/test/InterfaceStubs/driver-test.c /Users/thakis/src/llvm-project/clang/test/InterfaceStubs/object.c /Users/thakis/src/llvm-project/clang/test/InterfaceStubs/weak.cpp && llvm-nm /Users/thakis/src/llvm-project/out/gn/obj/clang/test/InterfaceStubs/Output/driver-test.c.tmp2.so 2>&1 | /Users/thakis/src/llvm-project/out/gn/bin/FileCheck --check-prefix=CHECK-SO /Users/thakis/src/llvm-project/clang/test/InterfaceStubs/driver-test.c
> --
> Exit Code: 1
>
> Command Output (stderr):
> --
> ld: unknown option: --eh-frame-hdr
> clang: error: linker command failed with exit code 1 (use -v to see invocation)
>
> --
>
> ********************
> Testing: 0 .. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90..
> Testing Time: 162.42s
> ********************
> Failing Tests (1):
> Clang :: InterfaceStubs/driver-test.c
>
> On Wed, Oct 2, 2019 at 8:14 PM Puyan Lotfi <puyan at puyan.org> wrote:
>
>> Looking at this. Sorry for this. I think either the test needs to be restricted for the x86 target or the llvm-ifs tool is not being built with the distribution.
>> PL
>>
>> Sent with [ProtonMail](https://protonmail.com) Secure Email.
>>
>> ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
>> On Wednesday, October 2, 2019 7:36 PM, Nico Weber <thakis at chromium.org> wrote:
>>
>>> Looks like this broke a bunch of tests:
>>>
>>> http://lab.llvm.org:8011/builders/clang-cuda-build/builds/37720/steps/ninja%20check%201/logs/FAIL%3A%20Clang%3A%3Aobject.cpp
>>> http://lab.llvm.org:8011/builders/clang-cuda-build/builds/37720/steps/ninja%20check%201/logs/FAIL%3A%20Clang%3A%3Adriver-test.c
>>>
>>> If it takes a while to fix, please revert and investigate async.
>>>
>>> On Wed, Oct 2, 2019 at 6:47 PM Puyan Lotfi via cfe-commits <cfe-commits at lists.llvm.org> wrote:
>>>
>>>> Author: zer0
>>>> Date: Wed Oct 2 15:50:07 2019
>>>> New Revision: 373538
>>>>
>>>> URL: http://llvm.org/viewvc/llvm-project?rev=373538&view=rev
>>>> Log:
>>>> [clang][ifs] Clang Interface Stubs ToolChain plumbing.
>>>>
>>>> This patch enables end to end support for generating ELF interface stubs
>>>> directly from clang. Now the following:
>>>>
>>>> clang -emit-interface-stubs -o libfoo.so a.cpp b.cpp c.cpp
>>>>
>>>> will product an ELF binary with visible symbols populated. Visibility attributes
>>>> and -fvisibility can be used to control what gets populated.
>>>>
>>>> * Adding ToolChain support for clang Driver IFS Merge Phase
>>>> * Implementing a default InterfaceStubs Merge clang Tool, used by ToolChain
>>>> * Adds support for the clang Driver to involve llvm-ifs on ifs files.
>>>> * Adds -emit-merged-ifs flag, to tell llvm-ifs to emit a merged ifs text file
>>>> instead of the final object format (normally ELF)
>>>>
>>>> Differential Revision: https://reviews.llvm.org/D63978
>>>>
>>>> Added:
>>>> cfe/trunk/lib/Driver/ToolChains/InterfaceStubs.cpp
>>>> cfe/trunk/lib/Driver/ToolChains/InterfaceStubs.h
>>>> cfe/trunk/test/InterfaceStubs/conflict-type.ifs
>>>> cfe/trunk/test/InterfaceStubs/driver-test.c
>>>> cfe/trunk/test/InterfaceStubs/func.ifs
>>>> cfe/trunk/test/InterfaceStubs/merge-conflict-test.c
>>>> cfe/trunk/test/InterfaceStubs/object-double.c
>>>> cfe/trunk/test/InterfaceStubs/object-float.c
>>>> cfe/trunk/test/InterfaceStubs/object.c
>>>> cfe/trunk/test/InterfaceStubs/object.ifs
>>>> Modified:
>>>> cfe/trunk/include/clang/Driver/Action.h
>>>> cfe/trunk/include/clang/Driver/Options.td
>>>> cfe/trunk/include/clang/Driver/Phases.h
>>>> cfe/trunk/include/clang/Driver/ToolChain.h
>>>> cfe/trunk/include/clang/Driver/Types.def
>>>> cfe/trunk/lib/Driver/Action.cpp
>>>> cfe/trunk/lib/Driver/CMakeLists.txt
>>>> cfe/trunk/lib/Driver/Driver.cpp
>>>> cfe/trunk/lib/Driver/Phases.cpp
>>>> cfe/trunk/lib/Driver/ToolChain.cpp
>>>> cfe/trunk/lib/Driver/ToolChains/Clang.cpp
>>>> cfe/trunk/lib/Driver/Types.cpp
>>>> cfe/trunk/lib/Frontend/CompilerInvocation.cpp
>>>> cfe/trunk/test/InterfaceStubs/bad-format.cpp
>>>> cfe/trunk/test/InterfaceStubs/class-template-specialization.cpp
>>>> cfe/trunk/test/InterfaceStubs/externstatic.c
>>>> cfe/trunk/test/InterfaceStubs/function-template-specialization.cpp
>>>> cfe/trunk/test/InterfaceStubs/inline.c
>>>> cfe/trunk/test/InterfaceStubs/template-namespace-function.cpp
>>>> cfe/trunk/test/InterfaceStubs/weak.cpp
>>>> cfe/trunk/test/lit.cfg.py
>>>>
>>>> Modified: cfe/trunk/include/clang/Driver/Action.h
>>>> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Driver/Action.h?rev=373538&r1=373537&r2=373538&view=diff
>>>> ==============================================================================
>>>> --- cfe/trunk/include/clang/Driver/Action.h (original)
>>>> +++ cfe/trunk/include/clang/Driver/Action.h Wed Oct 2 15:50:07 2019
>>>> @@ -65,6 +65,7 @@ public:
>>>> BackendJobClass,
>>>> AssembleJobClass,
>>>> LinkJobClass,
>>>> + IfsMergeJobClass,
>>>> LipoJobClass,
>>>> DsymutilJobClass,
>>>> VerifyDebugInfoJobClass,
>>>> @@ -485,6 +486,17 @@ public:
>>>> }
>>>> };
>>>>
>>>> +class IfsMergeJobAction : public JobAction {
>>>> + void anchor() override;
>>>> +
>>>> +public:
>>>> + IfsMergeJobAction(ActionList &Inputs, types::ID Type);
>>>> +
>>>> + static bool classof(const Action *A) {
>>>> + return A->getKind() == IfsMergeJobClass;
>>>> + }
>>>> +};
>>>> +
>>>> class LinkJobAction : public JobAction {
>>>> void anchor() override;
>>>>
>>>> Modified: cfe/trunk/include/clang/Driver/Options.td
>>>> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Driver/Options.td?rev=373538&r1=373537&r2=373538&view=diff
>>>> ==============================================================================
>>>> --- cfe/trunk/include/clang/Driver/Options.td (original)
>>>> +++ cfe/trunk/include/clang/Driver/Options.td Wed Oct 2 15:50:07 2019
>>>> @@ -633,6 +633,9 @@ def emit_llvm : Flag<["-"], "emit-llvm">
>>>> HelpText<"Use the LLVM representation for assembler and object files">;
>>>> def emit_iterface_stubs : Flag<["-"], "emit-interface-stubs">, Flags<[CC1Option]>, Group<Action_Group>,
>>>> HelpText<"Generate Inteface Stub Files.">;
>>>> +def emit_merged_ifs : Flag<["-"], "emit-merged-ifs">,
>>>> + Flags<[CC1Option]>, Group<Action_Group>,
>>>> + HelpText<"Generate Interface Stub Files, emit merged text not binary.">;
>>>> def iterface_stub_version_EQ : JoinedOrSeparate<["-"], "interface-stub-version=">, Flags<[CC1Option]>;
>>>> def exported__symbols__list : Separate<["-"], "exported_symbols_list">;
>>>> def e : JoinedOrSeparate<["-"], "e">, Group<Link_Group>;
>>>>
>>>> Modified: cfe/trunk/include/clang/Driver/Phases.h
>>>> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Driver/Phases.h?rev=373538&r1=373537&r2=373538&view=diff
>>>> ==============================================================================
>>>> --- cfe/trunk/include/clang/Driver/Phases.h (original)
>>>> +++ cfe/trunk/include/clang/Driver/Phases.h Wed Oct 2 15:50:07 2019
>>>> @@ -20,7 +20,8 @@ namespace phases {
>>>> Compile,
>>>> Backend,
>>>> Assemble,
>>>> - Link
>>>> + Link,
>>>> + IfsMerge,
>>>> };
>>>>
>>>> enum {
>>>>
>>>> Modified: cfe/trunk/include/clang/Driver/ToolChain.h
>>>> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Driver/ToolChain.h?rev=373538&r1=373537&r2=373538&view=diff
>>>> ==============================================================================
>>>> --- cfe/trunk/include/clang/Driver/ToolChain.h (original)
>>>> +++ cfe/trunk/include/clang/Driver/ToolChain.h Wed Oct 2 15:50:07 2019
>>>> @@ -136,11 +136,13 @@ private:
>>>> mutable std::unique_ptr<Tool> Clang;
>>>> mutable std::unique_ptr<Tool> Assemble;
>>>> mutable std::unique_ptr<Tool> Link;
>>>> + mutable std::unique_ptr<Tool> IfsMerge;
>>>> mutable std::unique_ptr<Tool> OffloadBundler;
>>>>
>>>> Tool *getClang() const;
>>>> Tool *getAssemble() const;
>>>> Tool *getLink() const;
>>>> + Tool *getIfsMerge() const;
>>>> Tool *getClangAs() const;
>>>> Tool *getOffloadBundler() const;
>>>>
>>>> Modified: cfe/trunk/include/clang/Driver/Types.def
>>>> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Driver/Types.def?rev=373538&r1=373537&r2=373538&view=diff
>>>> ==============================================================================
>>>> --- cfe/trunk/include/clang/Driver/Types.def (original)
>>>> +++ cfe/trunk/include/clang/Driver/Types.def Wed Oct 2 15:50:07 2019
>>>> @@ -84,7 +84,8 @@ TYPE("lto-bc", LTO_BC,
>>>>
>>>> // Misc.
>>>> TYPE("ast", AST, INVALID, "ast", phases::Compile, phases::Backend, phases::Assemble, phases::Link)
>>>> -TYPE("ifs", IFS, INVALID, "ifs", phases::Compile, phases::Backend, phases::Assemble, phases::Link)
>>>> +TYPE("ifs", IFS, INVALID, "ifs", phases::IfsMerge)
>>>> +TYPE("ifs-cpp", IFS_CPP, INVALID, "ifs", phases::Compile, phases::IfsMerge)
>>>> TYPE("pcm", ModuleFile, INVALID, "pcm", phases::Compile, phases::Backend, phases::Assemble, phases::Link)
>>>> TYPE("plist", Plist, INVALID, "plist", phases::Compile, phases::Backend, phases::Assemble, phases::Link)
>>>> TYPE("rewritten-objc", RewrittenObjC,INVALID, "cpp", phases::Compile, phases::Backend, phases::Assemble, phases::Link)
>>>>
>>>> Modified: cfe/trunk/lib/Driver/Action.cpp
>>>> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/Action.cpp?rev=373538&r1=373537&r2=373538&view=diff
>>>> ==============================================================================
>>>> --- cfe/trunk/lib/Driver/Action.cpp (original)
>>>> +++ cfe/trunk/lib/Driver/Action.cpp Wed Oct 2 15:50:07 2019
>>>> @@ -31,6 +31,7 @@ const char *Action::getClassName(ActionC
>>>> case CompileJobClass: return "compiler";
>>>> case BackendJobClass: return "backend";
>>>> case AssembleJobClass: return "assembler";
>>>> + case IfsMergeJobClass: return "interface-stub-merger";
>>>> case LinkJobClass: return "linker";
>>>> case LipoJobClass: return "lipo";
>>>> case DsymutilJobClass: return "dsymutil";
>>>> @@ -357,6 +358,11 @@ void AssembleJobAction::anchor() {}
>>>> AssembleJobAction::AssembleJobAction(Action *Input, types::ID OutputType)
>>>> : JobAction(AssembleJobClass, Input, OutputType) {}
>>>>
>>>> +void IfsMergeJobAction::anchor() {}
>>>> +
>>>> +IfsMergeJobAction::IfsMergeJobAction(ActionList &Inputs, types::ID Type)
>>>> + : JobAction(IfsMergeJobClass, Inputs, Type) {}
>>>> +
>>>> void LinkJobAction::anchor() {}
>>>>
>>>> LinkJobAction::LinkJobAction(ActionList &Inputs, types::ID Type)
>>>>
>>>> Modified: cfe/trunk/lib/Driver/CMakeLists.txt
>>>> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/CMakeLists.txt?rev=373538&r1=373537&r2=373538&view=diff
>>>> ==============================================================================
>>>> --- cfe/trunk/lib/Driver/CMakeLists.txt (original)
>>>> +++ cfe/trunk/lib/Driver/CMakeLists.txt Wed Oct 2 15:50:07 2019
>>>> @@ -66,6 +66,7 @@ add_clang_library(clangDriver
>>>> ToolChains/WebAssembly.cpp
>>>> ToolChains/XCore.cpp
>>>> ToolChains/PPCLinux.cpp
>>>> + ToolChains/InterfaceStubs.cpp
>>>> Types.cpp
>>>> XRayArgs.cpp
>>>>
>>>> Modified: cfe/trunk/lib/Driver/Driver.cpp
>>>> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/Driver.cpp?rev=373538&r1=373537&r2=373538&view=diff
>>>> ==============================================================================
>>>> --- cfe/trunk/lib/Driver/Driver.cpp (original)
>>>> +++ cfe/trunk/lib/Driver/Driver.cpp Wed Oct 2 15:50:07 2019
>>>> @@ -274,11 +274,11 @@ phases::ID Driver::getFinalPhase(const D
>>>> (PhaseArg = DAL.getLastArg(options::OPT__SLASH_P))) {
>>>> FinalPhase = phases::Preprocess;
>>>>
>>>> - // --precompile only runs up to precompilation.
>>>> + // --precompile only runs up to precompilation.
>>>> } else if ((PhaseArg = DAL.getLastArg(options::OPT__precompile))) {
>>>> FinalPhase = phases::Precompile;
>>>>
>>>> - // -{fsyntax-only,-analyze,emit-ast} only run up to the compiler.
>>>> + // -{fsyntax-only,-analyze,emit-ast} only run up to the compiler.
>>>> } else if ((PhaseArg = DAL.getLastArg(options::OPT_fsyntax_only)) ||
>>>> (PhaseArg = DAL.getLastArg(options::OPT_print_supported_cpus)) ||
>>>> (PhaseArg = DAL.getLastArg(options::OPT_module_file_info)) ||
>>>> @@ -286,20 +286,23 @@ phases::ID Driver::getFinalPhase(const D
>>>> (PhaseArg = DAL.getLastArg(options::OPT_rewrite_objc)) ||
>>>> (PhaseArg = DAL.getLastArg(options::OPT_rewrite_legacy_objc)) ||
>>>> (PhaseArg = DAL.getLastArg(options::OPT__migrate)) ||
>>>> - (PhaseArg = DAL.getLastArg(options::OPT_emit_iterface_stubs)) ||
>>>> (PhaseArg = DAL.getLastArg(options::OPT__analyze)) ||
>>>> (PhaseArg = DAL.getLastArg(options::OPT_emit_ast))) {
>>>> FinalPhase = phases::Compile;
>>>>
>>>> - // -S only runs up to the backend.
>>>> + // clang interface stubs
>>>> + } else if ((PhaseArg = DAL.getLastArg(options::OPT_emit_iterface_stubs))) {
>>>> + FinalPhase = phases::IfsMerge;
>>>> +
>>>> + // -S only runs up to the backend.
>>>> } else if ((PhaseArg = DAL.getLastArg(options::OPT_S))) {
>>>> FinalPhase = phases::Backend;
>>>>
>>>> - // -c compilation only runs up to the assembler.
>>>> + // -c compilation only runs up to the assembler.
>>>> } else if ((PhaseArg = DAL.getLastArg(options::OPT_c))) {
>>>> FinalPhase = phases::Assemble;
>>>>
>>>> - // Otherwise do everything.
>>>> + // Otherwise do everything.
>>>> } else
>>>> FinalPhase = phases::Link;
>>>>
>>>> @@ -3323,6 +3326,7 @@ void Driver::BuildActions(Compilation &C
>>>> // Construct the actions to perform.
>>>> HeaderModulePrecompileJobAction *HeaderModuleAction = nullptr;
>>>> ActionList LinkerInputs;
>>>> + ActionList MergerInputs;
>>>>
>>>> for (auto &I : Inputs) {
>>>> types::ID InputType = I.first;
>>>> @@ -3360,6 +3364,17 @@ void Driver::BuildActions(Compilation &C
>>>> break;
>>>> }
>>>>
>>>> + // TODO: Consider removing this because the merged may not end up being
>>>> + // the final Phase in the pipeline. Perhaps the merged could just merge
>>>> + // and then pass an artifact of some sort to the Link Phase.
>>>> + // Queue merger inputs.
>>>> + if (Phase == phases::IfsMerge) {
>>>> + assert(Phase == PL.back() && "merging must be final compilation step.");
>>>> + MergerInputs.push_back(Current);
>>>> + Current = nullptr;
>>>> + break;
>>>> + }
>>>> +
>>>> // Each precompiled header file after a module file action is a module
>>>> // header of that same module file, rather than being compiled to a
>>>> // separate PCH.
>>>> @@ -3409,6 +3424,11 @@ void Driver::BuildActions(Compilation &C
>>>> Actions.push_back(LA);
>>>> }
>>>>
>>>> + // Add an interface stubs merge action if necessary.
>>>> + if (!MergerInputs.empty())
>>>> + Actions.push_back(
>>>> + C.MakeAction<IfsMergeJobAction>(MergerInputs, types::TY_Image));
>>>> +
>>>> // If --print-supported-cpus, -mcpu=? or -mtune=? is specified, build a custom
>>>> // Compile phase that prints out supported cpu models and quits.
>>>> if (Arg *A = Args.getLastArg(options::OPT_print_supported_cpus)) {
>>>> @@ -3445,6 +3465,8 @@ Action *Driver::ConstructPhaseAction(
>>>> switch (Phase) {
>>>> case phases::Link:
>>>> llvm_unreachable("link action invalid here.");
>>>> + case phases::IfsMerge:
>>>> + llvm_unreachable("ifsmerge action invalid here.");
>>>> case phases::Preprocess: {
>>>> types::ID OutputTy;
>>>> // -M and -MM specify the dependency file name by altering the output type,
>>>> @@ -3509,7 +3531,7 @@ Action *Driver::ConstructPhaseAction(
>>>> if (Args.hasArg(options::OPT_verify_pch))
>>>> return C.MakeAction<VerifyPCHJobAction>(Input, types::TY_Nothing);
>>>> if (Args.hasArg(options::OPT_emit_iterface_stubs))
>>>> - return C.MakeAction<CompileJobAction>(Input, types::TY_IFS);
>>>> + return C.MakeAction<CompileJobAction>(Input, types::TY_IFS_CPP);
>>>> return C.MakeAction<CompileJobAction>(Input, types::TY_LLVM_BC);
>>>> }
>>>> case phases::Backend: {
>>>>
>>>> Modified: cfe/trunk/lib/Driver/Phases.cpp
>>>> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/Phases.cpp?rev=373538&r1=373537&r2=373538&view=diff
>>>> ==============================================================================
>>>> --- cfe/trunk/lib/Driver/Phases.cpp (original)
>>>> +++ cfe/trunk/lib/Driver/Phases.cpp Wed Oct 2 15:50:07 2019
>>>> @@ -20,6 +20,7 @@ const char *phases::getPhaseName(ID Id)
>>>> case Backend: return "backend";
>>>> case Assemble: return "assembler";
>>>> case Link: return "linker";
>>>> + case IfsMerge: return "ifsmerger";
>>>> }
>>>>
>>>> llvm_unreachable("Invalid phase id.");
>>>>
>>>> Modified: cfe/trunk/lib/Driver/ToolChain.cpp
>>>> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/ToolChain.cpp?rev=373538&r1=373537&r2=373538&view=diff
>>>> ==============================================================================
>>>> --- cfe/trunk/lib/Driver/ToolChain.cpp (original)
>>>> +++ cfe/trunk/lib/Driver/ToolChain.cpp Wed Oct 2 15:50:07 2019
>>>> @@ -10,6 +10,7 @@
>>>> #include "InputInfo.h"
>>>> #include "ToolChains/Arch/ARM.h"
>>>> #include "ToolChains/Clang.h"
>>>> +#include "ToolChains/InterfaceStubs.h"
>>>> #include "clang/Basic/ObjCRuntime.h"
>>>> #include "clang/Basic/Sanitizers.h"
>>>> #include "clang/Config/config.h"
>>>> @@ -279,6 +280,12 @@ Tool *ToolChain::getLink() const {
>>>> return Link.get();
>>>> }
>>>>
>>>> +Tool *ToolChain::getIfsMerge() const {
>>>> + if (!IfsMerge)
>>>> + IfsMerge.reset(new tools::ifstool::Merger(*this));
>>>> + return IfsMerge.get();
>>>> +}
>>>> +
>>>> Tool *ToolChain::getOffloadBundler() const {
>>>> if (!OffloadBundler)
>>>> OffloadBundler.reset(new tools::OffloadBundler(*this));
>>>> @@ -290,6 +297,9 @@ Tool *ToolChain::getTool(Action::ActionC
>>>> case Action::AssembleJobClass:
>>>> return getAssemble();
>>>>
>>>> + case Action::IfsMergeJobClass:
>>>> + return getIfsMerge();
>>>> +
>>>> case Action::LinkJobClass:
>>>> return getLink();
>>>>
>>>> Modified: cfe/trunk/lib/Driver/ToolChains/Clang.cpp
>>>> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/ToolChains/Clang.cpp?rev=373538&r1=373537&r2=373538&view=diff
>>>> ==============================================================================
>>>> --- cfe/trunk/lib/Driver/ToolChains/Clang.cpp (original)
>>>> +++ cfe/trunk/lib/Driver/ToolChains/Clang.cpp Wed Oct 2 15:50:07 2019
>>>> @@ -3683,32 +3683,15 @@ void Clang::ConstructJob(Compilation &C,
>>>> } else if (JA.getType() == types::TY_LLVM_BC ||
>>>> JA.getType() == types::TY_LTO_BC) {
>>>> CmdArgs.push_back("-emit-llvm-bc");
>>>> - } else if (JA.getType() == types::TY_IFS) {
>>>> + } else if (JA.getType() == types::TY_IFS ||
>>>> + JA.getType() == types::TY_IFS_CPP) {
>>>> StringRef ArgStr =
>>>> Args.hasArg(options::OPT_iterface_stub_version_EQ)
>>>> ? Args.getLastArgValue(options::OPT_iterface_stub_version_EQ)
>>>> - : "";
>>>> - StringRef StubFormat =
>>>> - llvm::StringSwitch<StringRef>(ArgStr)
>>>> - .Case("experimental-ifs-v1", "experimental-ifs-v1")
>>>> - .Default("");
>>>> -
>>>> - if (StubFormat.empty()) {
>>>> - std::string ErrorMessage =
>>>> - "Invalid interface stub format: " + ArgStr.str() +
>>>> - ((ArgStr == "experimental-yaml-elf-v1" ||
>>>> - ArgStr == "experimental-tapi-elf-v1")
>>>> - ? " is deprecated."
>>>> - : ".");
>>>> - D.Diag(diag::err_drv_invalid_value)
>>>> - << "Must specify a valid interface stub format type, ie: "
>>>> - "-interface-stub-version=experimental-ifs-v1"
>>>> - << ErrorMessage;
>>>> - }
>>>> -
>>>> + : "experimental-ifs-v1";
>>>> CmdArgs.push_back("-emit-interface-stubs");
>>>> CmdArgs.push_back(
>>>> - Args.MakeArgString(Twine("-interface-stub-version=") + StubFormat));
>>>> + Args.MakeArgString(Twine("-interface-stub-version=") + ArgStr.str()));
>>>> } else if (JA.getType() == types::TY_PP_Asm) {
>>>> CmdArgs.push_back("-S");
>>>> } else if (JA.getType() == types::TY_AST) {
>>>>
>>>> Added: cfe/trunk/lib/Driver/ToolChains/InterfaceStubs.cpp
>>>> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/ToolChains/InterfaceStubs.cpp?rev=373538&view=auto
>>>> ==============================================================================
>>>> --- cfe/trunk/lib/Driver/ToolChains/InterfaceStubs.cpp (added)
>>>> +++ cfe/trunk/lib/Driver/ToolChains/InterfaceStubs.cpp Wed Oct 2 15:50:07 2019
>>>> @@ -0,0 +1,37 @@
>>>> +//===--- InterfaceStubs.cpp - Base InterfaceStubs Implementations C++ ---===//
>>>> +//
>>>> +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
>>>> +// See https://llvm.org/LICENSE.txt for license information.
>>>> +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
>>>> +//
>>>> +//===----------------------------------------------------------------------===//
>>>> +
>>>> +#include "InterfaceStubs.h"
>>>> +#include "CommonArgs.h"
>>>> +#include "clang/Driver/Compilation.h"
>>>> +
>>>> +namespace clang {
>>>> +namespace driver {
>>>> +namespace tools {
>>>> +namespace ifstool {
>>>> +void Merger::ConstructJob(Compilation &C, const JobAction &JA,
>>>> + const InputInfo &Output, const InputInfoList &Inputs,
>>>> + const llvm::opt::ArgList &Args,
>>>> + const char *LinkingOutput) const {
>>>> + std::string Merger = getToolChain().GetProgramPath(getShortName());
>>>> + llvm::opt::ArgStringList CmdArgs;
>>>> + CmdArgs.push_back("-action");
>>>> + CmdArgs.push_back(Args.getLastArg(options::OPT_emit_merged_ifs)
>>>> + ? "write-ifs"
>>>> + : "write-bin");
>>>> + CmdArgs.push_back("-o");
>>>> + CmdArgs.push_back(Output.getFilename());
>>>> + for (const auto &Input : Inputs)
>>>> + CmdArgs.push_back(Input.getFilename());
>>>> + C.addCommand(std::make_unique<Command>(JA, *this, Args.MakeArgString(Merger),
>>>> + CmdArgs, Inputs));
>>>> +}
>>>> +} // namespace ifstool
>>>> +} // namespace tools
>>>> +} // namespace driver
>>>> +} // namespace clang
>>>>
>>>> Added: cfe/trunk/lib/Driver/ToolChains/InterfaceStubs.h
>>>> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/ToolChains/InterfaceStubs.h?rev=373538&view=auto
>>>> ==============================================================================
>>>> --- cfe/trunk/lib/Driver/ToolChains/InterfaceStubs.h (added)
>>>> +++ cfe/trunk/lib/Driver/ToolChains/InterfaceStubs.h Wed Oct 2 15:50:07 2019
>>>> @@ -0,0 +1,36 @@
>>>> +//===--- InterfaceStubs.cpp - Base InterfaceStubs Implementations C++ ---===//
>>>> +//
>>>> +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
>>>> +// See https://llvm.org/LICENSE.txt for license information.
>>>> +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
>>>> +//
>>>> +//===----------------------------------------------------------------------===//
>>>> +
>>>> +#ifndef LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_IFS_H
>>>> +#define LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_IFS_H
>>>> +
>>>> +#include "clang/Driver/Tool.h"
>>>> +#include "clang/Driver/ToolChain.h"
>>>> +
>>>> +namespace clang {
>>>> +namespace driver {
>>>> +namespace tools {
>>>> +namespace ifstool {
>>>> +class LLVM_LIBRARY_VISIBILITY Merger : public Tool {
>>>> +public:
>>>> + Merger(const ToolChain &TC) : Tool("IFS::Merger", "llvm-ifs", TC) {}
>>>> +
>>>> + bool hasIntegratedCPP() const override { return false; }
>>>> + bool isLinkJob() const override { return false; }
>>>> +
>>>> + void ConstructJob(Compilation &C, const JobAction &JA,
>>>> + const InputInfo &Output, const InputInfoList &Inputs,
>>>> + const llvm::opt::ArgList &TCArgs,
>>>> + const char *LinkingOutput) const override;
>>>> +};
>>>> +} // end namespace ifstool
>>>> +} // end namespace tools
>>>> +} // end namespace driver
>>>> +} // end namespace clang
>>>> +
>>>> +#endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_IFS_H
>>>>
>>>> Modified: cfe/trunk/lib/Driver/Types.cpp
>>>> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/Types.cpp?rev=373538&r1=373537&r2=373538&view=diff
>>>> ==============================================================================
>>>> --- cfe/trunk/lib/Driver/Types.cpp (original)
>>>> +++ cfe/trunk/lib/Driver/Types.cpp Wed Oct 2 15:50:07 2019
>>>> @@ -269,6 +269,7 @@ types::ID types::lookupTypeForExtension(
>>>> .Case("lib", TY_Object)
>>>> .Case("mii", TY_PP_ObjCXX)
>>>> .Case("obj", TY_Object)
>>>> + .Case("ifs", TY_IFS)
>>>> .Case("pch", TY_PCH)
>>>> .Case("pcm", TY_ModuleFile)
>>>> .Case("c++m", TY_CXXModule)
>>>> @@ -319,6 +320,22 @@ void types::getCompilationPhases(const c
>>>> llvm::copy_if(PhaseList, std::back_inserter(P),
>>>> [](phases::ID Phase) { return Phase <= phases::Precompile; });
>>>>
>>>> + // Treat Interface Stubs like its own compilation mode.
>>>> + else if (DAL.getLastArg(options::OPT_emit_iterface_stubs)) {
>>>> + llvm::SmallVector<phases::ID, phases::MaxNumberOfPhases> IfsModePhaseList;
>>>> + llvm::SmallVector<phases::ID, phases::MaxNumberOfPhases> &PL = PhaseList;
>>>> + phases::ID LastPhase = phases::IfsMerge;
>>>> + if (Id != types::TY_IFS) {
>>>> + if (DAL.hasArg(options::OPT_c))
>>>> + LastPhase = phases::Compile;
>>>> + PL = IfsModePhaseList;
>>>> + types::getCompilationPhases(types::TY_IFS_CPP, PL);
>>>> + }
>>>> + llvm::copy_if(PL, std::back_inserter(P), [&](phases::ID Phase) {
>>>> + return Phase <= LastPhase;
>>>> + });
>>>> + }
>>>> +
>>>> // -{fsyntax-only,-analyze,emit-ast} only run up to the compiler.
>>>> else if (DAL.getLastArg(options::OPT_fsyntax_only) ||
>>>> DAL.getLastArg(options::OPT_print_supported_cpus) ||
>>>> @@ -327,7 +344,6 @@ void types::getCompilationPhases(const c
>>>> DAL.getLastArg(options::OPT_rewrite_objc) ||
>>>> DAL.getLastArg(options::OPT_rewrite_legacy_objc) ||
>>>> DAL.getLastArg(options::OPT__migrate) ||
>>>> - DAL.getLastArg(options::OPT_emit_iterface_stubs) ||
>>>> DAL.getLastArg(options::OPT__analyze) ||
>>>> DAL.getLastArg(options::OPT_emit_ast))
>>>> llvm::copy_if(PhaseList, std::back_inserter(P),
>>>>
>>>> Modified: cfe/trunk/lib/Frontend/CompilerInvocation.cpp
>>>> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/CompilerInvocation.cpp?rev=373538&r1=373537&r2=373538&view=diff
>>>> ==============================================================================
>>>> --- cfe/trunk/lib/Frontend/CompilerInvocation.cpp (original)
>>>> +++ cfe/trunk/lib/Frontend/CompilerInvocation.cpp Wed Oct 2 15:50:07 2019
>>>> @@ -1734,24 +1734,25 @@ static InputKind ParseFrontendArgs(Front
>>>> StringRef ArgStr =
>>>> Args.hasArg(OPT_iterface_stub_version_EQ)
>>>> ? Args.getLastArgValue(OPT_iterface_stub_version_EQ)
>>>> - : "";
>>>> - llvm::Optional<frontend::ActionKind> ProgramAction =
>>>> - llvm::StringSwitch<llvm::Optional<frontend::ActionKind>>(ArgStr)
>>>> - .Case("experimental-ifs-v1", frontend::GenerateInterfaceIfsExpV1)
>>>> - .Default(llvm::None);
>>>> - if (!ProgramAction) {
>>>> + : "experimental-ifs-v1";
>>>> + if (ArgStr == "experimental-yaml-elf-v1" ||
>>>> + ArgStr == "experimental-tapi-elf-v1") {
>>>> std::string ErrorMessage =
>>>> "Invalid interface stub format: " + ArgStr.str() +
>>>> - ((ArgStr == "experimental-yaml-elf-v1" ||
>>>> - ArgStr == "experimental-tapi-elf-v1")
>>>> - ? " is deprecated."
>>>> - : ".");
>>>> + " is deprecated.";
>>>> + Diags.Report(diag::err_drv_invalid_value)
>>>> + << "Must specify a valid interface stub format type, ie: "
>>>> + "-interface-stub-version=experimental-ifs-v1"
>>>> + << ErrorMessage;
>>>> + } else if (ArgStr != "experimental-ifs-v1") {
>>>> + std::string ErrorMessage =
>>>> + "Invalid interface stub format: " + ArgStr.str() + ".";
>>>> Diags.Report(diag::err_drv_invalid_value)
>>>> << "Must specify a valid interface stub format type, ie: "
>>>> "-interface-stub-version=experimental-ifs-v1"
>>>> << ErrorMessage;
>>>> } else {
>>>> - Opts.ProgramAction = *ProgramAction;
>>>> + Opts.ProgramAction = frontend::GenerateInterfaceIfsExpV1;
>>>> }
>>>> break;
>>>> }
>>>>
>>>> Modified: cfe/trunk/test/InterfaceStubs/bad-format.cpp
>>>> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/InterfaceStubs/bad-format.cpp?rev=373538&r1=373537&r2=373538&view=diff
>>>> ==============================================================================
>>>> --- cfe/trunk/test/InterfaceStubs/bad-format.cpp (original)
>>>> +++ cfe/trunk/test/InterfaceStubs/bad-format.cpp Wed Oct 2 15:50:07 2019
>>>> @@ -1,28 +1,25 @@
>>>> -// REQUIRES: x86-registered-target
>>>> -// RUN: not %clang -target x86_64-linux-gnu -o - -emit-interface-stubs \
>>>> -// RUN: -interface-stub-version=bar-format %s 2>&1 | FileCheck %s
>>>> +// RUN: not %clang -emit-interface-stubs -interface-stub-version=bad-format %s 2>&1 | \
>>>> +// RUN: FileCheck %s
>>>>
>>>> -// RUN: not %clang -target x86_64-linux-gnu -o - -emit-interface-stubs \
>>>> -// RUN: -interface-stub-version=experimental-tapi-elf-v1 %s 2>&1 | \
>>>> +// RUN: not %clang -emit-interface-stubs -interface-stub-version=experimental-tapi-elf-v1 %s 2>&1 | \
>>>> // RUN: FileCheck -check-prefix=CHECK-TAPI-DEPRECATED %s
>>>>
>>>> -// RUN: not %clang -target x86_64-linux-gnu -o - -emit-interface-stubs \
>>>> -// RUN: -interface-stub-version=experimental-yaml-elf-v1 %s 2>&1 | \
>>>> +// RUN: not %clang -emit-interface-stubs -interface-stub-version=experimental-yaml-elf-v1 %s 2>&1 | \
>>>> // RUN: FileCheck -check-prefix=CHECK-YAML-DEPRECATED %s
>>>>
>>>> -// RUN: not %clang_cc1 -target x86_64-linux-gnu -o - -emit-interface-stubs \
>>>> -// RUN: -interface-stub-version=bar-format %s 2>&1 | FileCheck %s
>>>> +// RUN: not %clang -emit-interface-stubs -interface-stub-version=bad-format %s 2>&1 | \
>>>> +// RUN: FileCheck %s
>>>>
>>>> -// RUN: not %clang_cc1 -target x86_64-linux-gnu -o - -emit-interface-stubs \
>>>> +// RUN: not %clang -emit-interface-stubs \
>>>> // RUN: -interface-stub-version=experimental-tapi-elf-v1 %s 2>&1 | \
>>>> // RUN: FileCheck -check-prefix=CHECK-TAPI-DEPRECATED %s
>>>>
>>>> -// RUN: not %clang_cc1 -target x86_64-linux-gnu -o - -emit-interface-stubs \
>>>> +// RUN: not %clang -emit-interface-stubs \
>>>> // RUN: -interface-stub-version=experimental-yaml-elf-v1 %s 2>&1 | \
>>>> // RUN: FileCheck -check-prefix=CHECK-YAML-DEPRECATED %s
>>>>
>>>> // CHECK: error: invalid value
>>>> -// CHECK: 'Invalid interface stub format: bar-format.' in 'Must specify a
>>>> +// CHECK: 'Invalid interface stub format: bad-format.' in 'Must specify a
>>>> // CHECK: valid interface stub format type, ie:
>>>> // CHECK: -interface-stub-version=experimental-ifs-v1'
>>>>
>>>> Modified: cfe/trunk/test/InterfaceStubs/class-template-specialization.cpp
>>>> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/InterfaceStubs/class-template-specialization.cpp?rev=373538&r1=373537&r2=373538&view=diff
>>>> ==============================================================================
>>>> --- cfe/trunk/test/InterfaceStubs/class-template-specialization.cpp (original)
>>>> +++ cfe/trunk/test/InterfaceStubs/class-template-specialization.cpp Wed Oct 2 15:50:07 2019
>>>> @@ -1,9 +1,9 @@
>>>> // REQUIRES: x86-registered-target
>>>> -// RUN: %clang -target x86_64-unknown-linux-gnu -o - -emit-interface-stubs \
>>>> +// RUN: %clang -target x86_64-unknown-linux-gnu -o - -emit-interface-stubs -emit-merged-ifs \
>>>> // RUN: -interface-stub-version=experimental-ifs-v1 %s | \
>>>> // RUN: FileCheck -check-prefix=CHECK-TAPI %s
>>>>
>>>> -// RUN: %clang -target x86_64-unknown-linux-gnu -o - -emit-interface-stubs \
>>>> +// RUN: %clang -target x86_64-unknown-linux-gnu -o - -emit-interface-stubs -emit-merged-ifs \
>>>> // RUN: -interface-stub-version=experimental-ifs-v1 %s | \
>>>> // RUN: FileCheck -check-prefix=CHECK-TAPI2 %s
>>>> // RUN: %clang -target x86_64-unknown-linux-gnu -o - -c %s | \
>>>>
>>>> Added: cfe/trunk/test/InterfaceStubs/conflict-type.ifs
>>>> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/InterfaceStubs/conflict-type.ifs?rev=373538&view=auto
>>>> ==============================================================================
>>>> --- cfe/trunk/test/InterfaceStubs/conflict-type.ifs (added)
>>>> +++ cfe/trunk/test/InterfaceStubs/conflict-type.ifs Wed Oct 2 15:50:07 2019
>>>> @@ -0,0 +1,16 @@
>>>> +# RUN: not %clang -emit-merged-ifs -emit-interface-stubs -o - %s %S/func.ifs 2>&1 | \
>>>> +# RUN: FileCheck %s --check-prefixes=CHECK-IFS
>>>> +
>>>> +# Here we are testing to see if two symbols with identical names will fail to
>>>> +# merge in conflict due to mismatched types.
>>>> +# CHECK-IFS: error: Interface Stub: Type Mismatch for a.
>>>> +# CHECK-IFS-NEXT: Filename:
>>>> +# CHECK-IFS-NEXT: Type Values: Object Func
>>>> +
>>>> +--- !experimental-ifs-v1
>>>> +IfsVersion: 1.0
>>>> +Triple: x86_64-linux-gnu
>>>> +ObjectFileFormat: ELF
>>>> +Symbols:
>>>> + a: { Type: Object, Size: 1 }
>>>> +...
>>>>
>>>> Added: cfe/trunk/test/InterfaceStubs/driver-test.c
>>>> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/InterfaceStubs/driver-test.c?rev=373538&view=auto
>>>> ==============================================================================
>>>> --- cfe/trunk/test/InterfaceStubs/driver-test.c (added)
>>>> +++ cfe/trunk/test/InterfaceStubs/driver-test.c Wed Oct 2 15:50:07 2019
>>>> @@ -0,0 +1,12 @@
>>>> +// RUN: %clang -x c -o libfoo.so -emit-interface-stubs %s %S/object.c %S/weak.cpp && \
>>>> +// RUN: llvm-nm libfoo.so 2>&1 | FileCheck %s
>>>> +
>>>> +// RUN: %clang -x c -o libfoo.so -shared %s %S/object.c %S/weak.cpp && \
>>>> +// RUN: llvm-nm libfoo.so 2>&1 | FileCheck %s
>>>> +
>>>> +// CHECK-DAG: data
>>>> +// CHECK-DAG: foo
>>>> +// CHECK-DAG: strongFunc
>>>> +// CHECK-DAG: weakFunc
>>>> +
>>>> +int foo(int bar) { return 42 + 1844; }
>>>> \ No newline at end of file
>>>>
>>>> Modified: cfe/trunk/test/InterfaceStubs/externstatic.c
>>>> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/InterfaceStubs/externstatic.c?rev=373538&r1=373537&r2=373538&view=diff
>>>> ==============================================================================
>>>> --- cfe/trunk/test/InterfaceStubs/externstatic.c (original)
>>>> +++ cfe/trunk/test/InterfaceStubs/externstatic.c Wed Oct 2 15:50:07 2019
>>>> @@ -1,24 +1,20 @@
>>>> -// REQUIRES: x86-registered-target
>>>> -// RUN: %clang -DSTORAGE="extern" -target x86_64-unknown-linux-gnu -o - \
>>>> -// RUN: -emit-interface-stubs \
>>>> -// RUN: -interface-stub-version=experimental-ifs-v1 -std=c99 -xc %s | \
>>>> +// RUN: %clang -c -DSTORAGE="extern" -o - -emit-interface-stubs -std=c99 -xc %s | \
>>>> // RUN: FileCheck -check-prefix=CHECK-EXTERN %s
>>>> -// RUN: %clang -DSTORAGE="extern" -target x86_64-linux-gnu -O0 -o - -c -std=c99 \
>>>> +
>>>> +// RUN: %clang -DSTORAGE="extern" -O0 -o - -c -std=c99 \
>>>> // RUN: -xc %s | llvm-nm - 2>&1 | FileCheck -check-prefix=CHECK-EXTERN %s
>>>>
>>>> -// RUN: %clang -DSTORAGE="extern" -target x86_64-unknown-linux-gnu -o - \
>>>> -// RUN: -emit-interface-stubs \
>>>> -// RUN: -interface-stub-version=experimental-ifs-v1 -std=c99 -xc %s | \
>>>> +// RUN: %clang -c -DSTORAGE="extern" -o - -emit-interface-stubs -std=c99 -xc %s | \
>>>> +// RUN: FileCheck -check-prefix=CHECK-EXTERN2 %s
>>>> +
>>>> +// RUN: %clang -DSTORAGE="extern" -O0 -o - -c -std=c99 -xc %s | llvm-nm - 2>&1 | \
>>>> // RUN: FileCheck -check-prefix=CHECK-EXTERN2 %s
>>>> -// RUN: %clang -DSTORAGE="extern" -target x86_64-linux-gnu -O0 -o - -c -std=c99 \
>>>> -// RUN: -xc %s | llvm-nm - 2>&1 | FileCheck -check-prefix=CHECK-EXTERN2 %s
>>>>
>>>> -// RUN: %clang -DSTORAGE="static" -target x86_64-unknown-linux-gnu -o - \
>>>> -// RUN: -emit-interface-stubs \
>>>> -// RUN: -interface-stub-version=experimental-ifs-v1 -std=c99 -xc %s | \
>>>> +// RUN: %clang -c -DSTORAGE="static" -o - -emit-interface-stubs -std=c99 -xc %s | \
>>>> +// RUN: FileCheck -check-prefix=CHECK-STATIC %s
>>>> +
>>>> +// RUN: %clang -DSTORAGE="static" -O0 -o - -c -std=c99 -xc %s | llvm-nm - 2>&1 | \
>>>> // RUN: FileCheck -check-prefix=CHECK-STATIC %s
>>>> -// RUN: %clang -DSTORAGE="static" -target x86_64-linux-gnu -O0 -o - -c -std=c99 \
>>>> -// RUN: -xc %s | llvm-nm - 2>&1 | FileCheck -check-prefix=CHECK-STATIC %s
>>>>
>>>> // CHECK-EXTERN-NOT: foo
>>>> // CHECK-STATIC-NOT: foo
>>>>
>>>> Added: cfe/trunk/test/InterfaceStubs/func.ifs
>>>> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/InterfaceStubs/func.ifs?rev=373538&view=auto
>>>> ==============================================================================
>>>> --- cfe/trunk/test/InterfaceStubs/func.ifs (added)
>>>> +++ cfe/trunk/test/InterfaceStubs/func.ifs Wed Oct 2 15:50:07 2019
>>>> @@ -0,0 +1,40 @@
>>>> +# RUN: %clang -emit-interface-stubs -o - %s %S/object.ifs -emit-merged-ifs | \
>>>> +# RUN: FileCheck %s --check-prefixes=CHECK-IFS
>>>> +
>>>> +# RUN: %clang -emit-interface-stubs -o - %s %S/object.ifs | llvm-readelf --all | \
>>>> +# RUN: FileCheck %s --check-prefixes=CHECK-ELF
>>>> +
>>>> +# RUN: %clang -emit-interface-stubs -o - %s %s -emit-merged-ifs | \
>>>> +# RUN: FileCheck %s --check-prefixes=CHECK-MERGE-IFS
>>>> +
>>>> +# CHECK-IFS: --- !experimental-ifs-v1
>>>> +# CHECK-IFS-NEXT: IfsVersion: 1.0
>>>> +# CHECK-IFS-NEXT: Triple: x86_64-linux-gnu
>>>> +# CHECK-IFS-NEXT: ObjectFileFormat: ELF
>>>> +# CHECK-IFS-NEXT: Symbols:
>>>> +# CHECK-IFS-DAG: a: { Type: Func }
>>>> +# CHECK-IFS-DAG: b: { Type: Object, Size: 4 }
>>>> +# CHECK-IFS: ...
>>>> +
>>>> +# CHECK-ELF: ELF Header:
>>>> +# CHECK-ELF: Class: ELF64
>>>> +# CHECK-ELF: Type: DYN (Shared object file)
>>>> +# CHECK-ELF: FUNC GLOBAL DEFAULT 1 a
>>>> +# CHECK-ELF: OBJECT GLOBAL DEFAULT 1 b
>>>> +
>>>> +# Here we are testing to see if two identical symbols will merge.
>>>> +# CHECK-MERGE-IFS: --- !experimental-ifs-v1
>>>> +# CHECK-MERGE-IFS-NEXT: IfsVersion: 1.0
>>>> +# CHECK-MERGE-IFS-NEXT: Triple: x86_64-linux-gnu
>>>> +# CHECK-MERGE-IFS-NEXT: ObjectFileFormat: ELF
>>>> +# CHECK-MERGE-IFS-NEXT: Symbols:
>>>> +# CHECK-MERGE-IFS-NEXT: a: { Type: Func }
>>>> +# CHECK-MERGE-IFS-NEXT: ...
>>>> +
>>>> +--- !experimental-ifs-v1
>>>> +IfsVersion: 1.0
>>>> +Triple: x86_64-linux-gnu
>>>> +ObjectFileFormat: ELF
>>>> +Symbols:
>>>> + a: { Type: Func }
>>>> +...
>>>>
>>>> Modified: cfe/trunk/test/InterfaceStubs/function-template-specialization.cpp
>>>> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/InterfaceStubs/function-template-specialization.cpp?rev=373538&r1=373537&r2=373538&view=diff
>>>> ==============================================================================
>>>> --- cfe/trunk/test/InterfaceStubs/function-template-specialization.cpp (original)
>>>> +++ cfe/trunk/test/InterfaceStubs/function-template-specialization.cpp Wed Oct 2 15:50:07 2019
>>>> @@ -1,13 +1,15 @@
>>>> // REQUIRES: x86-registered-target
>>>> -// RUN: %clang -target x86_64-unknown-linux-gnu -o - -emit-interface-stubs \
>>>> +
>>>> +// TODO: Fix the case in llvm-ifs where it crashes on an empty Symbols list.
>>>> +// RUN: %clang -target x86_64-unknown-linux-gnu -o - -emit-interface-stubs -c \
>>>> // RUN: -interface-stub-version=experimental-ifs-v1 %s | FileCheck %s
>>>>
>>>> -// RUN: %clang -target x86_64-unknown-linux-gnu -o - -emit-interface-stubs \
>>>> +// RUN: %clang -target x86_64-unknown-linux-gnu -o - -emit-interface-stubs -emit-merged-ifs \
>>>> // RUN: -interface-stub-version=experimental-ifs-v1 \
>>>> // RUN: -DUSE_TEMPLATE_FUNCTION=1 %s | \
>>>> // RUN: FileCheck -check-prefix=CHECK-USES-TEMPLATE-FUNCTION %s
>>>>
>>>> -// RUN: %clang -target x86_64-unknown-linux-gnu -o - -emit-interface-stubs \
>>>> +// RUN: %clang -target x86_64-unknown-linux-gnu -o - -emit-interface-stubs -emit-merged-ifs \
>>>> // RUN: -interface-stub-version=experimental-ifs-v1 \
>>>> // RUN: -DSPECIALIZE_TEMPLATE_FUNCTION=1 %s | \
>>>> // RUN: FileCheck -check-prefix=CHECK-SPECIALIZES-TEMPLATE-FUNCTION %s
>>>>
>>>> Modified: cfe/trunk/test/InterfaceStubs/inline.c
>>>> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/InterfaceStubs/inline.c?rev=373538&r1=373537&r2=373538&view=diff
>>>> ==============================================================================
>>>> --- cfe/trunk/test/InterfaceStubs/inline.c (original)
>>>> +++ cfe/trunk/test/InterfaceStubs/inline.c Wed Oct 2 15:50:07 2019
>>>> @@ -1,37 +1,32 @@
>>>> // REQUIRES: x86-registered-target
>>>> -// RUN: %clang -DINLINE=inline -target x86_64-unknown-linux-gnu -o - \
>>>> -// RUN: -emit-interface-stubs \
>>>> -// RUN: -interface-stub-version=experimental-ifs-v1 -std=gnu89 -xc %s | \
>>>> +// RUN: %clang -c -DINLINE=inline -target x86_64-unknown-linux-gnu -o - \
>>>> +// RUN: -emit-interface-stubs -std=gnu89 -xc %s | \
>>>> // RUN: FileCheck -check-prefix=CHECK-GNU %s
>>>> // RUN: %clang -DINLINE=inline -target x86_64-linux-gnu -O0 -o - -c \
>>>> // RUN: -std=gnu89 -xc %s | llvm-nm - | FileCheck -check-prefix=CHECK-GNU %s
>>>>
>>>> -// RUN: %clang -DINLINE="__attribute__((always_inline))" \
>>>> -// RUN: -target x86_64-unknown-linux-gnu -o - -emit-interface-stubs \
>>>> -// RUN: -interface-stub-version=experimental-ifs-v1 -xc %s | \
>>>> +// RUN: %clang -c -DINLINE="__attribute__((always_inline))" \
>>>> +// RUN: -target x86_64-unknown-linux-gnu -o - -emit-interface-stubs -xc %s | \
>>>> // RUN: FileCheck -check-prefix=CHECK-GNU %s
>>>> // RUN: %clang -DINLINE="__attribute__((always_inline))" \
>>>> // RUN: -target x86_64-linux-gnu -O0 -o - -c -xc %s | \
>>>> // RUN: llvm-nm - | FileCheck -check-prefix=CHECK-GNU %s
>>>>
>>>> -// RUN: %clang -DINLINE=inline -target x86_64-unknown-linux-gnu -o - \
>>>> -// RUN: -emit-interface-stubs \
>>>> -// RUN: -interface-stub-version=experimental-ifs-v1 -std=c99 -xc %s | \
>>>> +// RUN: %clang -c -DINLINE=inline -target x86_64-unknown-linux-gnu -o - \
>>>> +// RUN: -emit-interface-stubs -std=c99 -xc %s | \
>>>> // RUN: FileCheck -check-prefix=CHECK-STD %s
>>>> // RUN: %clang -DINLINE=inline -target x86_64-linux-gnu -O0 -o - -c -std=c99 \
>>>> // RUN: -xc %s | llvm-nm - 2>&1 | FileCheck -check-prefix=CHECK-STD %s
>>>>
>>>> -// RUN: %clang -DINLINE="__attribute__((noinline))" \
>>>> -// RUN: -target x86_64-unknown-linux-gnu -o - -emit-interface-stubs \
>>>> -// RUN: -interface-stub-version=experimental-ifs-v1 -std=c99 -xc %s | \
>>>> +// RUN: %clang -c -DINLINE="__attribute__((noinline))" \
>>>> +// RUN: -target x86_64-unknown-linux-gnu -o - -emit-interface-stubs -std=c99 -xc %s | \
>>>> // RUN: FileCheck -check-prefix=CHECK-NOINLINE %s
>>>> // RUN: %clang -DINLINE="__attribute__((noinline))" -target x86_64-linux-gnu \
>>>> // RUN: -O0 -o - -c -std=c99 -xc %s | llvm-nm - 2>&1 | \
>>>> // RUN: FileCheck -check-prefix=CHECK-NOINLINE %s
>>>>
>>>> -// RUN: %clang -DINLINE="static" -target x86_64-unknown-linux-gnu -o - \
>>>> -// RUN: -emit-interface-stubs \
>>>> -// RUN: -interface-stub-version=experimental-ifs-v1 -std=c99 -xc %s | \
>>>> +// RUN: %clang -c -DINLINE="static" -target x86_64-unknown-linux-gnu -o - \
>>>> +// RUN: -emit-interface-stubs -std=c99 -xc %s | \
>>>> // RUN: FileCheck -check-prefix=CHECK-STATIC %s
>>>> // RUN: %clang -DINLINE="static" -target x86_64-linux-gnu -O0 -o - -c \
>>>> // RUN: -std=c99 -xc %s | llvm-nm - 2>&1 | \
>>>> @@ -50,12 +45,12 @@ INLINE int foo() {
>>>> return var;
>>>> }
>>>>
>>>> -// RUN: %clang -DINLINE=inline -target x86_64-linux-gnu -o - \
>>>> -// RUN: -emit-interface-stubs -interface-stub-version=experimental-ifs-v1 \
>>>> +// RUN: %clang -c -DINLINE=inline -target x86_64-linux-gnu -o - \
>>>> +// RUN: -emit-interface-stubs \
>>>> // RUN: -std=gnu89 -xc %s | FileCheck -check-prefix=CHECK-TAPI %s
>>>>
>>>> -// RUN: %clang -DINLINE=inline -target x86_64-linux-gnu -o - \
>>>> -// RUN: -emit-interface-stubs -interface-stub-version=experimental-ifs-v1 \
>>>> +// RUN: %clang -c -DINLINE=inline -target x86_64-linux-gnu -o - \
>>>> +// RUN: -emit-interface-stubs \
>>>> // RUN: -std=gnu89 -xc %s | FileCheck -check-prefix=CHECK-SYMBOLS %s
>>>> // RUN: %clang -DINLINE=inline -target x86_64-linux-gnu -o - \
>>>> // RUN: -c -std=gnu89 -xc %s | llvm-nm - 2>&1 | \
>>>>
>>>> Added: cfe/trunk/test/InterfaceStubs/merge-conflict-test.c
>>>> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/InterfaceStubs/merge-conflict-test.c?rev=373538&view=auto
>>>> ==============================================================================
>>>> --- cfe/trunk/test/InterfaceStubs/merge-conflict-test.c (added)
>>>> +++ cfe/trunk/test/InterfaceStubs/merge-conflict-test.c Wed Oct 2 15:50:07 2019
>>>> @@ -0,0 +1,3 @@
>>>> +// RUN: not %clang -o libfoo.so -emit-interface-stubs %s %S/driver-test.c 2>&1 | FileCheck %s
>>>> +// CHECK: error: Interface Stub: Type Mismatch
>>>> +int foo;
>>>> \ No newline at end of file
>>>>
>>>> Added: cfe/trunk/test/InterfaceStubs/object-double.c
>>>> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/InterfaceStubs/object-double.c?rev=373538&view=auto
>>>> ==============================================================================
>>>> --- cfe/trunk/test/InterfaceStubs/object-double.c (added)
>>>> +++ cfe/trunk/test/InterfaceStubs/object-double.c Wed Oct 2 15:50:07 2019
>>>> @@ -0,0 +1,5 @@
>>>> +// RUN: not %clang -o - -emit-interface-stubs %s %S/object.c 2>&1 | FileCheck %s
>>>> +// Need to encode more type info or weak vs strong symbol resolution in llvm-ifs
>>>> +// XFAIL: *
>>>> +// CHECK: error: Interface Stub: Size Mismatch
>>>> +float data = 42.0;
>>>> \ No newline at end of file
>>>>
>>>> Added: cfe/trunk/test/InterfaceStubs/object-float.c
>>>> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/InterfaceStubs/object-float.c?rev=373538&view=auto
>>>> ==============================================================================
>>>> --- cfe/trunk/test/InterfaceStubs/object-float.c (added)
>>>> +++ cfe/trunk/test/InterfaceStubs/object-float.c Wed Oct 2 15:50:07 2019
>>>> @@ -0,0 +1,3 @@
>>>> +// RUN: not %clang -o - -emit-interface-stubs %s %S/object.c 2>&1 | FileCheck %s
>>>> +// CHECK: error: Interface Stub: Size Mismatch
>>>> +double data = 42.0;
>>>> \ No newline at end of file
>>>>
>>>> Added: cfe/trunk/test/InterfaceStubs/object.c
>>>> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/InterfaceStubs/object.c?rev=373538&view=auto
>>>> ==============================================================================
>>>> --- cfe/trunk/test/InterfaceStubs/object.c (added)
>>>> +++ cfe/trunk/test/InterfaceStubs/object.c Wed Oct 2 15:50:07 2019
>>>> @@ -0,0 +1,7 @@
>>>> +// RUN: %clang -c -o - -emit-interface-stubs %s | FileCheck -check-prefix=CHECK-TAPI %s
>>>> +// RUN: %clang -c -o - -emit-interface-stubs %s | FileCheck -check-prefix=CHECK-SYMBOLS %s
>>>> +// RUN: %clang -c -o - %s | llvm-nm - 2>&1 | FileCheck -check-prefix=CHECK-SYMBOLS %s
>>>> +
>>>> +// CHECK-TAPI: data: { Type: Object, Size: 4 }
>>>> +// CHECK-SYMBOLS: data
>>>> +int data = 42;
>>>>
>>>> Added: cfe/trunk/test/InterfaceStubs/object.ifs
>>>> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/InterfaceStubs/object.ifs?rev=373538&view=auto
>>>> ==============================================================================
>>>> --- cfe/trunk/test/InterfaceStubs/object.ifs (added)
>>>> +++ cfe/trunk/test/InterfaceStubs/object.ifs Wed Oct 2 15:50:07 2019
>>>> @@ -0,0 +1,28 @@
>>>> +# RUN: %clang -emit-interface-stubs -o - -emit-merged-ifs %s | \
>>>> +# RUN: FileCheck %s --check-prefixes=CHECK-IFS
>>>> +
>>>> +# RUN: %clang -emit-interface-stubs -o - %s | llvm-readelf --all | \
>>>> +# RUN: FileCheck %s --check-prefixes=CHECK-ELF
>>>> +
>>>> +# CHECK-IFS: --- !experimental-ifs-v1
>>>> +# CHECK-IFS-NEXT: IfsVersion: 1.0
>>>> +# CHECK-IFS-NEXT: Triple: x86_64-linux-gnu
>>>> +# CHECK-IFS-NEXT: ObjectFileFormat: ELF
>>>> +# CHECK-IFS-NEXT: Symbols:
>>>> +# CHECK-IFS-NEXT: b: { Type: Object, Size: 4 }
>>>> +# CHECK-IFS-NEXT: ...
>>>> +
>>>> +# CHECK-ELF: ELF Header:
>>>> +# CHECK-ELF: Class: ELF64
>>>> +# CHECK-ELF: Data: 2's complement, little endian
>>>> +# CHECK-ELF: Type: DYN (Shared object file)
>>>> +# CHECK-ELF-NOT: FUNC GLOBAL DEFAULT 1 a
>>>> +# CHECK-ELF: OBJECT GLOBAL DEFAULT 1 b
>>>> +
>>>> +--- !experimental-ifs-v1
>>>> +IfsVersion: 1.0
>>>> +Triple: x86_64-linux-gnu
>>>> +ObjectFileFormat: ELF
>>>> +Symbols:
>>>> + b: { Type: Object, Size: 4 }
>>>> +...
>>>>
>>>> Modified: cfe/trunk/test/InterfaceStubs/template-namespace-function.cpp
>>>> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/InterfaceStubs/template-namespace-function.cpp?rev=373538&r1=373537&r2=373538&view=diff
>>>> ==============================================================================
>>>> --- cfe/trunk/test/InterfaceStubs/template-namespace-function.cpp (original)
>>>> +++ cfe/trunk/test/InterfaceStubs/template-namespace-function.cpp Wed Oct 2 15:50:07 2019
>>>> @@ -1,5 +1,5 @@
>>>> // REQUIRES: x86-registered-target
>>>> -// RUN: %clang -target x86_64-unknown-linux-gnu -o - -emit-interface-stubs \
>>>> +// RUN: %clang -target x86_64-unknown-linux-gnu -o - -emit-interface-stubs -emit-merged-ifs \
>>>> // RUN: -interface-stub-version=experimental-ifs-v1 %s | \
>>>> // RUN: FileCheck %s
>>>>
>>>> Modified: cfe/trunk/test/InterfaceStubs/weak.cpp
>>>> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/InterfaceStubs/weak.cpp?rev=373538&r1=373537&r2=373538&view=diff
>>>> ==============================================================================
>>>> --- cfe/trunk/test/InterfaceStubs/weak.cpp (original)
>>>> +++ cfe/trunk/test/InterfaceStubs/weak.cpp Wed Oct 2 15:50:07 2019
>>>> @@ -1,5 +1,5 @@
>>>> // REQUIRES: x86-registered-target
>>>> -// RUN: %clang -target x86_64-linux-gnu -o - -emit-interface-stubs \
>>>> +// RUN: %clang -target x86_64-linux-gnu -o - -emit-interface-stubs -emit-merged-ifs \
>>>> // RUN: -interface-stub-version=experimental-ifs-v1 %s | \
>>>> // RUN: FileCheck %s
>>>>
>>>> Modified: cfe/trunk/test/lit.cfg.py
>>>> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/lit.cfg.py?rev=373538&r1=373537&r2=373538&view=diff
>>>> ==============================================================================
>>>> --- cfe/trunk/test/lit.cfg.py (original)
>>>> +++ cfe/trunk/test/lit.cfg.py Wed Oct 2 15:50:07 2019
>>>> @@ -26,7 +26,7 @@ config.test_format = lit.formats.ShTest(
>>>>
>>>> # suffixes: A list of file extensions to treat as test files.
>>>> config.suffixes = ['.c', '.cpp', '.cppm', '.m', '.mm', '.cu',
>>>> - '.ll', '.cl', '.s', '.S', '.modulemap', '.test', '.rs']
>>>> + '.ll', '.cl', '.s', '.S', '.modulemap', '.test', '.rs', '.ifs']
>>>>
>>>> # excludes: A list of directories to exclude from the testsuite. The 'Inputs'
>>>> # subdirectories contain auxiliary inputs for various tests in their parent
>>>> @@ -61,7 +61,7 @@ config.substitutions.append(('%PATH%', c
>>>> tool_dirs = [config.clang_tools_dir, config.llvm_tools_dir]
>>>>
>>>> tools = [
>>>> - 'c-index-test', 'clang-diff', 'clang-format', 'clang-tblgen', 'opt',
>>>> + 'c-index-test', 'clang-diff', 'clang-format', 'clang-tblgen', 'opt', 'llvm-ifs',
>>>> ToolSubst('%clang_extdef_map', command=FindTool(
>>>> 'clang-extdef-mapping'), unresolved='ignore'),
>>>> ]
>>>>
>>>> _______________________________________________
>>>> cfe-commits mailing list
>>>> cfe-commits at lists.llvm.org
>>>> https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
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