[HLSL] Apply resource attributes to the resource type rather than the handle member #6
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…-attributed-resource-type
…utes Print resource_class and is_rov properties
Changes [[hlsl::resource_class]] and [[hlsl::is_rov]] declaration attributes to type attributes.
…kota/llvm-project into resource-attr-on-type2
(cherry picked from commit 214f801)
…urce-attr-on-type2
…urce-attr-on-type2 w
hekota
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Sep 3, 2024
Static destructor can race with calls to notify and trigger tsan
warning.
```
WARNING: ThreadSanitizer: data race (pid=5787)
Write of size 1 at 0x55bec9df8de8 by thread T23:
#0 pthread_mutex_destroy [third_party/llvm/llvm-project/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp:1344](third_party/llvm/llvm-project/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp?l=1344&cl=669089572):3 (be1eb158bb70fc9cf7be2db70407e512890e5c6e20720cd88c69d7d9c26ea531_0200d5f71908+0x1b12affb) (BuildId: ff25ace8b17d9863348bb1759c47246c)
#1 __libcpp_recursive_mutex_destroy [third_party/crosstool/v18/stable/src/libcxx/include/__thread/support/pthread.h:91](third_party/crosstool/v18/stable/src/libcxx/include/__thread/support/pthread.h?l=91&cl=669089572):10 (be1eb158bb70fc9cf7be2db70407e512890e5c6e20720cd88c69d7d9c26ea531_0200d5f71908+0x4523d4e9) (BuildId: ff25ace8b17d9863348bb1759c47246c)
#2 std::__tsan::recursive_mutex::~recursive_mutex() [third_party/crosstool/v18/stable/src/libcxx/src/mutex.cpp:52](third_party/crosstool/v18/stable/src/libcxx/src/mutex.cpp?l=52&cl=669089572):11 (be1eb158bb70fc9cf7be2db70407e512890e5c6e20720cd88c69d7d9c26ea531_0200d5f71908+0x4523d4e9)
#3 ~SmartMutex [third_party/llvm/llvm-project/llvm/include/llvm/Support/Mutex.h:28](third_party/llvm/llvm-project/llvm/include/llvm/Support/Mutex.h?l=28&cl=669089572):11 (be1eb158bb70fc9cf7be2db70407e512890e5c6e20720cd88c69d7d9c26ea531_0200d5f71908+0x2bcaedfe) (BuildId: ff25ace8b17d9863348bb1759c47246c)
#4 (anonymous namespace)::PerfJITEventListener::~PerfJITEventListener() [third_party/llvm/llvm-project/llvm/lib/ExecutionEngine/PerfJITEvents/PerfJITEventListener.cpp:65](third_party/llvm/llvm-project/llvm/lib/ExecutionEngine/PerfJITEvents/PerfJITEventListener.cpp?l=65&cl=669089572):3 (be1eb158bb70fc9cf7be2db70407e512890e5c6e20720cd88c69d7d9c26ea531_0200d5f71908+0x2bcaedfe)
#5 cxa_at_exit_callback_installed_at(void*) [third_party/llvm/llvm-project/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp:437](third_party/llvm/llvm-project/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp?l=437&cl=669089572):3 (be1eb158bb70fc9cf7be2db70407e512890e5c6e20720cd88c69d7d9c26ea531_0200d5f71908+0x1b172cb9) (BuildId: ff25ace8b17d9863348bb1759c47246c)
#6 llvm::JITEventListener::createPerfJITEventListener() [third_party/llvm/llvm-project/llvm/lib/ExecutionEngine/PerfJITEvents/PerfJITEventListener.cpp:496](third_party/llvm/llvm-project/llvm/lib/ExecutionEngine/PerfJITEvents/PerfJITEventListener.cpp?l=496&cl=669089572):3 (be1eb158bb70fc9cf7be2db70407e512890e5c6e20720cd88c69d7d9c26ea531_0200d5f71908+0x2bcad8f5) (BuildId: ff25ace8b17d9863348bb1759c47246c)
```
```
Previous atomic read of size 1 at 0x55bec9df8de8 by thread T192 (mutexes: write M0, write M1):
#0 pthread_mutex_unlock [third_party/llvm/llvm-project/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp:1387](third_party/llvm/llvm-project/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp?l=1387&cl=669089572):3 (be1eb158bb70fc9cf7be2db70407e512890e5c6e20720cd88c69d7d9c26ea531_0200d5f71908+0x1b12b6bb) (BuildId: ff25ace8b17d9863348bb1759c47246c)
#1 __libcpp_recursive_mutex_unlock [third_party/crosstool/v18/stable/src/libcxx/include/__thread/support/pthread.h:87](third_party/crosstool/v18/stable/src/libcxx/include/__thread/support/pthread.h?l=87&cl=669089572):10 (be1eb158bb70fc9cf7be2db70407e512890e5c6e20720cd88c69d7d9c26ea531_0200d5f71908+0x4523d589) (BuildId: ff25ace8b17d9863348bb1759c47246c)
#2 std::__tsan::recursive_mutex::unlock() [third_party/crosstool/v18/stable/src/libcxx/src/mutex.cpp:64](third_party/crosstool/v18/stable/src/libcxx/src/mutex.cpp?l=64&cl=669089572):11 (be1eb158bb70fc9cf7be2db70407e512890e5c6e20720cd88c69d7d9c26ea531_0200d5f71908+0x4523d589)
#3 unlock [third_party/llvm/llvm-project/llvm/include/llvm/Support/Mutex.h:47](third_party/llvm/llvm-project/llvm/include/llvm/Support/Mutex.h?l=47&cl=669089572):16 (be1eb158bb70fc9cf7be2db70407e512890e5c6e20720cd88c69d7d9c26ea531_0200d5f71908+0x2bcaf968) (BuildId: ff25ace8b17d9863348bb1759c47246c)
#4 ~lock_guard [third_party/crosstool/v18/stable/src/libcxx/include/__mutex/lock_guard.h:39](third_party/crosstool/v18/stable/src/libcxx/include/__mutex/lock_guard.h?l=39&cl=669089572):101 (be1eb158bb70fc9cf7be2db70407e512890e5c6e20720cd88c69d7d9c26ea531_0200d5f71908+0x2bcaf968)
#5 (anonymous namespace)::PerfJITEventListener::notifyObjectLoaded(unsigned long, llvm::object::ObjectFile const&, llvm::RuntimeDyld::LoadedObjectInfo const&) [third_party/llvm/llvm-project/llvm/lib/ExecutionEngine/PerfJITEvents/PerfJITEventListener.cpp:290](https://cs.corp.google.com/piper///depot/google3/third_party/llvm/llvm-project/llvm/lib/ExecutionEngine/PerfJITEvents/PerfJITEventListener.cpp?l=290&cl=669089572):1 (be1eb158bb70fc9cf7be2db70407e512890e5c6e20720cd88c69d7d9c26ea531_0200d5f71908+0x2bcaf968)
#6 llvm::orc::RTDyldObjectLinkingLayer::onObjEmit(llvm::orc::MaterializationResponsibility&, llvm::object::OwningBinary<llvm::object::ObjectFile>, std::__tsan::unique_ptr<llvm::RuntimeDyld::MemoryManager, std::__tsan::default_delete<llvm::RuntimeDyld::MemoryManager>>, std::__tsan::unique_ptr<llvm::RuntimeDyld::LoadedObjectInfo, std::__tsan::default_delete<llvm::RuntimeDyld::LoadedObjectInfo>>, std::__tsan::unique_ptr<llvm::DenseMap<llvm::orc::JITDylib*, llvm::DenseSet<llvm::orc::SymbolStringPtr, llvm::DenseMapInfo<llvm::orc::SymbolStringPtr, void>>, llvm::DenseMapInfo<llvm::orc::JITDylib*, void>, llvm::detail::DenseMapPair<llvm::orc::JITDylib*, llvm::DenseSet<llvm::orc::SymbolStringPtr, llvm::DenseMapInfo<llvm::orc::SymbolStringPtr, void>>>>, std::__tsan::default_delete<llvm::DenseMap<llvm::orc::JITDylib*, llvm::DenseSet<llvm::orc::SymbolStringPtr, llvm::DenseMapInfo<llvm::orc::SymbolStringPtr, void>>, llvm::DenseMapInfo<llvm::orc::JITDylib*, void>, llvm::detail::DenseMapPair<llvm::orc::JITDylib*, llvm::DenseSet<llvm::orc::SymbolStringPtr, llvm::DenseMapInfo<llvm::orc::SymbolStringPtr, void>>>>>>, llvm::Error) [third_party/llvm/llvm-project/llvm/lib/ExecutionEngine/Orc/RTDyldObjectLinkingLayer.cpp:386](https://cs.corp.google.com/piper///depot/google3/third_party/llvm/llvm-project/llvm/lib/ExecutionEngine/Orc/RTDyldObjectLinkingLayer.cpp?l=386&cl=669089572):10 (be1eb158bb70fc9cf7be2db70407e512890e5c6e20720cd88c69d7d9c26ea531_0200d5f71908+0x2bc404a8) (BuildId: ff25ace8b17d9863348bb1759c47246c)
```
hekota
pushed a commit
that referenced
this pull request
Sep 16, 2024
When SPARC Asan testing is enabled by PR llvm#107405, many Linux/sparc64 tests just hang like ``` #0 0xf7ae8e90 in syscall () from /usr/lib32/libc.so.6 #1 0x701065e8 in __sanitizer::FutexWait(__sanitizer::atomic_uint32_t*, unsigned int) () at compiler-rt/lib/sanitizer_common/sanitizer_linux.cpp:766 #2 0x70107c90 in Wait () at compiler-rt/lib/sanitizer_common/sanitizer_mutex.cpp:35 #3 0x700f7cac in Lock () at compiler-rt/lib/asan/../sanitizer_common/sanitizer_mutex.h:196 #4 Lock () at compiler-rt/lib/asan/../sanitizer_common/sanitizer_thread_registry.h:98 #5 LockThreads () at compiler-rt/lib/asan/asan_thread.cpp:489 #6 0x700e9c8c in __asan::BeforeFork() () at compiler-rt/lib/asan/asan_posix.cpp:157 llvm#7 0xf7ac83f4 in ?? () from /usr/lib32/libc.so.6 Backtrace stopped: previous frame identical to this frame (corrupt stack?) ``` It turns out that this happens in tests using `internal_fork` (e.g. invoking `llvm-symbolizer`): unlike most other Linux targets, which use `clone`, Linux/sparc64 has to use `__fork` instead. While `clone` doesn't trigger `pthread_atfork` handlers, `__fork` obviously does, causing the hang. To avoid this, this patch disables `InstallAtForkHandler` and lets the ASan tests run to completion. Tested on `sparc64-unknown-linux-gnu`.
hekota
pushed a commit
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Oct 4, 2024
…ext is not fully initialized (llvm#110481) As this comment around target initialization implies: ``` // This can be NULL if we don't know anything about the architecture or if // the target for an architecture isn't enabled in the llvm/clang that we // built ``` There are cases where we might fail to call `InitBuiltinTypes` when creating the backing `ASTContext` for a `TypeSystemClang`. If that happens, the builtins `QualType`s, e.g., `VoidPtrTy`/`IntTy`/etc., are not initialized and dereferencing them as we do in `GetBuiltinTypeForEncodingAndBitSize` (and other places) will lead to nullptr-dereferences. Example backtrace: ``` (lldb) run Assertion failed: (!isNull() && "Cannot retrieve a NULL type pointer"), function getCommonPtr, file Type.h, line 958. Process 2680 stopped * thread llvm#15, name = '<lldb.process.internal-state(pid=2712)>', stop reason = hit program assert frame #4: 0x000000010cdf3cdc liblldb.20.0.0git.dylib`DWARFASTParserClang::ExtractIntFromFormValue(lldb_private::CompilerType const&, lldb_private::plugin::dwarf::DWARFFormValue const&) const (.cold.1) + liblldb.20.0.0git.dylib`DWARFASTParserClang::ParseObjCMethod(lldb_private::ObjCLanguage::MethodName const&, lldb_private::plugin::dwarf::DWARFDIE const&, lldb_private::CompilerType, ParsedDWARFTypeAttributes , bool) (.cold.1): -> 0x10cdf3cdc <+0>: stp x29, x30, [sp, #-0x10]! 0x10cdf3ce0 <+4>: mov x29, sp 0x10cdf3ce4 <+8>: adrp x0, 545 0x10cdf3ce8 <+12>: add x0, x0, #0xa25 ; "ParseObjCMethod" Target 0: (lldb) stopped. (lldb) bt * thread llvm#15, name = '<lldb.process.internal-state(pid=2712)>', stop reason = hit program assert frame #0: 0x0000000180d08600 libsystem_kernel.dylib`__pthread_kill + 8 frame #1: 0x0000000180d40f50 libsystem_pthread.dylib`pthread_kill + 288 frame #2: 0x0000000180c4d908 libsystem_c.dylib`abort + 128 frame #3: 0x0000000180c4cc1c libsystem_c.dylib`__assert_rtn + 284 * frame #4: 0x000000010cdf3cdc liblldb.20.0.0git.dylib`DWARFASTParserClang::ExtractIntFromFormValue(lldb_private::CompilerType const&, lldb_private::plugin::dwarf::DWARFFormValue const&) const (.cold.1) + frame #5: 0x0000000109d30acc liblldb.20.0.0git.dylib`lldb_private::TypeSystemClang::GetBuiltinTypeForEncodingAndBitSize(lldb::Encoding, unsigned long) + 1188 frame #6: 0x0000000109aaaed4 liblldb.20.0.0git.dylib`DynamicLoaderMacOS::NotifyBreakpointHit(void*, lldb_private::StoppointCallbackContext*, unsigned long long, unsigned long long) + 384 ``` This patch adds a one-time user-visible warning for when we fail to initialize the AST to indicate that initialization went wrong for the given target. Additionally, we add checks for whether one of the `ASTContext` `QualType`s is invalid before dereferencing any builtin types. The warning would look as follows: ``` (lldb) target create "a.out" Current executable set to 'a.out' (arm64). (lldb) b main warning: Failed to initialize builtin ASTContext types for target 'some-unknown-triple'. Printing variables may behave unexpectedly. Breakpoint 1: where = a.out`main + 8 at stepping.cpp:5:14, address = 0x0000000100003f90 ``` rdar://134869779
hekota
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Nov 14, 2024
… depobj construct (llvm#114221) A codegen crash is occurring when a depend object was initialized with omp_all_memory in the depobj directive. llvm#114214 The root cause of issue looks to be the improper handling of the dependency list when omp_all_memory was specified. The change introduces the use of OMPTaskDataTy to manage dependencies. The buildDependences function is called to construct the dependency list, and the list is iterated over to emit and store the dependencies. Reduced Test Case : ``` #include <omp.h> int main() { omp_depend_t obj; #pragma omp depobj(obj) depend(inout: omp_all_memory) } ``` ``` #1 0x0000000003de6623 SignalHandler(int) Signals.cpp:0:0 #2 0x00007f8e4a6b990f (/lib64/libpthread.so.0+0x1690f) #3 0x00007f8e4a117d2a raise (/lib64/libc.so.6+0x4ad2a) #4 0x00007f8e4a1193e4 abort (/lib64/libc.so.6+0x4c3e4) #5 0x00007f8e4a10fc69 __assert_fail_base (/lib64/libc.so.6+0x42c69) #6 0x00007f8e4a10fcf1 __assert_fail (/lib64/libc.so.6+0x42cf1) llvm#7 0x0000000004114367 clang::CodeGen::CodeGenFunction::EmitOMPDepobjDirective(clang::OMPDepobjDirective const&) (/opt/cray/pe/cce/18.0.1/cce-clang/x86_64/bin/clang-18+0x4114367) llvm#8 0x00000000040f8fac clang::CodeGen::CodeGenFunction::EmitStmt(clang::Stmt const*, llvm::ArrayRef<clang::Attr const*>) (/opt/cray/pe/cce/18.0.1/cce-clang/x86_64/bin/clang-18+0x40f8fac) llvm#9 0x00000000040ff4fb clang::CodeGen::CodeGenFunction::EmitCompoundStmtWithoutScope(clang::CompoundStmt const&, bool, clang::CodeGen::AggValueSlot) (/opt/cray/pe/cce/18.0.1/cce-clang/x86_64/bin/clang-18+0x40ff4fb) llvm#10 0x00000000041847b2 clang::CodeGen::CodeGenFunction::EmitFunctionBody(clang::Stmt const*) (/opt/cray/pe/cce/18.0.1/cce-clang/x86_64/bin/clang-18+0x41847b2) llvm#11 0x0000000004199e4a clang::CodeGen::CodeGenFunction::GenerateCode(clang::GlobalDecl, llvm::Function*, clang::CodeGen::CGFunctionInfo const&) (/opt/cray/pe/cce/18.0.1/cce-clang/x86_64/bin/clang-18+0x4199e4a) llvm#12 0x00000000041f7b9d clang::CodeGen::CodeGenModule::EmitGlobalFunctionDefinition(clang::GlobalDecl, llvm::GlobalValue*) (/opt/cray/pe/cce/18.0.1/cce-clang/x86_64/bin/clang-18+0x41f7b9d) llvm#13 0x00000000041f16a3 clang::CodeGen::CodeGenModule::EmitGlobalDefinition(clang::GlobalDecl, llvm::GlobalValue*) (/opt/cray/pe/cce/18.0.1/cce-clang/x86_64/bin/clang-18+0x41f16a3) llvm#14 0x00000000041fd954 clang::CodeGen::CodeGenModule::EmitDeferred() (/opt/cray/pe/cce/18.0.1/cce-clang/x86_64/bin/clang-18+0x41fd954) llvm#15 0x0000000004200277 clang::CodeGen::CodeGenModule::Release() (/opt/cray/pe/cce/18.0.1/cce-clang/x86_64/bin/clang-18+0x4200277) llvm#16 0x00000000046b6a49 (anonymous namespace)::CodeGeneratorImpl::HandleTranslationUnit(clang::ASTContext&) ModuleBuilder.cpp:0:0 llvm#17 0x00000000046b4cb6 clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&) (/opt/cray/pe/cce/18.0.1/cce-clang/x86_64/bin/clang-18+0x46b4cb6) llvm#18 0x0000000006204d5c clang::ParseAST(clang::Sema&, bool, bool) (/opt/cray/pe/cce/18.0.1/cce-clang/x86_64/bin/clang-18+0x6204d5c) llvm#19 0x000000000496b278 clang::FrontendAction::Execute() (/opt/cray/pe/cce/18.0.1/cce-clang/x86_64/bin/clang-18+0x496b278) llvm#20 0x00000000048dd074 clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/opt/cray/pe/cce/18.0.1/cce-clang/x86_64/bin/clang-18+0x48dd074) llvm#21 0x0000000004a38092 clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/opt/cray/pe/cce/18.0.1/cce-clang/x86_64/bin/clang-18+0x4a38092) llvm#22 0x0000000000fd4e9c cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/opt/cray/pe/cce/18.0.1/cce-clang/x86_64/bin/clang-18+0xfd4e9c) llvm#23 0x0000000000fcca73 ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&, llvm::ToolContext const&) driver.cpp:0:0 llvm#24 0x0000000000fd140c clang_main(int, char**, llvm::ToolContext const&) (/opt/cray/pe/cce/18.0.1/cce-clang/x86_64/bin/clang-18+0xfd140c) llvm#25 0x0000000000ee2ef3 main (/opt/cray/pe/cce/18.0.1/cce-clang/x86_64/bin/clang-18+0xee2ef3) llvm#26 0x00007f8e4a10224c __libc_start_main (/lib64/libc.so.6+0x3524c) llvm#27 0x0000000000fcaae9 _start /home/abuild/rpmbuild/BUILD/glibc-2.31/csu/../sysdeps/x86_64/start.S:120:0 clang: error: unable to execute command: Aborted ``` --------- Co-authored-by: Chandra Ghale <[email protected]>
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