| Issue |
98152
|
| Summary |
clang-19 git fail to build ffmpeg ff_dct_unquantize_h263_neon
|
| Labels |
new issue
|
| Assignees |
|
| Reporter |
wang-bin
|
```
fatal error: error in backend: Do not know how to split the result of this operator!
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace, preprocessed source, and associated run script.
Stack dump:
0. Program arguments: clang-19 -I. -Isrc/ --sysroot=/home/user/dev/sysroot -D_ISOC11_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -DPIC -DZLIB_CONST -DHAVE_AV_CONFIG_H -DBUILDING_avcodec -Wa,--noexecstack -fdata-sections -ffunction-sections -fstack-protector-strong -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fPIE -I/home/user/dev/avbuild/tools/Vulkan-Headers/include -I=/usr/include/libdrm -Wa,--noexecstack -fdata-sections -ffunction-sections -fstack-protector-strong -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fPIE --target=arm-linux-gnueabihf -mfloat-abi=hard -std=c17 -fomit-frame-pointer -fPIC -marm -pthread -I/usr/include/libdrm -I/usr/include/alsa -Wdeclaration-after-statement -Wall -Wdisabled-optimization -Wpointer-arith -Wredundant-decls -Wwrite-strings -Wtype-limits -Wundef -Wmissing-prototypes -Wstrict-prototypes -Wempty-body -Wno-parentheses -Wno-switch -Wno-format-zero-length -Wno-pointer-sign -Wno-unused-const-variable -Wno-bool-operation -Wno-char-subscripts -Oz -fno-math-errno -fno-signed-zeros -mstack-alignment=16 -Qunused-arguments -Werror=implicit-function-declaration -Werror=missing-prototypes -Werror=return-type -MMD -MF libavcodec/neon/mpegvideo.d -MT libavcodec/neon/mpegvideo.o -c -o libavcodec/neon/mpegvideo.o src/libavcodec/neon/mpegvideo.c
1. <eof> parser at end of file
2. Code generation
3. Running pass 'Function Pass Manager' on module 'src/libavcodec/neon/mpegvideo.c'.
4. Running pass 'ARM Instruction Selection' on function '@ff_dct_unquantize_h263_neon'
Stack dump without symbol names (ensure you have llvm-symbolizer in your PATH or set the environment var `LLVM_SYMBOLIZER_PATH` to point to it):
CC libavcodec/qsv_api.o
0 libLLVM.so.19.0 0x00007cbd696b298f llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) + 63
1 libLLVM.so.19.0 0x00007cbd696b0699 llvm::sys::RunSignalHandlers() + 89
2 libLLVM.so.19.0 0x00007cbd695f9b83
3 libLLVM.so.19.0 0x00007cbd695f9b32
4 libLLVM.so.19.0 0x00007cbd696acc00 llvm::sys::Process::Exit(int, bool) + 48
5 clang-19 0x00005cf0bb2448bb
6 libLLVM.so.19.0 0x00007cbd69608f54 llvm::report_fatal_error(llvm::Twine const&, bool) + 276
7 libLLVM.so.19.0 0x00007cbd69608e3d
8 libLLVM.so.19.0 0x00007cbd69e89d25
9 libLLVM.so.19.0 0x00007cbd69e6aedf
10 libLLVM.so.19.0 0x00007cbd69e6e853 llvm::SelectionDAG::LegalizeTypes() + 1315
11 libLLVM.so.19.0 0x00007cbd69f73ec4 llvm::SelectionDAGISel::CodeGenAndEmitDAG() + 308
12 libLLVM.so.19.0 0x00007cbd69f73043 llvm::SelectionDAGISel::SelectAllBasicBlocks(llvm::Function const&) + 3283
CC libavcodec/qtrle.o
13 libLLVM.so.19.0 0x00007cbd69f7181c llvm::SelectionDAGISel::runOnMachineFunction(llvm::MachineFunction&) + 412
14 libLLVM.so.19.0 0x00007cbd6bc3b268
15 libLLVM.so.19.0 0x00007cbd69f70252 llvm::SelectionDAGISelLegacy::runOnMachineFunction(llvm::MachineFunction&) + 178
16 libLLVM.so.19.0 0x00007cbd69aab0b9 llvm::MachineFunctionPass::runOnFunction(llvm::Function&) + 617
17 libLLVM.so.19.0 0x00007cbd6980a972 llvm::FPPassManager::runOnFunction(llvm::Function&) + 786
18 libLLVM.so.19.0 0x00007cbd698104d4 llvm::FPPassManager::runOnModule(llvm::Module&) + 68
19 libLLVM.so.19.0 0x00007cbd6980b11f llvm::legacy::PassManagerImpl::run(llvm::Module&) + 1199
20 libclang-cpp.so.19.0 0x00007cbd72260ae8 clang::EmitBackendOutput(clang::DiagnosticsEngine&, clang::HeaderSearchOptions const&, clang::CodeGenOptions const&, clang::TargetOptions const&, clang::LangOptions const&, llvm::StringRef, llvm::Module*, clang::BackendAction, llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem>, std::unique_ptr<llvm::raw_pwrite_stream, std::default_delete<llvm::raw_pwrite_stream>>, clang::BackendConsumer*) + 7384
21 libclang-cpp.so.19.0 0x00007cbd725f5217 clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&) + 1607
22 libclang-cpp.so.19.0 0x00007cbd710383d9 clang::ParseAST(clang::Sema&, bool, bool) + 649
CC libavcodec/rangecoder.o
23 libclang-cpp.so.19.0 0x00007cbd731032ec clang::FrontendAction::Execute() + 92
24 libclang-cpp.so.19.0 0x00007cbd73076cf4 clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) + 996
25 libclang-cpp.so.19.0 0x00007cbd73181fbc clang::ExecuteCompilerInvocation(clang::CompilerInstance*) + 700
26 clang-19 0x00005cf0bb244461 cc1_main(llvm::ArrayRef<char const*>, char const*, void*) + 5265
27 clang-19 0x00005cf0bb241594
28 libclang-cpp.so.19.0 0x00007cbd72d06ce2
29 libLLVM.so.19.0 0x00007cbd695f9b07 llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) + 151
30 libclang-cpp.so.19.0 0x00007cbd72d06576 clang::driver::CC1Command::Execute(llvm::ArrayRef<std::optional<llvm::StringRef>>, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>>*, bool*) const + 406
31 libclang-cpp.so.19.0 0x00007cbd72ccbd29 clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const*&, bool) const + 921
32 libclang-cpp.so.19.0 0x00007cbd72ccbf9f clang::driver::Compilation::ExecuteJobs(clang::driver::JobList const&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&, bool) const + 159
33 libclang-cpp.so.19.0 0x00007cbd72ce9120 clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&) + 352
34 clang-19 0x00005cf0bb240fbb clang_main(int, char**, llvm::ToolContext const&) + 6699
35 clang-19 0x00005cf0bb24ea63 main + 131
36 libc.so.6 0x00007cbd6802a1ca
37 libc.so.6 0x00007cbd6802a28b __libc_start_main + 139
38 clang-19 0x00005cf0bb23f195 _start + 37
clang-19: error: clang frontend command failed with exit code 70 (use -v to see invocation)
Ubuntu clang version 19.0.0 (++20240709081756+ad82d1c53f08-1~exp1~20240709081915.272)
Target: arm-unknown-linux-gnueabihf
Thread model: posix
InstalledDir: /usr/lib/llvm-19/bin
CC libavcodec/ratecontrol.o
CC libavcodec/raw.o
CC libavcodec/rawdec.o
CC libavcodec/rawenc.o
CC libavcodec/refstruct.o
CC libavcodec/rl.o
CC libavcodec/rv10.o
CC libavcodec/rv30.o
clang-19: note: diagnostic msg:
********************
PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang-19: note: diagnostic msg: /tmp/mpegvideo-eb8b0c.c
clang-19: note: diagnostic msg: /tmp/mpegvideo-eb8b0c.sh
clang-19: note: diagnostic msg:
********************
CC libavcodec/rv30dsp.o
CC libavcodec/rv34.o
make: *** [/home/user/dev/avbuild/FFmpeg/ffbuild/common.mak:81: libavcodec/neon/mpegvideo.o] Error 1
make: *** Waiting for unfinished jobs....
```
[mpegvideo-eb8b0c.zip](https://github.com/user-attachments/files/16143489/mpegvideo-eb8b0c.zip)
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