[Mesa-dev] [r600/sfn] Compilation error (and some warnings) - maybe to old LLVM git version, here?

[Gert Wollny]

Am Samstag, den 28.11.2020, 02:46 +0100 schrieb Dieter Nützel:
> [48/179] Compiling C++ object 
> src/gallium/drivers/r600/libr600.a.p/sfn_sfn_shader_fragment.cpp.o
> FAILED: 
> src/gallium/drivers/r600/libr600.a.p/sfn_sfn_shader_fragment.cpp.o
> ccache c++ -Isrc/gallium/drivers/r600/libr600.a.p 
> -Isrc/gallium/drivers/r600 -I../src/gallium/drivers/r600 -Isrc
> -I../src 
> -Isrc/mapi -I../src/mapi -Isrc/mesa -I../src/mesa -Iinclude
> -I../include 
> -Isrc/compiler -I../src/compiler -I../src/gallium/include 
> -Isrc/gallium/auxiliary -I../src/gallium/auxiliary -Isrc/amd/common 
> -I../src/amd/common -Isrc/gallium/drivers -I../src/gallium/drivers 
> -Isrc/compiler/nir -I../src/compiler/nir -Isrc/util -I../src/util 
> -I/usr/include/libdrm -fvisibility=hidden -fdiagnostics-color=always 
> -DNDEBUG -pipe -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch 
> -Wnon-virtual-dtor -std=c++14 -O3 -ffunction-sections -fdata-
> sections 
> '-DPACKAGE_VERSION="21.0.0-devel"' 
> '-DPACKAGE_BUGREPORT="
> https://gitlab.freedesktop.org/mesa/mesa/-/issues"' 
> -DUSE_ELF_TLS -DHAVE_ST_VDPAU -DENABLE_ST_OMX_BELLAGIO=0 
> -DENABLE_ST_OMX_TIZONIA=0 -DHAVE_X11_PLATFORM -DHAVE_XCB_PLATFORM 
> -DGLX_INDIRECT_RENDERING -DGLX_DIRECT_RENDERING -DGLX_USE_DRM 
> -DHAVE_DRM_PLATFORM -DENABLE_SHADER_CACHE -DHAVE___BUILTIN_BSWAP32 
> -DHAVE___BUILTIN_BSWAP64 -DHAVE___BUILTIN_CLZ -DHAVE___BUILTIN_CLZLL 
> -DHAVE___BUILTIN_CTZ -DHAVE___BUILTIN_EXPECT -DHAVE___BUILTIN_FFS 
> -DHAVE___BUILTIN_FFSLL -DHAVE___BUILTIN_POPCOUNT 
> -DHAVE___BUILTIN_POPCOUNTLL -DHAVE___BUILTIN_UNREACHABLE 
> -DHAVE_FUNC_ATTRIBUTE_CONST -DHAVE_FUNC_ATTRIBUTE_FLATTEN 
> -DHAVE_FUNC_ATTRIBUTE_MALLOC -DHAVE_FUNC_ATTRIBUTE_PURE 
> -DHAVE_FUNC_ATTRIBUTE_UNUSED
> -DHAVE_FUNC_ATTRIBUTE_WARN_UNUSED_RESULT 
> -DHAVE_FUNC_ATTRIBUTE_WEAK -DHAVE_FUNC_ATTRIBUTE_FORMAT 
> -DHAVE_FUNC_ATTRIBUTE_PACKED -DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL 
> -DHAVE_FUNC_ATTRIBUTE_ALIAS -DHAVE_FUNC_ATTRIBUTE_NORETURN 
> -DHAVE_FUNC_ATTRIBUTE_VISIBILITY -DHAVE_UINT128 -DUSE_SSE41 
> -DUSE_GCC_ATOMIC_BUILTINS -DUSE_X86_64_ASM -DMAJOR_IN_SYSMACROS 
> -DHAVE_LINUX_FUTEX_H -DHAVE_ENDIAN_H -DHAVE_DLFCN_H
> -DHAVE_EXECINFO_H 
> -DHAVE_SYS_SHM_H -DHAVE_CET_H -DHAVE_STRTOF -DHAVE_MKOSTEMP 
> -DHAVE_TIMESPEC_GET -DHAVE_MEMFD_CREATE -DHAVE_RANDOM_R -DHAVE_FLOCK 
> -DHAVE_STRTOK_R -DHAVE_GETRANDOM -DHAVE_PROGRAM_INVOCATION_NAME 
> -DHAVE_POSIX_MEMALIGN -DHAVE_DIRENT_D_TYPE -DHAVE_STRTOD_L
> -DHAVE_DLADDR 
> -DHAVE_DL_ITERATE_PHDR -DHAVE_ZLIB -DHAVE_ZSTD -DHAVE_PTHREAD 
> -DHAVE_PTHREAD_SETAFFINITY -DHAVE_LIBDRM -DLLVM_AVAILABLE 
> '-DMESA_LLVM_VERSION_STRING="12.0.0"' -DLLVM_IS_SHARED=1 
> -DUSE_LIBGLVND=1 -DHAVE_LIBUNWIND -DHAVE_DRI3 -DHAVE_DRI3_MODIFIERS 
> -DHAVE_LIBSENSORS=1 -Werror=return-type -Werror=empty-body 
> -Wno-non-virtual-dtor -Wno-missing-field-initializers 
> -Wno-format-truncation -fno-math-errno -fno-trapping-math 
> -flifetime-dse=1 -Werror=format -Wformat-security -fPIC -pthread 
> -D__STDC_FORMAT_MACROS -D_GNU_SOURCE -D__STDC_LIMIT_MACROS 
> -D__STDC_CONSTANT_MACROS -MD -MQ 
> src/gallium/drivers/r600/libr600.a.p/sfn_sfn_shader_fragment.cpp.o
> -MF 
> src/gallium/drivers/r600/libr600.a.p/sfn_sfn_shader_fragment.cpp.o.d
> -o 
> src/gallium/drivers/r600/libr600.a.p/sfn_sfn_shader_fragment.cpp.o
> -c 
> ../src/gallium/drivers/r600/sfn/sfn_shader_fragment.cpp
> ../src/gallium/drivers/r600/sfn/sfn_shader_fragment.cpp: In function 
> ‘unsigned int r600::barycentric_ij_index(nir_intrinsic_instr*)’:
> ../src/gallium/drivers/r600/sfn/sfn_shader_fragment.cpp:102:4:
> error: 
> control reaches end of non-void function [-Werror=return-type]
>    102 |    case INTERP_MODE_FLAT:
>        |    ^~~~
There is an "assert" there that should be an "unreachable", patch
coming up.  

Thanks for testing. 
Gert