Date: Thu, 11 Apr 2024 07:51:49 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 278305] clang crashes: fatal error: error in backend: Cannot select: t71: v32bf16 = insert_subvector t67, t64, Constant:i32<16> (on the port misc/ncnn) Message-ID: <bug-278305-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D278305 Bug ID: 278305 Summary: clang crashes: fatal error: error in backend: Cannot select: t71: v32bf16 =3D insert_subvector t67, t64, Constant:i32<16> (on the port misc/ncnn) Product: Base System Version: 15.0-CURRENT Hardware: i386 OS: Any Status: New Severity: Affects Many People Priority: --- Component: misc Assignee: bugs@FreeBSD.org Reporter: yuri@freebsd.org This port wasn't updated recently, but clang now crashes on 15-CURRENT i386: fatal error: error in backend: Cannot select: t71: v32bf16 =3D insert_subve= ctor t67, t64, Constant:i32<16> t67: v32bf16 =3D insert_subvector undef:v32bf16, t65, Constant:i32<0> t66: v32bf16 =3D undef t65: v16bf16 =3D X86ISD::CVTNEPS2BF16 nnan ninf nsz arcp contract afn r= eassoc t5 t5: v16f32,ch =3D load<(load (s512) from %ir.ptr.0194, align 1, !tbaa= !30)> t0, t2, undef:i32 t2: i32,ch =3D CopyFromReg t0, Register:i32 %15 t1: i32 =3D Register %15 t4: i32 =3D undef t60: i32 =3D Constant<0> t64: v16bf16 =3D X86ISD::CVTNEPS2BF16 nnan ninf nsz arcp contract afn rea= ssoc t8 t8: v16f32,ch =3D load<(load (s512) from %ir.scevgep, align 1, !tbaa !3= 0)> t0, t7, undef:i32 t7: i32 =3D add t2, Constant:i32<64> t2: i32,ch =3D CopyFromReg t0, Register:i32 %15 t1: i32 =3D Register %15 t6: i32 =3D Constant<64> t4: i32 =3D undef t70: i32 =3D Constant<16> In function: _ZN4ncnnL21cast_fp32_to_bf16_sseERKNS_3MatERS0_RKNS_6OptionE.omp_outlined PLEASE submit a bug report to https://bugs.freebsd.org/submit/ and include = the crash backtrace, preprocessed source, and associated run script. Stack dump: 0. Program arguments: /usr/bin/c++ -I/wrkdirs/usr/ports/misc/ncnn/work/ncnn-20240102/src/layer/x86 -I/wrkdirs/usr/ports/misc/ncnn/work/ncnn-20240102/src -I/wrkdirs/usr/ports/misc/ncnn/work/.build/src -I/wrkdirs/usr/ports/misc/ncnn/work/ncnn-20240102/src/layer -O2 -pipe -fstack-protector-strong -fno-strict-aliasing -O2 -pipe -fstack-protector-strong -fno-strict-aliasing -DNDEBUG -fPIC -DNCNN_STATIC_DEFINE -Wall -Wextra -Wno-unused-function -Ofast -ffast-math -fvisibility=3Dhidden -fvisibility-inlines-hidden -msse2 -msse -fopenmp=3Dl= ibomp -pthread -mavx512f -mavx512cd -mavx512bw -mavx512dq -mavx512vl -mfma -mf16c -mavx512bf16 -MD -MT src/CMakeFiles/ncnn.dir/layer/x86/cast_x86_avx512bf16.cpp.o -MF src/CMakeFiles/ncnn.dir/layer/x86/cast_x86_avx512bf16.cpp.o.d -o src/CMakeFiles/ncnn.dir/layer/x86/cast_x86_avx512bf16.cpp.o -c /wrkdirs/usr/ports/misc/ncnn/work/ncnn-20240102/src/layer/x86/cast_x86_avx5= 12bf16.cpp --=20 You are receiving this mail because: You are the assignee for the bug.=
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