Date: Thu, 23 May 2019 19:27:08 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 238082] system clang 8 one powerpc64 head -r347549 based system: clang asserts with "Target supports vector op, but scalar requires expansion?" for graphics/mesa-dri build Message-ID: <bug-238082-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D238082 Bug ID: 238082 Summary: system clang 8 one powerpc64 head -r347549 based system: clang asserts with "Target supports vector op, but scalar requires expansion?" for graphics/mesa-dri build Product: Base System Version: CURRENT Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: bin Assignee: bugs@FreeBSD.org Reporter: marklmi26-fbsd@yahoo.com Created attachment 204574 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D204574&action= =3Dedit /tmp/nir_constant_expressions-9b094e.c from clang's saved failure informati= on [This is from the unusual context of a powerpc64 old PowerMac) built with system clang 8 and base/binutils instead of gcc 4.2.1 based tooling.] >From a poudriere bulk build in a powerpc64 context (old PowerMac) that was built with and uses system clang 8 and base/binutils instead of the gcc 4.2.1 toolchain. I got: [09:05:56] [04] [00:14:42] Saved graphics/mesa-dri | mesa-dri-18.3.2_2 wrkd= ir to: /usr/local/poudriere/data/wrkdirs/FBSDpowerpc64-default/default/mesa-dri-18= .3.2_2.tbz [09:05:57] [04] [00:14:43] Finished graphics/mesa-dri | mesa-dri-18.3.2_2: Failed: build [09:05:59] [04] [00:14:45] Skipping x11-drivers/xf86-input-keyboard | xf86-input-keyboard-1.9.0_3: Dependent port graphics/mesa-dri | mesa-dri-18.3.2_2 failed [09:05:59] [04] [00:14:45] Skipping x11-drivers/xf86-input-mouse | xf86-input-mouse-1.9.3_2: Dependent port graphics/mesa-dri | mesa-dri-18.3.= 2_2 failed [09:05:59] [04] [00:14:45] Skipping x11-drivers/xf86-video-scfb | xf86-video-scfb-0.0.4_7: Dependent port graphics/mesa-dri | mesa-dri-18.3.2= _2 failed [09:05:59] [04] [00:14:45] Skipping x11-drivers/xf86-video-vesa | xf86-video-vesa-2.4.0_2: Dependent port graphics/mesa-dri | mesa-dri-18.3.2= _2 failed [09:05:59] [04] [00:14:45] Skipping x11/xorg-minimal | xorg-minimal-7.5.2_2: Dependent port graphics/mesa-dri | mesa-dri-18.3.2_2 failed [09:05:59] [04] [00:14:45] Skipping x11-servers/xorg-server | xorg-server-1.18.4_11,1: Dependent port graphics/mesa-dri | mesa-dri-18.3.2= _2 failed I do have a backtrace: . . . Core was generated by `/usr/bin/cc -cc1 -triple powerpc64-unknown-freebsd13= .0 -emit-obj -disable-free -'. Program terminated with signal SIGABRT, Aborted. #0 .__sys_thr_kill () at thr_kill.S:3 3 RSYSCALL(thr_kill) (gdb) bt #0 .__sys_thr_kill () at thr_kill.S:3 #1 0x00000000133072d0 in __raise (s=3D330578472) at /usr/src/lib/libc/gen/raise.c:52 #2 0x00000000132c7898 in abort () at /usr/src/lib/libc/stdlib/abort.c:79 #3 0x00000000132f6c64 in __assert (func=3D<optimized out>, file=3D<optimiz= ed out>, line=3D<optimized out>, failedexpr=3D<optimized out>) at /usr/src/lib/libc/gen/assert.c:51 #4 0x00000000130f7c18 in WidenVectorResult () at /usr/src/contrib/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp:2531 #5 0x0000000012ad91f0 in run () at /usr/src/contrib/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp:281 #6 0x0000000012adfa5c in LegalizeTypes () at /usr/src/contrib/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp:1115 #7 0x000000001297ebb4 in CodeGenAndEmitDAG () at /usr/src/contrib/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:776 #8 0x000000001297e114 in SelectBasicBlock () at /usr/src/contrib/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:669 #9 0x000000001297cbc4 in SelectAllBasicBlocks () at /usr/src/contrib/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:1784 #10 0x0000000000000000 in ?? () (gdb) up 4 #4 0x00000000130f7c18 in WidenVectorResult () at /usr/src/contrib/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp:2531 2531 assert(!TLI.isOperationLegalOrCustom(N->getOpcode(), WideVecV= T) && (gdb) list 2526 // libcalls on the undef elements. We are assuming that if the scalar op 2527 // requires expanding, then the vector op needs expanding too. 2528 EVT VT =3D N->getValueType(0); 2529 if (TLI.isOperationExpand(N->getOpcode(), VT.getScalarType())) { 2530 EVT WideVecVT =3D TLI.getTypeToTransformTo(*DAG.getContext(),= VT); 2531 assert(!TLI.isOperationLegalOrCustom(N->getOpcode(), WideVecV= T) && 2532 "Target supports vector op, but scalar requires expansion?"); 2533 Res =3D DAG.UnrollVectorOp(N, WideVecVT.getVectorNumElements(= )); 2534 break; 2535 } Unfortunately poudiere bulk tar archives of failures do not catch the /tmp/* material from: cc: error: unable to execute command: Abort trap (core dumped) cc: error: clang frontend command failed due to signal (use -v to see invocation) FreeBSD clang version 8.0.0 (tags/RELEASE_800/final 356365) (based on LLVM 8.0.0) Target: powerpc64-unknown-freebsd13.0 Thread model: posix InstalledDir: /usr/bin cc: note: diagnostic msg: PLEASE submit a bug report to https://bugs.freebsd.org/submit/ and include the crash backtrace, preproces= sed source, and associated run script. cc: note: diagnostic msg:=20 ******************** PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT: Preprocessed source(s) and associated run script(s) are located at: cc: note: diagnostic msg: /tmp/nir_constant_expressions-b77016.c cc: note: diagnostic msg: /tmp/nir_constant_expressions-b77016.sh cc: note: diagnostic msg:=20 ******************** gmake[5]: *** [Makefile:2829: nir/nir_constant_expressions.lo] Error 1 gmake[5]: *** Waiting for unfinished jobs.... gmake[5]: Leaving directory '/wrkdirs/us But I managed to repeat the from the context of the tar that poudriere bulk produced. --=20 You are receiving this mail because: You are the assignee for the bug.=
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