[AArch64][SVE] LLVM ERROR: Don't know how to widen the operands for INSERT_SUBVECTOR #160134
Description
https://godbolt.org/z/b8bWsfchn
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-Fn32"
target triple = "aarch64--linux-gnueabihf"
define <vscale x 4 x float> @blur2x2(<vscale x 1 x float> %0) {
entry:
%1 = tail call <vscale x 4 x float> @llvm.vector.insert.nxv4f32.nxv1f32(<vscale x 4 x float> zeroinitializer, <vscale x 1 x float> %0, i64 0)
ret <vscale x 4 x float> %1
}
; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare <vscale x 4 x float> @llvm.vector.insert.nxv4f32.nxv1f32(<vscale x 4 x float>, <vscale x 1 x float>, i64 immarg) #0
attributes #0 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
llc -mtriple=aarch64-none-elf -mattr=+sve2
LLVM ERROR: Don't know how to widen the operands for INSERT_SUBVECTOR
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace and instructions to reproduce the bug.
Stack dump:
0. Program arguments: /opt/compiler-explorer/clang-assertions-trunk/bin/llc -o /app/output.s -x86-asm-syntax=intel -mattr=+sve2 -O2 <source>
1. Running pass 'Function Pass Manager' on module '<source>'.
2. Running pass 'AArch64 Instruction Selection' on function '@blur2x2'
#0 0x00000000040f7978 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x40f7978)
#1 0x00000000040f4824 SignalHandler(int, siginfo_t*, void*) Signals.cpp:0:0
#2 0x00007abd6aa42520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
#3 0x00007abd6aa969fc pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x969fc)
#4 0x00007abd6aa42476 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x42476)
#5 0x00007abd6aa287f3 abort (/lib/x86_64-linux-gnu/libc.so.6+0x287f3)
#6 0x00000000007b98f7 llvm::json::operator==(llvm::json::Value const&, llvm::json::Value const&) (.cold) JSON.cpp:0:0
#7 0x0000000004040a61 (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x4040a61)
#8 0x0000000003f7ce0c llvm::DAGTypeLegalizer::WidenVecOp_INSERT_SUBVECTOR(llvm::SDNode*) (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x3f7ce0c)
#9 0x0000000003f8857d llvm::DAGTypeLegalizer::WidenVectorOperand(llvm::SDNode*, unsigned int) (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x3f8857d)
#10 0x0000000003f2a4dc llvm::DAGTypeLegalizer::run() (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x3f2a4dc)
#11 0x0000000003f2b269 llvm::SelectionDAG::LegalizeTypes() (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x3f2b269)
#12 0x0000000003e901ab llvm::SelectionDAGISel::CodeGenAndEmitDAG() (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x3e901ab)
#13 0x0000000003e93f0d llvm::SelectionDAGISel::SelectAllBasicBlocks(llvm::Function const&) (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x3e93f0d)
#14 0x0000000003e954f5 llvm::SelectionDAGISel::runOnMachineFunction(llvm::MachineFunction&) (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x3e954f5)
#15 0x0000000003e80cef llvm::SelectionDAGISelLegacy::runOnMachineFunction(llvm::MachineFunction&) (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x3e80cef)
#16 0x0000000003007d29 llvm::MachineFunctionPass::runOnFunction(llvm::Function&) (.part.0) MachineFunctionPass.cpp:0:0
#17 0x0000000003643d88 llvm::FPPassManager::runOnFunction(llvm::Function&) (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x3643d88)
#18 0x0000000003643fc1 llvm::FPPassManager::runOnModule(llvm::Module&) (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x3643fc1)
#19 0x000000000364482f llvm::legacy::PassManagerImpl::run(llvm::Module&) (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x364482f)
#20 0x00000000008f030d compileModule(char**, llvm::LLVMContext&) llc.cpp:0:0
#21 0x00000000007c16de main (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x7c16de)
#22 0x00007abd6aa29d90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#23 0x00007abd6aa29e40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#24 0x00000000008e6765 _start (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x8e6765)
Program terminated with signal: SIGSEGV
Compiler returned: 139