[NVPTX] crash during aggregate argument lowering

[Artem-B]

https://godbolt.org/z/hPdz1zMdb

%struct.8float = type <{ <2 x i8> }>

declare i32 @callee(%struct.8float %a)

define i32 @test(%struct.8float %data) {
  %1 = call i32 @callee(%struct.8float %data)
  ret i32 %1
}

llc: /root/llvm-project/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp:7409: llvm::SDValue llvm::SelectionDAG::getNode(unsigned int, const llvm::SDLoc&, llvm::EVT, llvm::SDValue, llvm::SDValue, llvm::SDNodeFlags): Assertion `(!VT.isVector() || VT == N2.getValueType()) && "Vector shift amounts must be in the same as their first arg"' failed.
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace.
Stack dump:
0.	Program arguments: /opt/compiler-explorer/clang-assertions-trunk/bin/llc -o /app/output.s -x86-asm-syntax=intel -march=nvptx64 -mcpu=sm_20 --debug-counter=dagcombine=0 <source>
1.	Running pass 'Function Pass Manager' on module '<source>'.
2.	Running pass 'NVPTX DAG->DAG Pattern Instruction Selection' on function '@test'
 #0 0x0000000003c994f8 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x3c994f8)
 #1 0x0000000003c96efc SignalHandler(int) Signals.cpp:0:0
 #2 0x00007b2752a42520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
 #3 0x00007b2752a969fc pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x969fc)
 #4 0x00007b2752a42476 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x42476)
 #5 0x00007b2752a287f3 abort (/lib/x86_64-linux-gnu/libc.so.6+0x287f3)
 #6 0x00007b2752a2871b (/lib/x86_64-linux-gnu/libc.so.6+0x2871b)
 #7 0x00007b2752a39e96 (/lib/x86_64-linux-gnu/libc.so.6+0x39e96)
 #8 0x0000000003a0c8e7 llvm::SelectionDAG::getNode(unsigned int, llvm::SDLoc const&, llvm::EVT, llvm::SDValue, llvm::SDValue, llvm::SDNodeFlags) (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x3a0c8e7)
 #9 0x000000000195910d llvm::NVPTXTargetLowering::LowerCall(llvm::TargetLowering::CallLoweringInfo&, llvm::SmallVectorImpl<llvm::SDValue>&) const (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x195910d)
#10 0x0000000003971b99 llvm::TargetLowering::LowerCallTo(llvm::TargetLowering::CallLoweringInfo&) const (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x3971b99)
#11 0x000000000397ae0f llvm::SelectionDAGBuilder::lowerInvokable(llvm::TargetLowering::CallLoweringInfo&, llvm::BasicBlock const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x397ae0f)
#12 0x00000000039968b8 llvm::SelectionDAGBuilder::LowerCallTo(llvm::CallBase const&, llvm::SDValue, bool, bool, llvm::BasicBlock const*, llvm::TargetLowering::PtrAuthInfo const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x39968b8)
#13 0x00000000039ae6b8 llvm::SelectionDAGBuilder::visitCall(llvm::CallInst const&) (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x39ae6b8)
#14 0x00000000039c1eff llvm::SelectionDAGBuilder::visit(llvm::Instruction const&) (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x39c1eff)
#15 0x0000000003a50a0d llvm::SelectionDAGISel::SelectBasicBlock(llvm::ilist_iterator_w_bits<llvm::ilist_detail::node_options<llvm::Instruction, true, false, void, true, llvm::BasicBlock>, false, true>, llvm::ilist_iterator_w_bits<llvm::ilist_detail::node_options<llvm::Instruction, true, false, void, true, llvm::BasicBlock>, false, true>, bool&) (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x3a50a0d)
#16 0x0000000003a518b9 llvm::SelectionDAGISel::SelectAllBasicBlocks(llvm::Function const&) (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x3a518b9)
#17 0x0000000003a52b60 llvm::SelectionDAGISel::runOnMachineFunction(llvm::MachineFunction&) (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x3a52b60)
#18 0x00000000019a5493 llvm::NVPTXDAGToDAGISel::runOnMachineFunction(llvm::MachineFunction&) (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x19a5493)
#19 0x0000000003a4350f llvm::SelectionDAGISelLegacy::runOnMachineFunction(llvm::MachineFunction&) (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x3a4350f)
#20 0x0000000002bd3c69 llvm::MachineFunctionPass::runOnFunction(llvm::Function&) (.part.0) MachineFunctionPass.cpp:0:0
#21 0x00000000031dbe1f llvm::FPPassManager::runOnFunction(llvm::Function&) (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x31dbe1f)
#22 0x00000000031dc1d1 llvm::FPPassManager::runOnModule(llvm::Module&) (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x31dc1d1)
#23 0x00000000031dca71 llvm::legacy::PassManagerImpl::run(llvm::Module&) (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x31dca71)
#24 0x000000000089e3e0 compileModule(char**, llvm::LLVMContext&) llc.cpp:0:0
#25 0x0000000000787dbe main (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x787dbe)
#26 0x00007b2752a29d90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#27 0x00007b2752a29e40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#28 0x0000000000894cb5 _start (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x894cb5)
Program terminated with signal: SIGSEGV
Compiler returned: 139