| Issue |
177209
|
| Summary |
[WebAssembly] ReplaceNodeResults not implemented for this op for WebAssembly
|
| Labels |
backend:WebAssembly,
crash-on-valid,
generated by fuzzer
|
| Assignees |
|
| Reporter |
XChy
|
Reproducer: https://godbolt.org/z/sjesrYGca
Reduced testcase:
```llvm
target datalayout = "e-m:e-p:32:32-p10:8:8-p20:8:8-i64:64-i128:128-n32:64-S128-ni:1:10:20"
target triple = "wasm32-unknown-wasi"
define <128 x i1> @backsmith_pure_6(<8 x i1> %cmp.i) #0 {
entry:
%.splat = shufflevector <8 x i1> %cmp.i, <8 x i1> zeroinitializer, <128 x i32> <i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 2, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
ret <128 x i1> %.splat
}
attributes #0 = { "target-features"="+simd128" }
```
Dump:
```
ReplaceNodeResults not implemented for this op for WebAssembly!
UNREACHABLE executed at /root/llvm-project/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp:1684!
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 <source>
1. Running pass 'Function Pass Manager' on module '<source>'.
2. Running pass 'WebAssembly Instruction Selection' on function '@backsmith_pure_6'
#0 0x0000000004267098 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x4267098)
#1 0x0000000004263f74 SignalHandler(int, siginfo_t*, void*) Signals.cpp:0:0
#2 0x00007c9854a42520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
#3 0x00007c9854a969fc pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x969fc)
#4 0x00007c9854a42476 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x42476)
#5 0x00007c9854a287f3 abort (/lib/x86_64-linux-gnu/libc.so.6+0x287f3)
#6 0x00000000041ab39a (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x41ab39a)
#7 0x0000000002202e61 llvm::WebAssemblyTargetLowering::ReplaceNodeResults(llvm::SDNode*, llvm::SmallVectorImpl<llvm::SDValue>&, llvm::SelectionDAG&) const (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x2202e61)
#8 0x0000000004092d1b llvm::DAGTypeLegalizer::CustomWidenLowerNode(llvm::SDNode*, llvm::EVT) (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x4092d1b)
#9 0x00000000040efc21 llvm::DAGTypeLegalizer::WidenVectorResult(llvm::SDNode*, unsigned int) (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x40efc21)
#10 0x000000000409372b llvm::DAGTypeLegalizer::run() (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x409372b)
#11 0x0000000004094509 llvm::SelectionDAG::LegalizeTypes() (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x4094509)
#12 0x0000000003ff7d6b llvm::SelectionDAGISel::CodeGenAndEmitDAG() (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x3ff7d6b)
#13 0x0000000003ffb278 llvm::SelectionDAGISel::SelectAllBasicBlocks(llvm::Function const&) (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x3ffb278)
#14 0x0000000003ffcd9c llvm::SelectionDAGISel::runOnMachineFunction(llvm::MachineFunction&) (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x3ffcd9c)
#15 0x0000000003fe861f llvm::SelectionDAGISelLegacy::runOnMachineFunction(llvm::MachineFunction&) (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x3fe861f)
#16 0x000000000312c799 llvm::MachineFunctionPass::runOnFunction(llvm::Function&) (.part.0) MachineFunctionPass.cpp:0:0
#17 0x0000000003785216 llvm::FPPassManager::runOnFunction(llvm::Function&) (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x3785216)
#18 0x00000000037855c1 llvm::FPPassManager::runOnModule(llvm::Module&) (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x37855c1)
#19 0x0000000003785e2f llvm::legacy::PassManagerImpl::run(llvm::Module&) (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x3785e2f)
#20 0x00000000008e9c32 compileModule(char**, llvm::SmallVectorImpl<llvm::PassPlugin>&, llvm::LLVMContext&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>>&) llc.cpp:0:0
#21 0x00000000007c528c main (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x7c528c)
#22 0x00007c9854a29d90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#23 0x00007c9854a29e40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#24 0x00000000008decd5 _start (/opt/compiler-explorer/clang-assertions-trunk/bin/llc+0x8decd5)
Program terminated with signal: SIGSEGV
Compiler returned: 139
```
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