ninja: Entering directory `out/gn'
[0/1] Regenerating ninja files
[1/1662] ACTION //llvm/lib/Target/Mips/Disassembler:MipsGenDisassemblerTables(//llvm/utils/gn/build/toolchain:unix)
FAILED: gen/llvm/lib/Target/Mips/Disassembler/MipsGenDisassemblerTables.inc 
python3 ../../llvm/utils/gn/build/run_built_binary.py bin/llvm-tblgen --write-if-changed -I ../../llvm/include -I ../../llvm/lib/Target/Mips -d gen/llvm/lib/Target/Mips/Disassembler/MipsGenDisassemblerTables.inc.d -o gen/llvm/lib/Target/Mips/Disassembler/MipsGenDisassemblerTables.inc ../../llvm/lib/Target/Mips/Mips.td -gen-disassembler
Included from ../../llvm/lib/Target/Mips/Mips.td:221:
Included from ../../llvm/lib/Target/Mips/MipsInstrInfo.td:3388:
../../llvm/lib/Target/Mips/Mips16InstrInfo.td:778:5: error: could not find field for operand 'rs'
def JrcRx16: FRR16_JALRC_ins<1, 1, 0, "jrc", IIM16Alu> {
    ^
Included from ../../llvm/lib/Target/Mips/Mips.td:221:
Included from ../../llvm/lib/Target/Mips/MipsInstrInfo.td:3388:
../../llvm/lib/Target/Mips/Mips16InstrInfo.td:857:5: error: could not find field for operand 'size'
def LwRxPcTcp16: FRI16_TCP_ins<0b10110, "lw", II_LW>, MayLoad;
    ^
Included from ../../llvm/lib/Target/Mips/Mips.td:221:
Included from ../../llvm/lib/Target/Mips/MipsInstrInfo.td:3388:
../../llvm/lib/Target/Mips/Mips16InstrInfo.td:859:5: error: could not find field for operand 'size'
def LwRxPcTcpX16: FEXT_RI16_TCP_ins<0b10110, "lw", II_LW>, MayLoad;
    ^
Included from ../../llvm/lib/Target/Mips/Mips.td:221:
Included from ../../llvm/lib/Target/Mips/MipsInstrInfo.td:3408:
../../llvm/lib/Target/Mips/MicroMipsInstrInfo.td:1132:7: error: could not find field for operand 'sel'
  def RDHWR_MM : MMRel, R6MMR6Rel, ReadHardware<GPR32Opnd, HWRegsOpnd>,
      ^
Assertion failed: (!OpInfo.Decoder.empty()), function emitBinaryParser, file DecoderEmitter.cpp, line 1129.
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace.
Stack dump:
0.	Program arguments: ./bin/llvm-tblgen --write-if-changed -I ../../llvm/include -I ../../llvm/lib/Target/Mips -d gen/llvm/lib/Target/Mips/Disassembler/MipsGenDisassemblerTables.inc.d -o gen/llvm/lib/Target/Mips/Disassembler/MipsGenDisassemblerTables.inc ../../llvm/lib/Target/Mips/Mips.td -gen-disassembler
[2/1662] CXX obj/llvm/tools/llvm-exegesis/lib/RISCV/RISCV.RISCVExegesisPreprocessing.o
[3/1662] CXX obj/llvm/lib/Target/RISCV/LLVMRISCVCodeGen.RISCVDeadRegisterDefinitions.o
[4/1662] CXX obj/llvm/lib/Target/RISCV/LLVMRISCVCodeGen.RISCVCallingConv.o
[5/1662] CXX obj/llvm/lib/Target/RISCV/LLVMRISCVCodeGen.RISCVExpandAtomicPseudoInsts.o
[6/1662] CXX obj/llvm/lib/Target/RISCV/LLVMRISCVCodeGen.RISCVFoldMemOffset.o
[7/1662] CXX obj/llvm/lib/Target/RISCV/LLVMRISCVCodeGen.RISCVExpandPseudoInsts.o
[8/1662] CXX obj/llvm/lib/Target/RISCV/LLVMRISCVCodeGen.RISCVCodeGenPrepare.o
[9/1662] CXX obj/llvm/tools/llvm-exegesis/lib/RISCV/RISCV.Target.o
[10/1662] CXX obj/llvm/lib/Transforms/Scalar/Scalar.SimpleLoopUnswitch.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.