Revert "[llvm][arm] add T1 and T2 assembly options for vlldm and vlstm (#83116)"

This reverts commit 634b0243b8f7acc85af4f16b70e91d86ded4dc83.

Failing EXPENSIVE_CHECKS builds with "undefined physical register".

1 files changed, 0 insertions, 23 deletions

diff --git a/llvm/lib/Target/ARM/Disassembler/ARMDisassembler.cpp b/llvm/lib/Target/ARM/Disassembler/ARMDisassembler.cpp
index 705f3cbc..604f22d 100644
--- a/llvm/lib/Target/ARM/Disassembler/ARMDisassembler.cpp
+++ b/llvm/lib/Target/ARM/Disassembler/ARMDisassembler.cpp
@@ -700,9 +700,6 @@ DecodeMVEOverlappingLongShift(MCInst &Inst, unsigned Insn, uint64_t Address,
 static DecodeStatus DecodeT2AddSubSPImm(MCInst &Inst, unsigned Insn,
                                         uint64_t Address,
                                         const MCDisassembler *Decoder);
-static DecodeStatus DecodeLazyLoadStoreMul(MCInst &Inst, unsigned Insn,
-                                           uint64_t Address,
-                                           const MCDisassembler *Decoder);
 
 #include "ARMGenDisassemblerTables.inc"
 
@@ -7033,23 +7030,3 @@ static DecodeStatus DecodeT2AddSubSPImm(MCInst &Inst, unsigned Insn,
 
   return DS;
 }
-
-static DecodeStatus DecodeLazyLoadStoreMul(MCInst &Inst, unsigned Insn,
-                                           uint64_t Address,
-                                           const MCDisassembler *Decoder) {
-  DecodeStatus S = MCDisassembler::Success;
-
-  const unsigned Rn = fieldFromInstruction(Insn, 16, 4);
-  // Adding Rn, holding memory location to save/load to/from, the only argument
-  // that is being encoded.
-  // '$Rn' in the assembly.
-  if (!Check(S, DecodeGPRRegisterClass(Inst, Rn, Address, Decoder)))
-    return MCDisassembler::Fail;
-  // An optional predicate, '$p' in the assembly.
-  DecodePredicateOperand(Inst, ARMCC::AL, Address, Decoder);
-  // An immediate that represents a floating point registers list. '$regs' in
-  // the assembly.
-  Inst.addOperand(MCOperand::createImm(0)); // Arbitrary value, has no effect.
-
-  return S;
-}