46 lines · plain
1// RUN: llvm-tblgen -gen-disassembler -I %p/../../../include %s | FileCheck %s2 3// Test for OPC_ExtractField/OPC_CheckField with start bit > 255.4// These large start values may arise for architectures with long instruction5// words.6 7include "llvm/Target/Target.td"8 9def archInstrInfo : InstrInfo { }10 11def arch : Target {12 let InstructionSet = archInstrInfo;13}14 15class TestInstruction : Instruction {16 let Size = 64;17 let OutOperandList = (outs);18 let InOperandList = (ins);19 field bits<512> Inst;20 field bits<512> SoftFail = 0;21}22 23def InstA : TestInstruction {24 let Inst{509-502} = {0,0,0,0,?,?,?,?};25 let AsmString = "InstA";26}27 28def InstB : TestInstruction {29 let Inst{509-502} = {0,0,0,0,0,0,?,?};30 let AsmString = "InstB";31 let DecoderMethod = "DecodeInstB";32 let hasCompleteDecoder = 0;33}34 35// CHECK-LABEL: static const uint8_t DecoderTable512[20] = {36// CHECK-NEXT: OPC_CheckField, 250, 3, 4, 0, // 0: check Inst[509:506] == 0x037// CHECK-NEXT: OPC_Scope, 9, // 5: try {38// CHECK-NEXT: OPC_CheckField, 248, 3, 2, 0, // 7: check Inst[505:504] == 0x039// CHECK-NEXT: OPC_Decode, {{[0-9, ]+}}, 0, // 12: decode to InstB using decoder 040// CHECK-NEXT: // 12: } else try {41// CHECK-NEXT: OPC_Decode, {{[0-9, ]+}}, 1, // 16: decode to InstA using decoder 142// CHECK-NEXT: // 16: }43// CHECK-NEXT: };44 45// CHECK: if (!Check(S, DecodeInstB(MI, insn, Address, Decoder))) { DecodeComplete = false; return MCDisassembler::Fail; }46