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// RUN: llvm-tblgen -gen-disassembler -I %p/../../include %s | FileCheck %s
// Test for OPC_ExtractField/OPC_CheckField with start bit > 255.
// These large start values may arise for architectures with long instruction
// words.
include "llvm/Target/Target.td"
def archInstrInfo : InstrInfo { }
def arch : Target {
let InstructionSet = archInstrInfo;
}
class TestInstruction : Instruction {
let Size = 64;
let OutOperandList = (outs);
let InOperandList = (ins);
field bits<512> Inst;
field bits<512> SoftFail = 0;
}
def InstA : TestInstruction {
let Inst{509-502} = {0,0,0,0,?,?,?,?};
let AsmString = "InstA";
}
def InstB : TestInstruction {
let Inst{509-502} = {0,0,0,0,0,0,?,?};
let AsmString = "InstB";
let DecoderMethod = "DecodeInstB";
let hasCompleteDecoder = 0;
}
// CHECK: /* 0 */ MCD::OPC_ExtractField, 250, 3, 4, // Inst{509-506} ...
// CHECK-NEXT: /* 4 */ MCD::OPC_FilterValue, 0, 19, 0, 0, // Skip to: 28
// CHECK-NEXT: /* 9 */ MCD::OPC_CheckField, 248, 3, 2, 0, 7, 0, 0, // Skip to: 24
// CHECK-NEXT: /* 17 */ MCD::OPC_TryDecode, {{[0-9]+}}, {{[0-9]+}}, 0, 0, 0, 0, // Opcode: InstB, skip to: 24
// CHECK-NEXT: /* 24 */ MCD::OPC_Decode, {{[0-9]+}}, {{[0-9]+}}, 1, // Opcode: InstA
// CHECK-NEXT: /* 28 */ MCD::OPC_Fail,
// CHECK: if (!Check(S, DecodeInstB(MI, insn, Address, Decoder))) { DecodeComplete = false; return MCDisassembler::Fail; }
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