45 lines
1.3 KiB
TableGen
45 lines
1.3 KiB
TableGen
// RUN: llvm-tblgen -gen-disassembler -I %p/../../include %s | FileCheck %s
|
|
|
|
include "llvm/Target/Target.td"
|
|
|
|
def archInstrInfo : InstrInfo { }
|
|
|
|
def arch : Target {
|
|
let InstructionSet = archInstrInfo;
|
|
}
|
|
|
|
class TestInstruction : Instruction {
|
|
let Size = 1;
|
|
let OutOperandList = (outs);
|
|
let InOperandList = (ins);
|
|
field bits<8> Inst;
|
|
field bits<8> SoftFail = 0;
|
|
}
|
|
|
|
def InstA : TestInstruction {
|
|
let Inst = {0,0,0,0,?,?,?,?};
|
|
let AsmString = "InstA";
|
|
}
|
|
|
|
def InstBOp : Operand<i32> {
|
|
let DecoderMethod = "DecodeInstBOp";
|
|
let hasCompleteDecoder = 0;
|
|
}
|
|
|
|
def InstB : TestInstruction {
|
|
bits<2> op;
|
|
let Inst{7...2} = {0,0,0,0,0,0};
|
|
let Inst{1...0} = op;
|
|
let OutOperandList = (outs InstBOp:$op);
|
|
let AsmString = "InstB";
|
|
}
|
|
|
|
// CHECK: /* 0 */ MCD::OPC_ExtractField, 4, 4, // Inst{7-4} ...
|
|
// CHECK-NEXT: /* 3 */ MCD::OPC_FilterValue, 0, 18, 0, 0, // Skip to: 26
|
|
// CHECK-NEXT: /* 8 */ MCD::OPC_CheckField, 2, 2, 0, 7, 0, 0, // Skip to: 22
|
|
// CHECK-NEXT: /* 15 */ MCD::OPC_TryDecode, {{[0-9]+}}, 1, 0, 0, 0, 0, // Opcode: InstB, skip to: 22
|
|
// CHECK-NEXT: /* 22 */ MCD::OPC_Decode, {{[0-9]+}}, 1, 1, // Opcode: InstA
|
|
// CHECK-NEXT: /* 26 */ MCD::OPC_Fail,
|
|
|
|
// CHECK: if (DecodeInstBOp(MI, tmp, Address, Decoder) == MCDisassembler::Fail) { DecodeComplete = false; return MCDisassembler::Fail; }
|