64 lines
1.7 KiB
TableGen
64 lines
1.7 KiB
TableGen
|
// RUN: not llvm-tblgen -gen-disassembler -I %p/../../../include %s 2>&1 | FileCheck %s --implicit-check-not=error:
|
||
|
|
|
||
|
|
include "llvm/Target/Target.td"
|
||
|
|
|
||
|
|
def ArchInstrInfo : InstrInfo { }
|
||
|
|
|
||
|
|
def Arch : Target {
|
||
|
|
let InstructionSet = ArchInstrInfo;
|
||
|
|
}
|
||
|
|
|
||
|
|
def Reg : Register<"reg">;
|
||
|
|
|
||
|
|
def Regs : RegisterClass<"foo", [i32], 0, (add Reg)>;
|
||
|
|
|
||
|
|
def complex_nodec : Operand<i32> {
|
||
|
|
let MIOperandInfo = (ops Regs, Regs);
|
||
|
|
}
|
||
|
|
|
||
|
|
def complex_withdec : Operand<i32> {
|
||
|
|
let MIOperandInfo = (ops Regs, Regs);
|
||
|
|
let DecoderMethod = "DecodeComplex";
|
||
|
|
}
|
||
|
|
|
||
|
|
class ArchInstr : Instruction {
|
||
|
|
let Size = 1;
|
||
|
|
bits<8> Inst;
|
||
|
|
}
|
||
|
|
|
||
|
|
// This definition is broken in both directions:
|
||
|
|
// 1. Uses a complex operand without a decoder, and without named sub-ops.
|
||
|
|
// 2. Uses a complex operand with named sub-ops, but with a decoder as well.
|
||
|
|
|
||
|
|
// CHECK: error: DecoderEmitter: operand "r1c" uses MIOperandInfo with multiple ops, but doesn't have a custom decoder!
|
||
|
|
// CHECK: note: Dumping record for previous error:
|
||
|
|
// CHECK: error: DecoderEmitter: operand "r1ab" has type "complex_withdec" with a custom DecoderMethod, but also named sub-operands.
|
||
|
|
def foo1 : ArchInstr {
|
||
|
|
bits<2> r1a;
|
||
|
|
bits<2> r1b;
|
||
|
|
bits<2> r1c;
|
||
|
|
|
||
|
|
let Inst{1-0} = r1a;
|
||
|
|
let Inst{3-2} = r1b;
|
||
|
|
let Inst{5-4} = r1c;
|
||
|
|
let Inst{7-6} = 0b00;
|
||
|
|
|
||
|
|
let OutOperandList = (outs complex_nodec:$r1c);
|
||
|
|
let InOperandList = (ins (complex_withdec $r1a, $r1b):$r1ab);
|
||
|
|
}
|
||
|
|
|
||
|
|
// This definition has no errors.
|
||
|
|
def foo2 : ArchInstr {
|
||
|
|
bits<2> r2a;
|
||
|
|
bits<2> r2b;
|
||
|
|
bits<2> r2c;
|
||
|
|
|
||
|
|
let Inst{1-0} = r2a;
|
||
|
|
let Inst{3-2} = r2b;
|
||
|
|
let Inst{5-4} = r2c;
|
||
|
|
let Inst{7-6} = 0b01;
|
||
|
|
|
||
|
|
let OutOperandList = (outs complex_withdec:$r2c);
|
||
|
|
let InOperandList = (ins (complex_nodec $r2a, $r2b):$r2ab);
|
||
|
|
}
|