86 lines
2.4 KiB
TableGen
86 lines
2.4 KiB
TableGen
// RUN: not llvm-tblgen -gen-disassembler -I %p/../../../include %s 2>&1 | FileCheck %s --implicit-check-not=error:
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include "llvm/Target/Target.td"
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def ArchInstrInfo : InstrInfo { }
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def Arch : Target {
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let InstructionSet = ArchInstrInfo;
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}
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def Reg : Register<"reg">;
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def Regs : RegisterClass<"foo", [i32], 0, (add Reg)>;
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def complex_nodec1 : Operand<i32> {
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let MIOperandInfo = (ops Regs);
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}
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def complex_nodec2 : Operand<i32> {
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let MIOperandInfo = (ops Regs, Regs);
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}
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def complex_withdec1 : Operand<i32> {
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let MIOperandInfo = (ops Regs);
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let DecoderMethod = "DecodeComplex";
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}
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def complex_withdec2 : Operand<i32> {
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let MIOperandInfo = (ops Regs, Regs);
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let DecoderMethod = "DecodeComplex";
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}
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class ArchInstr : Instruction {
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let Size = 2;
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bits<16> Inst;
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}
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// This definition is broken in both directions:
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// 1. Uses a complex operand without a decoder, and without named sub-ops.
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// 2. Uses a complex operand with named sub-ops, but with a decoder as well.
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// CHECK: error: DecoderEmitter: operand "r1c" has non-empty MIOperandInfo, but doesn't have a custom decoder!
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// CHECK: note: Dumping record for previous error:
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// CHECK: error: DecoderEmitter: operand "r2b" has non-empty MIOperandInfo, but doesn't have a custom decoder!
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// CHECK: note: Dumping record for previous error:
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// CHECK: error: DecoderEmitter: operand "r1" has type "complex_withdec2" with a custom DecoderMethod, but also named sub-operands.
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// CHECK: error: DecoderEmitter: operand "r2" has type "complex_withdec1" with a custom DecoderMethod, but also named sub-operands.
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def foo1 : ArchInstr {
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bits<2> r1a;
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bits<2> r1b;
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bits<2> r1c;
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bits<2> r2a;
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bits<2> r2b;
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let Inst{1-0} = r1a;
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let Inst{3-2} = r1b;
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let Inst{5-4} = r1c;
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let Inst{7-6} = r2a;
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let Inst{9-8} = r2b;
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let Inst{11-10} = 0b00;
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let OutOperandList = (outs complex_nodec2:$r1c, complex_nodec1:$r2b);
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let InOperandList = (ins (complex_withdec2 $r1a, $r1b):$r1,
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(complex_withdec1 $r2a):$r2);
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}
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// This definition has no errors.
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def foo2 : ArchInstr {
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bits<2> r2a;
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bits<2> r2b;
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bits<2> r2c;
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bits<2> r1a;
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bits<2> r1b;
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let Inst{1-0} = r2a;
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let Inst{3-2} = r2b;
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let Inst{5-4} = r2c;
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let Inst{7-6} = r1a;
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let Inst{9-8} = r1b;
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let Inst{11-10} = 0b01;
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let OutOperandList = (outs complex_withdec2:$r2c, complex_withdec1:$r1b);
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let InOperandList = (ins (complex_nodec2 $r2a, $r2b):$r2,
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(complex_nodec1 $r1a):$r1);
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}
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