| // RUN: llvm-tblgen -gen-emitter -I %p/../../include %s | FileCheck %s --check-prefix=ENCODER | |
| // RUN: llvm-tblgen -gen-disassembler -I %p/../../include %s | FileCheck %s --check-prefix=DECODER | |
| include "llvm/Target/Target.td" | |
| def archInstrInfo : InstrInfo { } | |
| def arch : Target { | |
| let InstructionSet = archInstrInfo; | |
| } | |
| def Myi32 : Operand<i32> { | |
| let DecoderMethod = "DecodeMyi32"; | |
| } | |
| def HasA : Predicate<"Subtarget->hasA()">; | |
| def HasB : Predicate<"Subtarget->hasB()">; | |
| def ModeA : HwMode<[HasA]>; | |
| def ModeB : HwMode<[HasB]>; | |
| def fooTypeEncA : InstructionEncoding { | |
| let Size = 4; | |
| field bits<32> SoftFail = 0; | |
| bits<32> Inst; | |
| bits<8> factor; | |
| let Inst{7...0} = factor; | |
| let Inst{3...2} = 0b11; | |
| let Inst{1...0} = 0b00; | |
| } | |
| def fooTypeEncB : InstructionEncoding { | |
| let Size = 4; | |
| field bits<32> SoftFail = 0; | |
| bits<32> Inst; | |
| bits<8> factor; | |
| let Inst{15...8} = factor; | |
| let Inst{1...0} = 0b11; | |
| } | |
| let OutOperandList = (outs) in { | |
| def foo : Instruction { | |
| let InOperandList = (ins i32imm:$factor); | |
| let EncodingInfos = EncodingByHwMode< | |
| [ModeA, ModeB], [fooTypeEncA, | |
| fooTypeEncB] | |
| >; | |
| let AsmString = "foo $factor"; | |
| } | |
| def bar: Instruction { | |
| let InOperandList = (ins i32imm:$factor); | |
| let Size = 4; | |
| bits<32> Inst; | |
| bits<32> SoftFail; | |
| bits<8> factor; | |
| let Inst{31...24} = factor; | |
| let Inst{1...0} = 0b10; | |
| let AsmString = "bar $factor"; | |
| } | |
| def baz : Instruction { | |
| let InOperandList = (ins i32imm:$factor); | |
| bits<32> Inst; | |
| let EncodingInfos = EncodingByHwMode< | |
| [ModeB], [fooTypeEncA] | |
| >; | |
| let AsmString = "foo $factor"; | |
| } | |
| } | |
| // DECODER-LABEL: DecoderTable_ModeA32 | |
| // DECODER-DAG: decode to fooTypeEncA:foo | |
| // DECODER-DAG: decode to bar | |
| // DECODER-LABEL: DecoderTable_ModeB32 | |
| // DECODER-DAG: decode to fooTypeEncA:baz | |
| // DECODER-DAG: decode to bar | |
| // DECODER-DAG: decode to fooTypeEncB:foo | |
| // ENCODER-LABEL: static const uint64_t InstBits_ModeA[] = { | |
| // ENCODER: UINT64_C(2), // bar | |
| // ENCODER: UINT64_C(12), // foo | |
| // ENCODER-LABEL: static const uint64_t InstBits_ModeB[] = { | |
| // ENCODER: UINT64_C(2), // bar | |
| // ENCODER: UINT64_C(3), // foo | |
| // ENCODER: case ::foo: { | |
| // ENCODER: switch (HwMode) { | |
| // ENCODER: default: llvm_unreachable("Unhandled HwMode"); | |
| // ENCODER: case 1: { |