| // RUN: llvm-tblgen -gen-disassembler -I %p/../../include %s | \ |
| // RUN: FileCheck %s --check-prefix=DECODER |
| // RUN: llvm-tblgen -gen-disassembler --suppress-per-hwmode-duplicates=O2 -I \ |
| // RUN: %p/../../include %s | FileCheck %s --check-prefix=DECODER-SUPPRESS |
| |
| // Test duplicate table suppression for per-HwMode decoders. |
| |
| 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<"+a", [HasA]>; |
| def ModeB : HwMode<"+b", [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 $factor"; |
| } |
| |
| // Encoding not overridden, same namespace: |
| // In the default case, this instruction is duplicated into both ModeA and |
| // ModeB decoder tables. |
| // In the suppressed case, this instruction appears in a single decoder table. |
| def bar: Instruction { |
| let InOperandList = (ins i32imm:$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 $factor"; |
| } |
| |
| // Encoding not overridden, different namespace: |
| // In the default case, this instruction is duplicated into two Alt decoder |
| // tables (ModeA and ModeB). |
| // In the suppressed case, this instruction appears in a single decoder table. |
| def unrelated: Instruction { |
| let DecoderNamespace = "Alt"; |
| let InOperandList = (ins i32imm:$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 = "unrelated $factor"; |
| } |
| } |
| |
| // DECODER-LABEL: DecoderTableAlt_ModeA32[] = |
| // DECODER-DAG: Opcode: unrelated |
| // DECODER-LABEL: DecoderTableAlt_ModeB32[] = |
| // DECODER-DAG: Opcode: unrelated |
| // DECODER-LABEL: DecoderTable_ModeA32[] = |
| // DECODER-DAG: Opcode: fooTypeEncA:foo |
| // DECODER-DAG: Opcode: bar |
| // DECODER-LABEL: DecoderTable_ModeB32[] = |
| // DECODER-DAG: Opcode: fooTypeEncB:foo |
| // DECODER-DAG: Opcode: fooTypeEncA:baz |
| // DECODER-DAG: Opcode: bar |
| |
| // DECODER-SUPPRESS-LABEL: DecoderTable32[] = |
| // DECODER-SUPPRESS-DAG: Opcode: bar |
| // DECODER-SUPPRESS-LABEL: DecoderTableAlt32[] = |
| // DECODER-SUPPRESS-DAG: Opcode: unrelated |
| // DECODER-SUPPRESS-LABEL: DecoderTable_ModeA32[] = |
| // DECODER-SUPPRESS-DAG: Opcode: fooTypeEncA:foo |
| // DECODER-SUPPRESS-NOT: Opcode: bar |
| // DECODER-SUPPRESS-LABEL: DecoderTable_ModeB32[] = |
| // DECODER-SUPPRESS-DAG: Opcode: fooTypeEncB:foo |
| // DECODER-SUPPRESS-DAG: Opcode: fooTypeEncA:baz |
| // DECODER-SUPPRESS-NOT: Opcode: bar |