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This adds Yosys integration
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| //===- ExportRTLIL.h - Export core dialects to Yosys RTLIL --===-*- C++ -*-===// | ||
| // | ||
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | ||
| // See https://llvm.org/LICENSE.txt for license information. | ||
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | ||
| // | ||
| //===----------------------------------------------------------------------===// | ||
| // | ||
| // This file declares passes which lower core dialects to RTLIL in-memory IR. | ||
| // | ||
| //===----------------------------------------------------------------------===// | ||
|
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| #ifndef CIRCT_CONVERSION_EXPORTRTLIL_H | ||
| #define CIRCT_CONVERSION_EXPORTRTLIL_H | ||
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| #include "circt/Support/LLVM.h" | ||
| #include <memory> | ||
| #include <string> | ||
| #include "llvm/ADT/ArrayRef.h" | ||
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| namespace mlir { | ||
| class Pass; | ||
| } // namespace mlir | ||
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| namespace circt { | ||
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| #define GEN_PASS_DECL_EXPORTYOSYS | ||
| #define GEN_PASS_DECL_EXPORTYOSYSPARALLEL | ||
| #include "circt/Conversion/Passes.h.inc" | ||
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| std::unique_ptr<mlir::Pass> createYosysOptimizer(); | ||
| std::unique_ptr<mlir::Pass> createYosysOptimizerParallel(); | ||
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| /// Register the `(import|export)-rtlil` MLIR translation. | ||
| void registerRTLILImport(); | ||
| void registerRTLILExport(); | ||
| void registerRTLILTranslation(); | ||
|
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| } // namespace circt | ||
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| #endif // CIRCT_CONVERSION_EXPORTRTLIL_H |
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| //===- SeqVisitors.h - Seq Dialect Visitors ---------------------*- C++ -*-===// | ||
| // | ||
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | ||
| // See https://llvm.org/LICENSE.txt for license information. | ||
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | ||
| // | ||
| //===----------------------------------------------------------------------===// | ||
| // | ||
| // This file defines visitors for Seq dialect operations. | ||
| // | ||
| //===----------------------------------------------------------------------===// | ||
|
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| #ifndef CIRCT_DIALECT_SEQ_SEQVISITORS_H | ||
| #define CIRCT_DIALECT_SEQ_SEQVISITORS_H | ||
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| #include "circt/Dialect/Seq/SeqOps.h" | ||
| #include "llvm/ADT/TypeSwitch.h" | ||
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| namespace circt { | ||
| namespace seq { | ||
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| /// This helps visit TypeOp nodes. | ||
| template <typename ConcreteType, typename ResultType = void, | ||
| typename... ExtraArgs> | ||
| class SeqOpVisitor { | ||
| public: | ||
| ResultType dispatchSeqOpVisitor(Operation *op, ExtraArgs... args) { | ||
| auto *thisCast = static_cast<ConcreteType *>(this); | ||
| return TypeSwitch<Operation *, ResultType>(op) | ||
| .template Case< | ||
| // Registers. | ||
| CompRegOp, CompRegClockEnabledOp, ShiftRegOp, FirRegOp, FIFOOp, | ||
| // Memories. | ||
| HLMemOp, ReadPortOp, WritePortOp, FirMemOp, FirMemReadOp, | ||
| FirMemWriteOp, FirMemReadWriteOp, | ||
| // Clock. | ||
| ClockGateOp, ClockMuxOp, ClockDividerOp, ClockInverterOp, | ||
| ConstClockOp, ToClockOp, FromClockOp>([&](auto expr) -> ResultType { | ||
| return thisCast->visitSeq(expr, args...); | ||
| }) | ||
| .Default([&](auto expr) -> ResultType { | ||
| return thisCast->visitInvalidSeqOp(op, args...); | ||
| }); | ||
| } | ||
|
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| /// This callback is invoked on any non-expression operations. | ||
| ResultType visitInvalidSeqOp(Operation *op, ExtraArgs... args) { | ||
| op->emitOpError("unknown seq op"); | ||
| abort(); | ||
| } | ||
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| /// This callback is invoked on any combinational operations that are not | ||
| /// handled by the concrete visitor. | ||
| ResultType visitUnhandledSeqOp(Operation *op, ExtraArgs... args) { | ||
| return ResultType(); | ||
| } | ||
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| #define HANDLE(OPTYPE, OPKIND) \ | ||
| ResultType visitSeq(OPTYPE op, ExtraArgs... args) { \ | ||
| return static_cast<ConcreteType *>(this)->visit##OPKIND##SeqOp(op, \ | ||
| args...); \ | ||
| } | ||
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| // Registers. | ||
| HANDLE(CompRegOp, Unhandled); | ||
| HANDLE(CompRegClockEnabledOp, Unhandled); | ||
| HANDLE(ShiftRegOp, Unhandled); | ||
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| HANDLE(FirRegOp, Unhandled); | ||
| HANDLE(FIFOOp, Unhandled); | ||
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| // Memories. | ||
| HANDLE(HLMemOp, Unhandled); | ||
| HANDLE(ReadPortOp, Unhandled); | ||
| HANDLE(WritePortOp, Unhandled); | ||
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| // FIRRTL memory ops. | ||
| HANDLE(FirMemOp, Unhandled); | ||
| HANDLE(FirMemReadOp, Unhandled); | ||
| HANDLE(FirMemWriteOp, Unhandled); | ||
| HANDLE(FirMemReadWriteOp, Unhandled); | ||
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| // Clock gate. | ||
| HANDLE(ClockGateOp, Unhandled); | ||
| HANDLE(ClockMuxOp, Unhandled); | ||
| HANDLE(ClockDividerOp, Unhandled); | ||
| HANDLE(ClockInverterOp, Unhandled); | ||
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| // Tied-off clock | ||
| HANDLE(ConstClockOp, Unhandled); | ||
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| // Clock casts. | ||
| HANDLE(ToClockOp, Unhandled); | ||
| HANDLE(FromClockOp, Unhandled); | ||
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| #undef HANDLE | ||
| }; | ||
|
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| } // namespace seq | ||
| } // namespace circt | ||
|
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| #endif // CIRCT_DIALECT_SEQ_SEQVISITORS_H |
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| @@ -0,0 +1,84 @@ | ||
| // REQUIRES: yosys-integration | ||
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| // RUN: circt-translate --export-rtlil %s | circt-translate --import-rtlil | circt-opt -canonicalize | FileCheck %s | ||
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| // CHECK-LABEL: hw.module @Arith(in %in1 : i2, in %in2 : i2, in %in3 : i2, out add : i2, out sub : i2, out mul : i2, out and : i2, out or : i2, out xor : i2) | ||
| hw.module @Arith(in %in1 : i2, in %in2 : i2, in %in3: i2, out add : i2, out sub: i2, out mul: i2, out and: i2, out or: i2, out xor: i2 ) { | ||
| %0 = comb.add %in1, %in2, %in3: i2 | ||
| %1 = comb.sub %in1, %in2: i2 | ||
| %2 = comb.mul %in1, %in2, %in3: i2 | ||
| %3 = comb.and %in1, %in2, %in3: i2 | ||
| %4 = comb.or %in1, %in2, %in3: i2 | ||
| %5 = comb.xor %in1, %in2, %in3: i2 | ||
| // CHECK-NEXT: %0 = comb.add %in1, %in2, %in3 : i2 | ||
| // CHECK-NEXT: %1 = comb.sub %in1, %in2 : i2 | ||
| // CHECK-NEXT: %2 = comb.mul %in1, %in2, %in3 : i2 | ||
| // CHECK-NEXT: %3 = comb.and %in1, %in2, %in3 : i2 | ||
| // CHECK-NEXT: %4 = comb.or %in1, %in2, %in3 : i2 | ||
| // CHECK-NEXT: %5 = comb.xor %in1, %in2, %in3 : i2 | ||
| // CHECK-NEXT: hw.output %0, %1, %2, %3, %4, %5 : i2, i2, i2, i2, i2, i2 | ||
| hw.output %0, %1, %2, %3, %4, %5 : i2, i2, i2, i2, i2, i2 | ||
| } | ||
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| // CHECK-LABEL: hw.module @ICmp(in %a : i2, in %b : i2, out eq : i1, out ne : i1, out slt : i1, out sle : i1, out sgt : i1, out sge : i1, out ult : i1, out ule : i1, out ugt : i1, out uge : i1) | ||
| hw.module @ICmp(in %a : i2, in %b : i2, out eq : i1, | ||
| out ne: i1, out slt: i1, out sle: i1, out sgt: i1, out sge: i1, | ||
| out ult: i1, out ule: i1, out ugt: i1, out uge: i1 | ||
| ) { | ||
| %eq = comb.icmp eq %a, %b : i2 | ||
| %ne = comb.icmp ne %a, %b : i2 | ||
| %slt = comb.icmp slt %a, %b : i2 | ||
| %sle = comb.icmp sle %a, %b : i2 | ||
| %sgt = comb.icmp sgt %a, %b : i2 | ||
| %sge = comb.icmp sge %a, %b : i2 | ||
| %ult = comb.icmp ult %a, %b : i2 | ||
| %ule = comb.icmp ule %a, %b : i2 | ||
| %ugt = comb.icmp ugt %a, %b : i2 | ||
| %uge = comb.icmp uge %a, %b : i2 | ||
| // CHECK-NEXT: %0 = comb.icmp eq %a, %b : i2 | ||
| // CHECK-NEXT: %1 = comb.icmp ne %a, %b : i2 | ||
| // CHECK-NEXT: %2 = comb.icmp slt %a, %b : i2 | ||
| // CHECK-NEXT: %3 = comb.icmp sle %a, %b : i2 | ||
| // CHECK-NEXT: %4 = comb.icmp sgt %a, %b : i2 | ||
| // CHECK-NEXT: %5 = comb.icmp sge %a, %b : i2 | ||
| // CHECK-NEXT: %6 = comb.icmp ult %a, %b : i2 | ||
| // CHECK-NEXT: %7 = comb.icmp ule %a, %b : i2 | ||
| // CHECK-NEXT: %8 = comb.icmp ugt %a, %b : i2 | ||
| // CHECK-NEXT: %9 = comb.icmp uge %a, %b : i2 | ||
| // CHECK-NEXT: hw.output %0, %1, %2, %3, %4, %5, %6, %7, %8, %9 : i1, i1, i1, i1, i1, i1, i1, i1, i1, i1 | ||
| hw.output %eq, %ne, %slt, %sle, %sgt, %sge, %ult, %ule, %ugt, %uge : i1, i1, i1, i1, i1, i1, i1, i1, i1, i1 | ||
| } | ||
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| // CHECK-LABEL: hw.module @counter(in %clk : i1, out o : i8) | ||
| hw.module @counter(in %clk: i1, out o: i8) { | ||
| // CHECK-NEXT: %c1_i8 = hw.constant 1 : i8 | ||
| // CHECK-NEXT: %0 = seq.to_clock %clk | ||
| // CHECK-NEXT: %reg = seq.compreg %1, %0 : i8 | ||
| // CHECK-NEXT: %1 = comb.add %reg, %c1_i8 : i8 | ||
| // CHECK-NEXT: hw.output %reg : i8 | ||
| %seq_clk = seq.to_clock %clk | ||
| %reg = seq.compreg %added, %seq_clk : i8 | ||
| %one = hw.constant 1 : i8 | ||
| %added = comb.add %reg, %one : i8 | ||
| hw.output %reg : i8 | ||
| } | ||
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| // CHECK-LABEL: hw.module @misc(in %cond : i1, in %in1 : i2, in %in2 : i2, in %in3 : i5, out mux : i2, out extract : i2, out concat : i9, out replicate : i6, out shl : i5, out parity : i1) | ||
| hw.module @misc(in %cond:i1, in %in1 : i2, in %in2 : i2, in %in3: i5, | ||
| out mux : i2, out extract: i2, out concat: i9, out replicate: i6, out shl: i5, out parity: i1 ) { | ||
| // CHECK-NEXT: %0 = comb.extract %in3 from 3 : (i5) -> i2 | ||
| // CHECK-NEXT: %1 = comb.concat %in1, %in2, %in3 : i2, i2, i5 | ||
| // CHECK-NEXT: %2 = comb.replicate %in1 : (i2) -> i6 | ||
| // CHECK-NEXT: %3 = comb.mux %cond, %in1, %in2 : i2 | ||
| // CHECK-NEXT: %4 = comb.shl %in3, %in3 : i5 | ||
| // CHECK-NEXT: %5 = comb.parity %in3 : i5 | ||
| // CHECK-NEXT: hw.output %3, %0, %1, %2, %4, %5 : i2, i2, i9, i6, i5, i1 | ||
| %mux = comb.mux %cond, %in1, %in2 : i2 | ||
| %extract = comb.extract %in3 from 3 : (i5) -> i2 | ||
| %concat = comb.concat %in1, %in2, %in3 : i2, i2, i5 | ||
| %replicate = comb.replicate %in1 : (i2) -> i6 | ||
| %shl = comb.shl %in3, %in3 : i5 | ||
| %partiy = comb.parity %in3 : i5 | ||
| hw.output %mux, %extract, %concat, %replicate, %shl, %partiy: i2, i2, i9, i6, i5, i1 | ||
| } |
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| @@ -0,0 +1,60 @@ | ||
| // REQUIRES: libz3 | ||
| // REQUIRES: circt-lec-jit | ||
| // REQUIRES: yosys-integration | ||
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| // Run synthesis and check the LEC. | ||
| // RUN: circt-opt --pass-pipeline='builtin.module(yosys-optimizer{passes=synth},canonicalize)' -o %t.mlir %s | ||
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| // RUN: circt-lec %s %t.mlir -c1=Arith -c2=Arith --shared-libs=%libz3 | FileCheck %s --check-prefix=COMB | ||
| // COMB: c1 == c2 | ||
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| hw.module @Arith(in %in1 : i2, in %in2 : i2, out add : i2, out sub: i2, out mul: i2, out and: i2, out or: i2, out xor: i2 ) { | ||
| %0 = comb.add %in1, %in2: i2 | ||
| %1 = comb.sub %in1, %in2: i2 | ||
| %2 = comb.mul %in1, %in2: i2 | ||
| %3 = comb.and %in1, %in2: i2 | ||
| %4 = comb.or %in1, %in2: i2 | ||
| %5 = comb.xor %in1, %in2: i2 | ||
| hw.output %0, %1, %2, %3, %4, %5 : i2, i2, i2, i2, i2, i2 | ||
| } | ||
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| // RUN: circt-lec %s %t.mlir -c1=ICmp -c2=ICmp --shared-libs=%libz3 | FileCheck %s --check-prefix=ICMP | ||
| // ICMP: c1 == c2 | ||
| hw.module @ICmp(in %a : i2, in %b : i2, out eq : i1, | ||
| out ne: i1, out slt: i1, out sle: i1, out sgt: i1, out sge: i1, | ||
| out ult: i1, out ule: i1, out ugt: i1, out uge: i1 | ||
| ) { | ||
| %eq = comb.icmp eq %a, %b : i2 | ||
| %ne = comb.icmp ne %a, %b : i2 | ||
| %slt = comb.icmp slt %a, %b : i2 | ||
| %sle = comb.icmp sle %a, %b : i2 | ||
| %sgt = comb.icmp sgt %a, %b : i2 | ||
| %sge = comb.icmp sge %a, %b : i2 | ||
| %ult = comb.icmp ult %a, %b : i2 | ||
| %ule = comb.icmp ule %a, %b : i2 | ||
| %ugt = comb.icmp ugt %a, %b : i2 | ||
| %uge = comb.icmp uge %a, %b : i2 | ||
| hw.output %eq, %ne, %slt, %sle, %sgt, %sge, %ult, %ule, %ugt, %uge : i1, i1, i1, i1, i1, i1, i1, i1, i1, i1 | ||
| } | ||
|
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| // RUN: circt-lec %s %t.mlir -c1=misc -c2=misc --shared-libs=%libz3 | FileCheck %s --check-prefix=MISC | ||
| // MISC: c1 == c2 | ||
| hw.module @misc(in %cond:i1, in %in1 : i2, in %in2 : i2, in %in3: i5, | ||
| out mux : i2, out extract: i2, out concat: i9, out replicate: i6, out shl: i5, out parity: i1 ) { | ||
| %mux = comb.mux %cond, %in1, %in2 : i2 | ||
| %extract = comb.extract %in3 from 3 : (i5) -> i2 | ||
| %concat = comb.concat %in1, %in2, %in3 : i2, i2, i5 | ||
| %replicate = comb.replicate %in1 : (i2) -> i6 | ||
| %shl = comb.shl %in3, %in3 : i5 | ||
| %partiy = comb.parity %in3 : i5 | ||
| hw.output %mux, %extract, %concat, %replicate, %shl, %partiy: i2, i2, i9, i6, i5, i1 | ||
| } | ||
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| // These are incorrectly lowered now(LEC failure). | ||
| // * comb.shrs | ||
| // * hw.array_create + hw.array_get | ||
| // hw.module @MultibitMux(in %a_0 : i1, in %a_1 : i1, in %a_2 : i1, in %sel : i2, out b : i1) { | ||
| // %0 = hw.array_create %a_0, %a_2, %a_1, %a_0 : i1 | ||
| // %1 = hw.array_get %0[%sel] : !hw.array<4xi1>, i2 | ||
| // hw.output %1 : i1 | ||
| // } |
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