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[TorchToArith] Implement conversion patterns for AtenSubOp, AtenMulOp, AtenDivOp. #4396

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[TorchToArith] Implement conversion patterns for AtenSubOp, AtenMulOp, AtenDivOp. #4396

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45 changes: 29 additions & 16 deletions lib/Conversion/TorchToArith/TorchToArith.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -134,12 +134,13 @@ class ConvertAtenUnaryOpToFloatMathOp : public OpConversionPattern<AtenOp> {
} // namespace

namespace {
class ConvertAtenDivIntOp : public OpConversionPattern<AtenDivIntOp> {
template <typename AtenOp>
class ConvertAtenDivOp : public OpConversionPattern<AtenOp> {
public:
using OpConversionPattern<AtenDivIntOp>::OpConversionPattern;
using OpConversionPattern<AtenOp>::OpConversionPattern;
using OpAdaptor = typename AtenOp::Adaptor;
LogicalResult
matchAndRewrite(AtenDivIntOp op,
typename OpConversionPattern<AtenDivIntOp>::OpAdaptor adaptor,
matchAndRewrite(AtenOp op, OpAdaptor adaptor,
ConversionPatternRewriter &rewriter) const override {
Location loc = op.getLoc();
Value a = convertScalarToDtype(rewriter, loc, adaptor.getA(),
Expand Down Expand Up @@ -306,11 +307,13 @@ class ConvertAtenScalarArithOp : public OpConversionPattern<AtenOp> {
} // namespace

namespace {
class ConvertAtenAddOp : public OpConversionPattern<AtenAddOp> {
template <typename AtenOp, typename ArithFOp, typename ArithIOp>
class ConvertAtenBinaryScalarOp : public OpConversionPattern<AtenOp> {
public:
using OpConversionPattern::OpConversionPattern;
using OpConversionPattern<AtenOp>::OpConversionPattern;
using OpAdaptor = typename AtenOp::Adaptor;
LogicalResult
matchAndRewrite(AtenAddOp op, OpAdaptor adaptor,
matchAndRewrite(AtenOp op, OpAdaptor adaptor,
ConversionPatternRewriter &rewriter) const override {
Location loc = op.getLoc();
Type resultType =
Expand All @@ -320,9 +323,9 @@ class ConvertAtenAddOp : public OpConversionPattern<AtenAddOp> {
Value operandB =
convertScalarToDtype(rewriter, loc, adaptor.getB(), resultType);
if (isa<mlir::FloatType>(resultType)) {
rewriter.replaceOpWithNewOp<arith::AddFOp>(op, operandA, operandB);
rewriter.replaceOpWithNewOp<ArithFOp>(op, operandA, operandB);
} else if (isa<mlir::IntegerType>(resultType)) {
rewriter.replaceOpWithNewOp<arith::AddIOp>(op, operandA, operandB);
rewriter.replaceOpWithNewOp<ArithIOp>(op, operandA, operandB);
} else {
return rewriter.notifyMatchFailure(
op, "unimplemented: only support integer or float result type");
Expand Down Expand Up @@ -497,8 +500,17 @@ class ConvertTorchToArith
patterns.add<ConvertAtenCastOp<AtenFloatScalarOp>>(typeConverter, context);
patterns.add<ConvertAtenCastOp<AtenIntScalarOp>>(typeConverter, context);

target.addIllegalOp<AtenAddOp>();
patterns.add<ConvertAtenAddOp>(typeConverter, context);
target.addIllegalOp<AtenAddOp, AtenSubOp, AtenMulOp>();
patterns.add<
ConvertAtenBinaryScalarOp<AtenAddOp, airth::AddFOp, airth::AddIOp>>(
typeConverter, context);
patterns.add<
ConvertAtenBinaryScalarOp<AtenSubOp, airth::SubFOp, airth::SubIOp>>(
typeConverter, context);
patterns.add<
ConvertAtenBinaryScalarOp<AtenMulOp, airth::MulFOp, airth::MulIOp>>(
typeConverter, context);

target.addIllegalOp<AtenNegIntOp>();
patterns.add<ConvertAtenNegIntOp>(typeConverter, context);
target.addIllegalOp<AtenAddIntOp, AtenAddFloatIntOp, AtenSubIntOp,
Expand All @@ -523,11 +535,12 @@ class ConvertTorchToArith
typeConverter, context);
patterns.add<ConvertAtenBinaryOp<AtenMulFloatOp, arith::MulFOp>>(
typeConverter, context);
target.addIllegalOp<AtenDivIntOp>();
patterns.add<ConvertAtenDivIntOp>(typeConverter, context);
target.addIllegalOp<AtenDivFloatOp>();
patterns.add<ConvertAtenBinaryOp<AtenDivFloatOp, arith::DivFOp>>(
typeConverter, context);

target.addIllegalOp<AtenDivOp, AtenDivIntOp, AtenDivFloatOp>();
patterns.add<ConvertAtenDivOp<AtenDivOp>>(typeConverter, context);
patterns.add<ConvertAtenDivOp<AtenDivIntOp>>(typeConverter, context);
patterns.add<ConvertAtenDivOp<AtenDivFloatOp>>(typeConverter, context);

target.addIllegalOp<AtenFloordivIntOp>();
patterns.add<ConvertAtenBinaryOp<AtenFloordivIntOp, arith::FloorDivSIOp>>(
typeConverter, context);
Expand Down