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[mlir][TosaToLinalg] RescaleConverter only support integer type #114239

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Merged
merged 1 commit into from
Oct 31, 2024
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[mlir][TosaToLinalg] RescaleConverter only support integer type #114239

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3 changes: 3 additions & 0 deletions mlir/lib/Conversion/TosaToLinalg/TosaToLinalg.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1153,6 +1153,9 @@ class RescaleConverter : public OpRewritePattern<tosa::RescaleOp> {
return rewriter.notifyMatchFailure(
op, "tosa.rescale requires scale32 for double_round to be true");

if (!isa<IntegerType>(inputTy.getElementType()))
return rewriter.notifyMatchFailure(op, "only support integer type");

SmallVector<Value> dynDims;
for (int i = 0; i < outputTy.getRank(); i++) {
if (outputTy.isDynamicDim(i)) {
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9 changes: 9 additions & 0 deletions mlir/test/Conversion/TosaToLinalg/tosa-to-linalg-invalid.mlir
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Expand Up @@ -36,3 +36,12 @@ func.func @rfft2d_with_non_float_type(%arg0 : tensor<1x1x1xi32>) -> (tensor<1x1x
%real, %imag = tosa.rfft2d %arg0 : (tensor<1x1x1xi32>) -> (tensor<1x1x1xi32>, tensor<1x1x1xi32>)
return %real, %imag : tensor<1x1x1xi32>, tensor<1x1x1xi32>
}

// -----

// CHECK-LABEL: @rescale_unsupported_type
func.func @rescale_unsupported_type(%arg0: tensor<13x21x3x!quant.uniform<u8:f32, 0.015655439347028732:127>>) -> tensor<13x21x3x!quant.uniform<i8:f32, 0.015655439347028732:-1>> {
// expected-error@+1 {{failed to legalize operation 'tosa.rescale'}}
%0 = tosa.rescale %arg0 {double_round = false, input_zp = 127 : i32, multiplier = array<i32: 1073741824>, output_zp = -1 : i32, per_channel = false, scale32 = true, shift = array<i8: 30>} : (tensor<13x21x3x!quant.uniform<u8:f32, 0.015655439347028732:127>>) -> tensor<13x21x3x!quant.uniform<i8:f32, 0.015655439347028732:-1>>
return %0 : tensor<13x21x3x!quant.uniform<i8:f32, 0.015655439347028732:-1>>
}
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