Matthias Springer a622b21f46 [mlir][Transforms] Make ConversionPatternRewriter constructor private (#82244) ...

`ConversionPatternRewriter` objects should not be constructed outside of
dialect conversions. Some IR modifications performed through a
`ConversionPatternRewriter` are reflected in the IR in a delayed fashion
(e.g., only when the dialect conversion is guaranteed to succeed). Using
a `ConversionPatternRewriter` outside of the dialect conversion is
incorrect API usage and can bring the IR in an inconsistent state.

Migration guide: Use `IRRewriter` instead of
`ConversionPatternRewriter`.

2024-02-23 10:31:55 +01:00

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