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59 lines
2.1 KiB
C++
59 lines
2.1 KiB
C++
// Part of the Concrete Compiler Project, under the BSD3 License with Zama
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// Exceptions. See
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// https://github.com/zama-ai/concrete-compiler-internal/blob/main/LICENSE.txt
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// for license information.
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#include "concretelang/Dialect/FHE/IR/FHETypes.h"
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#include <concretelang/Dialect/FHE/Analysis/utils.h>
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namespace mlir {
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namespace concretelang {
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namespace fhe {
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namespace utils {
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/// Returns `true` if the given value is a scalar or tensor argument of
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/// a function, for which a MANP of 1 can be assumed.
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bool isEncryptedValue(mlir::Value value) {
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return (
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value.getType().isa<mlir::concretelang::FHE::EncryptedIntegerType>() ||
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value.getType().isa<mlir::concretelang::FHE::EncryptedBooleanType>() ||
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(value.getType().isa<mlir::TensorType>() &&
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value.getType()
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.cast<mlir::TensorType>()
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.getElementType()
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.isa<mlir::concretelang::FHE::EncryptedIntegerType>()));
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}
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/// Returns the bit width of `value` if `value` is an encrypted integer,
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/// or the number of bits to represent a boolean if `value` is an encrypted
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/// boolean, or the bit width of the elements if `value` is a tensor of
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/// encrypted integers.
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unsigned int getEintPrecision(mlir::Value value) {
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if (auto ty = value.getType()
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.dyn_cast_or_null<
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mlir::concretelang::FHE::EncryptedIntegerType>()) {
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return ty.getWidth();
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}
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if (auto ty = value.getType()
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.dyn_cast_or_null<
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mlir::concretelang::FHE::EncryptedBooleanType>()) {
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return mlir::concretelang::FHE::EncryptedBooleanType::getWidth();
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} else if (auto tensorTy =
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value.getType().dyn_cast_or_null<mlir::TensorType>()) {
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if (auto ty = tensorTy.getElementType()
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.dyn_cast_or_null<
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mlir::concretelang::FHE::EncryptedIntegerType>())
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return ty.getWidth();
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}
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assert(false &&
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"Value is neither an encrypted integer nor a tensor of encrypted "
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"integers");
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return 0;
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}
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} // namespace utils
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} // namespace fhe
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} // namespace concretelang
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} // namespace mlir
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