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Move
BuildAttributesMap() to a common place
So that both CPU and GPU code can reuse the same implementation. At the moment each uses its own version that are identical. PiperOrigin-RevId: 633522046
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,130 @@ | ||
| /* Copyright 2024 The OpenXLA Authors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| ==============================================================================*/ | ||
|
|
||
| #include "xla/ffi/attribute_map.h" | ||
|
|
||
| #include <cstdint> | ||
| #include <string_view> | ||
|
|
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| #include "absl/status/status.h" | ||
| #include "absl/status/statusor.h" | ||
| #include "absl/strings/str_cat.h" | ||
| #include "llvm/ADT/TypeSwitch.h" | ||
| #include "mlir/IR/Attributes.h" // from @llvm-project | ||
| #include "mlir/IR/BuiltinAttributes.h" // from @llvm-project | ||
| #include "mlir/Support/LLVM.h" // from @llvm-project | ||
| #include "xla/ffi/call_frame.h" | ||
| #include "xla/xla_data.pb.h" | ||
| #include "tsl/platform/errors.h" | ||
|
|
||
| using FlatAttribute = xla::ffi::CallFrameBuilder::FlatAttribute; | ||
| using FlatAttributesMap = xla::ffi::CallFrameBuilder::FlatAttributesMap; | ||
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| namespace xla::ffi { | ||
|
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| absl::StatusOr<FlatAttributesMap> BuildAttributesMap( | ||
| mlir::DictionaryAttr dict) { | ||
| FlatAttributesMap attributes; | ||
| for (auto& kv : dict) { | ||
| std::string_view name = kv.getName().strref(); | ||
|
|
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| auto boolean = [&](mlir::BoolAttr boolean) { | ||
| attributes[name] = static_cast<bool>(boolean.getValue()); | ||
| return absl::OkStatus(); | ||
| }; | ||
|
|
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| auto integer = [&](mlir::IntegerAttr integer) { | ||
| switch (integer.getType().getIntOrFloatBitWidth()) { | ||
| case 1: | ||
| attributes[name] = static_cast<bool>(integer.getInt()); | ||
| return absl::OkStatus(); | ||
| case 8: | ||
| attributes[name] = static_cast<int8_t>(integer.getInt()); | ||
| return absl::OkStatus(); | ||
| case 16: | ||
| attributes[name] = static_cast<int16_t>(integer.getInt()); | ||
| return absl::OkStatus(); | ||
| case 32: | ||
| attributes[name] = static_cast<int32_t>(integer.getInt()); | ||
| return absl::OkStatus(); | ||
| case 64: | ||
| attributes[name] = static_cast<int64_t>(integer.getInt()); | ||
| return absl::OkStatus(); | ||
| default: | ||
| return absl::InvalidArgumentError(absl::StrCat( | ||
| "Unsupported integer attribute bit width for attribute: ", name)); | ||
| } | ||
| }; | ||
|
|
||
| auto fp = [&](mlir::FloatAttr fp) { | ||
| switch (fp.getType().getIntOrFloatBitWidth()) { | ||
| case 32: | ||
| attributes[name] = static_cast<float>(fp.getValue().convertToFloat()); | ||
| return absl::OkStatus(); | ||
| case 64: | ||
| attributes[name] = | ||
| static_cast<double>(fp.getValue().convertToDouble()); | ||
| return absl::OkStatus(); | ||
| default: | ||
| return absl::InvalidArgumentError(absl::StrCat( | ||
| "Unsupported float attribute bit width for attribute: ", name)); | ||
| } | ||
| }; | ||
|
|
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| auto arr = [&](mlir::DenseArrayAttr arr) { | ||
| if (auto dense = mlir::dyn_cast<mlir::DenseI8ArrayAttr>(arr)) { | ||
| attributes[name] = dense.asArrayRef().vec(); | ||
| return absl::OkStatus(); | ||
| } else if (auto dense = mlir::dyn_cast<mlir::DenseI16ArrayAttr>(arr)) { | ||
| attributes[name] = dense.asArrayRef().vec(); | ||
| return absl::OkStatus(); | ||
| } else if (auto dense = mlir::dyn_cast<mlir::DenseI32ArrayAttr>(arr)) { | ||
| attributes[name] = dense.asArrayRef().vec(); | ||
| return absl::OkStatus(); | ||
| } else if (auto dense = mlir::dyn_cast<mlir::DenseI64ArrayAttr>(arr)) { | ||
| attributes[name] = dense.asArrayRef().vec(); | ||
| return absl::OkStatus(); | ||
| } else if (auto dense = mlir::dyn_cast<mlir::DenseF32ArrayAttr>(arr)) { | ||
| attributes[name] = dense.asArrayRef().vec(); | ||
| return absl::OkStatus(); | ||
| } else if (auto dense = mlir::dyn_cast<mlir::DenseF64ArrayAttr>(arr)) { | ||
| attributes[name] = dense.asArrayRef().vec(); | ||
| return absl::OkStatus(); | ||
| } else { | ||
| return absl::InvalidArgumentError(absl::StrCat( | ||
| "Unsupported array element type for attribute: ", name)); | ||
| } | ||
| }; | ||
|
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| auto str = [&](mlir::StringAttr str) { | ||
| attributes[name] = str.getValue().str(); | ||
| return absl::OkStatus(); | ||
| }; | ||
|
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||
| TF_RETURN_IF_ERROR( | ||
| llvm::TypeSwitch<mlir::Attribute, absl::Status>(kv.getValue()) | ||
| .Case<mlir::BoolAttr>(boolean) | ||
| .Case<mlir::IntegerAttr>(integer) | ||
| .Case<mlir::FloatAttr>(fp) | ||
| .Case<mlir::DenseArrayAttr>(arr) | ||
| .Case<mlir::StringAttr>(str) | ||
| .Default([&](mlir::Attribute) { | ||
| return absl::InvalidArgumentError(absl::StrCat( | ||
| "Unsupported attribute type for attribute: ", name)); | ||
| })); | ||
| } | ||
| return attributes; | ||
| } | ||
| } // namespace xla::ffi |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| /* Copyright 2024 The OpenXLA Authors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| ==============================================================================*/ | ||
|
|
||
| #ifndef XLA_FFI_ATTRIBUTE_MAP_H_ | ||
| #define XLA_FFI_ATTRIBUTE_MAP_H_ | ||
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| #include "absl/status/statusor.h" | ||
| #include "mlir/IR/BuiltinAttributes.h" // from @llvm-project | ||
| #include "xla/ffi/call_frame.h" | ||
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| namespace xla::ffi { | ||
|
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| // Converts MLIR dictionary attribute attached to a custom call operation to a | ||
| // custom call handler attributes that are forwarded to the FFI handler. | ||
| absl::StatusOr<CallFrameBuilder::FlatAttributesMap> BuildAttributesMap( | ||
| mlir::DictionaryAttr dict); | ||
|
|
||
| } // namespace xla::ffi | ||
|
|
||
| #endif // XLA_FFI_ATTRIBUTE_MAP_H_ |
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