[MLIR][ODS] Add support for wrapping enums with std::optional in Type/Attr definitions #117719
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…/Attr definitions
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@llvm/pr-subscribers-mlir Author: Mehdi Amini (joker-eph) ChangesFull diff: https://github.com/llvm/llvm-project/pull/117719.diff 3 Files Affected:
diff --git a/mlir/test/lib/Dialect/Test/TestAttrDefs.td b/mlir/test/lib/Dialect/Test/TestAttrDefs.td
index 907184b2e1ce4c..0fd272f85d39bd 100644
--- a/mlir/test/lib/Dialect/Test/TestAttrDefs.td
+++ b/mlir/test/lib/Dialect/Test/TestAttrDefs.td
@@ -226,6 +226,12 @@ def TestAttrWithOptionalUnsigned : Test_Attr<"TestAttrWithOptionalUnsigned"> {
let mnemonic = "attr_with_optional_unsigned";
}
+def TestAttrWithOptionalEnum : Test_Attr<"TestAttrWithOptionalEnum"> {
+ let parameters = (ins OptionalParameter<"std::optional<SimpleEnum>">:$value);
+ let assemblyFormat = "`<` $value `>`";
+ let mnemonic = "attr_with_optional_enum";
+}
+
def TestAttrUgly : Test_Attr<"TestAttrUgly"> {
let parameters = (ins "::mlir::Attribute":$attr);
diff --git a/mlir/test/mlir-tblgen/attr-or-type-format-roundtrip.mlir b/mlir/test/mlir-tblgen/attr-or-type-format-roundtrip.mlir
index f0d1571d583877..77b94698a278e9 100644
--- a/mlir/test/mlir-tblgen/attr-or-type-format-roundtrip.mlir
+++ b/mlir/test/mlir-tblgen/attr-or-type-format-roundtrip.mlir
@@ -26,7 +26,13 @@ attributes {
// CHECK: #test.attr_with_optional_signed<-9223372036854775808>
attr9 = #test.attr_with_optional_signed<-9223372036854775808>,
// CHECK: #test.attr_with_optional_unsigned<18446744073709551615>
- attr_10 = #test.attr_with_optional_unsigned<18446744073709551615>
+ attr_10 = #test.attr_with_optional_unsigned<18446744073709551615>,
+ // CHECK: #test.attr_with_optional_enum<>
+ attr_11 = #test.attr_with_optional_enum<>,
+ // CHECK: #test.attr_with_optional_enum<a>
+ attr_12 = #test.attr_with_optional_enum<a>,
+ // CHECK: #test.attr_with_optional_enum<b>
+ attr_13 = #test.attr_with_optional_enum<b>
}
// CHECK-LABEL: @test_roundtrip_default_parsers_struct
diff --git a/mlir/tools/mlir-tblgen/EnumsGen.cpp b/mlir/tools/mlir-tblgen/EnumsGen.cpp
index 47ffd291cae687..d11aa9b27c2d86 100644
--- a/mlir/tools/mlir-tblgen/EnumsGen.cpp
+++ b/mlir/tools/mlir-tblgen/EnumsGen.cpp
@@ -101,6 +101,27 @@ struct FieldParser<{0}, {0}> {{
return parser.emitError(loc, "invalid {2} specification: ") << enumKeyword;
}
};
+
+/// Support for std::optional, useful in attribute/type definition where the enum is
+/// used as:
+///
+/// let parameters = (ins OptionalParameter<"std::optional<TheEnumName>">:$value);
+template<>
+struct FieldParser<std::optional<{0}>, std::optional<{0}>> {{
+ template <typename ParserT>
+ static FailureOr<std::optional<{0}>> parse(ParserT &parser) {{
+ // Parse the keyword/string containing the enum.
+ std::string enumKeyword;
+ auto loc = parser.getCurrentLocation();
+ if (failed(parser.parseOptionalKeywordOrString(&enumKeyword)))
+ return std::optional<{0}>{{};
+
+ // Symbolize the keyword.
+ if (::std::optional<{0}> attr = {1}::symbolizeEnum<{0}>(enumKeyword))
+ return attr;
+ return parser.emitError(loc, "invalid {2} specification: ") << enumKeyword;
+ }
+};
} // namespace mlir
namespace llvm {
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@llvm/pr-subscribers-mlir-core Author: Mehdi Amini (joker-eph) ChangesFull diff: https://github.com/llvm/llvm-project/pull/117719.diff 3 Files Affected:
diff --git a/mlir/test/lib/Dialect/Test/TestAttrDefs.td b/mlir/test/lib/Dialect/Test/TestAttrDefs.td
index 907184b2e1ce4c..0fd272f85d39bd 100644
--- a/mlir/test/lib/Dialect/Test/TestAttrDefs.td
+++ b/mlir/test/lib/Dialect/Test/TestAttrDefs.td
@@ -226,6 +226,12 @@ def TestAttrWithOptionalUnsigned : Test_Attr<"TestAttrWithOptionalUnsigned"> {
let mnemonic = "attr_with_optional_unsigned";
}
+def TestAttrWithOptionalEnum : Test_Attr<"TestAttrWithOptionalEnum"> {
+ let parameters = (ins OptionalParameter<"std::optional<SimpleEnum>">:$value);
+ let assemblyFormat = "`<` $value `>`";
+ let mnemonic = "attr_with_optional_enum";
+}
+
def TestAttrUgly : Test_Attr<"TestAttrUgly"> {
let parameters = (ins "::mlir::Attribute":$attr);
diff --git a/mlir/test/mlir-tblgen/attr-or-type-format-roundtrip.mlir b/mlir/test/mlir-tblgen/attr-or-type-format-roundtrip.mlir
index f0d1571d583877..77b94698a278e9 100644
--- a/mlir/test/mlir-tblgen/attr-or-type-format-roundtrip.mlir
+++ b/mlir/test/mlir-tblgen/attr-or-type-format-roundtrip.mlir
@@ -26,7 +26,13 @@ attributes {
// CHECK: #test.attr_with_optional_signed<-9223372036854775808>
attr9 = #test.attr_with_optional_signed<-9223372036854775808>,
// CHECK: #test.attr_with_optional_unsigned<18446744073709551615>
- attr_10 = #test.attr_with_optional_unsigned<18446744073709551615>
+ attr_10 = #test.attr_with_optional_unsigned<18446744073709551615>,
+ // CHECK: #test.attr_with_optional_enum<>
+ attr_11 = #test.attr_with_optional_enum<>,
+ // CHECK: #test.attr_with_optional_enum<a>
+ attr_12 = #test.attr_with_optional_enum<a>,
+ // CHECK: #test.attr_with_optional_enum<b>
+ attr_13 = #test.attr_with_optional_enum<b>
}
// CHECK-LABEL: @test_roundtrip_default_parsers_struct
diff --git a/mlir/tools/mlir-tblgen/EnumsGen.cpp b/mlir/tools/mlir-tblgen/EnumsGen.cpp
index 47ffd291cae687..d11aa9b27c2d86 100644
--- a/mlir/tools/mlir-tblgen/EnumsGen.cpp
+++ b/mlir/tools/mlir-tblgen/EnumsGen.cpp
@@ -101,6 +101,27 @@ struct FieldParser<{0}, {0}> {{
return parser.emitError(loc, "invalid {2} specification: ") << enumKeyword;
}
};
+
+/// Support for std::optional, useful in attribute/type definition where the enum is
+/// used as:
+///
+/// let parameters = (ins OptionalParameter<"std::optional<TheEnumName>">:$value);
+template<>
+struct FieldParser<std::optional<{0}>, std::optional<{0}>> {{
+ template <typename ParserT>
+ static FailureOr<std::optional<{0}>> parse(ParserT &parser) {{
+ // Parse the keyword/string containing the enum.
+ std::string enumKeyword;
+ auto loc = parser.getCurrentLocation();
+ if (failed(parser.parseOptionalKeywordOrString(&enumKeyword)))
+ return std::optional<{0}>{{};
+
+ // Symbolize the keyword.
+ if (::std::optional<{0}> attr = {1}::symbolizeEnum<{0}>(enumKeyword))
+ return attr;
+ return parser.emitError(loc, "invalid {2} specification: ") << enumKeyword;
+ }
+};
} // namespace mlir
namespace llvm {
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Mogball
approved these changes
Nov 28, 2024
kuhar
added a commit
to iree-org/iree
that referenced
this pull request
Nov 28, 2024
…19334) Still carrying a revert for 1004865f1ca41a9581da8747f34b29862d3ebc3d and a cherry pick for llvm/llvm-project#116650. Removed `FieldParser`s for optional enums that get autogenerated as of llvm/llvm-project#117719.
giacs-epic
pushed a commit
to giacs-epic/iree
that referenced
this pull request
Dec 4, 2024
…ree-org#19334) Still carrying a revert for 1004865f1ca41a9581da8747f34b29862d3ebc3d and a cherry pick for llvm/llvm-project#116650. Removed `FieldParser`s for optional enums that get autogenerated as of llvm/llvm-project#117719. Signed-off-by: Giacomo Serafini <[email protected]>
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