[SYCL][clang] Implement merging of add_ir_attributes_* attributes #20419
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This commit adds the implementation logic for merging __sycl_detail__::add_ir_attributes_* attributes, which will enable the ability to apply multiple of the same attribute to the same declaration/definition, as long as the values associated to the same names in the attributes do not conflict. This is needed for SYCL free function support as the way SYCL properties are applied are through macros expanding to __sycl_detail__::add_ir_attributes_* with a single name-value-pair. Signed-off-by: Larsen, Steffen <[email protected]>
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| if (checkSYCLAddIRAttributesMergeability(A, *ExistingAttr, *this)) | ||
| return nullptr; | ||
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| D->dropAttr<SYCLAddIRAttributesFunctionAttr>(); |
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I don't fully recall how this code works but are you required to drop here if you're dropping in the add function?
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Good point! Since merge is used in multiple places, it makes the most sense to me to remove the attribute dropping in the add function.
| // CHECK-NEXT: ConstantExpr {{.*}} 'bool' | ||
| // CHECK-NEXT: value: Int 1 | ||
| // CHECK-NEXT: CXXBoolLiteralExpr {{.*}} 'bool' true | ||
| [[__sycl_detail__::add_ir_attributes_function({"Attr1", "Attr3"}, "Attr1", "Attr2", 1, true)]] |
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Can you remind me how filters work again?
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The filters mean that only the attributes with the names in the filter will get a corresponding IR attribute.
Signed-off-by: Larsen, Steffen <[email protected]>
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Signed-off-by: Larsen, Steffen <[email protected]>
steffenlarsen
temporarily deployed
to
WindowsCILock
GitHub Actions
Inactive
steffenlarsen
temporarily deployed
to
WindowsCILock
GitHub Actions
Inactive
steffenlarsen
had a problem deploying
to
WindowsCILock
GitHub Actions
Failure
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This commit adds the implementation logic for merging sycl_detail::add_ir_attributes_* attributes, which will enable the ability to apply multiple of the same attribute to the same declaration/definition, as long as the values associated to the same names in the attributes do not conflict.
This is needed for SYCL free function support as the way SYCL properties are applied are through macros expanding to
sycl_detail::add_ir_attributes_* with a single name-value-pair.