[Mlir-commits] [mlir] [MLIR][LLVM] add dwarfAddressSpace to DIDerivedType (PR #92043)

[William G Hatch]

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@@ -418,6 +418,7 @@ def LLVM_DIDerivedTypeAttr : LLVM_Attr<"DIDerivedType", "di_derived_type",
     OptionalParameter<"uint64_t">:$sizeInBits,
     OptionalParameter<"uint32_t">:$alignInBits,
     OptionalParameter<"uint64_t">:$offsetInBits,
+    OptionalParameter<"std::optional<unsigned>">:$dwarfAddressSpace,
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willghatch wrote:

I haven't found anything indicating that lack of DW_AT_address_class is necessarily assumed to be different from a zero value, but I think there is practical value to being able to not emit the attribute when not dealing with GPUs as well as explicitly emit 0 when you are.

https://github.com/llvm/llvm-project/pull/92043