[Mlir-commits] [mlir] [mlir][emitc] Add EmitC index types (PR #93155)

[Marius Brehler]

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@@ -37,3 +37,28 @@ void mlir::populateEmitCSizeTTypeConversions(TypeConverter &converter) {
   converter.addTargetMaterialization(materializeAsUnrealizedCast);
   converter.addArgumentMaterialization(materializeAsUnrealizedCast);
 }
+
+/// Get an unsigned data type as wide as \p ty.
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marbre wrote:

I would say it it is not guaranteed...

> The bit width of size_t is not less than 16. (since C99)

> The bit width of ptrdiff_t is not less than 17. (since C99) (until C23)
> The bit width of ptrdiff_t is not less than 16. (since C23)

https://github.com/llvm/llvm-project/pull/93155