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Show First 20 Lines • Show All 164 Lines • ▼ Show 20 Lines	let description = [{

```		```
// Target word-sized integer.		// Target word-sized integer.
index-type ::= `index`		index-type ::= `index`
```		```

The index type is a signless integer whose size is equal to the natural		The index type is a signless integer whose size is equal to the natural
machine word of the target ( [rationale](https://mlir.llvm.org/docs/Rationale/Rationale/#integer-signedness-semantics) )		machine word of the target ( [rationale](https://mlir.llvm.org/docs/Rationale/Rationale/#integer-signedness-semantics) )
and is used by the affine constructs in MLIR. Unlike fixed-size integers,		and is used by the affine constructs in MLIR.
it cannot be used as an element of vector ( [rationale](https://mlir.llvm.org/docs/Rationale/Rationale/#index-type-disallowed-in-vector-types) ).

Rationale: integers of platform-specific bit widths are practical to		Rationale: integers of platform-specific bit widths are practical to
express sizes, dimensionalities and subscripts.		express sizes, dimensionalities and subscripts.
}];		}];
let extraClassDeclaration = [{		let extraClassDeclaration = [{
static IndexType get(MLIRContext *context);		static IndexType get(MLIRContext *context);

/// Storage bit width used for IndexType by internal compiler data		/// Storage bit width used for IndexType by internal compiler data
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[mlir][docs] remove stale statement about index type in vectorsClosedPublic