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vector.splat

← vector dialect

Replicate one scalar value to every lane of a vector result. The annotation after ':' is the result vector type; the scalar operand must already have the same element type, so conversions must be spelled with scalar/vector cast ops before or after the splat.

Operation contract

Property Value
Semantic phase executable
Traits Pure, RefinableResultTypeRefs

Signature

Kind Name Type Cardinality Description
Operand scalar scalar required —
Result result vector required —

Verification constraints

  • SameElementType(scalar, result)

Examples

%vec = vector.splat %scalar : vector<16xf32>
%vec = vector.splat %scalar : vector<[%n]xi32>