vector.table.quantize

← vector dialect

Map floating-point lanes to integer ordinal code lanes using an ordered rank-1 threshold table. For each input lane, the result code is the selected quantization bin; nan and tie attributes make NaN and threshold equality behavior explicit.

Operation contract

Property	Value
Semantic phase	—
Traits	Pure

Signature

Kind	Name	Type	Cardinality	Description
Operand	input	vector	required	Floating-point lanes to quantize.
Operand	thresholds	vector	required	Rank-1 ordered floating-point threshold table.
Result	result	vector	required	Unsigned ordinal code lanes stored in integer elements.
Attribute	nan	enum QuantizeNaN	required	Required NaN handling policy.
Attribute	tie	enum QuantizeTie	required	Required threshold equality policy.

Verification constraints

• HasFloatElement(input)
• HasFloatElement(thresholds)
• HasRankOneVector(thresholds)
• HasIntegerElement(result)
• SameElementType(input, thresholds)
• SameShape(input, result)

Examples

%codes = vector.table.quantize %values, %thresholds {nan = zero, tie = lower} : vector<32xf32>, vector<15xf32> -> vector<32xi8>