[#llvm-FixedNumOperandTraits-09b87]
= xref:llvm.adoc[llvm]::FixedNumOperandTraits
:relfileprefix: ../
:mrdocs:

Traits for a compile‐time‐fixed prefix Use array.

== Synopsis

Declared in `<llvm/IR/OperandTraits.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    typename SubClass,
    unsigned int ARITY>
struct FixedNumOperandTraits;
----

== Description

Determines the allocation regime of the Use array when it is a prefix to the User object, and the number of Use objects is known at compile time.

== Static Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:llvm/FixedNumOperandTraits-09b87/op_begin.adoc[`op_begin`] 
| Return a pointer to the first operand `Use` for `U.`
| xref:llvm/FixedNumOperandTraits-09b87/op_end.adoc[`op_end`] 
| Return a pointer past the last operand `Use` for `U.`
| xref:llvm/FixedNumOperandTraits-09b87/operands.adoc[`operands`] 
| Return the fixed number of operands for `U.`
|===


== Derived Classes

[cols="1,4"]
|===
| Name| Description
| xref:llvm/OperandTraits-062.adoc[`OperandTraits<AddrSpaceCastOperator>`] 
| Operand layout traits for AddrSpaceCastOperator.
| xref:llvm/OperandTraits-059.adoc[`OperandTraits<AtomicCmpXchgInst>`] 
| Operand layout traits for AtomicCmpXchgInst.
| xref:llvm/OperandTraits-0ff4.adoc[`OperandTraits<AtomicRMWInst>`] 
| Operand layout traits for AtomicRMWInst.
| xref:llvm/OperandTraits-012.adoc[`OperandTraits<BinaryOperator>`] 
| Operand layout traits for BinaryOperator.
| xref:llvm/OperandTraits-01a.adoc[`OperandTraits<BitCastOperator>`] 
| Operand layout traits for BitCastOperator.
| xref:llvm/OperandTraits-03d.adoc[`OperandTraits<BlockAddress>`] 
| Operand layout traits for BlockAddress.
| xref:llvm/OperandTraits-0e6.adoc[`OperandTraits<CatchReturnInst>`] 
| Operand layout traits for CatchReturnInst.
| xref:llvm/OperandTraits-04e.adoc[`OperandTraits<CmpInst>`] 
| Operand layout traits for CmpInst.
| xref:llvm/OperandTraits-0b.adoc[`OperandTraits<CondBrInst>`] 
| Operand layout traits for CondBrInst.
| xref:llvm/OperandTraits-0a3.adoc[`OperandTraits<ConstantPtrAuth>`] 
| Operand layout traits for ConstantPtrAuth.
| xref:llvm/OperandTraits-09c.adoc[`OperandTraits<DSOLocalEquivalent>`] 
| Operand layout traits for DSOLocalEquivalent.
| xref:llvm/OperandTraits-0db.adoc[`OperandTraits<ExtractElementInst>`] 
| Operand layout traits for ExtractElementInst.
| xref:llvm/OperandTraits-038.adoc[`OperandTraits<GlobalAlias>`] 
| Operand layout traits for GlobalAlias.
| xref:llvm/OperandTraits-0f4.adoc[`OperandTraits<GlobalIFunc>`] 
| Operand layout traits for GlobalIFunc.
| xref:llvm/OperandTraits-0546.adoc[`OperandTraits<InsertElementInst>`] 
| Operand layout traits for InsertElementInst.
| xref:llvm/OperandTraits-0e5.adoc[`OperandTraits<InsertValueInst>`] 
| Operand layout traits for InsertValueInst.
| xref:llvm/OperandTraits-0c.adoc[`OperandTraits<MemoryDef>`] 
| OperandTraits for MemoryDef with two operands.
| xref:llvm/OperandTraits-04c.adoc[`OperandTraits<MemoryUse>`] 
| OperandTraits for MemoryUse with a single operand.
| xref:llvm/OperandTraits-080.adoc[`OperandTraits<NoCFIValue>`] 
| Operand layout traits for NoCFIValue.
| xref:llvm/OperandTraits-0d7.adoc[`OperandTraits<OverflowingBinaryOperator>`] 
| Operand layout traits for OverflowingBinaryOperator.
| xref:llvm/OperandTraits-0ffa.adoc[`OperandTraits<PossiblyExactOperator>`] 
| Operand layout traits for PossiblyExactOperator.
| xref:llvm/OperandTraits-09b.adoc[`OperandTraits<PtrToAddrOperator>`] 
| Operand layout traits for PtrToAddrOperator.
| xref:llvm/OperandTraits-05d.adoc[`OperandTraits<PtrToIntOperator>`] 
| Operand layout traits for PtrToIntOperator.
| xref:llvm/OperandTraits-000.adoc[`OperandTraits<ResumeInst>`] 
| Operand layout traits for ResumeInst.
| xref:llvm/OperandTraits-065.adoc[`OperandTraits<SelectInst>`] 
| Operand layout traits for SelectInst.
| xref:llvm/OperandTraits-07f.adoc[`OperandTraits<ShuffleVectorInst>`] 
| Operand layout traits for ShuffleVectorInst.
| xref:llvm/OperandTraits-078.adoc[`OperandTraits<StoreInst>`] 
| Operand layout traits for StoreInst.
| xref:llvm/OperandTraits-06e.adoc[`OperandTraits<UnaryInstruction>`] 
| Operand layout traits for UnaryInstruction.
| xref:llvm/OperandTraits-028.adoc[`OperandTraits<UncondBrInst>`] 
| Operand layout traits for UncondBrInst.
| xref:llvm/OptionalOperandTraits-05.adoc[`OptionalOperandTraits`] 
| OptionalOperandTraits ‐ when the number of operands may change at runtime. Naturally it may only decrease, because the allocations may not change.
|===


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