llvm::alignTo

alignTo overloads

Synopses

Declared in <llvm/Support/Alignment.h>

Returns the next integer (mod 2**nbits) that is greater than or equal to Value and is a multiple of Align. Align must be non‐zero.

template<
    auto Align,
    typename V,
    typename T = common_uint<decltype(Align), V>>
constexpr
T
alignTo(V Value);

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Round Size up to a multiple of Align.

constexpr
TypeSize
alignTo(
    TypeSize Size,
    uint64_t Align);

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Returns a multiple of A needed to store Size bytes.

constexpr
uint64_t
alignTo(
    uint64_t Size,
    Align A);

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Fallback when arguments aren't integral.

constexpr
uint64_t
alignTo(
    uint64_t Value,
    uint64_t Align);

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Returns the next integer (mod 2**nbits) that is greater than or equal to Value and is a multiple of Align. Align must be non‐zero.

template<
    typename U,
    typename V,
    typename T = common_uint<U, V>>
constexpr
T
alignTo(
    U Value,
    V Align);

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Returns the smallest value at least Size congruent to Skew modulo A.

uint64_t
alignTo(
    uint64_t Size,
    Align A,
    uint64_t Skew);

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Align Value up to Align with an optional Skew offset.

template<
    typename U,
    typename V,
    typename W,
    typename T = common_uint<common_uint<U, V>, W>>
constexpr
T
alignTo(
    U Value,
    V Align,
    W Skew);

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Return Value

Value rounded up to the next multiple of Align.
TypeSize with known‐min rounded up to a multiple of Align.
Size rounded up to the next multiple of A.
The smallest value at least Size congruent to Skew modulo A.
The smallest value at least Value equal to Align * N + Skew.

Parameters

Name

Description

Value

Value to align upward.

Size

Quantity whose known‐min size is rounded up.

Align

Non‐zero alignment in the same units as Size.

Alignment to round up to.

Skew

Desired residue modulo A.

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