llvm::UnrollCostEstimator::getUnrolledLoopSize

Returns loop size estimation for an unrolled loop with the given unroll count and the unrolling configuration specified by UP.

Synopsis

Declared in <llvm/Transforms/Utils/UnrollLoop.h>

uint64_t
getUnrolledLoopSize(
    TargetTransformInfo::UnrollingPreferences const& UP,
    unsigned int Count) const;

Estimated size of the loop after unrolling by Count.

Name

Description

Unrolling preferences supplying the back‐edge instruction count.

Count

Unroll factor used to scale the estimated body size.

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