struct LoopVectorizationCostModel::RegisterUsage

Declaration

struct LoopVectorizationCostModel::RegisterUsage { /* full declaration omitted */ };

Description

A struct that represents some properties of the register usage of a loop.

Declared at: llvm/lib/Transforms/Vectorize/LoopVectorize.cpp:1017

Member Variables

public SmallMapVector<unsigned int, unsigned int, 4> LoopInvariantRegs

Holds the number of loop invariant values that are used in the loop. The key is ClassID of target-provided register class.

public SmallMapVector<unsigned int, unsigned int, 4> MaxLocalUsers

Holds the maximum number of concurrent live intervals in the loop. The key is ClassID of target-provided register class.