ΒΆvoid DecodeVPPERMMask(
    ArrayRef<uint64_t> RawMask,
    const llvm::APInt& UndefElts,
    SmallVectorImpl<int>& ShuffleMask)

Description

Decode a VPPERM mask from a raw array of constants such as from BUILD_VECTOR. This can only basic masks (permutes + zeros), not any of the other operations that VPPERM can perform.

Declared at: llvm/lib/Target/X86/MCTargetDesc/X86ShuffleDecode.h:124

Parameters

ArrayRef<uint64_t> RawMask
const llvm::APInt& UndefElts
SmallVectorImpl<int>& ShuffleMask