ΒΆbool isAllOnesOrAllOnesSplat(
    const llvm::MachineInstr& MI,
    const llvm::MachineRegisterInfo& MRI,
    bool AllowUndefs = false)

Description

Return true if the value is a constant -1 integer or a splatted vector of a constant -1 integer (with no undefs if \p AllowUndefs is false).

Declared at: llvm/include/llvm/CodeGen/GlobalISel/Utils.h:443

Parameters

const llvm::MachineInstr& MI
const llvm::MachineRegisterInfo& MRI
bool AllowUndefs = false