¶bool isBuildVectorConstantSplat(
    const llvm::Register Reg,
    const llvm::MachineRegisterInfo& MRI,
    int64_t SplatValue,
    bool AllowUndef)

Description

Return true if the specified register is defined by G_BUILD_VECTOR or G_BUILD_VECTOR_TRUNC where all of the elements are \p SplatValue or undef.

Declared at: llvm/include/llvm/CodeGen/GlobalISel/Utils.h:401

Parameters

const llvm::Register Reg

const llvm::MachineRegisterInfo& MRI

int64_t SplatValue

bool AllowUndef