¶Optional<int64_t> getIConstantVRegSExtVal(
    llvm::Register VReg,
    const llvm::MachineRegisterInfo& MRI)

Description

If \p VReg is defined by a G_CONSTANT fits in int64_t returns it.

Declared at: llvm/include/llvm/CodeGen/GlobalISel/Utils.h:173

Parameters

llvm::Register VReg

const llvm::MachineRegisterInfo& MRI