def_empty ‐ Return true if there are no instructions defining the specified register (it may be live‐in).
Synopsis
Declared in <llvm/CodeGen/MachineRegisterInfo.h>
bool
def_empty(Register RegNo) const;
Return Value
True if there are no instructions defining RegNo.
Parameters
Name |
Description |
RegNo |
Register to test for any definitions. |
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