Return true if Reg is dead in this instruction.
Synopsis
Declared in <llvm/CodeGen/MachineInstr.h>
bool
registerDefIsDead(
Register Reg,
TargetRegisterInfo const* TRI) const;Description
With a non‐null TRI, also matches a dead def of a super‐register.
Return Value
True if a dead def of Reg (or a super‐reg) exists.
Parameters
Name |
Description |
Reg |
Register whose deadness is queried. |
TRI |
Optional target register info for super‐register checks. |
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