Live physical register unit with its defining or reading operand.
Synopsis
Declared in <llvm/CodeGen/MachineTraceMetrics.h>
struct LiveRegUnit;Description
Keep track of physreg data dependencies by recording each live register unit. Associate each regunit with an instruction operand. Depending on the direction instructions are scanned, it could be the operand that defined the regunit, or the highest operand to read the regunit.
Member Functions
Name |
Description |
|
Construct a live regunit entry for |
Return the sparse‐set index for this regunit. |