llvm::MCSchedClassDesc

Summarize the scheduling resources required for an instruction of a particular scheduling class.

Synopsis

Declared in <llvm/MC/MCSchedule.h>

struct MCSchedClassDesc;

Defined as an aggregate struct for creating tables with initializer lists.

Name

Description

Return true if this scheduling class descriptor is valid.

Return true if this scheduling class is variant and must be resolved.

Name

Description

True if this instruction begins an issue group.

True if this instruction ends an issue group.

Offset into the sched‐class name string table.

Number of micro‐ops required by this scheduling class.

Number of read‐advance table entries for this class.

Number of write‐latency table entries for this class.

Number of write‐proc‐res table entries for this class.

First index into ReadAdvanceTable.

True if this instruction may retire out of order.

First index into WriteLatencyTable.

First index into WriteProcResTable.

Name

Description

Sentinel NumMicroOps value marking an invalid scheduling class.

Sentinel NumMicroOps value marking a variant scheduling class.

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