Return the cost of keeping values of the given types alive over a call.
Synopsis
Declared in <llvm/Analysis/TargetTransformInfo.h>
InstructionCost
getCostOfKeepingLiveOverCall(ArrayRef<Type*> Tys) const;Description
Some types may require the use of register classes that do not have any callee‐saved registers, so would require a spill and fill.
Return Value
The cost of keeping values of the given types alive over a call.
Parameters
Name |
Description |
Tys |
Types that must remain live across the callsite. |
Created with MrDocs