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package org.graalvm.compiler.lir.stackslotalloc;

import org.graalvm.compiler.debug.CounterKey;
import org.graalvm.compiler.debug.DebugContext;
import org.graalvm.compiler.lir.VirtualStackSlot;
import org.graalvm.compiler.lir.gen.LIRGenerationResult;

import jdk.vm.ci.code.StackSlot;

A stack slot allocator is responsible for translating virtual stack slots into real stack slots. This includes changing all occurrences of VirtualStackSlot in the LIR to StackSlot. /**
 * A stack slot allocator is responsible for translating {@link VirtualStackSlot virtual} stack
 * slots into {@link StackSlot real} stack slots. This includes changing all occurrences of
 * {@link VirtualStackSlot} in the {@link LIRGenerationResult#getLIR() LIR} to {@link StackSlot}.
 */
public final class StackSlotAllocatorUtil {
    
The number of allocated stack slots.
/**
     * The number of allocated stack slots.
     */
    public static final CounterKey allocatedSlots = DebugContext.counter("StackSlotAllocator[allocatedSlots]");
    
The number of reused stack slots.
/**
     * The number of reused stack slots.
     */
    public static final CounterKey reusedSlots = DebugContext.counter("StackSlotAllocator[reusedSlots]");
    
The size (in bytes) required for all allocated stack slots. Note that this number corresponds
to the actual frame size and might include alignment.
/**
     * The size (in bytes) required for all allocated stack slots. Note that this number corresponds
     * to the actual frame size and might include alignment.
     */
    public static final CounterKey allocatedFramesize = DebugContext.counter("StackSlotAllocator[AllocatedFramesize]");
    
The size (in bytes) required for all virtual stack slots. /** The size (in bytes) required for all virtual stack slots. */
    public static final CounterKey virtualFramesize = DebugContext.counter("StackSlotAllocator[VirtualFramesize]");
}