GHC.CmmToAsm.Reg.Linear.StackMap
The assignment of virtual registers to stack slots
Documentation
Constructors
StackMap | |
Fields
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emptyStackMap :: StackMap Source #
An empty stack map, with all slots available.
getStackSlotFor :: StackMap -> Unique -> (StackMap, Int) Source #
If this vreg unique already has a stack assignment then return the slot number, otherwise allocate a new slot, and update the map.
getStackUse :: StackMap -> Int Source #
Return the number of stack slots that were allocated