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removed caching logic; saves 400MB for an ORC booting compiler (#19989)

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Andreas Rumpf 2022-07-09 06:46:05 +02:00 • committed by GitHub
commit 7a29a782f8
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1 changed files with 1 additions and 8 deletions
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compiler/injectdestructors.nim
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@ -80,12 +80,6 @@ import sets, hashes
proc hash(n: PNode): Hash = hash(cast[pointer](n)) proc hash(n: PNode): Hash = hash(cast[pointer](n))
proc aliasesCached(cache: var Table[(PNode, PNode), AliasKind], obj, field: PNode): AliasKind =
let key = (obj, field)
if not cache.hasKey(key):
cache[key] = aliases(obj, field)
cache[key]
type type
State = ref object State = ref object
lastReads: IntSet lastReads: IntSet
@ -116,9 +110,8 @@ proc mergeStates(a: var State, b: sink State) =
a.alreadySeen.incl b.alreadySeen a.alreadySeen.incl b.alreadySeen
proc computeLastReadsAndFirstWrites(cfg: ControlFlowGraph) = proc computeLastReadsAndFirstWrites(cfg: ControlFlowGraph) =
var cache = initTable[(PNode, PNode), AliasKind]()
template aliasesCached(obj, field: PNode): AliasKind = template aliasesCached(obj, field: PNode): AliasKind =
aliasesCached(cache, obj, field) aliases(obj, field)
var cfg = cfg var cfg = cfg
preprocessCfg(cfg) preprocessCfg(cfg)