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introduce tfHasOwned for fast must-move checkings; removed tfAcyclic as the GC has ignored this hint for quite some time now

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This commit is contained in:
Andreas Rumpf 2019-03-05 17:29:48 +01:00
commit 4be36d77f6
9 changed files with 30 additions and 63 deletions
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compiler/dfa.nim
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@ -596,7 +596,7 @@ proc genCall(c: var Con; n: PNode) =
gen(c, n[i])
when false:
if t != nil and i < t.len and t.sons[i].kind == tyVar:
# XXX This is wrong! Pass by var is a 'might def', not a 'must def'
# This is wrong! Pass by var is a 'might def', not a 'must def'
# like the other defs we emit. This is not good enough for a move
# optimizer.
genDef(c, n[i])