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ARC: optimize complete object constructors to use nimNewObjUninit

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Araq 2020-01-26 10:50:21 +01:00 • committed by Andreas Rumpf
commit a10cc18247
5 changed files with 40 additions and 12 deletions
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6
compiler/injectdestructors.nim
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@ -485,7 +485,8 @@ proc cycleCheck(n: PNode; c: var Con) =
break
proc p(n: PNode; c: var Con; mode: ProcessMode): PNode =
if n.kind in {nkStmtList, nkStmtListExpr, nkBlockStmt, nkBlockExpr, nkIfStmt, nkIfExpr, nkCaseStmt, nkWhen}:
if n.kind in {nkStmtList, nkStmtListExpr, nkBlockStmt, nkBlockExpr, nkIfStmt,
nkIfExpr, nkCaseStmt, nkWhen}:
handleNested(n): p(node, c, mode)
elif mode == sinkArg:
if n.containsConstSeq:
@ -493,7 +494,8 @@ proc p(n: PNode; c: var Con; mode: ProcessMode): PNode =
# sink parameter (bug #11524). Note that the string implementation is
# different and can deal with 'const string sunk into var'.
result = passCopyToSink(n, c)
elif n.kind in {nkBracket, nkObjConstr, nkTupleConstr, nkClosure} + nkCallKinds + nkLiterals:
elif n.kind in {nkBracket, nkObjConstr, nkTupleConstr, nkClosure, nkNilLit} +
nkCallKinds + nkLiterals:
result = p(n, c, consumed)
elif n.kind == nkSym and isSinkParam(n.sym):
# Sinked params can be consumed only once. We need to reset the memory