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RefToBridgeObjectInst and BridgeObjectToRefInst are rc identity preserving

Browse Source 
rdar://19006443

Swift SVN r23411
This commit is contained in:
Arnold Schwaighofer
2014-11-18 21:23:07 +00:00
parent 20f75c7f67
commit 08015deced
3 changed files with 24 additions and 1 deletions
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4
lib/SIL/SILValue.cpp
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@@ -31,6 +31,8 @@ static bool isRCIdentityPreservingCast(ValueKind Kind) {
case ValueKind::UncheckedAddrCastInst:
case ValueKind::UnconditionalCheckedCastInst:
case ValueKind::UncheckedRefBitCastInst:
case ValueKind::RefToBridgeObjectInst:
case ValueKind::BridgeObjectToRefInst:
return true;
default:
return false;
@@ -46,6 +48,8 @@ static bool isUpcastPreservingCast(ValueKind Kind) {
case ValueKind::UncheckedRefCastInst:
case ValueKind::UncheckedAddrCastInst:
case ValueKind::UncheckedRefBitCastInst:
case ValueKind::RefToBridgeObjectInst:
case ValueKind::BridgeObjectToRefInst:
return true;
default:
return false;