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[Runtime] Don't use custom retain/release calling convention in embedded Swift. #85313

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Merged
merged 1 commit into from
Nov 4, 2025
+3 −1
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[Runtime] Don't use custom retain/release calling convention in embedded Swift. #85313

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2 changes: 1 addition & 1 deletion include/swift/Runtime/Config.h
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Expand Up @@ -252,7 +252,7 @@ extern uintptr_t __COMPATIBILITY_LIBRARIES_CANNOT_CHECK_THE_IS_SWIFT_BIT_DIRECTL
// differs from the standard calling convention. Currently this is only used for
// swift_retain, swift_release, and some internal helper functions that they
// call.
#if defined(__aarch64__)
#if defined(__aarch64__) && !SWIFT_RUNTIME_EMBEDDED
#define SWIFT_REFCOUNT_CC SWIFT_CC_PreserveMost
#define SWIFT_REFCOUNT_CC_PRESERVEMOST 1
#else
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2 changes: 2 additions & 0 deletions include/swift/Runtime/CustomRRABI.h
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Expand Up @@ -59,8 +59,10 @@ namespace swift {
template <typename Ret, typename Param>
Param returnTypeHelper(Ret (*)(Param)) {}

#if SWIFT_REFCOUNT_CC_PRESERVEMOST
template <typename Ret, typename Param>
Param returnTypeHelper(SWIFT_REFCOUNT_CC Ret (*)(Param)) {}
#endif

#if defined(__LP64__) || defined(_LP64)
#define REGISTER_SUBSTITUTION_PREFIX ""
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