diff options
| -rw-r--r-- | lib/Transforms/ObjCARC/ObjCARCOpts.cpp | 34 |
1 files changed, 28 insertions, 6 deletions
diff --git a/lib/Transforms/ObjCARC/ObjCARCOpts.cpp b/lib/Transforms/ObjCARC/ObjCARCOpts.cpp index 727b4f7..068da13 100644 --- a/lib/Transforms/ObjCARC/ObjCARCOpts.cpp +++ b/lib/Transforms/ObjCARC/ObjCARCOpts.cpp @@ -312,13 +312,35 @@ namespace { /// objc_retain and objc_release are actually needed. enum Sequence { S_None, - S_Retain, ///< objc_retain(x) - S_CanRelease, ///< foo(x) -- x could possibly see a ref count decrement - S_Use, ///< any use of x - S_Stop, ///< like S_Release, but code motion is stopped - S_Release, ///< objc_release(x) - S_MovableRelease ///< objc_release(x), !clang.imprecise_release + S_Retain, ///< objc_retain(x). + S_CanRelease, ///< foo(x) -- x could possibly see a ref count decrement. + S_Use, ///< any use of x. + S_Release, ///< objc_release(x). + S_MovableRelease, ///< objc_release(x), !clang.imprecise_release. + S_Stop ///< like S_Release, but code motion is stopped. }; + + raw_ostream &operator<<(raw_ostream &OS, const Sequence S) + LLVM_ATTRIBUTE_UNUSED; + raw_ostream &operator<<(raw_ostream &OS, const Sequence S) { + switch (S) { + case S_None: + return OS << "S_None"; + case S_Retain: + return OS << "S_Retain"; + case S_CanRelease: + return OS << "S_CanRelease"; + case S_Use: + return OS << "S_Use"; + case S_Release: + return OS << "S_Release"; + case S_MovableRelease: + return OS << "S_MovableRelease"; + case S_Stop: + return OS << "S_Stop"; + } + llvm_unreachable("Unknown sequence type."); + } } static Sequence MergeSeqs(Sequence A, Sequence B, bool TopDown) { |