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| author | John McCall <rjmccall@apple.com> | 2011-09-13 05:36:29 +0000 |
|---|---|---|
| committer | John McCall <rjmccall@apple.com> | 2011-09-13 05:36:29 +0000 |
| commit | 5889c60d19101156a3a54b8c49bcc60a12cc1fdb (patch) | |
| tree | 0e95719d0cc5daa1c512cc9bad68492ae1d70173 /lib/CodeGen/CGObjC.cpp | |
| parent | 1e1f4871535f2cadcbf8c9af8cc48a2213192320 (diff) | |
Always emit bitfield properties using expression behavior, even if they're
atomic. This is probably something we should warn about.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139584 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/CGObjC.cpp')
| -rw-r--r-- | lib/CodeGen/CGObjC.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/CodeGen/CGObjC.cpp b/lib/CodeGen/CGObjC.cpp index 888f67d661..f0a47af909 100644 --- a/lib/CodeGen/CGObjC.cpp +++ b/lib/CodeGen/CGObjC.cpp @@ -495,6 +495,13 @@ PropertyImplStrategy::PropertyImplStrategy(CodeGenModule &CGM, return; } + // Properties on bitfield ivars need to be emitted using expression + // accesses even if they're nominally atomic. + if (ivar->isBitField()) { + Kind = Expression; + return; + } + // GC-qualified or ARC-qualified ivars need to be emitted as // expressions. This actually works out to being atomic anyway, // except for ARC __strong, but that should trigger the above code. |