diff options
| author | Fariborz Jahanian <fjahanian@apple.com> | 2012-11-02 22:51:18 +0000 |
|---|---|---|
| committer | Fariborz Jahanian <fjahanian@apple.com> | 2012-11-02 22:51:18 +0000 |
| commit | 44fcff9ff40f400403dae57096040496a5ab3227 (patch) | |
| tree | e90dad2cf9de645ca0f781dd1befe5985a13f069 /lib/CodeGen/CGObjCMac.cpp | |
| parent | e50904f83b1b09bff487185dd823dfc8415cb300 (diff) | |
objective-C mrr block. Block variable layout metadata in
mrr mode.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167331 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/CGObjCMac.cpp')
| -rw-r--r-- | lib/CodeGen/CGObjCMac.cpp | 31 |
1 files changed, 26 insertions, 5 deletions
diff --git a/lib/CodeGen/CGObjCMac.cpp b/lib/CodeGen/CGObjCMac.cpp index 676f22ebc5..514f550ad4 100644 --- a/lib/CodeGen/CGObjCMac.cpp +++ b/lib/CodeGen/CGObjCMac.cpp @@ -942,6 +942,8 @@ protected: unsigned int BytePos, bool ForStrongLayout, bool &HasUnion); + Qualifiers::ObjCLifetime GetObjCLifeTime(QualType QT); + void UpdateRunSkipBlockVars(bool IsByref, Qualifiers::ObjCLifetime LifeTime, unsigned FieldOffset, @@ -1962,6 +1964,25 @@ llvm::Constant *CGObjCCommonMac::BuildGCBlockLayout(CodeGenModule &CGM, return C; } +Qualifiers::ObjCLifetime CGObjCCommonMac::GetObjCLifeTime(QualType FQT) { + if (CGM.getLangOpts().ObjCAutoRefCount) + return FQT.getObjCLifetime(); + + // MRR, is more ad hoc. + if (FQT.isObjCGCStrong()) + return Qualifiers::OCL_Strong; + if (FQT.isObjCGCWeak()) + return Qualifiers::OCL_Weak; + + if (FQT->isObjCObjectPointerType() || FQT->isBlockPointerType()) + return Qualifiers::OCL_Strong; + + if (const PointerType *PT = FQT->getAs<PointerType>()) + return (GetObjCLifeTime(PT->getPointeeType())); + + return Qualifiers::OCL_None; +} + void CGObjCCommonMac::UpdateRunSkipBlockVars(bool IsByref, Qualifiers::ObjCLifetime LifeTime, unsigned FieldOffset, @@ -2074,7 +2095,7 @@ void CGObjCCommonMac::BuildRCRecordLayout(const llvm::StructLayout *RecLayout, } } else { UpdateRunSkipBlockVars(false, - Field->getType().getObjCLifetime(), + GetObjCLifeTime(FQT), BytePos + FieldOffset, FieldSize); } @@ -2089,7 +2110,7 @@ void CGObjCCommonMac::BuildRCRecordLayout(const llvm::StructLayout *RecLayout, ((BitFieldSize % ByteSizeInBits) != 0); Size += LastBitfieldOrUnnamedOffset; UpdateRunSkipBlockVars(false, - LastFieldBitfieldOrUnnamed->getType().getObjCLifetime(), + GetObjCLifeTime(LastFieldBitfieldOrUnnamed->getType()), BytePos + LastBitfieldOrUnnamedOffset, Size*ByteSizeInBits); } else { @@ -2098,7 +2119,7 @@ void CGObjCCommonMac::BuildRCRecordLayout(const llvm::StructLayout *RecLayout, unsigned FieldSize = CGM.getContext().getTypeSize(LastFieldBitfieldOrUnnamed->getType()); UpdateRunSkipBlockVars(false, - LastFieldBitfieldOrUnnamed->getType().getObjCLifetime(), + GetObjCLifeTime(LastFieldBitfieldOrUnnamed->getType()), BytePos + LastBitfieldOrUnnamedOffset, FieldSize); } @@ -2106,7 +2127,7 @@ void CGObjCCommonMac::BuildRCRecordLayout(const llvm::StructLayout *RecLayout, if (MaxField) UpdateRunSkipBlockVars(false, - MaxField->getType().getObjCLifetime(), + GetObjCLifeTime(MaxField->getType()), BytePos + MaxFieldOffset, MaxUnionSize); } @@ -2274,7 +2295,7 @@ llvm::Constant *CGObjCCommonMac::BuildRCBlockLayout(CodeGenModule &CGM, } unsigned fieldSize = ci->isByRef() ? WordSizeInBits : CGM.getContext().getTypeSize(type); - UpdateRunSkipBlockVars(ci->isByRef(), type.getObjCLifetime(), + UpdateRunSkipBlockVars(ci->isByRef(), GetObjCLifeTime(type), fieldOffset, fieldSize); } |