diff options
Diffstat (limited to 'clang/lib/CodeGen/CGObjCMac.cpp')
| -rw-r--r-- | clang/lib/CodeGen/CGObjCMac.cpp | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/clang/lib/CodeGen/CGObjCMac.cpp b/clang/lib/CodeGen/CGObjCMac.cpp index 3a35ea4125a..0d6dd6aa776 100644 --- a/clang/lib/CodeGen/CGObjCMac.cpp +++ b/clang/lib/CodeGen/CGObjCMac.cpp @@ -1879,17 +1879,20 @@ llvm::Function *CGObjCCommonMac::GenerateMethod(const ObjCMethodDecl *OMD, uint64_t CGObjCCommonMac::GetIvarBaseOffset(const llvm::StructLayout *Layout, const FieldDecl *Field) { if (!Field->isBitField()) - return Layout->getElementOffset( - CGM.getTypes().getLLVMFieldNo(Field)); + return Layout->getElementOffset(CGM.getTypes().getLLVMFieldNo(Field)); + // FIXME. Must be a better way of getting a bitfield base offset. - uint64_t offset = CGM.getTypes().getLLVMFieldNo(Field); - const llvm::Type *Ty = CGM.getTypes().ConvertTypeForMemRecursive(Field->getType()); - uint64_t size = CGM.getTypes().getTargetData().getTypePaddedSizeInBits(Ty); - offset = (offset*size)/8; - return offset; + CodeGenTypes::BitFieldInfo BFI = CGM.getTypes().getBitFieldInfo(Field); + // FIXME: The "field no" for bitfields is something completely + // different; it is the offset in multiples of the base type size! + uint64_t Offset = CGM.getTypes().getLLVMFieldNo(Field); + const llvm::Type *Ty = + CGM.getTypes().ConvertTypeForMemRecursive(Field->getType()); + Offset *= CGM.getTypes().getTargetData().getTypePaddedSizeInBits(Ty); + return (Offset + BFI.Begin) / 8; } -/// GetFieldBaseOffset - return's field byt offset. +/// GetFieldBaseOffset - return the field's byte offset. uint64_t CGObjCCommonMac::GetFieldBaseOffset(const ObjCInterfaceDecl *OI, const llvm::StructLayout *Layout, const FieldDecl *Field) { @@ -4580,8 +4583,8 @@ llvm::Constant *CGObjCNonFragileABIMac::EmitIvarList( for (RecordDecl::field_iterator e = RD->field_end(CGM.getContext()); i != e; ++i) { FieldDecl *Field = *i; - uint64_t offset = GetIvarBaseOffset(Layout, Field); - Ivar[0] = EmitIvarOffsetVar(ID->getClassInterface(), OIvars[iv++], offset); + Ivar[0] = EmitIvarOffsetVar(ID->getClassInterface(), OIvars[iv++], + GetIvarBaseOffset(Layout, Field)); if (Field->getIdentifier()) Ivar[1] = GetMethodVarName(Field->getIdentifier()); else |
