diff options
Diffstat (limited to 'lib/CodeGen/CGClass.cpp')
| -rw-r--r-- | lib/CodeGen/CGClass.cpp | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/lib/CodeGen/CGClass.cpp b/lib/CodeGen/CGClass.cpp index 634d317747..d76279a54e 100644 --- a/lib/CodeGen/CGClass.cpp +++ b/lib/CodeGen/CGClass.cpp @@ -1373,6 +1373,7 @@ CodeGenFunction::GetVirtualBaseClassOffset(llvm::Value *This, void CodeGenFunction::InitializeVTablePointer(BaseSubobject Base, const CXXRecordDecl *NearestVBase, + uint64_t OffsetFromNearestVBase, llvm::Constant *VTable, const CXXRecordDecl *VTableClass) { const CXXRecordDecl *RD = Base.getBase(); @@ -1425,6 +1426,7 @@ CodeGenFunction::InitializeVTablePointer(BaseSubobject Base, void CodeGenFunction::InitializeVTablePointers(BaseSubobject Base, const CXXRecordDecl *NearestVBase, + uint64_t OffsetFromNearestVBase, bool BaseIsNonVirtualPrimaryBase, llvm::Constant *VTable, const CXXRecordDecl *VTableClass, @@ -1433,7 +1435,8 @@ CodeGenFunction::InitializeVTablePointers(BaseSubobject Base, // been set. if (!BaseIsNonVirtualPrimaryBase) { // Initialize the vtable pointer for this base. - InitializeVTablePointer(Base, NearestVBase, VTable, VTableClass); + InitializeVTablePointer(Base, NearestVBase, OffsetFromNearestVBase, + VTable, VTableClass); } const CXXRecordDecl *RD = Base.getBase(); @@ -1449,6 +1452,7 @@ CodeGenFunction::InitializeVTablePointers(BaseSubobject Base, continue; uint64_t BaseOffset; + uint64_t BaseOffsetFromNearestVBase; bool BaseDeclIsNonVirtualPrimaryBase; if (I->isVirtual()) { @@ -1460,16 +1464,20 @@ CodeGenFunction::InitializeVTablePointers(BaseSubobject Base, getContext().getASTRecordLayout(VTableClass); BaseOffset = Layout.getVBaseClassOffset(BaseDecl); + BaseOffsetFromNearestVBase = 0; BaseDeclIsNonVirtualPrimaryBase = false; } else { const ASTRecordLayout &Layout = getContext().getASTRecordLayout(RD); BaseOffset = Base.getBaseOffset() + Layout.getBaseClassOffset(BaseDecl); + BaseOffsetFromNearestVBase = + BaseOffsetFromNearestVBase + Layout.getBaseClassOffset(BaseDecl); BaseDeclIsNonVirtualPrimaryBase = Layout.getPrimaryBase() == BaseDecl; } InitializeVTablePointers(BaseSubobject(BaseDecl, BaseOffset), I->isVirtual() ? BaseDecl : NearestVBase, + BaseOffsetFromNearestVBase, BaseDeclIsNonVirtualPrimaryBase, VTable, VTableClass, VBases); } @@ -1486,6 +1494,7 @@ void CodeGenFunction::InitializeVTablePointers(const CXXRecordDecl *RD) { // Initialize the vtable pointers for this class and all of its bases. VisitedVirtualBasesSetTy VBases; InitializeVTablePointers(BaseSubobject(RD, 0), /*NearestVBase=*/0, + /*OffsetFromNearestVBase=*/0, /*BaseIsNonVirtualPrimaryBase=*/false, VTable, RD, VBases); } |