diff options
author | Anders Carlsson <andersca@mac.com> | 2010-05-03 00:29:58 +0000 |
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committer | Anders Carlsson <andersca@mac.com> | 2010-05-03 00:29:58 +0000 |
commit | 8246cc7f85a9b307900e9c05e7e1bb8a40b2b7a5 (patch) | |
tree | e2d8c90fff061ff67e7f48942a9dbaf02df957f7 /lib/CodeGen/CGClass.cpp | |
parent | 4235840554aaed11efd479df9e622dc82ab77e6d (diff) |
Get rid of the last caller of OldGetAddressOfBaseClass.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102888 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/CGClass.cpp')
-rw-r--r-- | lib/CodeGen/CGClass.cpp | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/lib/CodeGen/CGClass.cpp b/lib/CodeGen/CGClass.cpp index d76279a54e..a070b7f55e 100644 --- a/lib/CodeGen/CGClass.cpp +++ b/lib/CodeGen/CGClass.cpp @@ -1402,19 +1402,27 @@ CodeGenFunction::InitializeVTablePointer(BaseSubobject Base, } // Compute where to store the address point. - llvm::Value *VTableField; + llvm::Value *VirtualOffset = 0; + uint64_t NonVirtualOffset = 0; if (CodeGenVTables::needsVTTParameter(CurGD) && NearestVBase) { // We need to use the virtual base offset offset because the virtual base // might have a different offset in the most derived class. - VTableField = OldGetAddressOfBaseClass(LoadCXXThis(), VTableClass, RD); + VirtualOffset = GetVirtualBaseClassOffset(LoadCXXThis(), VTableClass, + NearestVBase); + NonVirtualOffset = OffsetFromNearestVBase / 8; } else { - const llvm::Type *Int8PtrTy = llvm::Type::getInt8PtrTy(CGM.getLLVMContext()); - - VTableField = Builder.CreateBitCast(LoadCXXThis(), Int8PtrTy); - VTableField = - Builder.CreateConstInBoundsGEP1_64(VTableField, Base.getBaseOffset() / 8); + // We can just use the base offset in the complete class. + NonVirtualOffset = Base.getBaseOffset() / 8; } + + // Apply the offsets. + llvm::Value *VTableField = LoadCXXThis(); + + if (NonVirtualOffset || VirtualOffset) + VTableField = ApplyNonVirtualAndVirtualOffset(*this, VTableField, + NonVirtualOffset, + VirtualOffset); // Finally, store the address point. const llvm::Type *AddressPointPtrTy = @@ -1471,7 +1479,7 @@ CodeGenFunction::InitializeVTablePointers(BaseSubobject Base, BaseOffset = Base.getBaseOffset() + Layout.getBaseClassOffset(BaseDecl); BaseOffsetFromNearestVBase = - BaseOffsetFromNearestVBase + Layout.getBaseClassOffset(BaseDecl); + OffsetFromNearestVBase + Layout.getBaseClassOffset(BaseDecl); BaseDeclIsNonVirtualPrimaryBase = Layout.getPrimaryBase() == BaseDecl; } |