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authorAnders Carlsson <andersca@mac.com>2010-05-03 00:29:58 +0000
committerAnders Carlsson <andersca@mac.com>2010-05-03 00:29:58 +0000
commit8246cc7f85a9b307900e9c05e7e1bb8a40b2b7a5 (patch)
treee2d8c90fff061ff67e7f48942a9dbaf02df957f7 /lib/CodeGen/CGClass.cpp
parent4235840554aaed11efd479df9e622dc82ab77e6d (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.cpp24
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;
}