Eliminate a divide-by-8 in BuildVMIClassTypeInfo() by using CharUnits for

the base offset. No change in functionality intended.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@129179 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/CGRTTI.cpp b/lib/CodeGen/CGRTTI.cpp
index fb89f4ca0088a7c86b10d72b365d444cb130786c..b8d234f8a6249fc6a0d388be00e5535d21b398dc 100644 (file)
--- a/lib/CodeGen/CGRTTI.cpp
+++ b/lib/CodeGen/CGRTTI.cpp
@@ -877,15 +877,16 @@ void RTTIBuilder::BuildVMIClassTypeInfo(const CXXRecordDecl *RD) {
     // For a non-virtual base, this is the offset in the object of the base
     // subobject. For a virtual base, this is the offset in the virtual table of
     // the virtual base offset for the virtual base referenced (negative).
+    CharUnits Offset;
     if (Base->isVirtual())
-      OffsetFlags = 
-        CGM.getVTables().getVirtualBaseOffsetOffset(RD, BaseDecl).getQuantity();
+      Offset = 
+        CGM.getVTables().getVirtualBaseOffsetOffset(RD, BaseDecl);
     else {
       const ASTRecordLayout &Layout = CGM.getContext().getASTRecordLayout(RD);
-      OffsetFlags = Layout.getBaseClassOffsetInBits(BaseDecl) / 8;
+      Offset = Layout.getBaseClassOffset(BaseDecl);
     };
     
-    OffsetFlags <<= 8;
+    OffsetFlags = Offset.getQuantity() << 8;
     
     // The low-order byte of __offset_flags contains flags, as given by the 
     // masks from the enumeration __offset_flags_masks.