Set field info for unions.
llvm-svn: 76856
diff --git a/clang/lib/CodeGen/CGRecordLayoutBuilder.cpp b/clang/lib/CodeGen/CGRecordLayoutBuilder.cpp
index 1631c43..fa096bd 100644
--- a/clang/lib/CodeGen/CGRecordLayoutBuilder.cpp
+++ b/clang/lib/CodeGen/CGRecordLayoutBuilder.cpp
@@ -151,6 +151,7 @@
const ASTRecordLayout &Layout = Types.getContext().getASTRecordLayout(D);
+ const FieldDecl *FD = 0;
const llvm::Type *Ty = 0;
uint64_t Size = 0;
unsigned Align = 0;
@@ -182,12 +183,21 @@
Ty = FieldTy;
Align = FieldAlign;
Size = FieldSize;
+ FD = *Field;
}
}
// Now add our field.
- if (Ty)
+ if (FD) {
AppendField(0, Size, Ty);
+ Types.addFieldInfo(FD, 0);
+
+ if (FD->isBitField()) {
+ uint64_t FieldSize =
+ FD->getBitWidth()->EvaluateAsInt(Types.getContext()).getZExtValue();
+ Types.addBitFieldInfo(FD, 0, FieldSize);
+ }
+ }
// Append tail padding.
if (Layout.getSize() / 8 > Size)