objective-c blocks: Consider padding due to alignment
after the fixed size block header when generating
captured block variable info. // rdar://12773256
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169285 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGBlocks.h b/lib/CodeGen/CGBlocks.h
index e63d4b6..0e40478 100644
--- a/lib/CodeGen/CGBlocks.h
+++ b/lib/CodeGen/CGBlocks.h
@@ -211,6 +211,14 @@
const BlockExpr *BlockExpression;
CharUnits BlockSize;
CharUnits BlockAlign;
+
+ // Offset of the gap caused by block header having a smaller
+ // alignment than the alignment of the block descriptor. This
+ // is the gap offset before the first capturued field.
+ CharUnits BlockHeaderForcedGapOffset;
+ // Gap size caused by aligning first field after block header.
+ // This could be zero if no forced alignment is required.
+ CharUnits BlockHeaderForcedGapSize;
/// An instruction which dominates the full-expression that the
/// block is inside.