Debug info: Use DW_OP_bit_piece instead of DW_OP_piece in the

intermediate representation. This
- increases consistency by using the same granularity everywhere
- allows for pieces < 1 byte
- DW_OP_piece didn't actually allow storing an offset.

Part of PR22495.

llvm-svn: 228631

1 files changed, 3 insertions, 3 deletions

diff --git a/llvm/lib/IR/DIBuilder.cpp b/llvm/lib/IR/DIBuilder.cpp
index a1af40546b7..9649d773d5a 100644
--- a/llvm/lib/IR/DIBuilder.cpp
+++ b/llvm/lib/IR/DIBuilder.cpp
@@ -961,9 +961,9 @@ DIExpression DIBuilder::createExpression(ArrayRef<int64_t> Signed) {
   return createExpression(Addr);
 }
 
-DIExpression DIBuilder::createPieceExpression(unsigned OffsetInBytes,
-                                              unsigned SizeInBytes) {
-  uint64_t Addr[] = {dwarf::DW_OP_piece, OffsetInBytes, SizeInBytes};
+DIExpression DIBuilder::createBitPieceExpression(unsigned OffsetInBits,
+                                                 unsigned SizeInBits) {
+  int64_t Addr[] = {dwarf::DW_OP_bit_piece, OffsetInBits, SizeInBits};
   return createExpression(Addr);
 }