From 7199fd532c5155be153605e49c92ff8a804d01c7 Mon Sep 17 00:00:00 2001
From: Adrian Prantl <aprantl@apple.com>
Date: Wed, 12 Feb 2014 19:34:44 +0000
Subject: Debug info: Bugfix for r201190: DW_OP_piece takes bytes, not bits.
 rdar://problem/16015314

llvm-svn: 201253
---
 llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp')

diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
index a6bae16b694..68a346887a4 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
@@ -470,8 +470,9 @@ void DwarfUnit::addRegisterOp(DIEBlock *TheDie, unsigned Reg) {
       addUInt(TheDie, dwarf::DW_FORM_data1, Size);
       addUInt(TheDie, dwarf::DW_FORM_data1, Offset);
     } else {
+      unsigned ByteSize = Size / 8; // Assuming 8 bits per byte.
       addUInt(TheDie, dwarf::DW_FORM_data1, dwarf::DW_OP_piece);
-      addUInt(TheDie, dwarf::DW_FORM_data1, Size);
+      addUInt(TheDie, dwarf::DW_FORM_data1, ByteSize);
     }
   }
 }
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