diff options
Diffstat (limited to 'lib/Bytecode/Reader/Reader.h')
| -rw-r--r-- | lib/Bytecode/Reader/Reader.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/lib/Bytecode/Reader/Reader.h b/lib/Bytecode/Reader/Reader.h index ad8b2655b7..5e7a439d7d 100644 --- a/lib/Bytecode/Reader/Reader.h +++ b/lib/Bytecode/Reader/Reader.h @@ -293,8 +293,11 @@ private: /// features, for use in future versions of LLVM. bool hasNoDependentLibraries; - /// LLVM 1.2 and earlier encoded the file version as part of the module block - /// but this information may be needed to + /// LLVM 1.3 and earlier caused blocks and other fields to start on 32-bit + /// aligned boundaries. This can lead to as much as 30% bytecode size overhead + /// in various corner cases (lots of long instructions). In LLVM 1.4, + /// alignment of bytecode fields was done away with completely. + bool hasAlignment; /// CompactionTypes - If a compaction table is active in the current function, /// this is the mapping that it contains. We keep track of what resolved type |