Implement support for a new LLVM 1.3 bytecode format, which uses uint's

to index into structure types and allows arbitrary 32- and 64-bit integer
types to index into sequential types.

llvm-svn: 12651

1 files changed, 7 insertions, 0 deletions

diff --git a/llvm/lib/Bytecode/Reader/ReaderInternals.h b/llvm/lib/Bytecode/Reader/ReaderInternals.h
index 86bf800ca6e..9e0ffc2c363 100644
--- a/llvm/lib/Bytecode/Reader/ReaderInternals.h
+++ b/llvm/lib/Bytecode/Reader/ReaderInternals.h
@@ -108,6 +108,13 @@ private:
   // int/sbyte/etc.
   bool hasExplicitPrimitiveZeros;
 
+  // Flags to control features specific the LLVM 1.2 and before (revision #1)
+
+  // LLVM 1.2 and earlier required that getelementptr structure indices were
+  // ubyte constants and that sequential type indices were longs.
+  bool hasRestrictedGEPTypes;
+
+
   typedef std::vector<ValueList*> ValueTable;
   ValueTable Values;
   ValueTable ModuleValues;