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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12651 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2004-04-05 01:27:26 +00:00
parent 68056127bb
commit 5fa428fda9
6 changed files with 191 additions and 87 deletions

View File

@ -647,12 +647,10 @@ void BytecodeParser::ParseVersionInfo(const unsigned char *&Buf,
// Default values for the current bytecode version
hasInconsistentModuleGlobalInfo = false;
hasExplicitPrimitiveZeros = false;
hasRestrictedGEPTypes = false;
switch (RevisionNum) {
case 0: // LLVM 1.0, 1.1 release version
// Compared to rev #2, we added support for weak linkage, a more dense
// encoding, and better varargs support.
// Base LLVM 1.0 bytecode format.
hasInconsistentModuleGlobalInfo = true;
hasExplicitPrimitiveZeros = true;
@ -663,6 +661,13 @@ void BytecodeParser::ParseVersionInfo(const unsigned char *&Buf,
// Also, it fixed the problem where the size of the ModuleGlobalInfo block
// included the size for the alignment at the end, where the rest of the
// blocks did not.
// LLVM 1.2 and before required that GEP indices be ubyte constants for
// structures and longs for sequential types.
hasRestrictedGEPTypes = true;
// FALL THROUGH
case 2: // LLVM 1.3 release version
break;
default: