6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-06-21 18:24:23 +00:00
Code Issues Projects Releases Wiki Activity

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

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

15
lib/Bytecode/Reader/ConstantReader.cpp
View File

@ -15,6 +15,7 @@
#include "ReaderInternals.h"
#include "llvm/Module.h"
#include "llvm/Constants.h"
#include "llvm/Support/GetElementPtrTypeIterator.h"
#include <algorithm>
using namespace llvm;
@ -164,6 +165,20 @@ Constant *BytecodeParser::parseConstantValue(const unsigned char *&Buf,
return ConstantExpr::getCast(ArgVec[0], getType(TypeID));
} else if (Opcode == Instruction::GetElementPtr) { // GetElementPtr
std::vector<Constant*> IdxList(ArgVec.begin()+1, ArgVec.end());
if (hasRestrictedGEPTypes) {
const Type *BaseTy = ArgVec[0]->getType();
generic_gep_type_iterator<std::vector<Constant*>::iterator>
GTI = gep_type_begin(BaseTy, IdxList.begin(), IdxList.end()),
E = gep_type_end(BaseTy, IdxList.begin(), IdxList.end());
for (unsigned i = 0; GTI != E; ++GTI, ++i)
if (isa<StructType>(*GTI)) {
if (IdxList[i]->getType() != Type::UByteTy)
throw std::string("Invalid index for getelementptr!");
IdxList[i] = ConstantExpr::getCast(IdxList[i], Type::UIntTy);
}
}
return ConstantExpr::getGetElementPtr(ArgVec[0], IdxList);
} else if (Opcode == Instruction::Select) {
assert(ArgVec.size() == 3);