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Add support for extern varargs methods & varargs method calls

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@297 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2001-07-25 22:47:55 +00:00
parent 8b81bf5046
commit e5a57ee363
9 changed files with 130 additions and 46 deletions
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56
lib/Bytecode/Reader/InstructionReader.cpp
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@ -196,30 +196,48 @@ bool BytecodeParser::ParseInstruction(const uchar *&Buf, const uchar *EndBuf,
Method *M = (Method*)getValue(Raw.Ty, Raw.Arg1);
if (M == 0) return true;
const MethodType::ParamTypes &PL = M->getMethodType()->getParamTypes();
MethodType::ParamTypes::const_iterator It = PL.begin();
vector<Value *> Params;
switch (Raw.NumOperands) {
case 0: cerr << "Invalid call instruction encountered!\n";
return true;
case 1: break;
case 2: Params.push_back(getValue(*It++, Raw.Arg2)); break;
case 3: Params.push_back(getValue(*It++, Raw.Arg2));
if (It == PL.end()) return true;
Params.push_back(getValue(*It++, Raw.Arg3)); break;
default:
Params.push_back(getValue(*It++, Raw.Arg2));
{
vector<unsigned> &args = *Raw.VarArgs;
for (unsigned i = 0; i < args.size(); i++) {
if (It == PL.end()) return true;
Params.push_back(getValue(*It++, args[i]));
const MethodType::ParamTypes &PL = M->getMethodType()->getParamTypes();
if (!M->getType()->isMethodType()->isVarArg()) {
MethodType::ParamTypes::const_iterator It = PL.begin();
switch (Raw.NumOperands) {
case 0: cerr << "Invalid call instruction encountered!\n";
return true;
case 1: break;
case 2: Params.push_back(getValue(*It++, Raw.Arg2)); break;
case 3: Params.push_back(getValue(*It++, Raw.Arg2));
if (It == PL.end()) return true;
Params.push_back(getValue(*It++, Raw.Arg3)); break;
default:
Params.push_back(getValue(*It++, Raw.Arg2));
{
vector<unsigned> &args = *Raw.VarArgs;
for (unsigned i = 0; i < args.size(); i++) {
if (It == PL.end()) return true;
// TODO: Check getValue for null!
Params.push_back(getValue(*It++, args[i]));
}
}
delete Raw.VarArgs;
}
if (It != PL.end()) return true;
} else {
// The first parameter does not have a type specifier... because there
// must be at least one concrete argument to a vararg type...
Params.push_back(getValue(PL.front(), Raw.Arg2));
vector<unsigned> &args = *Raw.VarArgs;
if ((args.size() & 1) != 0) return true; // Must be pairs of type/value
for (unsigned i = 0; i < args.size(); i+=2) {
Value *Ty = getValue(Type::TypeTy, args[i]);
if (!Ty) return true;
// TODO: Check getValue for null!
Params.push_back(getValue(Ty->castTypeAsserting(), args[i+1]));
}
delete Raw.VarArgs;
}
if (It != PL.end()) return true;
Res = new CallInst(M, Params);
return false;