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implement the rest of the instructions 

llvm-svn: 36699
This commit is contained in:
Chris Lattner 2007-05-03 22:04:19 +00:00
parent 2acc9769cc
commit 9f600c5d9d
1 changed files with 68 additions and 10 deletions
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78
llvm/lib/Bitcode/Reader/BitcodeReader.cpp
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@ -1328,17 +1328,75 @@ bool BitcodeReader::ParseFunctionBody(Function *F) {
I = new AllocaInst(Ty->getElementType(), Size, (1 << Align) >> 1);
break;
}
#if 0
case bitc::FUNC_CODE_INST_LOAD:
// LOAD: [opty, op, align, vol]
case bitc::FUNC_CODE_INST_STORE:
// STORE: [ptrty,val,ptr, align, vol]
case bitc::FUNC_CODE_INST_CALL:
// CALL: [fnty, fnid, arg0, arg1...]
case bitc::FUNC_CODE_INST_VAARG:
// VAARG: [valistty, valist, instty]
case bitc::FUNC_CODE_INST_LOAD: { // LOAD: [opty, op, align, vol]
if (Record.size() < 4)
return Error("Invalid LOAD record");
const Type *OpTy = getTypeByID(Record[0]);
Value *Op = getFnValueByID(Record[1], OpTy);
if (!OpTy || !Op)
return Error("Invalid LOAD record");
I = new LoadInst(Op, "", Record[3], (1 << Record[2]) >> 1);
break;
#endif
}
case bitc::FUNC_CODE_INST_STORE: { // STORE:[ptrty,val,ptr, align, vol]
if (Record.size() < 5)
return Error("Invalid LOAD record");
const Type *OpTy = getTypeByID(Record[0]);
Value *Op = getFnValueByID(Record[1], OpTy);
Value *Ptr = getFnValueByID(Record[2], PointerType::get(OpTy));
if (!OpTy || !Op || !Ptr)
return Error("Invalid STORE record");
I = new StoreInst(Op, Ptr, (1 << Record[3]) >> 1, Record[4]);
break;
}
case bitc::FUNC_CODE_INST_CALL: { // CALL: [fnty, fnid, arg0, arg1...]
if (Record.size() < 2)
return Error("Invalid CALL record");
const PointerType *OpTy =
dyn_cast_or_null<PointerType>(getTypeByID(Record[0]));
const FunctionType *FTy = 0;
if (OpTy) FTy = dyn_cast<FunctionType>(OpTy->getElementType());
Value *Callee = getFnValueByID(Record[1], OpTy);
if (!FTy || !Callee || Record.size() < FTy->getNumParams()+2)
return Error("Invalid CALL record");
SmallVector<Value*, 16> Args;
// Read the fixed params.
for (unsigned i = 0, e = FTy->getNumParams(); i != e; ++i) {
Args.push_back(getFnValueByID(Record[i+2], FTy->getParamType(i)));
if (Args.back() == 0) return Error("Invalid CALL record");
}
// Read type/value pairs for varargs params.
unsigned NextArg = FTy->getNumParams()+2;
if (!FTy->isVarArg()) {
if (NextArg != Record.size())
return Error("Invalid CALL record");
} else {
if ((Record.size()-NextArg) & 1)
return Error("Invalid CALL record");
for (unsigned e = Record.size(); NextArg != e; NextArg += 2) {
Args.push_back(getFnValueByID(Record[NextArg+1],
getTypeByID(Record[NextArg])));
if (Args.back() == 0) return Error("Invalid CALL record");
}
}
I = new CallInst(Callee, &Args[0], Args.size());
break;
}
case bitc::FUNC_CODE_INST_VAARG: { // VAARG: [valistty, valist, instty]
if (Record.size() < 3)
return Error("Invalid VAARG record");
const Type *OpTy = getTypeByID(Record[0]);
Value *Op = getFnValueByID(Record[1], OpTy);
const Type *ResTy = getTypeByID(Record[2]);
if (!OpTy || !Op || !ResTy)
return Error("Invalid VAARG record");
I = new VAArgInst(Op, ResTy);
break;
}
}
// Add instruction to end of current BB. If there is no current BB, reject