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add a few more instructions, getting close

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36688 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2007-05-03 18:58:09 +00:00
parent 9570165ef0
commit 2a98ccabb4
1 changed files with 53 additions and 10 deletions
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63
lib/Bitcode/Reader/BitcodeReader.cpp
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@ -1178,7 +1178,8 @@ bool BitcodeReader::ParseFunctionBody(Function *F) {
if (Record.size() == 2) {
const Type *OpTy = getTypeByID(Record[0]);
Value *Op = getFnValueByID(Record[1], OpTy);
if (OpTy && Op);
if (!OpTy || !Op)
return Error("Invalid RET record");
I = new ReturnInst(Op);
break;
}
@ -1276,16 +1277,58 @@ bool BitcodeReader::ParseFunctionBody(Function *F) {
case bitc::FUNC_CODE_INST_UNREACHABLE: // UNREACHABLE
I = new UnreachableInst();
break;
case bitc::FUNC_CODE_INST_PHI: { // PHI: [ty, #ops, val0,bb0, ...]
if (Record.size() < 2 || Record.size() < 2+Record[1] || (Record[1]&1))
return Error("Invalid PHI record");
const Type *Ty = getTypeByID(Record[0]);
if (!Ty) return Error("Invalid PHI record");
PHINode *PN = new PHINode(Ty);
PN->reserveOperandSpace(Record[1]);
for (unsigned i = 0, e = Record[1]; i != e; i += 2) {
Value *V = getFnValueByID(Record[2+i], Ty);
BasicBlock *BB = getBasicBlock(Record[3+i]);
if (!V || !BB) return Error("Invalid PHI record");
PN->addIncoming(V, BB);
}
I = PN;
break;
}
case bitc::FUNC_CODE_INST_MALLOC: { // MALLOC: [instty, op, align]
if (Record.size() < 3)
return Error("Invalid MALLOC record");
const PointerType *Ty =
dyn_cast_or_null<PointerType>(getTypeByID(Record[0]));
Value *Size = getFnValueByID(Record[1], Type::Int32Ty);
unsigned Align = Record[2];
if (!Ty || !Size) return Error("Invalid MALLOC record");
I = new MallocInst(Ty->getElementType(), Size, (1 << Align) >> 1);
break;
}
case bitc::FUNC_CODE_INST_FREE: { // FREE: [opty, op]
if (Record.size() < 2)
return Error("Invalid FREE record");
const Type *OpTy = getTypeByID(Record[0]);
Value *Op = getFnValueByID(Record[1], OpTy);
if (!OpTy || !Op)
return Error("Invalid FREE record");
I = new FreeInst(Op);
break;
}
case bitc::FUNC_CODE_INST_ALLOCA: { // ALLOCA: [instty, op, align]
if (Record.size() < 3)
return Error("Invalid ALLOCA record");
const PointerType *Ty =
dyn_cast_or_null<PointerType>(getTypeByID(Record[0]));
Value *Size = getFnValueByID(Record[1], Type::Int32Ty);
unsigned Align = Record[2];
if (!Ty || !Size) return Error("Invalid ALLOCA record");
I = new AllocaInst(Ty->getElementType(), Size, (1 << Align) >> 1);
break;
}
#if 0
case bitc::FUNC_CODE_INST_PHI:
// PHI: [ty, #ops, val0,bb0, ...]
case bitc::FUNC_CODE_INST_MALLOC:
// MALLOC: [instty, op, align]
case bitc::FUNC_CODE_INST_FREE:
// FREE: [opty, op]
case bitc::FUNC_CODE_INST_ALLOCA:
// ALLOCA: [instty, op, align]
case bitc::FUNC_CODE_INST_LOAD:
// LOAD: [opty, op, align, vol]
case bitc::FUNC_CODE_INST_STORE: