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add reader support for a bunch of new instructions

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36641 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2007-05-02 05:16:49 +00:00
parent 231cbcb35b
commit 01ff65fb39
1 changed files with 90 additions and 14 deletions
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104
lib/Bitcode/Reader/BitcodeReader.cpp
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@ -150,6 +150,9 @@ Value *BitcodeReaderValueList::getValueFwdRef(unsigned Idx, const Type *Ty) {
return V;
}
// No type specified, must be invalid reference.
if (Ty == 0) return 0;
// Create and return a placeholder, which will later be RAUW'd.
Value *V = new Argument(Ty);
Uses[Idx].init(V, this);
@ -1079,21 +1082,94 @@ bool BitcodeReader::ParseFunctionBody(Function *F) {
I = CastInst::create((Instruction::CastOps)Opc, Op, ResTy);
break;
}
#if 0
case bitc::FUNC_CODE_INST_GEP:
// GEP: [n, n x operands]
case bitc::FUNC_CODE_INST_SELECT:
// SELECT: [ty, opval, opval, opval]
case bitc::FUNC_CODE_INST_EXTRACTELT:
// EXTRACTELT: [opty, opval, opval]
case bitc::FUNC_CODE_INST_INSERTELT:
// INSERTELT: [ty, opval, opval, opval]
case bitc::FUNC_CODE_INST_SHUFFLEVEC:
// SHUFFLEVEC: [ty, opval, opval, opval]
case bitc::FUNC_CODE_INST_CMP:
// CMP: [opty, opval, opval, pred]
#endif
case bitc::FUNC_CODE_INST_GEP: { // GEP: [n, n x operands]
if (Record.size() < 2 || (Record.size() & 1))
return Error("Invalid GEP record");
const Type *OpTy = getTypeByID(Record[0]);
Value *Op = getFnValueByID(Record[1], OpTy);
if (OpTy == 0 || Op == 0)
return Error("Invalid GEP record");
SmallVector<Value*, 8> GEPIdx;
for (unsigned i = 1, e = Record.size()/2; i != e; ++i) {
const Type *IdxTy = getTypeByID(Record[i*2]);
Value *Idx = getFnValueByID(Record[i*2+1], IdxTy);
if (IdxTy == 0 || Idx == 0)
return Error("Invalid GEP record");
GEPIdx.push_back(Idx);
}
I = new GetElementPtrInst(Op, &GEPIdx[0], GEPIdx.size());
break;
}
case bitc::FUNC_CODE_INST_SELECT: { // SELECT: [ty, opval, opval, opval]
if (Record.size() < 4) return Error("Invalid SELECT record");
const Type *Ty = getTypeByID(Record[0]);
Value *Cond = getFnValueByID(Record[1], Type::Int1Ty);
Value *LHS = getFnValueByID(Record[2], Ty);
Value *RHS = getFnValueByID(Record[3], Ty);
if (Ty == 0 || Cond == 0 || LHS == 0 || RHS == 0)
return Error("Invalid SELECT record");
I = new SelectInst(Cond, LHS, RHS);
break;
}
case bitc::FUNC_CODE_INST_EXTRACTELT: { // EXTRACTELT: [opty, opval, opval]
if (Record.size() < 3) return Error("Invalid EXTRACTELT record");
const Type *OpTy = getTypeByID(Record[0]);
Value *Vec = getFnValueByID(Record[1], OpTy);
Value *Idx = getFnValueByID(Record[2], Type::Int32Ty);
if (OpTy == 0 || Vec == 0 || Idx == 0)
return Error("Invalid EXTRACTELT record");
I = new ExtractElementInst(Vec, Idx);
break;
}
case bitc::FUNC_CODE_INST_INSERTELT: { // INSERTELT: [ty, opval,opval,opval]
if (Record.size() < 4) return Error("Invalid INSERTELT record");
const VectorType *OpTy =
dyn_cast_or_null<VectorType>(getTypeByID(Record[0]));
if (OpTy == 0) return Error("Invalid INSERTELT record");
Value *Vec = getFnValueByID(Record[1], OpTy);
Value *Elt = getFnValueByID(Record[2], OpTy->getElementType());
Value *Idx = getFnValueByID(Record[3], Type::Int32Ty);
if (Vec == 0 || Elt == 0 || Idx == 0)
return Error("Invalid INSERTELT record");
I = new InsertElementInst(Vec, Elt, Idx);
break;
}
case bitc::FUNC_CODE_INST_SHUFFLEVEC: {// SHUFFLEVEC: [ty,opval,opval,opval]
if (Record.size() < 4) return Error("Invalid SHUFFLEVEC record");
const VectorType *OpTy =
dyn_cast_or_null<VectorType>(getTypeByID(Record[0]));
if (OpTy == 0) return Error("Invalid SHUFFLEVEC record");
Value *Vec1 = getFnValueByID(Record[1], OpTy);
Value *Vec2 = getFnValueByID(Record[2], OpTy);
Value *Mask = getFnValueByID(Record[3],
VectorType::get(Type::Int32Ty,
OpTy->getNumElements()));
if (Vec1 == 0 || Vec2 == 0 || Mask == 0)
return Error("Invalid SHUFFLEVEC record");
I = new ShuffleVectorInst(Vec1, Vec2, Mask);
break;
}
case bitc::FUNC_CODE_INST_CMP: { // CMP: [opty, opval, opval, pred]
if (Record.size() < 4) return Error("Invalid CMP record");
const Type *OpTy = getTypeByID(Record[0]);
Value *LHS = getFnValueByID(Record[1], OpTy);
Value *RHS = getFnValueByID(Record[2], OpTy);
if (OpTy == 0 || LHS == 0 || RHS == 0)
return Error("Invalid CMP record");
if (OpTy->isFPOrFPVector())
I = new FCmpInst((FCmpInst::Predicate)Record[3], LHS, RHS);
else
I = new ICmpInst((ICmpInst::Predicate)Record[3], LHS, RHS);
break;
}
case bitc::FUNC_CODE_INST_RET: // RET: [opty,opval<optional>]
if (Record.size() == 0) {
I = new ReturnInst();