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Add shufflevector reading support

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llvm-svn: 27509
This commit is contained in:
Chris Lattner 2006-04-08 01:17:59 +00:00
parent eb990aaaf6
commit 4bd21d8de2
1 changed files with 22 additions and 0 deletions
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22
lib/Bytecode/Reader/Reader.cpp
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@ -734,6 +734,20 @@ void BytecodeReader::ParseInstruction(std::vector<unsigned> &Oprnds,
getValue(Type::UIntTyID, Oprnds[2]));
break;
}
case Instruction::ShuffleVector: {
const PackedType *PackedTy = dyn_cast<PackedType>(InstTy);
if (!PackedTy || Oprnds.size() != 3)
throw std::string("Invalid shufflevector instruction!");
Value *V1 = getValue(iType, Oprnds[0]);
Value *V2 = getValue(iType, Oprnds[1]);
const PackedType *EltTy =
PackedType::get(Type::UIntTy, PackedTy->getNumElements());
Value *V3 = getValue(getTypeSlot(EltTy), Oprnds[2]);
if (!ShuffleVectorInst::isValidOperands(V1, V2, V3))
throw std::string("Invalid shufflevector instruction!");
Result = new ShuffleVectorInst(V1, V2, V3);
break;
}
case Instruction::Cast:
Result = new CastInst(getValue(iType, Oprnds[0]),
getSanitizedType(Oprnds[1]));
@ -1493,6 +1507,14 @@ Value *BytecodeReader::ParseConstantPoolValue(unsigned TypeID) {
ConstantExpr::getInsertElement(ArgVec[0], ArgVec[1], ArgVec[2]);
if (Handler) Handler->handleConstantExpression(Opcode, ArgVec, Result);
return Result;
} else if (Opcode == Instruction::ShuffleVector) {
if (ArgVec.size() != 3 ||
!ShuffleVectorInst::isValidOperands(ArgVec[0], ArgVec[1], ArgVec[2]))
error("shufflevector constant expr must have three arguments.");
Constant *Result =
ConstantExpr::getShuffleVector(ArgVec[0], ArgVec[1], ArgVec[2]);
if (Handler) Handler->handleConstantExpression(Opcode, ArgVec, Result);
return Result;
} else { // All other 2-operand expressions
Constant* Result = ConstantExpr::get(Opcode, ArgVec[0], ArgVec[1]);
if (Handler) Handler->handleConstantExpression(Opcode, ArgVec, Result);