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Add suppport for ConstantExprs of shufflevectors whose result type is not equal to the

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type of the vectors being shuffled.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64401 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nate Begeman
2009-02-12 21:28:33 +00:00
parent 78e3e521cd
commit 0f123cf732
5 changed files with 48 additions and 5 deletions
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14
lib/Bitcode/Reader/BitcodeReader.cpp
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@ -933,7 +933,7 @@ bool BitcodeReader::ParseConstants() {
case bitc::CST_CODE_CE_SHUFFLEVEC: { // CE_SHUFFLEVEC: [opval, opval, opval]
const VectorType *OpTy = dyn_cast<VectorType>(CurTy);
if (Record.size() < 3 || OpTy == 0)
return Error("Invalid CE_INSERTELT record");
return Error("Invalid CE_SHUFFLEVEC record");
Constant *Op0 = ValueList.getConstantFwdRef(Record[0], OpTy);
Constant *Op1 = ValueList.getConstantFwdRef(Record[1], OpTy);
const Type *ShufTy=VectorType::get(Type::Int32Ty, OpTy->getNumElements());
@ -941,6 +941,18 @@ bool BitcodeReader::ParseConstants() {
V = ConstantExpr::getShuffleVector(Op0, Op1, Op2);
break;
}
case bitc::CST_CODE_CE_SHUFVEC_EX: { // [opty, opval, opval, opval]
const VectorType *RTy = dyn_cast<VectorType>(CurTy);
const VectorType *OpTy = dyn_cast<VectorType>(getTypeByID(Record[0]));
if (Record.size() < 4 || RTy == 0 || OpTy == 0)
return Error("Invalid CE_SHUFVEC_EX record");
Constant *Op0 = ValueList.getConstantFwdRef(Record[1], OpTy);
Constant *Op1 = ValueList.getConstantFwdRef(Record[2], OpTy);
const Type *ShufTy=VectorType::get(Type::Int32Ty, RTy->getNumElements());
Constant *Op2 = ValueList.getConstantFwdRef(Record[3], ShufTy);
V = ConstantExpr::getShuffleVector(Op0, Op1, Op2);
break;
}
case bitc::CST_CODE_CE_CMP: { // CE_CMP: [opty, opval, opval, pred]
if (Record.size() < 4) return Error("Invalid CE_CMP record");
const Type *OpTy = getTypeByID(Record[0]);