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Added support for the following definition of shufflevector

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<result> = shufflevector <n x <ty>> <v1>, <n x <ty>> <v2>, <m x i32> <mask> 



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58964 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Mon P Wang
2008-11-10 04:46:22 +00:00
parent a64f463fb9
commit aeb06d2462
12 changed files with 315 additions and 77 deletions
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21
lib/VMCore/Instructions.cpp
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@@ -1287,10 +1287,12 @@ ShuffleVectorInst::ShuffleVectorInst(const ShuffleVectorInst &SV)
ShuffleVectorInst::ShuffleVectorInst(Value *V1, Value *V2, Value *Mask,
const std::string &Name,
Instruction *InsertBefore)
: Instruction(V1->getType(), ShuffleVector,
OperandTraits<ShuffleVectorInst>::op_begin(this),
OperandTraits<ShuffleVectorInst>::operands(this),
InsertBefore) {
: Instruction(VectorType::get(cast<VectorType>(V1->getType())->getElementType(),
cast<VectorType>(Mask->getType())->getNumElements()),
ShuffleVector,
OperandTraits<ShuffleVectorInst>::op_begin(this),
OperandTraits<ShuffleVectorInst>::operands(this),
InsertBefore) {
assert(isValidOperands(V1, V2, Mask) &&
"Invalid shuffle vector instruction operands!");
Op<0>() = V1;
@@ -1300,7 +1302,7 @@ ShuffleVectorInst::ShuffleVectorInst(Value *V1, Value *V2, Value *Mask,
}
ShuffleVectorInst::ShuffleVectorInst(Value *V1, Value *V2, Value *Mask,
const std::string &Name,
const std::string &Name,
BasicBlock *InsertAtEnd)
: Instruction(V1->getType(), ShuffleVector,
OperandTraits<ShuffleVectorInst>::op_begin(this),
@@ -1315,17 +1317,14 @@ ShuffleVectorInst::ShuffleVectorInst(Value *V1, Value *V2, Value *Mask,
setName(Name);
}
bool ShuffleVectorInst::isValidOperands(const Value *V1, const Value *V2,
bool ShuffleVectorInst::isValidOperands(const Value *V1, const Value *V2,
const Value *Mask) {
if (!isa<VectorType>(V1->getType()) ||
V1->getType() != V2->getType())
if (!isa<VectorType>(V1->getType()) || V1->getType() != V2->getType())
return false;
const VectorType *MaskTy = dyn_cast<VectorType>(Mask->getType());
if (!isa<Constant>(Mask) || MaskTy == 0 ||
MaskTy->getElementType() != Type::Int32Ty ||
MaskTy->getNumElements() !=
cast<VectorType>(V1->getType())->getNumElements())
MaskTy->getElementType() != Type::Int32Ty)
return false;
return true;
}