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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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11
lib/VMCore/Constants.cpp
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@@ -554,7 +554,10 @@ public:
return User::operator new(s, 3);
}
ShuffleVectorConstantExpr(Constant *C1, Constant *C2, Constant *C3)
: ConstantExpr(C1->getType(), Instruction::ShuffleVector,
: ConstantExpr(VectorType::get(
cast<VectorType>(C1->getType())->getElementType(),
cast<VectorType>(C3->getType())->getNumElements()),
Instruction::ShuffleVector,
&Op<0>(), 3) {
Op<0>() = C1;
Op<1>() = C2;
@@ -2349,7 +2352,11 @@ Constant *ConstantExpr::getShuffleVector(Constant *V1, Constant *V2,
Constant *Mask) {
assert(ShuffleVectorInst::isValidOperands(V1, V2, Mask) &&
"Invalid shuffle vector constant expr operands!");
return getShuffleVectorTy(V1->getType(), V1, V2, Mask);
unsigned NElts = cast<VectorType>(Mask->getType())->getNumElements();
const Type *EltTy = cast<VectorType>(V1->getType())->getElementType();
const Type *ShufTy = VectorType::get(EltTy, NElts);
return getShuffleVectorTy(ShufTy, V1, V2, Mask);
}
Constant *ConstantExpr::getInsertValueTy(const Type *ReqTy, Constant *Agg,