return Insert(new ShuffleVectorInst(V1, V2, Mask), Name);
}
+ /// Create a unary shuffle. The second vector operand of the IR instruction
+ /// is undefined.
+ Value *CreateShuffleVector(Value *V, ArrayRef<int> Mask,
+ const Twine &Name = "") {
+ return CreateShuffleVector(V, UndefValue::get(V->getType()), Mask, Name);
+ }
+
Value *CreateExtractValue(Value *Agg,
ArrayRef<unsigned> Idxs,
const Twine &Name = "") {
SmallVector<int, 16> Mask(OutputNumElts, UndefMaskElem);
for (unsigned i = 0; i < OutputNumElts && i < MinVecNumElts; ++i)
Mask[i] = i;
- VecLd = Builder.CreateShuffleVector(VecLd, UndefValue::get(MinVecTy), Mask);
+ VecLd = Builder.CreateShuffleVector(VecLd, Mask);
}
replaceValue(I, *VecLd);
++NumVecLoad;
auto *VecTy = cast<FixedVectorType>(Vec->getType());
SmallVector<int, 32> ShufMask(VecTy->getNumElements(), UndefMaskElem);
ShufMask[NewIndex] = OldIndex;
- Value *Undef = UndefValue::get(VecTy);
- return Builder.CreateShuffleVector(Vec, Undef, ShufMask, "shift");
+ return Builder.CreateShuffleVector(Vec, ShufMask, "shift");
}
/// Given an extract element instruction with constant index operand, shuffle
// bitcast (shuf V, MaskC) --> shuf (bitcast V), MaskC'
++NumShufOfBitcast;
Value *CastV = Builder.CreateBitCast(V, DestTy);
- Value *Shuf =
- Builder.CreateShuffleVector(CastV, UndefValue::get(DestTy), NewMask);
+ Value *Shuf = Builder.CreateShuffleVector(CastV, NewMask);
replaceValue(I, *Shuf);
return true;
}