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[X86] Add assert to ensure only 128-bit vector types are used. 256 or 512-bit would require lane handling which is missing. 

llvm-svn: 273542
This commit is contained in:
Craig Topper 2016-06-23 07:37:26 +00:00
parent 47867200a2
commit 8f8bd37dd3
1 changed files with 2 additions and 0 deletions
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2
llvm/lib/Target/X86/X86ISelLowering.cpp
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@ -4684,6 +4684,7 @@ static SDValue getOnesVector(EVT VT, const X86Subtarget &Subtarget,
/// Returns a vector_shuffle node for an unpackl operation.
static SDValue getUnpackl(SelectionDAG &DAG, const SDLoc &dl, MVT VT,
SDValue V1, SDValue V2) {
assert(VT.is128BitVector() && "Expected a 128-bit vector type");
unsigned NumElems = VT.getVectorNumElements();
SmallVector<int, 8> Mask(NumElems);
for (unsigned i = 0, e = NumElems/2; i != e; ++i) {
@ -4696,6 +4697,7 @@ static SDValue getUnpackl(SelectionDAG &DAG, const SDLoc &dl, MVT VT,
/// Returns a vector_shuffle node for an unpackh operation.
static SDValue getUnpackh(SelectionDAG &DAG, const SDLoc &dl, MVT VT,
SDValue V1, SDValue V2) {
assert(VT.is128BitVector() && "Expected a 128-bit vector type");
unsigned NumElems = VT.getVectorNumElements();
SmallVector<int, 8> Mask(NumElems);
for (unsigned i = 0, Half = NumElems/2; i != Half; ++i) {