unsigned ShiftAmt = SVOp->getMaskElt(i);
if (ShiftAmt < i) return -1;
- if (DAG.getTarget().getSubtargetImpl()->getDataLayout()->isLittleEndian()) {
-
- ShiftAmt += i;
-
- if (!isUnary) {
- // Check the rest of the elements to see if they are consecutive.
- for (++i; i != 16; ++i)
- if (!isConstantOrUndef(SVOp->getMaskElt(i), ShiftAmt - i))
- return -1;
- } else {
- // Check the rest of the elements to see if they are consecutive.
- for (++i; i != 16; ++i)
- if (!isConstantOrUndef(SVOp->getMaskElt(i), (ShiftAmt - i) & 15))
- return -1;
- }
-
- } else { // Big Endian
+ ShiftAmt -= i;
- ShiftAmt -= i;
-
- if (!isUnary) {
- // Check the rest of the elements to see if they are consecutive.
- for (++i; i != 16; ++i)
- if (!isConstantOrUndef(SVOp->getMaskElt(i), ShiftAmt+i))
- return -1;
- } else {
- // Check the rest of the elements to see if they are consecutive.
- for (++i; i != 16; ++i)
- if (!isConstantOrUndef(SVOp->getMaskElt(i), (ShiftAmt+i) & 15))
- return -1;
- }
+ if (!isUnary) {
+ // Check the rest of the elements to see if they are consecutive.
+ for (++i; i != 16; ++i)
+ if (!isConstantOrUndef(SVOp->getMaskElt(i), ShiftAmt+i))
+ return -1;
+ } else {
+ // Check the rest of the elements to see if they are consecutive.
+ for (++i; i != 16; ++i)
+ if (!isConstantOrUndef(SVOp->getMaskElt(i), (ShiftAmt+i) & 15))
+ return -1;
}
+
return ShiftAmt;
}
; CHECK: VSLDOI_xy:
%tmp = load <16 x i8>* %A
%tmp2 = load <16 x i8>* %B
- %tmp3 = shufflevector <16 x i8> %tmp, <16 x i8> %tmp2, <16 x i32> <i32 19, i32 18, i32 17, i32 16, i32 15, i32 14, i32 13, i32 12, i32 11, i32 10, i32 9, i32 8, i32 7, i32 6, i32 5, i32 4>
+ %tmp3 = shufflevector <16 x i8> %tmp, <16 x i8> %tmp2, <16 x i32> <i32 12, i32 13, i32 14, i32 15, i32 16, i32 17, i32 18, i32 19, i32 20, i32 21, i32 22, i32 23, i32 24, i32 25, i32 26, i32 27>
; CHECK: vsldoi
store <16 x i8> %tmp3, <16 x i8>* %A
ret void
entry:
; CHECK: VSLDOI_xx:
%tmp = load <16 x i8>* %A
- %tmp2 = shufflevector <16 x i8> %tmp, <16 x i8> %tmp, <16 x i32> <i32 3, i32 2, i32 1, i32 0, i32 15, i32 14, i32 13, i32 12, i32 11, i32 10, i32 9, i32 8, i32 7, i32 6, i32 5, i32 4>
+ %tmp2 = shufflevector <16 x i8> %tmp, <16 x i8> %tmp, <16 x i32> <i32 12, i32 13, i32 14, i32 15, i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11>
; CHECK: vsldoi
store <16 x i8> %tmp2, <16 x i8>* %A
ret void