%struct.int16x8_t = type { <8 x i16> }
%struct.int16x8x2_t = type { [2 x %struct.int16x8_t] }
-define arm_apcscc void @t(%struct.int16x8x2_t* noalias nocapture sret %agg.result, <8 x i16> %tmp.0, %struct.int16x8x2_t* nocapture %dst) nounwind {
+define void @t(%struct.int16x8x2_t* noalias nocapture sret %agg.result, <8 x i16> %tmp.0, %struct.int16x8x2_t* nocapture %dst) nounwind {
entry:
;CHECK: vtrn.16
%0 = shufflevector <8 x i16> %tmp.0, <8 x i16> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
%1 = shufflevector <8 x i16> %tmp.0, <8 x i16> undef, <8 x i32> <i32 1, i32 1, i32 3, i32 3, i32 5, i32 5, i32 7, i32 7>
- %agg.result1218.0 = getelementptr %struct.int16x8x2_t* %agg.result, i32 0, i32 0, i32 0, i32 0 ; <<8 x i16>*>
+ %agg.result1218.0 = getelementptr %struct.int16x8x2_t, %struct.int16x8x2_t* %agg.result, i32 0, i32 0, i32 0, i32 0 ; <<8 x i16>*>
store <8 x i16> %0, <8 x i16>* %agg.result1218.0, align 16
- %agg.result12.1.0 = getelementptr %struct.int16x8x2_t* %agg.result, i32 0, i32 0, i32 1, i32 0 ; <<8 x i16>*>
+ %agg.result12.1.0 = getelementptr %struct.int16x8x2_t, %struct.int16x8x2_t* %agg.result, i32 0, i32 0, i32 1, i32 0 ; <<8 x i16>*>
store <8 x i16> %1, <8 x i16>* %agg.result12.1.0, align 16
ret void
}
+
+; Radar 8290937: Ignore undef shuffle indices.
+; CHECK: t2
+; CHECK: vtrn.16
+define void @t2(%struct.int16x8x2_t* nocapture %ptr, <4 x i16> %a.0, <4 x i16> %b.0) nounwind {
+entry:
+ %0 = shufflevector <4 x i16> %a.0, <4 x i16> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 undef, i32 undef, i32 undef, i32 undef>
+ %1 = shufflevector <4 x i16> %a.0, <4 x i16> undef, <8 x i32> <i32 1, i32 1, i32 3, i32 3, i32 undef, i32 undef, i32 undef, i32 undef>
+ %ptr26.0 = getelementptr inbounds %struct.int16x8x2_t, %struct.int16x8x2_t* %ptr, i32 0, i32 0, i32 0, i32 0
+ store <8 x i16> %0, <8 x i16>* %ptr26.0, align 16
+ %ptr20.1.0 = getelementptr inbounds %struct.int16x8x2_t, %struct.int16x8x2_t* %ptr, i32 0, i32 0, i32 1, i32 0
+ store <8 x i16> %1, <8 x i16>* %ptr20.1.0, align 16
+ ret void
+}