ret <4 x double> %s
}
+define <4 x half> @shuffle_v8f16_to_vslidedown_1(<8 x half> %x) {
+; CHECK-LABEL: shuffle_v8f16_to_vslidedown_1:
+; CHECK: # %bb.0: # %entry
+; CHECK-NEXT: vsetivli zero, 3, e16, mf2, ta, ma
+; CHECK-NEXT: vslidedown.vi v9, v8, 1
+; CHECK-NEXT: vsetivli zero, 4, e16, m1, ta, ma
+; CHECK-NEXT: vslidedown.vi v8, v8, 4
+; CHECK-NEXT: vsetivli zero, 4, e16, mf2, tu, ma
+; CHECK-NEXT: vslideup.vi v9, v8, 3
+; CHECK-NEXT: vmv1r.v v8, v9
+; CHECK-NEXT: ret
+entry:
+ %s = shufflevector <8 x half> %x, <8 x half> poison, <4 x i32> <i32 1, i32 2, i32 3, i32 4>
+ ret <4 x half> %s
+}
+
+define <4 x half> @shuffle_v8f16_to_vslidedown_3(<8 x half> %x) {
+; CHECK-LABEL: shuffle_v8f16_to_vslidedown_3:
+; CHECK: # %bb.0: # %entry
+; CHECK-NEXT: vsetivli zero, 1, e16, mf2, ta, ma
+; CHECK-NEXT: vslidedown.vi v9, v8, 3
+; CHECK-NEXT: vsetivli zero, 4, e16, m1, ta, ma
+; CHECK-NEXT: vslidedown.vi v8, v8, 4
+; CHECK-NEXT: vsetivli zero, 4, e16, mf2, tu, ma
+; CHECK-NEXT: vslideup.vi v9, v8, 1
+; CHECK-NEXT: vmv1r.v v8, v9
+; CHECK-NEXT: ret
+entry:
+ %s = shufflevector <8 x half> %x, <8 x half> poison, <4 x i32> <i32 3, i32 4, i32 5, i32 6>
+ ret <4 x half> %s
+}
+
+define <2 x float> @shuffle_v4f32_to_vslidedown(<4 x float> %x) {
+; CHECK-LABEL: shuffle_v4f32_to_vslidedown:
+; CHECK: # %bb.0: # %entry
+; CHECK-NEXT: vsetivli zero, 1, e32, mf2, ta, ma
+; CHECK-NEXT: vslidedown.vi v9, v8, 1
+; CHECK-NEXT: vsetivli zero, 2, e32, m1, ta, ma
+; CHECK-NEXT: vslidedown.vi v8, v8, 2
+; CHECK-NEXT: vsetivli zero, 2, e32, mf2, tu, ma
+; CHECK-NEXT: vslideup.vi v9, v8, 1
+; CHECK-NEXT: vmv1r.v v8, v9
+; CHECK-NEXT: ret
+entry:
+ %s = shufflevector <4 x float> %x, <4 x float> poison, <2 x i32> <i32 1, i32 2>
+ ret <2 x float> %s
+}
+
define <4 x half> @slidedown_v4f16(<4 x half> %x) {
; CHECK-LABEL: slidedown_v4f16:
; CHECK: # %bb.0:
ret <8 x i64> %s
}
+define <4 x i16> @shuffle_v8i16_to_vslidedown_1(<8 x i16> %x) {
+; CHECK-LABEL: shuffle_v8i16_to_vslidedown_1:
+; CHECK: # %bb.0: # %entry
+; CHECK-NEXT: vsetivli zero, 3, e16, mf2, ta, ma
+; CHECK-NEXT: vslidedown.vi v9, v8, 1
+; CHECK-NEXT: vsetivli zero, 4, e16, m1, ta, ma
+; CHECK-NEXT: vslidedown.vi v8, v8, 4
+; CHECK-NEXT: vsetivli zero, 4, e16, mf2, tu, ma
+; CHECK-NEXT: vslideup.vi v9, v8, 3
+; CHECK-NEXT: vmv1r.v v8, v9
+; CHECK-NEXT: ret
+entry:
+ %s = shufflevector <8 x i16> %x, <8 x i16> poison, <4 x i32> <i32 1, i32 2, i32 3, i32 4>
+ ret <4 x i16> %s
+}
+
+define <4 x i16> @shuffle_v8i16_to_vslidedown_3(<8 x i16> %x) {
+; CHECK-LABEL: shuffle_v8i16_to_vslidedown_3:
+; CHECK: # %bb.0: # %entry
+; CHECK-NEXT: vsetivli zero, 1, e16, mf2, ta, ma
+; CHECK-NEXT: vslidedown.vi v9, v8, 3
+; CHECK-NEXT: vsetivli zero, 4, e16, m1, ta, ma
+; CHECK-NEXT: vslidedown.vi v8, v8, 4
+; CHECK-NEXT: vsetivli zero, 4, e16, mf2, tu, ma
+; CHECK-NEXT: vslideup.vi v9, v8, 1
+; CHECK-NEXT: vmv1r.v v8, v9
+; CHECK-NEXT: ret
+entry:
+ %s = shufflevector <8 x i16> %x, <8 x i16> poison, <4 x i32> <i32 3, i32 4, i32 5, i32 6>
+ ret <4 x i16> %s
+}
+
+define <2 x i32> @shuffle_v4i32_to_vslidedown(<4 x i32> %x) {
+; CHECK-LABEL: shuffle_v4i32_to_vslidedown:
+; CHECK: # %bb.0: # %entry
+; CHECK-NEXT: vsetivli zero, 1, e32, mf2, ta, ma
+; CHECK-NEXT: vslidedown.vi v9, v8, 1
+; CHECK-NEXT: vsetivli zero, 2, e32, m1, ta, ma
+; CHECK-NEXT: vslidedown.vi v8, v8, 2
+; CHECK-NEXT: vsetivli zero, 2, e32, mf2, tu, ma
+; CHECK-NEXT: vslideup.vi v9, v8, 1
+; CHECK-NEXT: vmv1r.v v8, v9
+; CHECK-NEXT: ret
+entry:
+ %s = shufflevector <4 x i32> %x, <4 x i32> poison, <2 x i32> <i32 1, i32 2>
+ ret <2 x i32> %s
+}
+
define <4 x i8> @interleave_shuffles(<4 x i8> %x) {
; CHECK-LABEL: interleave_shuffles:
; CHECK: # %bb.0: