1 ; RUN: llc -mtriple=aarch64-none-linux-gnu -mattr=+neon < %s | FileCheck %s
3 declare <16 x i8> @llvm.aarch64.neon.tbl1.v16i8(<16 x i8>, <16 x i8>)
6 ; CHECK: uzp1 {{v[0-9]+}}.8b, {{v[0-9]+}}.8b, {{v[0-9]+}}.8b
9 %vtbl1.i.1 = tail call <16 x i8> @llvm.aarch64.neon.tbl1.v16i8(<16 x i8> <i8 0, i8 16, i8 19, i8 4, i8 -65, i8 -65, i8 -71, i8 -71, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0>, <16 x i8> undef)
10 %vuzp.i212.1 = shufflevector <16 x i8> %vtbl1.i.1, <16 x i8> undef, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>
11 %scevgep = getelementptr <8 x i8>, ptr undef, i64 1
12 store <8 x i8> %vuzp.i212.1, ptr %scevgep, align 1
17 ; CHECK: uzp2 {{v[0-9]+}}.8b, {{v[0-9]+}}.8b, {{v[0-9]+}}.8b
20 %vtbl1.i.1 = tail call <16 x i8> @llvm.aarch64.neon.tbl1.v16i8(<16 x i8> <i8 0, i8 16, i8 19, i8 4, i8 -65, i8 -65, i8 -71, i8 -71, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0>, <16 x i8> undef)
21 %vuzp.i212.1 = shufflevector <16 x i8> %vtbl1.i.1, <16 x i8> undef, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>
22 %scevgep = getelementptr <8 x i8>, ptr undef, i64 1
23 store <8 x i8> %vuzp.i212.1, ptr %scevgep, align 1
31 %vtbl1.i.1 = tail call <16 x i8> @llvm.aarch64.neon.tbl1.v16i8(<16 x i8> <i8 0, i8 16, i8 19, i8 4, i8 -65, i8 -65, i8 -71, i8 -71, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0>, <16 x i8> undef)
32 %vuzp.i212.1 = shufflevector <16 x i8> %vtbl1.i.1, <16 x i8> undef, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 15>
33 %scevgep = getelementptr <8 x i8>, ptr undef, i64 1
34 store <8 x i8> %vuzp.i212.1, ptr %scevgep, align 1
42 %vtbl1.i.1 = tail call <16 x i8> @llvm.aarch64.neon.tbl1.v16i8(<16 x i8> <i8 0, i8 16, i8 19, i8 4, i8 -65, i8 -65, i8 -71, i8 -71, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0>, <16 x i8> undef)
43 %vuzp.i212.1 = shufflevector <16 x i8> %vtbl1.i.1, <16 x i8> undef, <8 x i32> <i32 3, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>
44 %scevgep = getelementptr <8 x i8>, ptr undef, i64 1
45 store <8 x i8> %vuzp.i212.1, ptr %scevgep, align 1
49 ; CHECK-LABEL: pr36582:
50 ; Check that this does not ICE.
51 define void @pr36582(ptr %p1, ptr %p2) {
53 %wide.vec = load <8 x i8>, ptr %p1, align 1
54 %strided.vec = shufflevector <8 x i8> %wide.vec, <8 x i8> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
55 %y = zext <4 x i8> %strided.vec to <4 x i32>
56 store <4 x i32> %y, ptr %p2, align 4
60 ; Check that this pattern is recognized as a VZIP and
61 ; that the vector blend transform does not scramble the pattern.
62 ; CHECK-LABEL: vzipNoBlend:
64 define <8 x i8> @vzipNoBlend(ptr %A, ptr %B) nounwind {
65 %t = load <8 x i8>, ptr %A
66 %vzip = shufflevector <8 x i8> %t, <8 x i8> <i8 0, i8 0, i8 0, i8 0, i8 undef, i8 undef, i8 undef, i8 undef>, <8 x i32> <i32 0, i32 8, i32 1, i32 9, i32 2, i32 10, i32 3, i32 11>
70 ; CHECK-LABEL: vzipNoBlendCommutted:
72 define <8 x i8> @vzipNoBlendCommutted(ptr %A, ptr %B) nounwind {
73 %t = load <8 x i8>, ptr %A
74 %vzip = shufflevector <8 x i8> <i8 0, i8 0, i8 0, i8 0, i8 undef, i8 undef, i8 undef, i8 undef>, <8 x i8> %t, <8 x i32> <i32 8, i32 0, i32 9, i32 1, i32 10, i32 2, i32 11, i32 3>
78 ; CHECK-LABEL: vzipStillZExt:
80 define <8 x i8> @vzipStillZExt(ptr %A, ptr %B) nounwind {
81 %t = load <8 x i8>, ptr %A
82 %vzip = shufflevector <8 x i8> %t, <8 x i8> <i8 undef, i8 0, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef>, <8 x i32> <i32 0, i32 9, i32 1, i32 9, i32 2, i32 9, i32 3, i32 9>
86 ; CHECK-LABEL: vzipStillZExtCommutted:
88 define <8 x i8> @vzipStillZExtCommutted(ptr %A, ptr %B) nounwind {
89 %t = load <8 x i8>, ptr %A
90 %vzip = shufflevector <8 x i8> <i8 undef, i8 0, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef>, <8 x i8> %t, <8 x i32> <i32 8, i32 1, i32 9, i32 1, i32 10, i32 1, i32 11, i32 1>