1 ; RUN: llc < %s -march=arm -mattr=+neon | FileCheck %s
3 define void @vst2i8(i8* %A, <8 x i8>* %B) nounwind {
5 ;Check the alignment value. Max for this instruction is 128 bits:
6 ;CHECK: vst2.8 {d16, d17}, [r0, :64]
7 %tmp1 = load <8 x i8>* %B
8 call void @llvm.arm.neon.vst2.v8i8(i8* %A, <8 x i8> %tmp1, <8 x i8> %tmp1, i32 8)
12 ;Check for a post-increment updating store with register increment.
13 define void @vst2i8_update(i8** %ptr, <8 x i8>* %B, i32 %inc) nounwind {
14 ;CHECK: vst2i8_update:
15 ;CHECK: vst2.8 {d16, d17}, [r1], r2
17 %tmp1 = load <8 x i8>* %B
18 call void @llvm.arm.neon.vst2.v8i8(i8* %A, <8 x i8> %tmp1, <8 x i8> %tmp1, i32 4)
19 %tmp2 = getelementptr i8* %A, i32 %inc
20 store i8* %tmp2, i8** %ptr
24 define void @vst2i16(i16* %A, <4 x i16>* %B) nounwind {
26 ;Check the alignment value. Max for this instruction is 128 bits:
27 ;CHECK: vst2.16 {d16, d17}, [r0, :128]
28 %tmp0 = bitcast i16* %A to i8*
29 %tmp1 = load <4 x i16>* %B
30 call void @llvm.arm.neon.vst2.v4i16(i8* %tmp0, <4 x i16> %tmp1, <4 x i16> %tmp1, i32 32)
34 define void @vst2i32(i32* %A, <2 x i32>* %B) nounwind {
37 %tmp0 = bitcast i32* %A to i8*
38 %tmp1 = load <2 x i32>* %B
39 call void @llvm.arm.neon.vst2.v2i32(i8* %tmp0, <2 x i32> %tmp1, <2 x i32> %tmp1, i32 1)
43 define void @vst2f(float* %A, <2 x float>* %B) nounwind {
46 %tmp0 = bitcast float* %A to i8*
47 %tmp1 = load <2 x float>* %B
48 call void @llvm.arm.neon.vst2.v2f32(i8* %tmp0, <2 x float> %tmp1, <2 x float> %tmp1, i32 1)
52 define void @vst2i64(i64* %A, <1 x i64>* %B) nounwind {
54 ;Check the alignment value. Max for this instruction is 128 bits:
55 ;CHECK: vst1.64 {d16, d17}, [r0, :128]
56 %tmp0 = bitcast i64* %A to i8*
57 %tmp1 = load <1 x i64>* %B
58 call void @llvm.arm.neon.vst2.v1i64(i8* %tmp0, <1 x i64> %tmp1, <1 x i64> %tmp1, i32 32)
62 ;Check for a post-increment updating store.
63 define void @vst2i64_update(i64** %ptr, <1 x i64>* %B) nounwind {
64 ;CHECK: vst2i64_update:
65 ;CHECK: vst1.64 {d16, d17}, [r1, :64]!
67 %tmp0 = bitcast i64* %A to i8*
68 %tmp1 = load <1 x i64>* %B
69 call void @llvm.arm.neon.vst2.v1i64(i8* %tmp0, <1 x i64> %tmp1, <1 x i64> %tmp1, i32 8)
70 %tmp2 = getelementptr i64* %A, i32 2
71 store i64* %tmp2, i64** %ptr
75 define void @vst2Qi8(i8* %A, <16 x i8>* %B) nounwind {
77 ;Check the alignment value. Max for this instruction is 256 bits:
78 ;CHECK: vst2.8 {d16, d17, d18, d19}, [r0, :64]
79 %tmp1 = load <16 x i8>* %B
80 call void @llvm.arm.neon.vst2.v16i8(i8* %A, <16 x i8> %tmp1, <16 x i8> %tmp1, i32 8)
84 define void @vst2Qi16(i16* %A, <8 x i16>* %B) nounwind {
86 ;Check the alignment value. Max for this instruction is 256 bits:
87 ;CHECK: vst2.16 {d16, d17, d18, d19}, [r0, :128]
88 %tmp0 = bitcast i16* %A to i8*
89 %tmp1 = load <8 x i16>* %B
90 call void @llvm.arm.neon.vst2.v8i16(i8* %tmp0, <8 x i16> %tmp1, <8 x i16> %tmp1, i32 16)
94 define void @vst2Qi32(i32* %A, <4 x i32>* %B) nounwind {
96 ;Check the alignment value. Max for this instruction is 256 bits:
97 ;CHECK: vst2.32 {d16, d17, d18, d19}, [r0, :256]
98 %tmp0 = bitcast i32* %A to i8*
99 %tmp1 = load <4 x i32>* %B
100 call void @llvm.arm.neon.vst2.v4i32(i8* %tmp0, <4 x i32> %tmp1, <4 x i32> %tmp1, i32 64)
104 define void @vst2Qf(float* %A, <4 x float>* %B) nounwind {
107 %tmp0 = bitcast float* %A to i8*
108 %tmp1 = load <4 x float>* %B
109 call void @llvm.arm.neon.vst2.v4f32(i8* %tmp0, <4 x float> %tmp1, <4 x float> %tmp1, i32 1)
113 declare void @llvm.arm.neon.vst2.v8i8(i8*, <8 x i8>, <8 x i8>, i32) nounwind
114 declare void @llvm.arm.neon.vst2.v4i16(i8*, <4 x i16>, <4 x i16>, i32) nounwind
115 declare void @llvm.arm.neon.vst2.v2i32(i8*, <2 x i32>, <2 x i32>, i32) nounwind
116 declare void @llvm.arm.neon.vst2.v2f32(i8*, <2 x float>, <2 x float>, i32) nounwind
117 declare void @llvm.arm.neon.vst2.v1i64(i8*, <1 x i64>, <1 x i64>, i32) nounwind
119 declare void @llvm.arm.neon.vst2.v16i8(i8*, <16 x i8>, <16 x i8>, i32) nounwind
120 declare void @llvm.arm.neon.vst2.v8i16(i8*, <8 x i16>, <8 x i16>, i32) nounwind
121 declare void @llvm.arm.neon.vst2.v4i32(i8*, <4 x i32>, <4 x i32>, i32) nounwind
122 declare void @llvm.arm.neon.vst2.v4f32(i8*, <4 x float>, <4 x float>, i32) nounwind