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1; RUN: llc -mtriple=arm-eabi -mattr=+neon %s -o - | FileCheck %s2 3define void @vst2i8(ptr %A, ptr %B) nounwind {4;CHECK-LABEL: vst2i8:5;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>, ptr %B8 call void @llvm.arm.neon.vst2.p0.v8i8(ptr %A, <8 x i8> %tmp1, <8 x i8> %tmp1, i32 8)9 ret void10}11 12;Check for a post-increment updating store with register increment.13define void @vst2i8_update(ptr %ptr, ptr %B, i32 %inc) nounwind {14;CHECK-LABEL: vst2i8_update:15;CHECK: vst2.8 {d16, d17}, [r1], r216 %A = load ptr, ptr %ptr17 %tmp1 = load <8 x i8>, ptr %B18 call void @llvm.arm.neon.vst2.p0.v8i8(ptr %A, <8 x i8> %tmp1, <8 x i8> %tmp1, i32 4)19 %tmp2 = getelementptr i8, ptr %A, i32 %inc20 store ptr %tmp2, ptr %ptr21 ret void22}23 24define void @vst2i16(ptr %A, ptr %B) nounwind {25;CHECK-LABEL: vst2i16:26;Check the alignment value. Max for this instruction is 128 bits:27;CHECK: vst2.16 {d16, d17}, [r0:128]28 %tmp1 = load <4 x i16>, ptr %B29 call void @llvm.arm.neon.vst2.p0.v4i16(ptr %A, <4 x i16> %tmp1, <4 x i16> %tmp1, i32 32)30 ret void31}32 33define void @vst2i32(ptr %A, ptr %B) nounwind {34;CHECK-LABEL: vst2i32:35;CHECK: vst2.3236 %tmp1 = load <2 x i32>, ptr %B37 call void @llvm.arm.neon.vst2.p0.v2i32(ptr %A, <2 x i32> %tmp1, <2 x i32> %tmp1, i32 1)38 ret void39}40 41define void @vst2f(ptr %A, ptr %B) nounwind {42;CHECK-LABEL: vst2f:43;CHECK: vst2.3244 %tmp1 = load <2 x float>, ptr %B45 call void @llvm.arm.neon.vst2.p0.v2f32(ptr %A, <2 x float> %tmp1, <2 x float> %tmp1, i32 1)46 ret void47}48 49define void @vst2i64(ptr %A, ptr %B) nounwind {50;CHECK-LABEL: vst2i64:51;Check the alignment value. Max for this instruction is 128 bits:52;CHECK: vst1.64 {d16, d17}, [r0:128]53 %tmp1 = load <1 x i64>, ptr %B54 call void @llvm.arm.neon.vst2.p0.v1i64(ptr %A, <1 x i64> %tmp1, <1 x i64> %tmp1, i32 32)55 ret void56}57 58;Check for a post-increment updating store.59define void @vst2i64_update(ptr %ptr, ptr %B) nounwind {60;CHECK-LABEL: vst2i64_update:61;CHECK: vst1.64 {d16, d17}, [r1:64]!62 %A = load ptr, ptr %ptr63 %tmp1 = load <1 x i64>, ptr %B64 call void @llvm.arm.neon.vst2.p0.v1i64(ptr %A, <1 x i64> %tmp1, <1 x i64> %tmp1, i32 8)65 %tmp2 = getelementptr i64, ptr %A, i32 266 store ptr %tmp2, ptr %ptr67 ret void68}69 70define void @vst2Qi8(ptr %A, ptr %B) nounwind {71;CHECK-LABEL: vst2Qi8:72;Check the alignment value. Max for this instruction is 256 bits:73;CHECK: vst2.8 {d16, d17, d18, d19}, [r0:64]74 %tmp1 = load <16 x i8>, ptr %B75 call void @llvm.arm.neon.vst2.p0.v16i8(ptr %A, <16 x i8> %tmp1, <16 x i8> %tmp1, i32 8)76 ret void77}78 79define void @vst2Qi16(ptr %A, ptr %B) nounwind {80;CHECK-LABEL: vst2Qi16:81;Check the alignment value. Max for this instruction is 256 bits:82;CHECK: vst2.16 {d16, d17, d18, d19}, [r0:128]83 %tmp1 = load <8 x i16>, ptr %B84 call void @llvm.arm.neon.vst2.p0.v8i16(ptr %A, <8 x i16> %tmp1, <8 x i16> %tmp1, i32 16)85 ret void86}87 88define void @vst2Qi32(ptr %A, ptr %B) nounwind {89;CHECK-LABEL: vst2Qi32:90;Check the alignment value. Max for this instruction is 256 bits:91;CHECK: vst2.32 {d16, d17, d18, d19}, [r0:256]92 %tmp1 = load <4 x i32>, ptr %B93 call void @llvm.arm.neon.vst2.p0.v4i32(ptr %A, <4 x i32> %tmp1, <4 x i32> %tmp1, i32 64)94 ret void95}96 97define void @vst2Qf(ptr %A, ptr %B) nounwind {98;CHECK-LABEL: vst2Qf:99;CHECK: vst2.32100 %tmp1 = load <4 x float>, ptr %B101 call void @llvm.arm.neon.vst2.p0.v4f32(ptr %A, <4 x float> %tmp1, <4 x float> %tmp1, i32 1)102 ret void103}104 105define ptr @vst2update(ptr %out, ptr %B) nounwind {106;CHECK-LABEL: vst2update:107;CHECK: vst2.16 {d16, d17}, [r0]!108 %tmp1 = load <4 x i16>, ptr %B109 tail call void @llvm.arm.neon.vst2.p0.v4i16(ptr %out, <4 x i16> %tmp1, <4 x i16> %tmp1, i32 2)110 %t5 = getelementptr inbounds i8, ptr %out, i32 16111 ret ptr %t5112}113 114define ptr @vst2update2(ptr %out, ptr %this) nounwind optsize ssp align 2 {115;CHECK-LABEL: vst2update2:116;CHECK: vst2.32 {d16, d17, d18, d19}, [r0]!117 %tmp1 = load <4 x float>, ptr %this118 call void @llvm.arm.neon.vst2.p0.v4f32(ptr %out, <4 x float> %tmp1, <4 x float> %tmp1, i32 4) nounwind119 %tmp2 = getelementptr inbounds i8, ptr %out, i32 32120 ret ptr %tmp2121}122 123declare void @llvm.arm.neon.vst2.p0.v8i8(ptr, <8 x i8>, <8 x i8>, i32) nounwind124declare void @llvm.arm.neon.vst2.p0.v4i16(ptr, <4 x i16>, <4 x i16>, i32) nounwind125declare void @llvm.arm.neon.vst2.p0.v2i32(ptr, <2 x i32>, <2 x i32>, i32) nounwind126declare void @llvm.arm.neon.vst2.p0.v2f32(ptr, <2 x float>, <2 x float>, i32) nounwind127declare void @llvm.arm.neon.vst2.p0.v1i64(ptr, <1 x i64>, <1 x i64>, i32) nounwind128 129declare void @llvm.arm.neon.vst2.p0.v16i8(ptr, <16 x i8>, <16 x i8>, i32) nounwind130declare void @llvm.arm.neon.vst2.p0.v8i16(ptr, <8 x i16>, <8 x i16>, i32) nounwind131declare void @llvm.arm.neon.vst2.p0.v4i32(ptr, <4 x i32>, <4 x i32>, i32) nounwind132declare void @llvm.arm.neon.vst2.p0.v4f32(ptr, <4 x float>, <4 x float>, i32) nounwind133