1 // REQUIRES: arm-registered-target
2 // RUN: %clang_cc1 -triple thumbv7-apple-darwin \
3 // RUN:   -target-abi apcs-gnu \
4 // RUN:   -target-cpu cortex-a8 \
5 // RUN:   -mfloat-abi soft \
6 // RUN:   -target-feature +soft-float-abi \
7 // RUN:   -ffreestanding \
8 // RUN:   -emit-llvm -w -o - %s | FileCheck %s
9 
10 #include <arm_neon.h>
11 
12 // Radar 9311427: Check that alignment specifier is used in Neon load/store
13 // intrinsics.
14 typedef float AlignedAddr __attribute__ ((aligned (16)));
15 void t1(AlignedAddr *addr1, AlignedAddr *addr2) {
16 // CHECK: @t1
17 // CHECK: call <4 x float> @llvm.arm.neon.vld1.v4f32(i8* %{{.*}}, i32 16)
18   float32x4_t a = vld1q_f32(addr1);
19 // CHECK: call void @llvm.arm.neon.vst1.v4f32(i8* %{{.*}}, <4 x float> %{{.*}}, i32 16)
20   vst1q_f32(addr2, a);
21 }
22 
23 // Radar 10538555: Make sure unaligned load/stores do not gain alignment.
24 void t2(char *addr) {
25 // CHECK: @t2
26 // CHECK: load i32* %{{.*}}, align 1
27   int32x2_t vec = vld1_dup_s32(addr);
28 // CHECK: store i32 %{{.*}}, i32* {{.*}}, align 1
29   vst1_lane_s32(addr, vec, 1);
30 }
31