1 ; RUN: opt -basicaa -gvn -S < %s | FileCheck %s
3 target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:32:64-v128:32:128-a0:0:32-n32"
5 ; BasicAA should prove that these calls don't interfere, since they are
6 ; IntrArgReadMem and have noalias pointers.
8 ; CHECK: define <8 x i16> @test0(i8* noalias %p, i8* noalias %q, <8 x i16> %y) {
10 ; CHECK-NEXT: %a = call <8 x i16> @llvm.arm.neon.vld1.v8i16(i8* %p, i32 16) nounwind
11 ; CHECK-NEXT: call void @llvm.arm.neon.vst1.v8i16(i8* %q, <8 x i16> %y, i32 16)
12 ; CHECK-NEXT: %c = add <8 x i16> %a, %a
13 define <8 x i16> @test0(i8* noalias %p, i8* noalias %q, <8 x i16> %y) {
15 %a = call <8 x i16> @llvm.arm.neon.vld1.v8i16(i8* %p, i32 16) nounwind
16 call void @llvm.arm.neon.vst1.v8i16(i8* %q, <8 x i16> %y, i32 16)
17 %b = call <8 x i16> @llvm.arm.neon.vld1.v8i16(i8* %p, i32 16) nounwind
18 %c = add <8 x i16> %a, %b
22 ; CHECK: define <8 x i16> @test1(i8* %p, <8 x i16> %y) {
24 ; CHECK-NEXT: %q = getelementptr i8* %p, i64 16
25 ; CHECK-NEXT: %a = call <8 x i16> @llvm.arm.neon.vld1.v8i16(i8* %p, i32 16) nounwind
26 ; CHECK-NEXT: call void @llvm.arm.neon.vst1.v8i16(i8* %q, <8 x i16> %y, i32 16)
27 ; CHECK-NEXT: %c = add <8 x i16> %a, %a
28 define <8 x i16> @test1(i8* %p, <8 x i16> %y) {
30 %q = getelementptr i8* %p, i64 16
31 %a = call <8 x i16> @llvm.arm.neon.vld1.v8i16(i8* %p, i32 16) nounwind
32 call void @llvm.arm.neon.vst1.v8i16(i8* %q, <8 x i16> %y, i32 16)
33 %b = call <8 x i16> @llvm.arm.neon.vld1.v8i16(i8* %p, i32 16) nounwind
34 %c = add <8 x i16> %a, %b
38 declare <8 x i16> @llvm.arm.neon.vld1.v8i16(i8*, i32) nounwind readonly
39 declare void @llvm.arm.neon.vst1.v8i16(i8*, <8 x i16>, i32) nounwind