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1 ; RUN: opt -basicaa -gvn -S < %s | FileCheck %s | |
2 | |
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" | |
4 | |
5 ; BasicAA should prove that these calls don't interfere, since they are | |
6 ; IntrArgReadMem and have noalias pointers. | |
7 | |
8 ; CHECK: define <8 x i16> @test0(i8* noalias %p, i8* noalias %q, <8 x i16>
%y) { | |
9 ; CHECK-NEXT: entry: | |
10 ; CHECK-NEXT: %a = call <8 x i16> @llvm.arm.neon.vld1.v8i16(i8* %p, i32 16) no
unwind | |
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) { | |
14 entry: | |
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 | |
19 ret <8 x i16> %c | |
20 } | |
21 | |
22 ; CHECK: define <8 x i16> @test1(i8* %p, <8 x i16> %y) { | |
23 ; CHECK-NEXT: entry: | |
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) no
unwind | |
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) { | |
29 entry: | |
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 | |
35 ret <8 x i16> %c | |
36 } | |
37 | |
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 | |
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