blob: bec878a21b3b80e549711540afca8f591092cd08 [file] [log] [blame]
Dan Gohmanbddc1ca2011-04-27 18:39:03 +00001; RUN: opt -basicaa -gvn -S < %s | FileCheck %s
2
3target 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) 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
13define <8 x i16> @test0(i8* noalias %p, i8* noalias %q, <8 x i16> %y) {
14entry:
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
22declare <8 x i16> @llvm.arm.neon.vld1.v8i16(i8*, i32) nounwind readonly
23declare void @llvm.arm.neon.vst1.v8i16(i8*, <8 x i16>, i32) nounwind