xref: /llvm-project/llvm/test/Analysis/BasicAA/cs-cs-arm.ll (revision 303c308e452c703c3d47940383ded3b2d3eefd56) 
1; RUN: opt < %s -aa-pipeline=basic-aa -passes=aa-eval -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s
2; REQUIRES: arm-registered-target
3
4target 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"
5target triple = "arm-apple-ios"
6
7declare <8 x i16> @llvm.arm.neon.vld1.v8i16.p0(ptr, i32) nounwind readonly
8declare void @llvm.arm.neon.vst1.p0.v8i16(ptr, <8 x i16>, i32) nounwind
9
10define <8 x i16> @test1(ptr %p, <8 x i16> %y) {
11entry:
12  %q = getelementptr i8, ptr %p, i64 16
13  %a = call <8 x i16> @llvm.arm.neon.vld1.v8i16.p0(ptr %p, i32 16) nounwind
14  call void @llvm.arm.neon.vst1.p0.v8i16(ptr %q, <8 x i16> %y, i32 16)
15  %b = call <8 x i16> @llvm.arm.neon.vld1.v8i16.p0(ptr %p, i32 16) nounwind
16  %c = add <8 x i16> %a, %b
17  load i8, ptr %p
18  load i8, ptr %q
19  ret <8 x i16> %c
20
21; CHECK-LABEL: Function: test1:
22
23; CHECK: NoAlias:      i8* %p, i8* %q
24; CHECK: Just Ref:  Ptr: i8* %p        <->  %a = call <8 x i16> @llvm.arm.neon.vld1.v8i16.p0(ptr %p, i32 16)
25; CHECK: NoModRef:  Ptr: i8* %q        <->  %a = call <8 x i16> @llvm.arm.neon.vld1.v8i16.p0(ptr %p, i32 16)
26; CHECK: NoModRef:  Ptr: i8* %p        <->  call void @llvm.arm.neon.vst1.p0.v8i16(ptr %q, <8 x i16> %y, i32 16)
27; CHECK: Both ModRef:  Ptr: i8* %q     <->  call void @llvm.arm.neon.vst1.p0.v8i16(ptr %q, <8 x i16> %y, i32 16)
28; CHECK: Just Ref:  Ptr: i8* %p        <->  %b = call <8 x i16> @llvm.arm.neon.vld1.v8i16.p0(ptr %p, i32 16)
29; CHECK: NoModRef:  Ptr: i8* %q        <->  %b = call <8 x i16> @llvm.arm.neon.vld1.v8i16.p0(ptr %p, i32 16)
30; CHECK: NoModRef:   %a = call <8 x i16> @llvm.arm.neon.vld1.v8i16.p0(ptr %p, i32 16) #{{[0-9]+}} <->   call void @llvm.arm.neon.vst1.p0.v8i16(ptr %q, <8 x i16> %y, i32 16)
31; CHECK: NoModRef:   %a = call <8 x i16> @llvm.arm.neon.vld1.v8i16.p0(ptr %p, i32 16) #{{[0-9]+}} <->   %b = call <8 x i16> @llvm.arm.neon.vld1.v8i16.p0(ptr %p, i32 16)
32; CHECK: NoModRef:   call void @llvm.arm.neon.vst1.p0.v8i16(ptr %q, <8 x i16> %y, i32 16) <->   %a = call <8 x i16> @llvm.arm.neon.vld1.v8i16.p0(ptr %p, i32 16)
33; CHECK: NoModRef:   call void @llvm.arm.neon.vst1.p0.v8i16(ptr %q, <8 x i16> %y, i32 16) <->   %b = call <8 x i16> @llvm.arm.neon.vld1.v8i16.p0(ptr %p, i32 16)
34; CHECK: NoModRef:   %b = call <8 x i16> @llvm.arm.neon.vld1.v8i16.p0(ptr %p, i32 16) #{{[0-9]+}} <->   %a = call <8 x i16> @llvm.arm.neon.vld1.v8i16.p0(ptr %p, i32 16)
35; CHECK: NoModRef:   %b = call <8 x i16> @llvm.arm.neon.vld1.v8i16.p0(ptr %p, i32 16) #{{[0-9]+}} <->   call void @llvm.arm.neon.vst1.p0.v8i16(ptr %q, <8 x i16> %y, i32 16)
36}
37