1 ; RUN: opt -aa-pipeline=basic-aa -passes=aa-eval -print-no-aliases -disable-output %s 2>&1 | FileCheck %s
3 %struct = type <{ [20 x i64] }>
5 ; CHECK-LABEL: Function: test_noalias
6 ; CHECK-NEXT: NoAlias: %struct* %ptr1, i64* %ptr2
7 ; CHECK-NEXT: NoAlias: %struct* %addr.ptr, i64* %ptr2
8 ; CHECK-NEXT: NoAlias: i64* %gep, i64* %ptr2
9 define void @test_noalias(ptr noalias %ptr1, ptr %ptr2, i64 %offset) {
11 %addr.ptr = call ptr @llvm.ptrmask.p0.p0.struct.i64(ptr %ptr1, i64 72057594037927928)
12 load %struct, ptr %ptr1
13 load %struct, ptr %addr.ptr
14 store i64 10, ptr %ptr2
15 %gep = getelementptr inbounds %struct, ptr %addr.ptr, i64 0, i32 0, i64 %offset
16 store i64 1, ptr %gep, align 8
20 ; CHECK-NEXT: Function: test_alias
22 define void @test_alias(ptr %ptr1, ptr %ptr2, i64 %offset) {
24 %addr.ptr = call ptr @llvm.ptrmask.p0.p0.struct.i64(ptr %ptr1, i64 72057594037927928)
25 load %struct, ptr %ptr1
26 load %struct, ptr %addr.ptr
27 store i64 10, ptr %ptr2
28 %gep = getelementptr inbounds %struct, ptr %addr.ptr, i64 0, i32 0, i64 %offset
29 store i64 1, ptr %gep, align 8
33 declare ptr @llvm.ptrmask.p0.p0.struct.i64(ptr, i64)