1; This testcase ensures that CFL AA correctly handles simple memory alias
2; pattern
3
4; RUN: opt < %s -aa-pipeline=cfl-anders-aa -passes=aa-eval -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s
5
6; CHECK-LABEL: Function: test_memalias
7; CHECK: NoAlias: i64* %a, i64** %b
8; CHECK: NoAlias: i64* %a, i32** %c
9; CHECK: MayAlias: i64* %a, i32* %d
10; CHECK: NoAlias: i64** %b, i32* %d
11; CHECK: NoAlias: i32** %c, i32* %d
12define void @test_memalias() {
13  %a = alloca i64, align 8
14  %b = alloca i64*, align 8
15  load i64, i64* %a
16  store i64* %a, i64** %b
17
18  %c = bitcast i64** %b to i32**
19  %d = load i32*, i32** %c
20  load i32, i32* %d
21  ret void
22}
23