| ; This testcase ensures that CFL AA correctly handles simple memory alias |
| ; pattern |
| |
| ; RUN: opt < %s -disable-basicaa -cfl-anders-aa -aa-eval -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s |
| ; RUN: opt < %s -aa-pipeline=cfl-anders-aa -passes=aa-eval -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s |
| |
| ; CHECK-LABEL: Function: test_memalias |
| ; CHECK: NoAlias: i64* %a, i64** %b |
| ; CHECK: NoAlias: i32** %c, i64* %a |
| ; CHECK: MayAlias: i32* %d, i64* %a |
| ; CHECK: NoAlias: i32* %d, i64** %b |
| ; CHECK: NoAlias: i32* %d, i32** %c |
| define void @test_memalias() { |
| %a = alloca i64, align 8 |
| %b = alloca i64*, align 8 |
| store i64* %a, i64** %b |
| |
| %c = bitcast i64** %b to i32** |
| %d = load i32*, i32** %c |
| ret void |
| } |