1; This testcase ensures that CFL AA handles assignment cycles correctly 2 3; RUN: opt < %s -disable-basicaa -cfl-anders-aa -aa-eval -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s 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_cycle 7; CHECK: NoAlias: i64* %a, i64** %b 8; CHECK: NoAlias: i64* %a, i64*** %c 9; CHECK: NoAlias: i64** %b, i64*** %c 10; CHECK: NoAlias: i64* %a, i64**** %d 11; CHECK: NoAlias: i64** %b, i64**** %d 12; CHECK: NoAlias: i64*** %c, i64**** %d 13; CHECK: NoAlias: i64* %a, i64* %e 14; CHECK: NoAlias: i64* %e, i64** %b 15; CHECK: NoAlias: i64* %e, i64*** %c 16; CHECK: MayAlias: i64* %a, i64* %f 17; CHECK: NoAlias: i64* %f, i64** %b 18; CHECK: NoAlias: i64* %f, i64*** %c 19; CHECK: MayAlias: i64* %f, i64**** %d 20; CHECK: MayAlias: i64* %e, i64* %f 21define void @test_cycle() { 22 %a = alloca i64, align 8 23 %b = alloca i64*, align 8 24 %c = alloca i64**, align 8 25 %d = alloca i64***, align 8 26 store i64* %a, i64** %b 27 store i64** %b, i64*** %c 28 store i64*** %c, i64**** %d 29 30 %e = bitcast i64**** %d to i64* 31 store i64* %e, i64** %b 32 %f = load i64*, i64** %b 33 ret void 34} 35