1*9880d681SAndroid Build Coastguard Worker; This testcase ensures that CFL AA handles trivial cases with storing 2*9880d681SAndroid Build Coastguard Worker; pointers in pointers appropriately. 3*9880d681SAndroid Build Coastguard Worker; Derived from: 4*9880d681SAndroid Build Coastguard Worker; char a, b; 5*9880d681SAndroid Build Coastguard Worker; char *m = &a, *n = &b; 6*9880d681SAndroid Build Coastguard Worker; *m; 7*9880d681SAndroid Build Coastguard Worker; *n; 8*9880d681SAndroid Build Coastguard Worker 9*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -cfl-steens-aa -aa-eval -print-may-aliases -disable-output 2>&1 | FileCheck %s 10*9880d681SAndroid Build Coastguard Worker 11*9880d681SAndroid Build Coastguard Worker%T = type { i32, [10 x i8] } 12*9880d681SAndroid Build Coastguard Worker 13*9880d681SAndroid Build Coastguard Worker; CHECK: Function: test 14*9880d681SAndroid Build Coastguard Worker 15*9880d681SAndroid Build Coastguard Workerdefine void @test() { 16*9880d681SAndroid Build Coastguard Worker; CHECK: 15 Total Alias Queries Performed 17*9880d681SAndroid Build Coastguard Worker; CHECK: 13 no alias responses 18*9880d681SAndroid Build Coastguard Worker %M = alloca %T*, align 8 19*9880d681SAndroid Build Coastguard Worker %N = alloca %T*, align 8 20*9880d681SAndroid Build Coastguard Worker %A = alloca %T, align 8 21*9880d681SAndroid Build Coastguard Worker %B = alloca %T, align 8 22*9880d681SAndroid Build Coastguard Worker 23*9880d681SAndroid Build Coastguard Worker store %T* %A, %T** %M 24*9880d681SAndroid Build Coastguard Worker store %T* %B, %T** %N 25*9880d681SAndroid Build Coastguard Worker 26*9880d681SAndroid Build Coastguard Worker %AP = load %T*, %T** %M ; PartialAlias with %A 27*9880d681SAndroid Build Coastguard Worker %BP = load %T*, %T** %N ; PartialAlias with %B 28*9880d681SAndroid Build Coastguard Worker 29*9880d681SAndroid Build Coastguard Worker ret void 30*9880d681SAndroid Build Coastguard Worker} 31