1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -basicaa -aa-eval -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker; If GEP base doesn't alias Z, then GEP doesn't alias Z. 3*9880d681SAndroid Build Coastguard Worker; rdar://7282591 4*9880d681SAndroid Build Coastguard Worker 5*9880d681SAndroid Build Coastguard Worker@Y = common global i32 0 6*9880d681SAndroid Build Coastguard Worker@Z = common global i32 0 7*9880d681SAndroid Build Coastguard Worker 8*9880d681SAndroid Build Coastguard Worker; CHECK: Function: foo 9*9880d681SAndroid Build Coastguard Worker; CHECK: NoAlias: i32* %P, i32* @Z 10*9880d681SAndroid Build Coastguard Worker 11*9880d681SAndroid Build Coastguard Workerdefine void @foo(i32 %cond) nounwind { 12*9880d681SAndroid Build Coastguard Workerentry: 13*9880d681SAndroid Build Coastguard Worker %a = alloca i32 14*9880d681SAndroid Build Coastguard Worker %tmp = icmp ne i32 %cond, 0 15*9880d681SAndroid Build Coastguard Worker br i1 %tmp, label %bb, label %bb1 16*9880d681SAndroid Build Coastguard Worker 17*9880d681SAndroid Build Coastguard Workerbb: 18*9880d681SAndroid Build Coastguard Worker %b = getelementptr i32, i32* %a, i32 0 19*9880d681SAndroid Build Coastguard Worker br label %bb2 20*9880d681SAndroid Build Coastguard Worker 21*9880d681SAndroid Build Coastguard Workerbb1: 22*9880d681SAndroid Build Coastguard Worker br label %bb2 23*9880d681SAndroid Build Coastguard Worker 24*9880d681SAndroid Build Coastguard Workerbb2: 25*9880d681SAndroid Build Coastguard Worker %P = phi i32* [ %b, %bb ], [ @Y, %bb1 ] 26*9880d681SAndroid Build Coastguard Worker %tmp1 = load i32, i32* @Z, align 4 27*9880d681SAndroid Build Coastguard Worker store i32 123, i32* %P, align 4 28*9880d681SAndroid Build Coastguard Worker %tmp2 = load i32, i32* @Z, align 4 29*9880d681SAndroid Build Coastguard Worker br label %return 30*9880d681SAndroid Build Coastguard Worker 31*9880d681SAndroid Build Coastguard Workerreturn: 32*9880d681SAndroid Build Coastguard Worker ret void 33*9880d681SAndroid Build Coastguard Worker} 34