1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -basicaa -globals-aa -gvn -S -enable-unsafe-globalsmodref-alias-results | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -aa-pipeline=basic-aa,globals-aa -passes="require<globals-aa>,function(gvn)" -S -enable-unsafe-globalsmodref-alias-results | FileCheck %s 3*9880d681SAndroid Build Coastguard Worker; 4*9880d681SAndroid Build Coastguard Worker; Note that this test relies on an unsafe feature of GlobalsModRef. While this 5*9880d681SAndroid Build Coastguard Worker; test is correct and safe, GMR's technique for handling this isn't generally. 6*9880d681SAndroid Build Coastguard Worker 7*9880d681SAndroid Build Coastguard Worker@X = internal global i32 4 ; <i32*> [#uses=1] 8*9880d681SAndroid Build Coastguard Worker 9*9880d681SAndroid Build Coastguard Workerdefine i32 @test(i32* %P) { 10*9880d681SAndroid Build Coastguard Worker; CHECK: @test 11*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: store i32 7, i32* %P 12*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: store i32 12, i32* @X 13*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: ret i32 7 14*9880d681SAndroid Build Coastguard Worker store i32 7, i32* %P 15*9880d681SAndroid Build Coastguard Worker store i32 12, i32* @X 16*9880d681SAndroid Build Coastguard Worker %V = load i32, i32* %P ; <i32> [#uses=1] 17*9880d681SAndroid Build Coastguard Worker ret i32 %V 18*9880d681SAndroid Build Coastguard Worker} 19