1*9880d681SAndroid Build Coastguard Worker; RUN: opt -basicaa -functionattrs -S < %s | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Worker; Atomic load/store to local doesn't affect whether a function is 4*9880d681SAndroid Build Coastguard Worker; readnone/readonly. 5*9880d681SAndroid Build Coastguard Workerdefine i32 @test1(i32 %x) uwtable ssp { 6*9880d681SAndroid Build Coastguard Worker; CHECK: define i32 @test1(i32 %x) #0 { 7*9880d681SAndroid Build Coastguard Workerentry: 8*9880d681SAndroid Build Coastguard Worker %x.addr = alloca i32, align 4 9*9880d681SAndroid Build Coastguard Worker store atomic i32 %x, i32* %x.addr seq_cst, align 4 10*9880d681SAndroid Build Coastguard Worker %r = load atomic i32, i32* %x.addr seq_cst, align 4 11*9880d681SAndroid Build Coastguard Worker ret i32 %r 12*9880d681SAndroid Build Coastguard Worker} 13*9880d681SAndroid Build Coastguard Worker 14*9880d681SAndroid Build Coastguard Worker; A function with an Acquire load is not readonly. 15*9880d681SAndroid Build Coastguard Workerdefine i32 @test2(i32* %x) uwtable ssp { 16*9880d681SAndroid Build Coastguard Worker; CHECK: define i32 @test2(i32* nocapture readonly %x) #1 { 17*9880d681SAndroid Build Coastguard Workerentry: 18*9880d681SAndroid Build Coastguard Worker %r = load atomic i32, i32* %x seq_cst, align 4 19*9880d681SAndroid Build Coastguard Worker ret i32 %r 20*9880d681SAndroid Build Coastguard Worker} 21*9880d681SAndroid Build Coastguard Worker 22*9880d681SAndroid Build Coastguard Worker; CHECK: attributes #0 = { norecurse readnone ssp uwtable } 23*9880d681SAndroid Build Coastguard Worker; CHECK: attributes #1 = { norecurse ssp uwtable } 24