1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=x86_64-apple-darwin | grep xor | count 3 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Worker@val = internal global i64 0 4*9880d681SAndroid Build Coastguard Worker@"\01LC" = internal constant [7 x i8] c"0x%lx\0A\00" 5*9880d681SAndroid Build Coastguard Worker 6*9880d681SAndroid Build Coastguard Workerdefine i32 @main() nounwind { 7*9880d681SAndroid Build Coastguard Workerentry: 8*9880d681SAndroid Build Coastguard Worker %t0 = cmpxchg i64* @val, i64 0, i64 1 monotonic monotonic 9*9880d681SAndroid Build Coastguard Worker %0 = extractvalue { i64, i1 } %t0, 0 10*9880d681SAndroid Build Coastguard Worker %1 = tail call i32 (i8*, ...) @printf(i8* getelementptr ([7 x i8], [7 x i8]* @"\01LC", i32 0, i64 0), i64 %0) nounwind 11*9880d681SAndroid Build Coastguard Worker ret i32 0 12*9880d681SAndroid Build Coastguard Worker} 13*9880d681SAndroid Build Coastguard Worker 14*9880d681SAndroid Build Coastguard Workerdeclare i32 @printf(i8*, ...) nounwind 15