1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -O2 -march=x86-64 -verify-machineinstrs | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Workerdefine void @pr21099(i64* %p) { 4*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: pr21099 5*9880d681SAndroid Build Coastguard Worker; CHECK: lock addq $-2147483648 6*9880d681SAndroid Build Coastguard Worker; This number is INT32_MIN: 0x80000000UL 7*9880d681SAndroid Build Coastguard Worker %1 = atomicrmw add i64* %p, i64 -2147483648 seq_cst 8*9880d681SAndroid Build Coastguard Worker ret void 9*9880d681SAndroid Build Coastguard Worker} 10