1 ; RUN: llc < %s -mtriple=i386-pc-linux -mcpu=corei7 | FileCheck %s 2 3 define i64 @atomicSub(i64* %a, i64 %b) nounwind { 4 entry: 5 %0 = atomicrmw sub i64* %a, i64 %b seq_cst 6 ret i64 %0 7 ; CHECK: atomicSub 8 ; CHECK: movl %eax, %ebx 9 ; CHECK: subl {{%[a-z]+}}, %ebx 10 ; CHECK: movl %edx, %ecx 11 ; CHECK: sbbl {{%[a-z]+}}, %ecx 12 ; CHECK: ret 13 } 14