; RUN: llc < %s -march=x86-64 -mcpu=core2 | FileCheck %s | |
; Basic 128-bit cmpxchg | |
define void @t1(i128* nocapture %p) nounwind ssp { | |
entry: | |
; CHECK: movl $1, %ebx | |
; CHECK: lock | |
; CHECK-NEXT: cmpxchg16b | |
%r = cmpxchg i128* %p, i128 0, i128 1 seq_cst | |
ret void | |
} | |
; FIXME: Handle 128-bit atomicrmw/load atomic/store atomic |