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LLVM 3.5
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 14:32:10 +0900
parents 95c75e76d11b
children 803732b1fca8
line wrap: on
line source

; RUN: llc < %s -mtriple=i386-pc-linux -mcpu=corei7 | FileCheck %s

define i64 @atomicSub(i64* %a, i64 %b) nounwind {
entry:
  %0 = atomicrmw sub i64* %a, i64 %b seq_cst
  ret i64 %0
; CHECK: atomicSub
; CHECK: movl %eax, %ebx
; CHECK: subl {{%[a-z]+}}, %ebx
; CHECK: movl %edx, %ecx
; CHECK: sbbl {{%[a-z]+}}, %ecx
; CHECK: ret
}