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view test/CodeGen/X86/membarrier.ll @ 33:e4204d083e25

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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 -march=x86-64 -mattr=-sse -O0
; PR9675

define i32 @t() {
entry:
  %i = alloca i32, align 4
  store i32 1, i32* %i, align 4
  fence seq_cst
  %0 = atomicrmw sub i32* %i, i32 1 monotonic
  fence seq_cst
  ret i32 0
}