Mercurial > hg > CbC > CbC_llvm

view test/Transforms/Mem2Reg/atomic.ll @ 100:7d135dc70f03 LLVM 3.9

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
LLVM 3.9
author Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
date Tue, 26 Jan 2016 22:53:40 +0900
parents afa8332a0e37
children
line wrap: on
line source

; RUN: opt -mem2reg < %s -S | FileCheck %s

; mem2reg is allowed with arbitrary atomic operations (although we only support
; it for atomic load and store at the moment).
define i32 @test1(i32 %x) {
; CHECK-LABEL: @test1(
; CHECK: ret i32 %x
  %a = alloca i32
  store atomic i32 %x, i32* %a seq_cst, align 4
  %r = load atomic i32, i32* %a seq_cst, align 4
  ret i32 %r
}