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view test/CodeGen/X86/atomic-load-store-wide.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 54457678186b
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; RUN: llc < %s -march=x86 -verify-machineinstrs | FileCheck %s

; 64-bit load/store on x86-32
; FIXME: The generated code can be substantially improved.

define void @test1(i64* %ptr, i64 %val1) {
; CHECK: test1
; CHECK: cmpxchg8b
; CHECK-NEXT: jne
  store atomic i64 %val1, i64* %ptr seq_cst, align 8
  ret void
}

define i64 @test2(i64* %ptr) {
; CHECK: test2
; CHECK: cmpxchg8b
  %val = load atomic i64* %ptr seq_cst, align 8
  ret i64 %val
}