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view test/CodeGen/X86/2008-08-19-SubAndFetch.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
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; RUN: llc < %s -march=x86-64 | FileCheck %s

@var = external global i64		; <i64*> [#uses=1]

define i32 @main() nounwind {
entry:
; CHECK-LABEL: main:
; CHECK: lock
; CHECK: decq
	atomicrmw sub i64* @var, i64 1 monotonic
	unreachable
}