1
0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-11-01 08:23:21 +01:00
llvm-mirror/test/CodeGen/X86/2008-08-19-SubAndFetch.ll
2009-09-08 23:54:48 +00:00

15 lines
342 B
LLVM

; RUN: llc < %s -march=x86-64 | FileCheck %s
@var = external global i64 ; <i64*> [#uses=1]
define i32 @main() nounwind {
entry:
; CHECK: main:
; CHECK: lock
; CHECK: decq
tail call i64 @llvm.atomic.load.sub.i64.p0i64( i64* @var, i64 1 ) ; <i64>:0 [#uses=0]
unreachable
}
declare i64 @llvm.atomic.load.sub.i64.p0i64(i64*, i64) nounwind