1
; RUN: llc < %s -march=x86-64 | FileCheck %s
3
@var = external global i64 ; <i64*> [#uses=1]
5
define i32 @main() nounwind {
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tail call i64 @llvm.atomic.load.sub.i64.p0i64( i64* @var, i64 1 ) ; <i64>:0 [#uses=0]
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declare i64 @llvm.atomic.load.sub.i64.p0i64(i64*, i64) nounwind