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12 lines
306 B
LLVM
12 lines
306 B
LLVM
; RUN: llvm-as < %s | llc -march=x86-64 | grep xadd
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@var = external global i64 ; <i64*> [#uses=1]
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define i32 @main() nounwind {
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entry:
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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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unreachable
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}
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declare i64 @llvm.atomic.load.sub.i64.p0i64(i64*, i64) nounwind
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