15 строки
339 B
LLVM
15 строки
339 B
LLVM
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; RUN: opt < %s -instcombine -S | grep "store volatile"
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; RUN: opt < %s -instcombine -S | grep "load volatile"
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@x = weak global i32 0 ; <i32*> [#uses=2]
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define void @self_assign_1() {
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entry:
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%tmp = load volatile i32, i32* @x ; <i32> [#uses=1]
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store volatile i32 %tmp, i32* @x
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br label %return
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return: ; preds = %entry
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ret void
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}
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