llvm-project

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; RUN: llvm-as < %s | llvm-dis | llvm-as > /dev/null
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        %v4f = type <4 x float>
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@foo = external global %v4f             ; <ptr> [#uses=1]
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@bar = external global %v4f             ; <ptr> [#uses=1]
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define void @main() {
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        br label %A
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C:              ; preds = %B
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        store %v4f %t2, ptr @bar
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        ret void
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B:              ; preds = %A
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        %t2 = fadd %v4f %t0, %t0         ; <%v4f> [#uses=1]
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        br label %C
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A:              ; preds = %0
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        %t0 = load %v4f, ptr @foo           ; <%v4f> [#uses=2]
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        br label %B
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}
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