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31 lines
916 B
31 lines
916 B
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64--linux"
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@main.phiNodesResultA = global i8 0
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@main.phiNodesResultB = global i8 0
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define void @runtime.initAll() {
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call void @main.init()
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ret void
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}
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; PHI nodes always use the value from the previous block, even in a loop. This
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; means that the loop below should swap the values %a and %b on each iteration.
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; Previously there was a bug which resulted in %b getting the value 3 on the
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; second iteration while it should have gotten 1 (from the first iteration of
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; %for.loop).
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define internal void @main.init() {
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entry:
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br label %for.loop
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for.loop:
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%a = phi i8 [ 1, %entry ], [ %b, %for.loop ]
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%b = phi i8 [ 3, %entry ], [ %a, %for.loop ]
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%icmp = icmp eq i8 %a, 3
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br i1 %icmp, label %for.done, label %for.loop
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for.done:
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store i8 %a, ptr @main.phiNodesResultA
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store i8 %b, ptr @main.phiNodesResultB
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ret void
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}
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