llvm-project/llvm/test/Analysis/LoopInfo/2003-05-15-NestingProblem.ll

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; This testcase was incorrectly computing that the loopentry.7 loop was
; not a child of the loopentry.6 loop.
;
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; RUN: opt < %s -analyze -loops | FileCheck %s
; CHECK: Loop at depth 4 containing: %loopentry.7<header><latch><exiting>
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define void @getAndMoveToFrontDecode() {
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br label %endif.2
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endif.2: ; preds = %loopexit.5, %0
br i1 false, label %loopentry.5, label %UnifiedExitNode
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loopentry.5: ; preds = %loopexit.6, %endif.2
br i1 false, label %loopentry.6, label %UnifiedExitNode
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loopentry.6: ; preds = %loopentry.7, %loopentry.5
br i1 false, label %loopentry.7, label %loopexit.6
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loopentry.7: ; preds = %loopentry.7, %loopentry.6
br i1 false, label %loopentry.7, label %loopentry.6
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loopexit.6: ; preds = %loopentry.6
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br i1 false, label %loopentry.5, label %loopexit.5
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loopexit.5: ; preds = %loopexit.6
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br i1 false, label %endif.2, label %UnifiedExitNode
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UnifiedExitNode: ; preds = %loopexit.5, %loopentry.5, %endif.2
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ret void
}