aa2009fe78
First step after e113317958,
in these tests, DomTree is valid afterwards, so mark them as such,
so that they don't regress.
In further steps, SimplifyCFG transforms shall taught to preserve DomTree,
in as small steps as possible.
26 lines
760 B
LLVM
26 lines
760 B
LLVM
; RUN: opt -S -indvars -loop-idiom -verify -loop-simplifycfg -simplifycfg-require-and-preserve-domtree=1 -loop-idiom < %s | FileCheck %s
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target triple = "x86_64-unknown-linux-gnu"
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; CHECK-LABEL: @f1()
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; CHECK-NEXT: entry:
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define void @f1() {
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entry:
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br label %lbl1
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lbl1: ; preds = %if.end, %entry
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br label %for
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for: ; preds = %if.end, %lbl1
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br label %lor.end
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lor.end: ; preds = %for
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br i1 undef, label %for.end, label %if.end
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if.end: ; preds = %lor.end
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br i1 undef, label %lbl1, label %for
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for.end: ; preds = %lor.end
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ret void
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}
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