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These examples are variations that were inspired from a small subgraph taken from paper.ll which are interesting as they show certain issues with infinite loops. llvm-svn: 286450
25 lines
400 B
LLVM
25 lines
400 B
LLVM
; RUN: opt -regions -analyze < %s | FileCheck %s
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define void @normal_condition() nounwind {
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0:
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br label %"7"
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7:
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br i1 1, label %"1", label %"8"
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1:
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br i1 1, label %"6", label %"3"
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6:
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br label %"8"
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8:
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br label %"8"
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3:
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br label %"4"
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4:
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ret void
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}
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; CHECK: Region tree:
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; CHECK-NEXT: [0] 0 => <Function Return>
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; CHECK-NEXT: [1] 7 => 3
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; CHECK-NEXT: End region tree
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