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https://github.com/c64scene-ar/llvm-6502.git
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b1e1e82c54
of using llvm-as, now that opt supports this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81226 91177308-0d34-0410-b5e6-96231b3b80d8
30 lines
806 B
LLVM
30 lines
806 B
LLVM
; LoopInfo is incorrectly calculating loop nesting! In this case it doesn't
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; figure out that loop "Inner" should be nested inside of leep "LoopHeader",
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; and instead nests it just inside loop "Top"
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;
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; RUN: opt %s -analyze -loops | \
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; RUN: grep { Loop at depth 3 containing: %Inner<header><latch><exit>}
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;
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define void @test() {
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br label %Top
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Top: ; preds = %Out, %0
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br label %LoopHeader
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Next: ; preds = %LoopHeader
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br i1 false, label %Inner, label %Out
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Inner: ; preds = %Inner, %Next
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br i1 false, label %Inner, label %LoopHeader
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LoopHeader: ; preds = %Inner, %Top
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br label %Next
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Out: ; preds = %Next
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br i1 false, label %Top, label %Done
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Done: ; preds = %Out
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ret void
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}
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