27 lines
617 B
LLVM
27 lines
617 B
LLVM
; PR28103
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; Bail out if the two successors are not the header
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; and another bb outside of the loop. This case is not
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; properly handled by LoopUnroll, currently.
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; RUN: opt -loop-unroll -verify-dom-info %s
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; REQUIRES: asserts
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define void @tinkywinky(i1 %patatino) {
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entry:
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br label %header1
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header1:
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%indvars.iv = phi i64 [ 1, %body2 ], [ 0, %entry ]
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%exitcond = icmp ne i64 %indvars.iv, 1
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br i1 %exitcond, label %body1, label %exit
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body1:
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br i1 %patatino, label %body2, label %sink
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body2:
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br i1 %patatino, label %header1, label %body3
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body3:
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br label %sink
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sink:
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br label %body2
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exit:
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ret void
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}
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