20 lines
459 B
LLVM
20 lines
459 B
LLVM
; RUN: opt < %s -simplifycfg -S | FileCheck %s
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;
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; Ensure that the loop metadata is preserved when converting the
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; conditional branch to an unconditional.
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define void @commondest_loopid(i1 %T) {
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; CHECK-LABEL: @commondest_loopid(
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; CHECK: !llvm.loop !0
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; CHECK: !0 = distinct !{!0, !1}
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; CHECK: !1 = !{!"loopprop"}
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entry:
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br label %loop
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loop:
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br i1 %T, label %loop, label %loop, !llvm.loop !0
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}
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!0 = distinct !{!0, !1}
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!1 = !{!"loopprop"}
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