File: switch-simplify-crash2.ll

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llvm-toolchain-17 1%3A17.0.6-22
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -passes="simplifycfg<forward-switch-cond;no-keep-loops>" < %s | FileCheck %s

define i8 @test() {
; CHECK-LABEL: @test(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    br label [[LOOP2:%.*]]
; CHECK:       loop2:
; CHECK-NEXT:    br label [[LOOP2]]
;
entry:
  br label %loop

loop:
  %phi1 = phi i8 [ 0, %entry ], [ %phi2, %loop2 ]
  br label %loop2

loop2:
  %phi2 = phi i8 [ %phi1, %loop ], [ 0, %loop2 ]
  switch i8 %phi2, label %loop [
  i8 0, label %loop2
  i8 1, label %exit
  ]

exit:
  ret i8 0
}