llvm/test/Examples/IRTransforms/SimplifyCFG/tut-simplify-cfg6-dead-self-loop.ll


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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -tut-simplifycfg -tut-simplifycfg-version=v1 -S < %s | FileCheck %s
; RUN: opt -tut-simplifycfg -tut-simplifycfg-version=v2 -S < %s | FileCheck %s
; RUN: opt -tut-simplifycfg -tut-simplifycfg-version=v3 -S < %s | FileCheck %s

define i32 @simp1() {
; CHECK-LABEL: @simp1(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    ret i32 1
; CHECK:       bb.1:
; CHECK-NEXT:    br label [[BB_1:%.*]]
; CHECK:       bb.2:
; CHECK-NEXT:    [[P:%.*]] = phi i32 [ 0, [[BB_2:%.*]] ]
; CHECK-NEXT:    br label [[BB_2]]
;
entry:
  ret i32 1

bb.1:
  br label %bb.1

bb.2:
  %p = phi i32 [ 0, %bb.2]
  br label %bb.2
}