test/Transforms/LoopDeletion/pr62160.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
; RUN: opt -S -passes=loop-deletion < %s | FileCheck %s

; Do not try to delete a loop that exits to an EH pad, as we can't directly
; branch to it. We would need a different approach here that still retains
; the invoke.

define i32 @test() mustprogress personality ptr poison {
; CHECK-LABEL: define i32 @test
; CHECK-SAME: () #[[ATTR0:[0-9]+]] personality ptr poison {
; CHECK-NEXT:  entry:
; CHECK-NEXT:    br label [[LOOP:%.*]]
; CHECK:       loop:
; CHECK-NEXT:    invoke void @llvm.donothing()
; CHECK-NEXT:    to label [[LOOP_LATCH:%.*]] unwind label [[LPAD:%.*]]
; CHECK:       lpad:
; CHECK-NEXT:    [[LP:%.*]] = landingpad { ptr, i32 }
; CHECK-NEXT:    cleanup
; CHECK-NEXT:    resume { ptr, i32 } [[LP]]
; CHECK:       loop.latch:
; CHECK-NEXT:    br label [[LOOP]]
;
entry:
  br label %loop

loop:
  invoke void @llvm.donothing()
  to label %loop.latch unwind label %lpad

lpad:
  %lp = landingpad { ptr, i32 }
  cleanup
  resume { ptr, i32 } %lp

loop.latch:
  br label %loop
}

declare void @llvm.donothing()