File: pr62058.ll

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llvm-toolchain-20 1%3A20.1.6-1~exp1
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
; RUN: opt < %s -simple-loop-unswitch-inject-invariant-conditions=true -passes='loop(simple-loop-unswitch<nontrivial>)' -S | FileCheck %s

@global = external dso_local local_unnamed_addr global i64, align 8

define dso_local void @test() local_unnamed_addr #0 {
; CHECK-LABEL: define dso_local void @test() local_unnamed_addr {
; CHECK-NEXT:  bb:
; CHECK-NEXT:    br label [[BB1:%.*]]
; CHECK:       bb1:
; CHECK-NEXT:    [[CALL:%.*]] = tail call noundef ptr @widget()
; CHECK-NEXT:    [[ICMP:%.*]] = icmp slt ptr [[CALL]], null
; CHECK-NEXT:    br i1 [[ICMP]], label [[BB2:%.*]], label [[BB1]]
; CHECK:       bb2:
; CHECK-NEXT:    ret void
;
bb:
  br label %bb1

bb1:                                              ; preds = %bb1, %bb
  %call = tail call noundef ptr @widget()
  %icmp = icmp slt ptr %call, null
  br i1 %icmp, label %bb2, label %bb1

bb2:                                              ; preds = %bb1
  ret void
}

declare ptr @widget() local_unnamed_addr #0