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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -loop-deletion -enable-new-pm=0 < %s | FileCheck %s
; Make sure this does not crash due to incorrect SCEV invalidation (PR49967).
define void @test() {
; CHECK-LABEL: @test(
; CHECK-NEXT: entry:
; CHECK-NEXT: br label [[VECTOR_PH:%.*]]
; CHECK: vector.ph:
; CHECK-NEXT: br label [[FOR_BODY63:%.*]]
; CHECK: for.cond.cleanup62:
; CHECK-NEXT: br label [[FOR_BODY151_PREHEADER:%.*]]
; CHECK: for.body151.preheader:
; CHECK-NEXT: br label [[FOR_COND_CLEANUP150_LOOPEXIT:%.*]]
; CHECK: for.body63:
; CHECK-NEXT: [[I58_010:%.*]] = phi i16 [ 32, [[VECTOR_PH]] ]
; CHECK-NEXT: store i16 undef, i16* undef, align 1
; CHECK-NEXT: [[INC89:%.*]] = add nuw nsw i16 [[I58_010]], 1
; CHECK-NEXT: [[EXITCOND12_NOT:%.*]] = icmp eq i16 [[INC89]], 33
; CHECK-NEXT: br label [[FOR_COND_CLEANUP62:%.*]]
; CHECK: for.cond.cleanup150.loopexit:
; CHECK-NEXT: unreachable
;
entry:
br label %vector.ph
vector.ph: ; preds = %for.cond.cleanup62, %entry
br label %for.body63
for.cond.cleanup62: ; preds = %for.body63
br i1 true, label %for.body151.preheader, label %vector.ph
for.body151.preheader: ; preds = %for.cond.cleanup62
br label %for.body151
for.body63: ; preds = %for.body63, %vector.ph
%i58.010 = phi i16 [ 32, %vector.ph ], [ %inc89, %for.body63 ]
store i16 undef, i16* undef, align 1
%inc89 = add nuw nsw i16 %i58.010, 1
%exitcond12.not = icmp eq i16 %inc89, 33
br i1 %exitcond12.not, label %for.cond.cleanup62, label %for.body63
for.cond.cleanup150.loopexit: ; preds = %for.body151
unreachable
for.body151: ; preds = %for.body151.preheader, %for.body151
%i146.29 = phi i16 [ %inc177, %for.body151 ], [ undef, %for.body151.preheader ]
%inc177 = add nuw nsw i16 %i146.29, 1
%exitcond.not = icmp eq i16 %inc177, 32
br i1 %exitcond.not, label %for.cond.cleanup150.loopexit, label %for.body151
}
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