llvm/llvm/test/Transforms/LoopStrengthReduce/pr12018.ll

; RUN: opt < %s -loop-reduce
; RUN: opt --try-experimental-debuginfo-iterators < %s -loop-reduce

target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128-n8:16:32-S128"

%struct.nsTArray = type { i8 }
%struct.nsTArrayHeader = type { i32 }

define void @_Z6foobarR8nsTArray(ptr %aValues, i32 %foo, ptr %bar) nounwind {
entry:
  br label %for.body

for.body:                                         ; preds = %_ZN8nsTArray9ElementAtEi.exit, %entry
  %i.06 = phi i32 [ %add, %_ZN8nsTArray9ElementAtEi.exit ], [ 0, %entry ]
  %call.i = call ptr @_ZN8nsTArray4Hdr2Ev() nounwind
  %add.ptr.i = getelementptr inbounds %struct.nsTArrayHeader, ptr %call.i, i32 1
  %arrayidx = getelementptr inbounds %struct.nsTArray, ptr %add.ptr.i, i32 %i.06
  %add = add nsw i32 %i.06, 1
  call void @llvm.dbg.value(metadata ptr %aValues, metadata !0, metadata !DIExpression()) nounwind, !dbg !DILocation(scope: !1)
  br label %_ZN8nsTArray9ElementAtEi.exit

_ZN8nsTArray9ElementAtEi.exit:                    ; preds = %for.body
  %arrayidx.i = getelementptr inbounds %struct.nsTArray, ptr %add.ptr.i, i32 %add
  call void @_ZN11nsTArray15ComputeDistanceERKS_Rd(ptr %arrayidx, ptr %arrayidx.i) nounwind
  %cmp = icmp slt i32 %add, %foo
  br i1 %cmp, label %for.body, label %for.end

for.end:                                          ; preds = %_ZN8nsTArray9ElementAtEi.exit
  ret void
}

declare void @_ZN11nsTArray15ComputeDistanceERKS_Rd(ptr, ptr)

declare ptr @_ZN8nsTArray4Hdr2Ev()

declare void @llvm.dbg.value(metadata, metadata, metadata) nounwind readnone

!0 = !DILocalVariable(scope: !1)
!1 = distinct !DISubprogram()