; LLVM IR from kazunetakahashi/atcoder :: 201510_201609/1219/I.ll (Z8writeansii)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

@a = external dso_local global [100010 x i32], align 16
@ans = external dso_local global [100010 x i32], align 16

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_Z8writeansii(i32 noundef %0, i32 noundef %1) #0 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  store i32 %0, ptr %3, align 4, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !5
  %5 = load i32, ptr %3, align 4, !tbaa !5
  %6 = sext i32 %5 to i64
  %7 = getelementptr inbounds [100010 x i32], ptr @ans, i64 0, i64 %6
  %8 = load i32, ptr %7, align 4, !tbaa !5
  %9 = icmp eq i32 %8, -1
  br i1 %9, label %10, label %15

10:                                               ; preds = %2
  %11 = load i32, ptr %4, align 4, !tbaa !5
  %12 = load i32, ptr %3, align 4, !tbaa !5
  %13 = sext i32 %12 to i64
  %14 = getelementptr inbounds [100010 x i32], ptr @ans, i64 0, i64 %13
  store i32 %11, ptr %14, align 4, !tbaa !5
  br label %72

15:                                               ; preds = %2
  %16 = load i32, ptr %3, align 4, !tbaa !5
  %17 = sext i32 %16 to i64
  %18 = getelementptr inbounds [100010 x i32], ptr @a, i64 0, i64 %17
  %19 = load i32, ptr %18, align 4, !tbaa !5
  %20 = load i32, ptr %4, align 4, !tbaa !5
  %21 = sub nsw i32 %19, %20
  %22 = call i32 @llvm.abs.i32(i32 %21, i1 true)
  %23 = load i32, ptr %3, align 4, !tbaa !5
  %24 = sext i32 %23 to i64
  %25 = getelementptr inbounds [100010 x i32], ptr @a, i64 0, i64 %24
  %26 = load i32, ptr %25, align 4, !tbaa !5
  %27 = load i32, ptr %3, align 4, !tbaa !5
  %28 = sext i32 %27 to i64
  %29 = getelementptr inbounds [100010 x i32], ptr @ans, i64 0, i64 %28
  %30 = load i32, ptr %29, align 4, !tbaa !5
  %31 = sub nsw i32 %26, %30
  %32 = call i32 @llvm.abs.i32(i32 %31, i1 true)
  %33 = icmp slt i32 %22, %32
  br i1 %33, label %34, label %39

34:                                               ; preds = %15
  %35 = load i32, ptr %4, align 4, !tbaa !5
  %36 = load i32, ptr %3, align 4, !tbaa !5
  %37 = sext i32 %36 to i64
  %38 = getelementptr inbounds [100010 x i32], ptr @ans, i64 0, i64 %37
  store i32 %35, ptr %38, align 4, !tbaa !5
  br label %71

39:                                               ; preds = %15
  %40 = load i32, ptr %3, align 4, !tbaa !5
  %41 = sext i32 %40 to i64
  %42 = getelementptr inbounds [100010 x i32], ptr @a, i64 0, i64 %41
  %43 = load i32, ptr %42, align 4, !tbaa !5
  %44 = load i32, ptr %4, align 4, !tbaa !5
  %45 = sub nsw i32 %43, %44
  %46 = call i32 @llvm.abs.i32(i32 %45, i1 true)
  %47 = load i32, ptr %3, align 4, !tbaa !5
  %48 = sext i32 %47 to i64
  %49 = getelementptr inbounds [100010 x i32], ptr @a, i64 0, i64 %48
  %50 = load i32, ptr %49, align 4, !tbaa !5
  %51 = load i32, ptr %3, align 4, !tbaa !5
  %52 = sext i32 %51 to i64
  %53 = getelementptr inbounds [100010 x i32], ptr @ans, i64 0, i64 %52
  %54 = load i32, ptr %53, align 4, !tbaa !5
  %55 = sub nsw i32 %50, %54
  %56 = call i32 @llvm.abs.i32(i32 %55, i1 true)
  %57 = icmp eq i32 %46, %56
  br i1 %57, label %58, label %70

58:                                               ; preds = %39
  %59 = load i32, ptr %4, align 4, !tbaa !5
  %60 = load i32, ptr %3, align 4, !tbaa !5
  %61 = sext i32 %60 to i64
  %62 = getelementptr inbounds [100010 x i32], ptr @ans, i64 0, i64 %61
  %63 = load i32, ptr %62, align 4, !tbaa !5
  %64 = icmp slt i32 %59, %63
  br i1 %64, label %65, label %70

65:                                               ; preds = %58
  %66 = load i32, ptr %4, align 4, !tbaa !5
  %67 = load i32, ptr %3, align 4, !tbaa !5
  %68 = sext i32 %67 to i64
  %69 = getelementptr inbounds [100010 x i32], ptr @ans, i64 0, i64 %68
  store i32 %66, ptr %69, align 4, !tbaa !5
  br label %70

70:                                               ; preds = %65, %58, %39
  br label %71

71:                                               ; preds = %70, %34
  br label %72

72:                                               ; preds = %71, %10
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.abs.i32(i32, i1 immarg) #1

attributes #0 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

@a = external dso_local local_unnamed_addr global [100010 x i32], align 16
@ans = external dso_local local_unnamed_addr global [100010 x i32], align 16

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(readwrite, argmem: none, inaccessiblemem: none) uwtable
define dso_local void @_Z8writeansii(i32 noundef %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = sext i32 %0 to i64
  %4 = getelementptr inbounds [100010 x i32], ptr @ans, i64 0, i64 %3
  %5 = load i32, ptr %4, align 4, !tbaa !5
  %6 = icmp eq i32 %5, -1
  br i1 %6, label %.sink.split, label %7

7:                                                ; preds = %2
  %8 = getelementptr inbounds [100010 x i32], ptr @a, i64 0, i64 %3
  %9 = load i32, ptr %8, align 4, !tbaa !5
  %10 = sub nsw i32 %9, %1
  %11 = tail call i32 @llvm.abs.i32(i32 %10, i1 true)
  %12 = sub nsw i32 %9, %5
  %13 = tail call i32 @llvm.abs.i32(i32 %12, i1 true)
  %14 = icmp ult i32 %11, %13
  br i1 %14, label %.sink.split, label %15

15:                                               ; preds = %7
  %16 = icmp eq i32 %11, %13
  %17 = icmp sgt i32 %5, %1
  %or.cond = and i1 %17, %16
  br i1 %or.cond, label %.sink.split, label %18

.sink.split:                                      ; preds = %15, %7, %2
  store i32 %1, ptr %4, align 4, !tbaa !5
  br label %18

18:                                               ; preds = %.sink.split, %15
  ret void
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.abs.i32(i32, i1 immarg) #1

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(readwrite, argmem: none, inaccessiblemem: none) uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass