; LLVM IR from VastoLorde95/Competitive-Programming :: Codeforces/208 Division 2/Problem E/E.ll (Z3getiiii)

; 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"

@r = external dso_local global [1010 x [1010 x i32]], align 16
@c = external dso_local global [1010 x [1010 x i32]], align 16

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef i32 @_Z3getiiii(i32 noundef %0, i32 noundef %1, i32 noundef %2, i32 noundef %3) #0 {
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  store i32 %0, ptr %6, align 4, !tbaa !5
  store i32 %1, ptr %7, align 4, !tbaa !5
  store i32 %2, ptr %8, align 4, !tbaa !5
  store i32 %3, ptr %9, align 4, !tbaa !5
  %10 = load i32, ptr %6, align 4, !tbaa !5
  %11 = load i32, ptr %8, align 4, !tbaa !5
  %12 = icmp eq i32 %10, %11
  br i1 %12, label %13, label %30

13:                                               ; preds = %4
  %14 = load i32, ptr %6, align 4, !tbaa !5
  %15 = sext i32 %14 to i64
  %16 = getelementptr inbounds [1010 x [1010 x i32]], ptr @r, i64 0, i64 %15
  %17 = load i32, ptr %7, align 4, !tbaa !5
  %18 = sext i32 %17 to i64
  %19 = getelementptr inbounds [1010 x i32], ptr %16, i64 0, i64 %18
  %20 = load i32, ptr %19, align 4, !tbaa !5
  %21 = load i32, ptr %6, align 4, !tbaa !5
  %22 = sext i32 %21 to i64
  %23 = getelementptr inbounds [1010 x [1010 x i32]], ptr @r, i64 0, i64 %22
  %24 = load i32, ptr %9, align 4, !tbaa !5
  %25 = sext i32 %24 to i64
  %26 = getelementptr inbounds [1010 x i32], ptr %23, i64 0, i64 %25
  %27 = load i32, ptr %26, align 4, !tbaa !5
  %28 = sub nsw i32 %20, %27
  %29 = call i32 @llvm.abs.i32(i32 %28, i1 true)
  store i32 %29, ptr %5, align 4
  br label %47

30:                                               ; preds = %4
  %31 = load i32, ptr %6, align 4, !tbaa !5
  %32 = sext i32 %31 to i64
  %33 = getelementptr inbounds [1010 x [1010 x i32]], ptr @c, i64 0, i64 %32
  %34 = load i32, ptr %7, align 4, !tbaa !5
  %35 = sext i32 %34 to i64
  %36 = getelementptr inbounds [1010 x i32], ptr %33, i64 0, i64 %35
  %37 = load i32, ptr %36, align 4, !tbaa !5
  %38 = load i32, ptr %8, align 4, !tbaa !5
  %39 = sext i32 %38 to i64
  %40 = getelementptr inbounds [1010 x [1010 x i32]], ptr @c, i64 0, i64 %39
  %41 = load i32, ptr %9, align 4, !tbaa !5
  %42 = sext i32 %41 to i64
  %43 = getelementptr inbounds [1010 x i32], ptr %40, i64 0, i64 %42
  %44 = load i32, ptr %43, align 4, !tbaa !5
  %45 = sub nsw i32 %37, %44
  %46 = call i32 @llvm.abs.i32(i32 %45, i1 true)
  store i32 %46, ptr %5, align 4
  br label %47

47:                                               ; preds = %30, %13
  %48 = load i32, ptr %5, align 4
  ret i32 %48
}

; 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"

@r = external dso_local local_unnamed_addr global [1010 x [1010 x i32]], align 16
@c = external dso_local local_unnamed_addr global [1010 x [1010 x i32]], align 16

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(read, inaccessiblemem: none) uwtable
define dso_local noundef range(i32 0, -2147483648) i32 @_Z3getiiii(i32 noundef %0, i32 noundef %1, i32 noundef %2, i32 noundef %3) local_unnamed_addr #0 {
  %5 = icmp eq i32 %0, %2
  %6 = sext i32 %0 to i64
  br i1 %5, label %7, label %10

7:                                                ; preds = %4
  %8 = sext i32 %3 to i64
  %9 = getelementptr inbounds [1010 x [1010 x i32]], ptr @r, i64 0, i64 %6, i64 %8
  br label %14

10:                                               ; preds = %4
  %11 = sext i32 %2 to i64
  %12 = sext i32 %3 to i64
  %13 = getelementptr inbounds [1010 x [1010 x i32]], ptr @c, i64 0, i64 %11, i64 %12
  br label %14

14:                                               ; preds = %10, %7
  %.sink = phi ptr [ %13, %10 ], [ %9, %7 ]
  %c.pn = phi ptr [ @c, %10 ], [ @r, %7 ]
  %15 = sext i32 %1 to i64
  %.sink13.in = getelementptr inbounds [1010 x [1010 x i32]], ptr %c.pn, i64 0, i64 %6, i64 %15
  %.sink13 = load i32, ptr %.sink13.in, align 4, !tbaa !5
  %16 = load i32, ptr %.sink, align 4, !tbaa !5
  %17 = sub nsw i32 %.sink13, %16
  %18 = tail call i32 @llvm.abs.i32(i32 %17, i1 true)
  ret i32 %18
}

; 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(read, 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,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass