; LLVM IR from gargarchit/Data_Structure_n_Algorithms :: Algorithms (sparse_matrix_representation)

; 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"

@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [19 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [22 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local void @getMatrix(i32 noundef, i32 noundef, ptr noundef) #0

declare i32 @printf(ptr noundef, ...) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

declare i32 @__isoc99_scanf(ptr noundef, ...) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: nounwind uwtable
declare dso_local i32 @sparseRep(i32 noundef, i32 noundef, ptr noundef) #0

; Function Attrs: nounwind uwtable
declare dso_local void @sparseMatrix(ptr noundef, ptr noundef, i32 noundef, i32 noundef, i32 noundef) #0

; Function Attrs: nounwind uwtable
define dso_local void @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca [10 x [10 x i32]], align 16
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %1) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #4
  call void @llvm.lifetime.start.p0(i64 400, ptr %3) #4
  %10 = call i32 (ptr, ...) @printf(ptr noundef @.str.2)
  %11 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %1)
  %12 = call i32 (ptr, ...) @printf(ptr noundef @.str.3)
  %13 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %2)
  %14 = load i32, ptr %1, align 4, !tbaa !5
  %15 = load i32, ptr %2, align 4, !tbaa !5
  %16 = getelementptr inbounds [10 x [10 x i32]], ptr %3, i64 0, i64 0
  call void @getMatrix(i32 noundef %14, i32 noundef %15, ptr noundef %16)
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #4
  %17 = load i32, ptr %1, align 4, !tbaa !5
  %18 = load i32, ptr %2, align 4, !tbaa !5
  %19 = getelementptr inbounds [10 x [10 x i32]], ptr %3, i64 0, i64 0
  %20 = call i32 @sparseRep(i32 noundef %17, i32 noundef %18, ptr noundef %19)
  store i32 %20, ptr %4, align 4, !tbaa !5
  %21 = load i32, ptr %4, align 4, !tbaa !5
  %22 = zext i32 %21 to i64
  %23 = call ptr @llvm.stacksave.p0()
  store ptr %23, ptr %5, align 8
  %24 = alloca [3 x i32], i64 %22, align 16
  store i64 %22, ptr %6, align 8
  %25 = getelementptr inbounds [10 x [10 x i32]], ptr %3, i64 0, i64 0
  %26 = load i32, ptr %4, align 4, !tbaa !5
  %27 = load i32, ptr %1, align 4, !tbaa !5
  %28 = load i32, ptr %2, align 4, !tbaa !5
  call void @sparseMatrix(ptr noundef %24, ptr noundef %25, i32 noundef %26, i32 noundef %27, i32 noundef %28)
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  store i32 0, ptr %7, align 4, !tbaa !5
  br label %29

29:                                               ; preds = %53, %0
  %30 = load i32, ptr %7, align 4, !tbaa !5
  %31 = load i32, ptr %4, align 4, !tbaa !5
  %32 = icmp sle i32 %30, %31
  br i1 %32, label %34, label %33

33:                                               ; preds = %29
  store i32 2, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  br label %56

34:                                               ; preds = %29
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #4
  store i32 0, ptr %9, align 4, !tbaa !5
  br label %35

35:                                               ; preds = %48, %34
  %36 = load i32, ptr %9, align 4, !tbaa !5
  %37 = icmp slt i32 %36, 3
  br i1 %37, label %39, label %38

38:                                               ; preds = %35
  store i32 5, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #4
  br label %51

39:                                               ; preds = %35
  %40 = load i32, ptr %7, align 4, !tbaa !5
  %41 = sext i32 %40 to i64
  %42 = getelementptr inbounds [3 x i32], ptr %24, i64 %41
  %43 = load i32, ptr %9, align 4, !tbaa !5
  %44 = sext i32 %43 to i64
  %45 = getelementptr inbounds [3 x i32], ptr %42, i64 0, i64 %44
  %46 = load i32, ptr %45, align 4, !tbaa !5
  %47 = call i32 (ptr, ...) @printf(ptr noundef @.str.4, i32 noundef %46)
  br label %48

48:                                               ; preds = %39
  %49 = load i32, ptr %9, align 4, !tbaa !5
  %50 = add nsw i32 %49, 1
  store i32 %50, ptr %9, align 4, !tbaa !5
  br label %35, !llvm.loop !9

51:                                               ; preds = %38
  %52 = call i32 (ptr, ...) @printf(ptr noundef @.str.5)
  br label %53

53:                                               ; preds = %51
  %54 = load i32, ptr %7, align 4, !tbaa !5
  %55 = add nsw i32 %54, 1
  store i32 %55, ptr %7, align 4, !tbaa !5
  br label %29, !llvm.loop !11

56:                                               ; preds = %33
  %57 = load ptr, ptr %5, align 8
  call void @llvm.stackrestore.p0(ptr %57)
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 400, ptr %3) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %1) #4
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #3

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #3

attributes #0 = { 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 = { "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 #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { nocallback nofree nosync nounwind willreturn }
attributes #4 = { nounwind }

!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/C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}


; 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"

@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [19 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [22 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local void @getMatrix(i32 noundef, i32 noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: nounwind uwtable
declare dso_local i32 @sparseRep(i32 noundef, i32 noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local void @sparseMatrix(ptr noundef, ptr noundef, i32 noundef, i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local void @main() local_unnamed_addr #0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca [10 x [10 x i32]], align 16
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #4
  call void @llvm.lifetime.start.p0(i64 400, ptr nonnull %3) #4
  %4 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2)
  %5 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %1)
  %6 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3)
  %7 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %2)
  %8 = load i32, ptr %1, align 4, !tbaa !5
  %9 = load i32, ptr %2, align 4, !tbaa !5
  call void @getMatrix(i32 noundef %8, i32 noundef %9, ptr noundef nonnull %3)
  %10 = load i32, ptr %1, align 4, !tbaa !5
  %11 = load i32, ptr %2, align 4, !tbaa !5
  %12 = call i32 @sparseRep(i32 noundef %10, i32 noundef %11, ptr noundef nonnull %3)
  %13 = zext i32 %12 to i64
  %14 = call ptr @llvm.stacksave.p0()
  %15 = alloca [3 x i32], i64 %13, align 16
  %16 = load i32, ptr %1, align 4, !tbaa !5
  %17 = load i32, ptr %2, align 4, !tbaa !5
  call void @sparseMatrix(ptr noundef nonnull %15, ptr noundef nonnull %3, i32 noundef %12, i32 noundef %16, i32 noundef %17)
  %.not11 = icmp slt i32 %12, 0
  br i1 %.not11, label %._crit_edge, label %.preheader.preheader

.preheader.preheader:                             ; preds = %0
  %18 = add nuw i32 %12, 1
  %wide.trip.count = zext i32 %18 to i64
  br label %.preheader

.preheader:                                       ; preds = %.preheader.preheader, %.preheader
  %indvars.iv = phi i64 [ 0, %.preheader.preheader ], [ %indvars.iv.next, %.preheader ]
  %19 = getelementptr inbounds [3 x i32], ptr %15, i64 %indvars.iv, i64 0
  %20 = load i32, ptr %19, align 4, !tbaa !5
  %21 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.4, i32 noundef %20)
  %22 = getelementptr inbounds [3 x i32], ptr %15, i64 %indvars.iv, i64 1
  %23 = load i32, ptr %22, align 4, !tbaa !5
  %24 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.4, i32 noundef %23)
  %25 = getelementptr inbounds [3 x i32], ptr %15, i64 %indvars.iv, i64 2
  %26 = load i32, ptr %25, align 4, !tbaa !5
  %27 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.4, i32 noundef %26)
  %28 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.5)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge, label %.preheader, !llvm.loop !9

._crit_edge:                                      ; preds = %.preheader, %0
  call void @llvm.stackrestore.p0(ptr %14)
  call void @llvm.lifetime.end.p0(i64 400, ptr nonnull %3) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #4
  ret void
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #3

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #3

attributes #0 = { 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 = { nofree nounwind "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 #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { mustprogress nocallback nofree nosync nounwind willreturn }
attributes #4 = { nounwind }

!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/C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass