; LLVM IR from ElsevierSoftwareX/SOFTX-D-20-00016 :: GameplayFootball/src/misc (hungarian)

; 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"

; Function Attrs: nounwind uwtable
define dso_local ptr @array_to_matrix(ptr noundef %0, i32 noundef %1, i32 noundef %2) #0 {
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  store i32 %2, ptr %6, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #3
  %10 = load i32, ptr %5, align 4, !tbaa !9
  %11 = sext i32 %10 to i64
  %12 = call noalias ptr @calloc(i64 noundef %11, i64 noundef 8) #4
  store ptr %12, ptr %9, align 8, !tbaa !5
  store i32 0, ptr %7, align 4, !tbaa !9
  br label %13

13:                                               ; preds = %51, %3
  %14 = load i32, ptr %7, align 4, !tbaa !9
  %15 = load i32, ptr %5, align 4, !tbaa !9
  %16 = icmp slt i32 %14, %15
  br i1 %16, label %17, label %54

17:                                               ; preds = %13
  %18 = load i32, ptr %6, align 4, !tbaa !9
  %19 = sext i32 %18 to i64
  %20 = call noalias ptr @calloc(i64 noundef %19, i64 noundef 4) #4
  %21 = load ptr, ptr %9, align 8, !tbaa !5
  %22 = load i32, ptr %7, align 4, !tbaa !9
  %23 = sext i32 %22 to i64
  %24 = getelementptr inbounds ptr, ptr %21, i64 %23
  store ptr %20, ptr %24, align 8, !tbaa !5
  store i32 0, ptr %8, align 4, !tbaa !9
  br label %25

25:                                               ; preds = %47, %17
  %26 = load i32, ptr %8, align 4, !tbaa !9
  %27 = load i32, ptr %6, align 4, !tbaa !9
  %28 = icmp slt i32 %26, %27
  br i1 %28, label %29, label %50

29:                                               ; preds = %25
  %30 = load ptr, ptr %4, align 8, !tbaa !5
  %31 = load i32, ptr %7, align 4, !tbaa !9
  %32 = load i32, ptr %6, align 4, !tbaa !9
  %33 = mul nsw i32 %31, %32
  %34 = load i32, ptr %8, align 4, !tbaa !9
  %35 = add nsw i32 %33, %34
  %36 = sext i32 %35 to i64
  %37 = getelementptr inbounds i32, ptr %30, i64 %36
  %38 = load i32, ptr %37, align 4, !tbaa !9
  %39 = load ptr, ptr %9, align 8, !tbaa !5
  %40 = load i32, ptr %7, align 4, !tbaa !9
  %41 = sext i32 %40 to i64
  %42 = getelementptr inbounds ptr, ptr %39, i64 %41
  %43 = load ptr, ptr %42, align 8, !tbaa !5
  %44 = load i32, ptr %8, align 4, !tbaa !9
  %45 = sext i32 %44 to i64
  %46 = getelementptr inbounds i32, ptr %43, i64 %45
  store i32 %38, ptr %46, align 4, !tbaa !9
  br label %47

47:                                               ; preds = %29
  %48 = load i32, ptr %8, align 4, !tbaa !9
  %49 = add nsw i32 %48, 1
  store i32 %49, ptr %8, align 4, !tbaa !9
  br label %25, !llvm.loop !11

50:                                               ; preds = %25
  br label %51

51:                                               ; preds = %50
  %52 = load i32, ptr %7, align 4, !tbaa !9
  %53 = add nsw i32 %52, 1
  store i32 %53, ptr %7, align 4, !tbaa !9
  br label %13, !llvm.loop !13

54:                                               ; preds = %13
  %55 = load ptr, ptr %9, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  ret ptr %55
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nounwind allocsize(0,1)
declare noalias ptr @calloc(i64 noundef, i64 noundef) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nounwind allocsize(0,1) "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 #3 = { nounwind }
attributes #4 = { nounwind allocsize(0,1) }

!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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}


; 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"

; Function Attrs: nofree nounwind uwtable
define dso_local noalias noundef ptr @array_to_matrix(ptr nocapture noundef readonly %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #0 {
  %4 = sext i32 %1 to i64
  %5 = tail call noalias ptr @calloc(i64 noundef %4, i64 noundef 8) #3
  %6 = icmp sgt i32 %1, 0
  br i1 %6, label %.lr.ph22, label %._crit_edge23

.lr.ph22:                                         ; preds = %3
  %7 = sext i32 %2 to i64
  %8 = icmp sgt i32 %2, 0
  br i1 %8, label %.lr.ph.us.preheader, label %.lr.ph22.split.preheader

.lr.ph22.split.preheader:                         ; preds = %.lr.ph22
  %wide.trip.count = zext nneg i32 %1 to i64
  br label %.lr.ph22.split

.lr.ph.us.preheader:                              ; preds = %.lr.ph22
  %9 = zext nneg i32 %2 to i64
  %10 = shl nuw nsw i64 %9, 2
  %wide.trip.count30 = zext nneg i32 %1 to i64
  br label %.lr.ph.us

.lr.ph.us:                                        ; preds = %.lr.ph.us.preheader, %.lr.ph.us
  %indvar = phi i64 [ 0, %.lr.ph.us.preheader ], [ %indvar.next, %.lr.ph.us ]
  %11 = mul i64 %10, %indvar
  %scevgep = getelementptr i8, ptr %0, i64 %11
  %12 = tail call noalias ptr @calloc(i64 noundef %7, i64 noundef 4) #3
  %13 = getelementptr inbounds ptr, ptr %5, i64 %indvar
  store ptr %12, ptr %13, align 8, !tbaa !5
  tail call void @llvm.memcpy.p0.p0.i64(ptr align 4 %12, ptr align 4 %scevgep, i64 %10, i1 false), !tbaa !9
  %indvar.next = add nuw nsw i64 %indvar, 1
  %exitcond31.not = icmp eq i64 %indvar.next, %wide.trip.count30
  br i1 %exitcond31.not, label %._crit_edge23, label %.lr.ph.us, !llvm.loop !11

.lr.ph22.split:                                   ; preds = %.lr.ph22.split.preheader, %.lr.ph22.split
  %indvars.iv = phi i64 [ 0, %.lr.ph22.split.preheader ], [ %indvars.iv.next, %.lr.ph22.split ]
  %14 = tail call noalias ptr @calloc(i64 noundef %7, i64 noundef 4) #3
  %15 = getelementptr inbounds ptr, ptr %5, i64 %indvars.iv
  store ptr %14, ptr %15, align 8, !tbaa !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_edge23, label %.lr.ph22.split, !llvm.loop !11

._crit_edge23:                                    ; preds = %.lr.ph22.split, %.lr.ph.us, %3
  ret ptr %5
}

; Function Attrs: mustprogress nofree nounwind willreturn allockind("alloc,zeroed") allocsize(0,1) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @calloc(i64 noundef, i64 noundef) local_unnamed_addr #1

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2

attributes #0 = { nofree 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 = { mustprogress nofree nounwind willreturn allockind("alloc,zeroed") allocsize(0,1) memory(inaccessiblemem: readwrite) "alloc-family"="malloc" "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 nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { nounwind allocsize(0,1) }

!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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


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