; LLVM IR from csviragh/robotsim :: src/utilities (datastructs)

; 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"

@stderr = external global ptr, align 8
@.str.4 = external hidden unnamed_addr constant [39 x i8], align 1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

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

; Function Attrs: nounwind
declare i32 @fprintf(ptr noundef, ptr noundef, ...) #2

; Function Attrs: noreturn nounwind
declare void @exit(i32 noundef) #3

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind uwtable
define dso_local ptr @doubleTimeIndexedMatrix(i32 noundef %0, i32 noundef %1, i32 noundef %2) #4 {
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  store i32 %0, ptr %4, align 4, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !5
  store i32 %2, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  %10 = load i32, ptr %4, align 4, !tbaa !5
  %11 = sext i32 %10 to i64
  %12 = call noalias ptr @calloc(i64 noundef %11, i64 noundef 8) #6
  store ptr %12, ptr %7, align 8, !tbaa !9
  %13 = load ptr, ptr %7, align 8, !tbaa !9
  %14 = icmp eq ptr %13, null
  br i1 %14, label %15, label %18

15:                                               ; preds = %3
  %16 = load ptr, ptr @stderr, align 8, !tbaa !9
  %17 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %16, ptr noundef @.str.4) #5
  call void @exit(i32 noundef -1) #7
  unreachable

18:                                               ; preds = %3
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #5
  store i32 0, ptr %8, align 4, !tbaa !5
  br label %19

19:                                               ; preds = %41, %18
  %20 = load i32, ptr %8, align 4, !tbaa !5
  %21 = load i32, ptr %4, align 4, !tbaa !5
  %22 = icmp slt i32 %20, %21
  br i1 %22, label %23, label %44

23:                                               ; preds = %19
  %24 = load i32, ptr %5, align 4, !tbaa !5
  %25 = sext i32 %24 to i64
  %26 = call noalias ptr @calloc(i64 noundef %25, i64 noundef 8) #6
  %27 = load ptr, ptr %7, align 8, !tbaa !9
  %28 = load i32, ptr %8, align 4, !tbaa !5
  %29 = sext i32 %28 to i64
  %30 = getelementptr inbounds ptr, ptr %27, i64 %29
  store ptr %26, ptr %30, align 8, !tbaa !9
  %31 = load ptr, ptr %7, align 8, !tbaa !9
  %32 = load i32, ptr %8, align 4, !tbaa !5
  %33 = sext i32 %32 to i64
  %34 = getelementptr inbounds ptr, ptr %31, i64 %33
  %35 = load ptr, ptr %34, align 8, !tbaa !9
  %36 = icmp eq ptr %35, null
  br i1 %36, label %37, label %40

37:                                               ; preds = %23
  %38 = load ptr, ptr @stderr, align 8, !tbaa !9
  %39 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %38, ptr noundef @.str.4) #5
  call void @exit(i32 noundef -1) #7
  unreachable

40:                                               ; preds = %23
  br label %41

41:                                               ; preds = %40
  %42 = load i32, ptr %8, align 4, !tbaa !5
  %43 = add nsw i32 %42, 1
  store i32 %43, ptr %8, align 4, !tbaa !5
  br label %19, !llvm.loop !11

44:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #5
  store i32 0, ptr %8, align 4, !tbaa !5
  br label %45

45:                                               ; preds = %84, %44
  %46 = load i32, ptr %8, align 4, !tbaa !5
  %47 = load i32, ptr %4, align 4, !tbaa !5
  %48 = icmp slt i32 %46, %47
  br i1 %48, label %49, label %87

49:                                               ; preds = %45
  store i32 0, ptr %9, align 4, !tbaa !5
  br label %50

50:                                               ; preds = %80, %49
  %51 = load i32, ptr %9, align 4, !tbaa !5
  %52 = load i32, ptr %5, align 4, !tbaa !5
  %53 = icmp slt i32 %51, %52
  br i1 %53, label %54, label %83

54:                                               ; preds = %50
  %55 = load i32, ptr %6, align 4, !tbaa !5
  %56 = sext i32 %55 to i64
  %57 = call noalias ptr @calloc(i64 noundef %56, i64 noundef 8) #6
  %58 = load ptr, ptr %7, align 8, !tbaa !9
  %59 = load i32, ptr %8, align 4, !tbaa !5
  %60 = sext i32 %59 to i64
  %61 = getelementptr inbounds ptr, ptr %58, i64 %60
  %62 = load ptr, ptr %61, align 8, !tbaa !9
  %63 = load i32, ptr %9, align 4, !tbaa !5
  %64 = sext i32 %63 to i64
  %65 = getelementptr inbounds ptr, ptr %62, i64 %64
  store ptr %57, ptr %65, align 8, !tbaa !9
  %66 = load ptr, ptr %7, align 8, !tbaa !9
  %67 = load i32, ptr %8, align 4, !tbaa !5
  %68 = sext i32 %67 to i64
  %69 = getelementptr inbounds ptr, ptr %66, i64 %68
  %70 = load ptr, ptr %69, align 8, !tbaa !9
  %71 = load i32, ptr %9, align 4, !tbaa !5
  %72 = sext i32 %71 to i64
  %73 = getelementptr inbounds ptr, ptr %70, i64 %72
  %74 = load ptr, ptr %73, align 8, !tbaa !9
  %75 = icmp eq ptr %74, null
  br i1 %75, label %76, label %79

76:                                               ; preds = %54
  %77 = load ptr, ptr @stderr, align 8, !tbaa !9
  %78 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %77, ptr noundef @.str.4) #5
  call void @exit(i32 noundef -1) #7
  unreachable

79:                                               ; preds = %54
  br label %80

80:                                               ; preds = %79
  %81 = load i32, ptr %9, align 4, !tbaa !5
  %82 = add nsw i32 %81, 1
  store i32 %82, ptr %9, align 4, !tbaa !5
  br label %50, !llvm.loop !13

83:                                               ; preds = %50
  br label %84

84:                                               ; preds = %83
  %85 = load i32, ptr %8, align 4, !tbaa !5
  %86 = add nsw i32 %85, 1
  store i32 %86, ptr %8, align 4, !tbaa !5
  br label %45, !llvm.loop !14

87:                                               ; preds = %45
  %88 = load ptr, ptr %7, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  ret ptr %88
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 #3 = { noreturn 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 #4 = { 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 #5 = { nounwind }
attributes #6 = { nounwind allocsize(0,1) }
attributes #7 = { noreturn 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 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !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"

@stderr = external local_unnamed_addr global ptr, align 8
@.str.4 = external hidden unnamed_addr constant [39 x i8], align 1

; 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 #0

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

; Function Attrs: noreturn nounwind
declare void @exit(i32 noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
define dso_local noalias noundef ptr @doubleTimeIndexedMatrix(i32 noundef %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #3 {
  %4 = sext i32 %0 to i64
  %5 = tail call noalias ptr @calloc(i64 noundef %4, i64 noundef 8) #4
  %6 = icmp eq ptr %5, null
  br i1 %6, label %9, label %.preheader27

.preheader27:                                     ; preds = %3
  %7 = icmp sgt i32 %0, 0
  br i1 %7, label %.lr.ph, label %._crit_edge32

.lr.ph:                                           ; preds = %.preheader27
  %8 = sext i32 %1 to i64
  %wide.trip.count = zext nneg i32 %0 to i64
  br label %22

9:                                                ; preds = %3
  %10 = load ptr, ptr @stderr, align 8, !tbaa !5
  %11 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %10, ptr noundef nonnull @.str.4) #5
  tail call void @exit(i32 noundef -1) #6
  unreachable

12:                                               ; preds = %22
  %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 %.preheader26, label %22, !llvm.loop !9

.preheader26:                                     ; preds = %12
  br i1 %7, label %.preheader.lr.ph, label %._crit_edge32

.preheader.lr.ph:                                 ; preds = %.preheader26
  %13 = icmp sgt i32 %1, 0
  %14 = sext i32 %2 to i64
  br i1 %13, label %.preheader.us.preheader, label %._crit_edge32

.preheader.us.preheader:                          ; preds = %.preheader.lr.ph
  %wide.trip.count43 = zext nneg i32 %0 to i64
  %wide.trip.count38 = zext nneg i32 %1 to i64
  br label %.preheader.us

.preheader.us:                                    ; preds = %.preheader.us.preheader, %._crit_edge.us
  %indvars.iv40 = phi i64 [ 0, %.preheader.us.preheader ], [ %indvars.iv.next41, %._crit_edge.us ]
  %15 = getelementptr inbounds ptr, ptr %5, i64 %indvars.iv40
  %16 = load ptr, ptr %15, align 8, !tbaa !5
  br label %18

17:                                               ; preds = %18
  %indvars.iv.next36 = add nuw nsw i64 %indvars.iv35, 1
  %exitcond39.not = icmp eq i64 %indvars.iv.next36, %wide.trip.count38
  br i1 %exitcond39.not, label %._crit_edge.us, label %18, !llvm.loop !11

18:                                               ; preds = %.preheader.us, %17
  %indvars.iv35 = phi i64 [ 0, %.preheader.us ], [ %indvars.iv.next36, %17 ]
  %19 = tail call noalias ptr @calloc(i64 noundef %14, i64 noundef 8) #4
  %20 = getelementptr inbounds ptr, ptr %16, i64 %indvars.iv35
  store ptr %19, ptr %20, align 8, !tbaa !5
  %21 = icmp eq ptr %19, null
  br i1 %21, label %.split.us, label %17

._crit_edge.us:                                   ; preds = %17
  %indvars.iv.next41 = add nuw nsw i64 %indvars.iv40, 1
  %exitcond44.not = icmp eq i64 %indvars.iv.next41, %wide.trip.count43
  br i1 %exitcond44.not, label %._crit_edge32, label %.preheader.us, !llvm.loop !12

22:                                               ; preds = %.lr.ph, %12
  %indvars.iv = phi i64 [ 0, %.lr.ph ], [ %indvars.iv.next, %12 ]
  %23 = tail call noalias ptr @calloc(i64 noundef %8, i64 noundef 8) #4
  %24 = getelementptr inbounds ptr, ptr %5, i64 %indvars.iv
  store ptr %23, ptr %24, align 8, !tbaa !5
  %25 = icmp eq ptr %23, null
  br i1 %25, label %26, label %12

26:                                               ; preds = %22
  %27 = load ptr, ptr @stderr, align 8, !tbaa !5
  %28 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %27, ptr noundef nonnull @.str.4) #5
  tail call void @exit(i32 noundef -1) #6
  unreachable

.split.us:                                        ; preds = %18
  %29 = load ptr, ptr @stderr, align 8, !tbaa !5
  %30 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %29, ptr noundef nonnull @.str.4) #5
  tail call void @exit(i32 noundef -1) #6
  unreachable

._crit_edge32:                                    ; preds = %._crit_edge.us, %.preheader27, %.preheader.lr.ph, %.preheader26
  ret ptr %5
}

attributes #0 = { 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 #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 = { noreturn 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 #3 = { 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 #4 = { nounwind allocsize(0,1) }
attributes #5 = { cold nounwind }
attributes #6 = { noreturn 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 = !{!"any pointer", !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}
!12 = distinct !{!12, !10}


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