; LLVM IR from harharkh/sb_desc :: src (matrix)

; 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"

%struct.sb_mat = type { i64, i64, i64, ptr }

@sb_error_log = external global ptr, align 8
@stderr = external global ptr, align 8
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.11 = external hidden unnamed_addr constant [30 x i8], align 1

; Function Attrs: nounwind
declare i32 @fprintf(ptr noundef, ptr noundef, ...) #0

; Function Attrs: nounwind
declare void @free(ptr noundef) #0

; Function Attrs: noreturn nounwind
declare void @abort() #1

; Function Attrs: nounwind uwtable
define dso_local void @sb_mat_free(ptr noundef %0) #2 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  br label %3

3:                                                ; preds = %1
  %4 = load ptr, ptr %2, align 8, !tbaa !5
  %5 = icmp ne ptr %4, null
  br i1 %5, label %25, label %6

6:                                                ; preds = %3
  %7 = load ptr, ptr @sb_error_log, align 8, !tbaa !5
  %8 = icmp ne ptr %7, null
  br i1 %8, label %9, label %11

9:                                                ; preds = %6
  %10 = load ptr, ptr @sb_error_log, align 8, !tbaa !5
  br label %13

11:                                               ; preds = %6
  %12 = load ptr, ptr @stderr, align 8, !tbaa !5
  br label %13

13:                                               ; preds = %11, %9
  %14 = phi ptr [ %10, %9 ], [ %12, %11 ]
  %15 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %14, ptr noundef @.str.11) #3
  %16 = load ptr, ptr @sb_error_log, align 8, !tbaa !5
  %17 = icmp ne ptr %16, null
  br i1 %17, label %18, label %20

18:                                               ; preds = %13
  %19 = load ptr, ptr @sb_error_log, align 8, !tbaa !5
  br label %22

20:                                               ; preds = %13
  %21 = load ptr, ptr @stderr, align 8, !tbaa !5
  br label %22

22:                                               ; preds = %20, %18
  %23 = phi ptr [ %19, %18 ], [ %21, %20 ]
  %24 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %23, ptr noundef @.str.1) #3
  call void @abort() #4
  unreachable

25:                                               ; preds = %3
  br label %26

26:                                               ; preds = %25
  %27 = load ptr, ptr %2, align 8, !tbaa !5
  %28 = getelementptr inbounds %struct.sb_mat, ptr %27, i32 0, i32 3
  %29 = load ptr, ptr %28, align 8, !tbaa !9
  call void @free(ptr noundef %29) #3
  %30 = load ptr, ptr %2, align 8, !tbaa !5
  call void @free(ptr noundef %30) #3
  ret void
}

attributes #0 = { 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 #1 = { 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 #2 = { 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 #3 = { nounwind }
attributes #4 = { 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 = !{!10, !6, i64 24}
!10 = !{!"", !11, i64 0, !11, i64 8, !11, i64 16, !6, i64 24}
!11 = !{!"long", !7, i64 0}


; 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"

@sb_error_log = external local_unnamed_addr global ptr, align 8
@stderr = external local_unnamed_addr global ptr, align 8
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.11 = external hidden unnamed_addr constant [30 x i8], align 1

; Function Attrs: nofree nounwind
declare noundef i32 @fprintf(ptr nocapture noundef, ptr nocapture noundef readonly, ...) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #1

; Function Attrs: noreturn nounwind
declare void @abort() local_unnamed_addr #2

; Function Attrs: nounwind uwtable
define dso_local void @sb_mat_free(ptr noundef %0) local_unnamed_addr #3 {
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %2, label %11

2:                                                ; preds = %1
  %3 = load ptr, ptr @sb_error_log, align 8
  %.not3 = icmp eq ptr %3, null
  %4 = load ptr, ptr @stderr, align 8
  %5 = select i1 %.not3, ptr %4, ptr %3
  %6 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %5, ptr noundef nonnull @.str.11) #4
  %7 = load ptr, ptr @sb_error_log, align 8
  %.not4 = icmp eq ptr %7, null
  %8 = load ptr, ptr @stderr, align 8
  %9 = select i1 %.not4, ptr %8, ptr %7
  %10 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %9, ptr noundef nonnull @.str.1) #4
  tail call void @abort() #5
  unreachable

11:                                               ; preds = %1
  %12 = getelementptr inbounds i8, ptr %0, i64 24
  %13 = load ptr, ptr %12, align 8, !tbaa !5
  tail call void @free(ptr noundef %13) #4
  tail call void @free(ptr noundef nonnull %0) #4
  ret void
}

attributes #0 = { 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 #1 = { mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, 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 = { 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 }
attributes #5 = { 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, !10, i64 24}
!6 = !{!"", !7, i64 0, !7, i64 8, !7, i64 16, !10, i64 24}
!7 = !{!"long", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}


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