; LLVM IR from HRI-EU/Rcs :: src/RcsCore (Rcs_MatNd)

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

; 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
declare dso_local ptr @MatNd_create(i32 noundef, i32 noundef) #1

; Function Attrs: nounwind uwtable
declare dso_local void @MatNd_fromString(ptr noundef, ptr noundef) #1

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

9:                                                ; preds = %1
  store ptr null, ptr %2, align 8
  br label %45

10:                                               ; preds = %1
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #2
  store i32 0, ptr %4, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #2
  %11 = load ptr, ptr %3, align 8, !tbaa !5
  store ptr %11, ptr %5, align 8, !tbaa !5
  br label %12

12:                                               ; preds = %34, %10
  %13 = load ptr, ptr %5, align 8, !tbaa !5
  %14 = load i8, ptr %13, align 1, !tbaa !11
  %15 = sext i8 %14 to i32
  %16 = icmp ne i32 %15, 0
  br i1 %16, label %17, label %37

17:                                               ; preds = %12
  %18 = load ptr, ptr %5, align 8, !tbaa !5
  %19 = load i8, ptr %18, align 1, !tbaa !11
  %20 = sext i8 %19 to i32
  %21 = icmp eq i32 %20, 32
  br i1 %21, label %22, label %25

22:                                               ; preds = %17
  %23 = load i32, ptr %4, align 4, !tbaa !9
  %24 = add nsw i32 %23, 1
  store i32 %24, ptr %4, align 4, !tbaa !9
  br label %34

25:                                               ; preds = %17
  %26 = load ptr, ptr %5, align 8, !tbaa !5
  %27 = load i8, ptr %26, align 1, !tbaa !11
  %28 = sext i8 %27 to i32
  %29 = icmp eq i32 %28, 44
  br i1 %29, label %30, label %33

30:                                               ; preds = %25
  %31 = load i32, ptr %4, align 4, !tbaa !9
  %32 = add nsw i32 %31, -1
  store i32 %32, ptr %4, align 4, !tbaa !9
  br label %33

33:                                               ; preds = %30, %25
  br label %34

34:                                               ; preds = %33, %22
  %35 = load ptr, ptr %5, align 8, !tbaa !5
  %36 = getelementptr inbounds i8, ptr %35, i32 1
  store ptr %36, ptr %5, align 8, !tbaa !5
  br label %12, !llvm.loop !12

37:                                               ; preds = %12
  %38 = load i32, ptr %4, align 4, !tbaa !9
  %39 = add nsw i32 %38, 1
  store i32 %39, ptr %4, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #2
  %40 = load i32, ptr %4, align 4, !tbaa !9
  %41 = call ptr @MatNd_create(i32 noundef 1, i32 noundef %40)
  store ptr %41, ptr %6, align 8, !tbaa !5
  %42 = load ptr, ptr %6, align 8, !tbaa !5
  %43 = load ptr, ptr %3, align 8, !tbaa !5
  call void @MatNd_fromString(ptr noundef %42, ptr noundef %43)
  %44 = load ptr, ptr %6, align 8, !tbaa !5
  store ptr %44, ptr %2, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #2
  br label %45

45:                                               ; preds = %37, %9
  %46 = load ptr, ptr %2, align 8
  ret ptr %46
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!7, !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}


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

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

; Function Attrs: nounwind uwtable
define dso_local noundef ptr @MatNd_createFromString(ptr noundef %0) local_unnamed_addr #0 {
  %2 = icmp eq ptr %0, null
  br i1 %2, label %13, label %.preheader

.preheader:                                       ; preds = %1, %8
  %.014 = phi i32 [ %.1, %8 ], [ 0, %1 ]
  %.013 = phi ptr [ %9, %8 ], [ %0, %1 ]
  %3 = load i8, ptr %.013, align 1, !tbaa !5
  switch i8 %3, label %8 [
    i8 0, label %10
    i8 32, label %4
    i8 44, label %6
  ]

4:                                                ; preds = %.preheader
  %5 = add nsw i32 %.014, 1
  br label %8

6:                                                ; preds = %.preheader
  %7 = add nsw i32 %.014, -1
  br label %8

8:                                                ; preds = %.preheader, %6, %4
  %.1 = phi i32 [ %5, %4 ], [ %7, %6 ], [ %.014, %.preheader ]
  %9 = getelementptr inbounds i8, ptr %.013, i64 1
  br label %.preheader, !llvm.loop !8

10:                                               ; preds = %.preheader
  %11 = add nsw i32 %.014, 1
  %12 = tail call ptr @MatNd_create(i32 noundef 1, i32 noundef %11)
  tail call void @MatNd_fromString(ptr noundef %12, ptr noundef nonnull %0)
  br label %13

13:                                               ; preds = %1, %10
  %.0 = phi ptr [ %12, %10 ], [ null, %1 ]
  ret ptr %.0
}

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" }

!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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}
!8 = distinct !{!8, !9}
!9 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,LCSSAPass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass