; LLVM IR from soupi/3-C-Sorting-Algorithms :: InsertionSort (Insertionsort)

; 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 void @Insertionsort(ptr noundef %0, i32 noundef %1, ptr noundef %2, ptr noundef %3) #0 {
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !9
  store ptr %2, ptr %7, align 8, !tbaa !5
  store ptr %3, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #2
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #2
  store i32 1, ptr %10, align 4, !tbaa !9
  br label %11

11:                                               ; preds = %41, %4
  %12 = load i32, ptr %10, align 4, !tbaa !9
  %13 = load i32, ptr %6, align 4, !tbaa !9
  %14 = icmp slt i32 %12, %13
  br i1 %14, label %15, label %44

15:                                               ; preds = %11
  %16 = load i32, ptr %10, align 4, !tbaa !9
  %17 = sub nsw i32 %16, 1
  store i32 %17, ptr %9, align 4, !tbaa !9
  br label %18

18:                                               ; preds = %37, %15
  %19 = load i32, ptr %9, align 4, !tbaa !9
  %20 = icmp sle i32 0, %19
  br i1 %20, label %21, label %40

21:                                               ; preds = %18
  %22 = load ptr, ptr %7, align 8, !tbaa !5
  %23 = load ptr, ptr %5, align 8, !tbaa !5
  %24 = load i32, ptr %9, align 4, !tbaa !9
  %25 = load i32, ptr %9, align 4, !tbaa !9
  %26 = add nsw i32 %25, 1
  %27 = call i32 %22(ptr noundef %23, i32 noundef %24, i32 noundef %26)
  %28 = icmp ne i32 %27, 0
  br i1 %28, label %35, label %29

29:                                               ; preds = %21
  %30 = load ptr, ptr %8, align 8, !tbaa !5
  %31 = load ptr, ptr %5, align 8, !tbaa !5
  %32 = load i32, ptr %9, align 4, !tbaa !9
  %33 = load i32, ptr %9, align 4, !tbaa !9
  %34 = add nsw i32 %33, 1
  call void %30(ptr noundef %31, i32 noundef %32, i32 noundef %34)
  br label %36

35:                                               ; preds = %21
  store i32 0, ptr %9, align 4, !tbaa !9
  br label %36

36:                                               ; preds = %35, %29
  br label %37

37:                                               ; preds = %36
  %38 = load i32, ptr %9, align 4, !tbaa !9
  %39 = add nsw i32 %38, -1
  store i32 %39, ptr %9, align 4, !tbaa !9
  br label %18, !llvm.loop !11

40:                                               ; preds = %18
  br label %41

41:                                               ; preds = %40
  %42 = load i32, ptr %10, align 4, !tbaa !9
  %43 = add nsw i32 %42, 1
  store i32 %43, ptr %10, align 4, !tbaa !9
  br label %11, !llvm.loop !13

44:                                               ; preds = %11
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #2
  ret void
}

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

; 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 }

!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: nounwind uwtable
define dso_local void @Insertionsort(ptr noundef %0, i32 noundef %1, ptr nocapture noundef readonly %2, ptr nocapture noundef readonly %3) local_unnamed_addr #0 {
  %5 = icmp sgt i32 %1, 1
  br i1 %5, label %.preheader, label %._crit_edge

.preheader:                                       ; preds = %4, %.thread
  %.017 = phi i32 [ %10, %.thread ], [ 1, %4 ]
  br label %6

6:                                                ; preds = %.preheader, %8
  %.013.in15 = phi i32 [ %.017, %.preheader ], [ %.01316, %8 ]
  %.01316 = add nsw i32 %.013.in15, -1
  %7 = tail call i32 %2(ptr noundef %0, i32 noundef %.01316, i32 noundef %.013.in15) #1
  %.not = icmp eq i32 %7, 0
  br i1 %.not, label %8, label %.thread

8:                                                ; preds = %6
  tail call void %3(ptr noundef %0, i32 noundef %.01316, i32 noundef %.013.in15) #1
  %9 = icmp sgt i32 %.013.in15, 1
  br i1 %9, label %6, label %.thread, !llvm.loop !5

.thread:                                          ; preds = %6, %8
  %10 = add nuw nsw i32 %.017, 1
  %exitcond.not = icmp eq i32 %10, %1
  br i1 %exitcond.not, label %._crit_edge, label %.preheader, !llvm.loop !7

._crit_edge:                                      ; preds = %.thread, %4
  ret void
}

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 = { 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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}
!7 = distinct !{!7, !6}


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