; LLVM IR from sossnowski/telecommand-channel :: prepareData (prepareData)

; 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 @prepareData(ptr noundef %0, ptr noundef %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #4
  %12 = load ptr, ptr %3, align 8, !tbaa !5
  %13 = call i64 @strlen(ptr noundef %12) #5
  %14 = trunc i64 %13 to i32
  store i32 %14, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #4
  store i32 1, ptr %6, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  %15 = load i32, ptr %5, align 4, !tbaa !9
  %16 = sdiv i32 %15, 56
  store i32 %16, ptr %7, align 4, !tbaa !9
  %17 = load i32, ptr %5, align 4, !tbaa !9
  %18 = srem i32 %17, 56
  %19 = icmp ne i32 %18, 0
  br i1 %19, label %20, label %23

20:                                               ; preds = %2
  %21 = load i32, ptr %7, align 4, !tbaa !9
  %22 = add nsw i32 %21, 1
  store i32 %22, ptr %7, align 4, !tbaa !9
  br label %23

23:                                               ; preds = %20, %2
  %24 = load i32, ptr %7, align 4, !tbaa !9
  %25 = mul nsw i32 %24, 2
  store i32 %25, ptr %7, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  %26 = load i32, ptr %7, align 4, !tbaa !9
  %27 = sext i32 %26 to i64
  %28 = mul i64 4, %27
  %29 = call noalias ptr @malloc(i64 noundef %28) #6
  store ptr %29, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #4
  store i32 0, ptr %9, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #4
  store i32 0, ptr %10, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #4
  store i32 0, ptr %11, align 4, !tbaa !9
  br label %30

30:                                               ; preds = %72, %23
  %31 = load i32, ptr %11, align 4, !tbaa !9
  %32 = load i32, ptr %5, align 4, !tbaa !9
  %33 = icmp slt i32 %31, %32
  br i1 %33, label %35, label %34

34:                                               ; preds = %30
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #4
  br label %75

35:                                               ; preds = %30
  %36 = load i32, ptr %10, align 4, !tbaa !9
  %37 = icmp eq i32 %36, 56
  br i1 %37, label %38, label %41

38:                                               ; preds = %35
  %39 = load i32, ptr %9, align 4, !tbaa !9
  %40 = add nsw i32 %39, 1
  store i32 %40, ptr %9, align 4, !tbaa !9
  store i32 0, ptr %10, align 4, !tbaa !9
  store i32 1, ptr %6, align 4, !tbaa !9
  br label %41

41:                                               ; preds = %38, %35
  %42 = load i32, ptr %10, align 4, !tbaa !9
  %43 = icmp eq i32 %42, 32
  br i1 %43, label %44, label %47

44:                                               ; preds = %41
  store i32 1, ptr %6, align 4, !tbaa !9
  %45 = load i32, ptr %9, align 4, !tbaa !9
  %46 = add nsw i32 %45, 1
  store i32 %46, ptr %9, align 4, !tbaa !9
  br label %47

47:                                               ; preds = %44, %41
  %48 = load ptr, ptr %3, align 8, !tbaa !5
  %49 = load i32, ptr %11, align 4, !tbaa !9
  %50 = sext i32 %49 to i64
  %51 = getelementptr inbounds i8, ptr %48, i64 %50
  %52 = load i8, ptr %51, align 1, !tbaa !11
  %53 = sext i8 %52 to i32
  %54 = icmp eq i32 %53, 49
  br i1 %54, label %55, label %67

55:                                               ; preds = %47
  %56 = load ptr, ptr %8, align 8, !tbaa !5
  %57 = load i32, ptr %9, align 4, !tbaa !9
  %58 = sext i32 %57 to i64
  %59 = getelementptr inbounds i32, ptr %56, i64 %58
  %60 = load i32, ptr %59, align 4, !tbaa !9
  %61 = load i32, ptr %6, align 4, !tbaa !9
  %62 = or i32 %60, %61
  %63 = load ptr, ptr %8, align 8, !tbaa !5
  %64 = load i32, ptr %9, align 4, !tbaa !9
  %65 = sext i32 %64 to i64
  %66 = getelementptr inbounds i32, ptr %63, i64 %65
  store i32 %62, ptr %66, align 4, !tbaa !9
  br label %67

67:                                               ; preds = %55, %47
  %68 = load i32, ptr %6, align 4, !tbaa !9
  %69 = shl i32 %68, 1
  store i32 %69, ptr %6, align 4, !tbaa !9
  %70 = load i32, ptr %10, align 4, !tbaa !9
  %71 = add nsw i32 %70, 1
  store i32 %71, ptr %10, align 4, !tbaa !9
  br label %72

72:                                               ; preds = %67
  %73 = load i32, ptr %11, align 4, !tbaa !9
  %74 = add nsw i32 %73, 1
  store i32 %74, ptr %11, align 4, !tbaa !9
  br label %30, !llvm.loop !12

75:                                               ; preds = %34
  %76 = load i32, ptr %7, align 4, !tbaa !9
  %77 = sdiv i32 %76, 2
  %78 = load ptr, ptr %4, align 8, !tbaa !5
  store i32 %77, ptr %78, align 4, !tbaa !9
  %79 = load ptr, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  ret ptr %79
}

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

; Function Attrs: nounwind willreturn memory(read)
declare i64 @strlen(ptr noundef) #2

; Function Attrs: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #3

; 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 willreturn memory(read) "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 allocsize(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 = { nounwind willreturn memory(read) }
attributes #6 = { nounwind allocsize(0) }

!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: nofree nounwind uwtable
define dso_local noalias noundef ptr @prepareData(ptr nocapture noundef readonly %0, ptr nocapture noundef writeonly %1) local_unnamed_addr #0 {
  %3 = tail call i64 @strlen(ptr noundef nonnull dereferenceable(1) %0) #3
  %4 = trunc i64 %3 to i32
  %5 = sdiv i32 %4, 56
  %6 = srem i32 %4, 56
  %.not = icmp ne i32 %6, 0
  %7 = zext i1 %.not to i32
  %spec.select = add nsw i32 %5, %7
  %8 = shl nsw i32 %spec.select, 1
  %9 = sext i32 %8 to i64
  %10 = shl nsw i64 %9, 2
  %11 = tail call noalias ptr @malloc(i64 noundef %10) #4
  %12 = icmp sgt i32 %4, 0
  br i1 %12, label %.lr.ph.preheader, label %._crit_edge

.lr.ph.preheader:                                 ; preds = %2
  %wide.trip.count = and i64 %3, 2147483647
  br label %.lr.ph

._crit_edge:                                      ; preds = %26, %2
  store i32 %spec.select, ptr %1, align 4, !tbaa !5
  ret ptr %11

.lr.ph:                                           ; preds = %.lr.ph.preheader, %26
  %indvars.iv = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next, %26 ]
  %.02433 = phi i32 [ 0, %.lr.ph.preheader ], [ %28, %26 ]
  %.02532 = phi i32 [ 0, %.lr.ph.preheader ], [ %.2, %26 ]
  %.02731 = phi i32 [ 1, %.lr.ph.preheader ], [ %27, %26 ]
  %13 = icmp eq i32 %.02433, 56
  %14 = zext i1 %13 to i32
  %.126 = add nsw i32 %.02532, %14
  %.1 = select i1 %13, i32 0, i32 %.02433
  %15 = icmp eq i32 %.1, 32
  %16 = or i1 %13, %15
  %.229 = select i1 %16, i32 1, i32 %.02731
  %17 = zext i1 %15 to i32
  %.2 = add nsw i32 %.126, %17
  %18 = getelementptr inbounds i8, ptr %0, i64 %indvars.iv
  %19 = load i8, ptr %18, align 1, !tbaa !9
  %20 = icmp eq i8 %19, 49
  br i1 %20, label %21, label %26

21:                                               ; preds = %.lr.ph
  %22 = sext i32 %.2 to i64
  %23 = getelementptr inbounds i32, ptr %11, i64 %22
  %24 = load i32, ptr %23, align 4, !tbaa !5
  %25 = or i32 %24, %.229
  store i32 %25, ptr %23, align 4, !tbaa !5
  br label %26

26:                                               ; preds = %21, %.lr.ph
  %27 = shl i32 %.229, 1
  %28 = add nsw i32 %.1, 1
  %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_edge, label %.lr.ph, !llvm.loop !10
}

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: read)
declare i64 @strlen(ptr nocapture noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @malloc(i64 noundef) local_unnamed_addr #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 memory(argmem: read) "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 = { mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) 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 #3 = { nounwind willreturn memory(read) }
attributes #4 = { nounwind allocsize(0) }

!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 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}


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