; LLVM IR from greensoftwarelab/Energy-Languages :: C/fasta/fasta.gcc-2 (repeat_And_Wrap_String)

; 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"

@stdout = external global ptr, align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local void @repeat_And_Wrap_String(ptr noundef %0, i64 noundef %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca i64, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i64 %1, ptr %4, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #5
  %8 = load ptr, ptr %3, align 8, !tbaa !5
  %9 = call ptr @make_Sequence_Buffer(ptr noundef %8)
  store ptr %9, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #5
  %10 = load ptr, ptr %5, align 8, !tbaa !5
  %11 = call i64 @strlen(ptr noundef %10) #6
  store i64 %11, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  %12 = load i64, ptr %4, align 8, !tbaa !9
  %13 = load i64, ptr %4, align 8, !tbaa !9
  %14 = sdiv i64 %13, 60
  %15 = add nsw i64 %12, %14
  store i64 %15, ptr %7, align 8, !tbaa !9
  br label %16

16:                                               ; preds = %20, %2
  %17 = load i64, ptr %7, align 8, !tbaa !9
  %18 = load i64, ptr %6, align 8, !tbaa !9
  %19 = icmp sge i64 %17, %18
  br i1 %19, label %20, label %28

20:                                               ; preds = %16
  %21 = load ptr, ptr %5, align 8, !tbaa !5
  %22 = load i64, ptr %6, align 8, !tbaa !9
  %23 = load ptr, ptr @stdout, align 8, !tbaa !5
  %24 = call i64 @fwrite(ptr noundef %21, i64 noundef %22, i64 noundef 1, ptr noundef %23)
  %25 = load i64, ptr %6, align 8, !tbaa !9
  %26 = load i64, ptr %7, align 8, !tbaa !9
  %27 = sub nsw i64 %26, %25
  store i64 %27, ptr %7, align 8, !tbaa !9
  br label %16, !llvm.loop !11

28:                                               ; preds = %16
  %29 = load i64, ptr %7, align 8, !tbaa !9
  %30 = icmp sgt i64 %29, 0
  br i1 %30, label %31, label %37

31:                                               ; preds = %28
  %32 = load ptr, ptr %5, align 8, !tbaa !5
  %33 = load i64, ptr %7, align 8, !tbaa !9
  %34 = load ptr, ptr @stdout, align 8, !tbaa !5
  %35 = call i64 @fwrite(ptr noundef %32, i64 noundef %33, i64 noundef 1, ptr noundef %34)
  %36 = call i32 (ptr, ...) @printf(ptr noundef @.str)
  br label %37

37:                                               ; preds = %31, %28
  %38 = load ptr, ptr %5, align 8, !tbaa !5
  call void @free(ptr noundef %38) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  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: nounwind uwtable
declare hidden ptr @make_Sequence_Buffer(ptr noundef) #0

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

declare i64 @fwrite(ptr noundef, i64 noundef, i64 noundef, ptr noundef) #3

declare i32 @printf(ptr noundef, ...) #3

; Function Attrs: nounwind
declare void @free(ptr noundef) #4

; 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 = { "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 "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 willreturn memory(read) }

!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 = !{!"long", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"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"

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

; Function Attrs: nounwind uwtable
define dso_local void @repeat_And_Wrap_String(ptr noundef %0, i64 noundef %1) local_unnamed_addr #0 {
  %3 = tail call ptr @make_Sequence_Buffer(ptr noundef %0)
  %4 = tail call i64 @strlen(ptr noundef nonnull dereferenceable(1) %3) #4
  %5 = sdiv i64 %1, 60
  %6 = add nsw i64 %5, %1
  %.not14 = icmp slt i64 %6, %4
  br i1 %.not14, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %2, %.lr.ph
  %.015 = phi i64 [ %9, %.lr.ph ], [ %6, %2 ]
  %7 = load ptr, ptr @stdout, align 8, !tbaa !5
  %8 = tail call i64 @fwrite(ptr noundef %3, i64 noundef %4, i64 noundef 1, ptr noundef %7)
  %9 = sub nsw i64 %.015, %4
  %.not = icmp slt i64 %9, %4
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !9

._crit_edge:                                      ; preds = %.lr.ph, %2
  %.0.lcssa = phi i64 [ %6, %2 ], [ %9, %.lr.ph ]
  %10 = icmp sgt i64 %.0.lcssa, 0
  br i1 %10, label %11, label %15

11:                                               ; preds = %._crit_edge
  %12 = load ptr, ptr @stdout, align 8, !tbaa !5
  %13 = tail call i64 @fwrite(ptr noundef %3, i64 noundef %.0.lcssa, i64 noundef 1, ptr noundef %12)
  %14 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str)
  br label %15

15:                                               ; preds = %11, %._crit_edge
  tail call void @free(ptr noundef %3) #5
  ret void
}

; Function Attrs: nounwind uwtable
declare hidden ptr @make_Sequence_Buffer(ptr noundef) local_unnamed_addr #0

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

; Function Attrs: nofree nounwind
declare noundef i64 @fwrite(ptr nocapture noundef, i64 noundef, i64 noundef, ptr nocapture noundef) local_unnamed_addr #2

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #3

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 = { 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 = { 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 #3 = { 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 #4 = { nounwind willreturn memory(read) }
attributes #5 = { 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"}


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