; LLVM IR from libtcod/libtcod :: src/libtcod (zip_c)

; 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 void @TCOD_zip_put_char(ptr noundef, i8 noundef signext) #1

; Function Attrs: nounwind uwtable
declare dso_local void @TCOD_zip_put_int(ptr noundef, i32 noundef) #1

; Function Attrs: nounwind uwtable
define dso_local void @TCOD_zip_put_string(ptr noundef %0, ptr noundef %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %7 = load ptr, ptr %4, align 8, !tbaa !5
  %8 = icmp eq ptr %7, null
  br i1 %8, label %9, label %11

9:                                                ; preds = %2
  %10 = load ptr, ptr %3, align 8, !tbaa !5
  call void @TCOD_zip_put_int(ptr noundef %10, i32 noundef -1)
  br label %31

11:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  %13 = call i64 @strlen(ptr noundef %12) #4
  store i64 %13, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  %14 = load ptr, ptr %3, align 8, !tbaa !5
  %15 = load i64, ptr %5, align 8, !tbaa !9
  %16 = trunc i64 %15 to i32
  call void @TCOD_zip_put_int(ptr noundef %14, i32 noundef %16)
  store i64 0, ptr %6, align 8, !tbaa !9
  br label %17

17:                                               ; preds = %27, %11
  %18 = load i64, ptr %6, align 8, !tbaa !9
  %19 = load i64, ptr %5, align 8, !tbaa !9
  %20 = icmp ule i64 %18, %19
  br i1 %20, label %21, label %30

21:                                               ; preds = %17
  %22 = load ptr, ptr %3, align 8, !tbaa !5
  %23 = load ptr, ptr %4, align 8, !tbaa !5
  %24 = load i64, ptr %6, align 8, !tbaa !9
  %25 = getelementptr inbounds i8, ptr %23, i64 %24
  %26 = load i8, ptr %25, align 1, !tbaa !11
  call void @TCOD_zip_put_char(ptr noundef %22, i8 noundef signext %26)
  br label %27

27:                                               ; preds = %21
  %28 = load i64, ptr %6, align 8, !tbaa !9
  %29 = add i64 %28, 1
  store i64 %29, ptr %6, align 8, !tbaa !9
  br label %17, !llvm.loop !12

30:                                               ; preds = %17
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  br label %31

31:                                               ; preds = %30, %9
  ret void
}

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

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 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 }
attributes #4 = { 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 = !{!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 void @TCOD_zip_put_char(ptr noundef, i8 noundef signext) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local void @TCOD_zip_put_int(ptr noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local void @TCOD_zip_put_string(ptr noundef %0, ptr noundef readonly %1) local_unnamed_addr #0 {
  %3 = icmp eq ptr %1, null
  br i1 %3, label %4, label %5

4:                                                ; preds = %2
  tail call void @TCOD_zip_put_int(ptr noundef %0, i32 noundef -1)
  br label %.loopexit

5:                                                ; preds = %2
  %6 = tail call i64 @strlen(ptr noundef nonnull dereferenceable(1) %1) #2
  %7 = trunc i64 %6 to i32
  tail call void @TCOD_zip_put_int(ptr noundef %0, i32 noundef %7)
  br label %8

8:                                                ; preds = %5, %8
  %.011 = phi i64 [ 0, %5 ], [ %11, %8 ]
  %9 = getelementptr inbounds i8, ptr %1, i64 %.011
  %10 = load i8, ptr %9, align 1, !tbaa !5
  tail call void @TCOD_zip_put_char(ptr noundef %0, i8 noundef signext %10)
  %11 = add i64 %.011, 1
  %.not = icmp ugt i64 %11, %6
  br i1 %.not, label %.loopexit, label %8, !llvm.loop !8

.loopexit:                                        ; preds = %8, %4
  ret void
}

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: read)
declare i64 @strlen(ptr nocapture noundef) local_unnamed_addr #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 = { 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 = { 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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}
!8 = distinct !{!8, !9}
!9 = !{!"llvm.loop.mustprogress"}


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