; LLVM IR from clangen/musikcube :: src/3rdparty/win32_src/pdcurses (touch)

; 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"

%struct._win = type { i32, i32, i32, i32, i32, i32, i32, i64, i64, i8, i8, i8, i8, i8, i8, i8, ptr, ptr, ptr, i32, i32, i32, i32, i32, ptr, i32, i32, i32, i32, i32, i32 }

@.str = external hidden unnamed_addr constant [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [91 x i8], align 1
@__PRETTY_FUNCTION__.touchwin = external hidden unnamed_addr constant [23 x i8], align 1

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) #0

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

; Function Attrs: nounwind uwtable
define dso_local i32 @touchwin(ptr noundef %0) #1 {
  %2 = alloca i32, align 4
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #3
  %6 = load ptr, ptr %3, align 8, !tbaa !5
  %7 = icmp ne ptr %6, null
  br i1 %7, label %8, label %9

8:                                                ; preds = %1
  br label %10

9:                                                ; preds = %1
  call void @__assert_fail(ptr noundef @.str, ptr noundef @.str.1, i32 noundef 109, ptr noundef @__PRETTY_FUNCTION__.touchwin) #4
  unreachable

10:                                               ; preds = %8
  %11 = load ptr, ptr %3, align 8, !tbaa !5
  %12 = icmp ne ptr %11, null
  br i1 %12, label %14, label %13

13:                                               ; preds = %10
  store i32 -1, ptr %2, align 4
  store i32 1, ptr %5, align 4
  br label %28

14:                                               ; preds = %10
  store i32 0, ptr %4, align 4, !tbaa !9
  br label %15

15:                                               ; preds = %24, %14
  %16 = load i32, ptr %4, align 4, !tbaa !9
  %17 = load ptr, ptr %3, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct._win, ptr %17, i32 0, i32 2
  %19 = load i32, ptr %18, align 8, !tbaa !11
  %20 = icmp slt i32 %16, %19
  br i1 %20, label %21, label %27

21:                                               ; preds = %15
  %22 = load ptr, ptr %3, align 8, !tbaa !5
  %23 = load i32, ptr %4, align 4, !tbaa !9
  call void @PDC_mark_line_as_changed(ptr noundef %22, i32 noundef %23)
  br label %24

24:                                               ; preds = %21
  %25 = load i32, ptr %4, align 4, !tbaa !9
  %26 = add nsw i32 %25, 1
  store i32 %26, ptr %4, align 4, !tbaa !9
  br label %15, !llvm.loop !15

27:                                               ; preds = %15
  store i32 0, ptr %2, align 4
  store i32 1, ptr %5, align 4
  br label %28

28:                                               ; preds = %27, %13
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #3
  %29 = load i32, ptr %2, align 4
  ret i32 %29
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

attributes #0 = { noreturn 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 #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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { nounwind }
attributes #4 = { noreturn 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 = !{!12, !10, i64 8}
!12 = !{!"_win", !10, i64 0, !10, i64 4, !10, i64 8, !10, i64 12, !10, i64 16, !10, i64 20, !10, i64 24, !13, i64 32, !13, i64 40, !14, i64 48, !14, i64 49, !14, i64 50, !14, i64 51, !14, i64 52, !14, i64 53, !14, i64 54, !6, i64 56, !6, i64 64, !6, i64 72, !10, i64 80, !10, i64 84, !10, i64 88, !10, i64 92, !10, i64 96, !6, i64 104, !10, i64 112, !10, i64 116, !10, i64 120, !10, i64 124, !10, i64 128, !10, i64 132}
!13 = !{!"long", !7, i64 0}
!14 = !{!"_Bool", !7, i64 0}
!15 = distinct !{!15, !16}
!16 = !{!"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"

@.str = external hidden unnamed_addr constant [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [91 x i8], align 1
@__PRETTY_FUNCTION__.touchwin = external hidden unnamed_addr constant [23 x i8], align 1

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #0

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

; Function Attrs: nounwind uwtable
define dso_local noundef i32 @touchwin(ptr noundef %0) local_unnamed_addr #1 {
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %5, label %.preheader

.preheader:                                       ; preds = %1
  %2 = getelementptr inbounds i8, ptr %0, i64 8
  %3 = load i32, ptr %2, align 8, !tbaa !5
  %4 = icmp sgt i32 %3, 0
  br i1 %4, label %.lr.ph, label %._crit_edge

5:                                                ; preds = %1
  tail call void @__assert_fail(ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 109, ptr noundef nonnull @__PRETTY_FUNCTION__.touchwin) #2
  unreachable

.lr.ph:                                           ; preds = %.preheader, %.lr.ph
  %.09 = phi i32 [ %6, %.lr.ph ], [ 0, %.preheader ]
  tail call void @PDC_mark_line_as_changed(ptr noundef nonnull %0, i32 noundef %.09)
  %6 = add nuw nsw i32 %.09, 1
  %7 = load i32, ptr %2, align 8, !tbaa !5
  %8 = icmp slt i32 %6, %7
  br i1 %8, label %.lr.ph, label %._crit_edge, !llvm.loop !13

._crit_edge:                                      ; preds = %.lr.ph, %.preheader
  ret i32 0
}

attributes #0 = { noreturn 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 #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 = { noreturn 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, !7, i64 8}
!6 = !{!"_win", !7, i64 0, !7, i64 4, !7, i64 8, !7, i64 12, !7, i64 16, !7, i64 20, !7, i64 24, !10, i64 32, !10, i64 40, !11, i64 48, !11, i64 49, !11, i64 50, !11, i64 51, !11, i64 52, !11, i64 53, !11, i64 54, !12, i64 56, !12, i64 64, !12, i64 72, !7, i64 80, !7, i64 84, !7, i64 88, !7, i64 92, !7, i64 96, !12, i64 104, !7, i64 112, !7, i64 116, !7, i64 120, !7, i64 124, !7, i64 128, !7, i64 132}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"long", !8, i64 0}
!11 = !{!"_Bool", !8, i64 0}
!12 = !{!"any pointer", !8, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


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