; LLVM IR from CerebusOSS/CereLink :: samples/TestAnalogOut (test_analog_out)

; 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"

@.str.28 = external hidden unnamed_addr constant [23 x i8], align 1
@.str.29 = external hidden unnamed_addr constant [20 x i8], align 1
@.str.30 = external hidden unnamed_addr constant [24 x i8], align 1
@.str.31 = external hidden unnamed_addr constant [21 x i8], align 1

declare i32 @printf(ptr noundef, ...) #0

; 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

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z8testOpenv() #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z13testGetConfigv() #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z13testSetConfigv() #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z13testSetAnaoutt(i16 noundef zeroext) #2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z9testClosev() #2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main(i32 noundef %0, ptr noundef %1) #3 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i16, align 2
  store i32 0, ptr %3, align 4
  store i32 %0, ptr %4, align 4, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #4
  %8 = call noundef i32 @_Z8testOpenv()
  store i32 %8, ptr %6, align 4, !tbaa !11
  %9 = load i32, ptr %6, align 4, !tbaa !11
  %10 = icmp slt i32 %9, 0
  br i1 %10, label %11, label %14

11:                                               ; preds = %2
  %12 = load i32, ptr %6, align 4, !tbaa !11
  %13 = call i32 (ptr, ...) @printf(ptr noundef @.str.28, i32 noundef %12)
  br label %16

14:                                               ; preds = %2
  %15 = call i32 (ptr, ...) @printf(ptr noundef @.str.29)
  br label %16

16:                                               ; preds = %14, %11
  call void @_Z13testGetConfigv()
  call void @_Z13testSetConfigv()
  call void @llvm.lifetime.start.p0(i64 2, ptr %7) #4
  store i16 1, ptr %7, align 2, !tbaa !13
  br label %17

17:                                               ; preds = %24, %16
  %18 = load i16, ptr %7, align 2, !tbaa !13
  %19 = zext i16 %18 to i32
  %20 = icmp slt i32 %19, 145
  br i1 %20, label %22, label %21

21:                                               ; preds = %17
  call void @llvm.lifetime.end.p0(i64 2, ptr %7) #4
  br label %27

22:                                               ; preds = %17
  %23 = load i16, ptr %7, align 2, !tbaa !13
  call void @_Z13testSetAnaoutt(i16 noundef zeroext %23)
  br label %24

24:                                               ; preds = %22
  %25 = load i16, ptr %7, align 2, !tbaa !13
  %26 = add i16 %25, 1
  store i16 %26, ptr %7, align 2, !tbaa !13
  br label %17, !llvm.loop !15

27:                                               ; preds = %21
  %28 = call noundef i32 @_Z9testClosev()
  store i32 %28, ptr %6, align 4, !tbaa !11
  %29 = load i32, ptr %6, align 4, !tbaa !11
  %30 = icmp slt i32 %29, 0
  br i1 %30, label %31, label %34

31:                                               ; preds = %27
  %32 = load i32, ptr %6, align 4, !tbaa !11
  %33 = call i32 (ptr, ...) @printf(ptr noundef @.str.30, i32 noundef %32)
  br label %36

34:                                               ; preds = %27
  %35 = call i32 (ptr, ...) @printf(ptr noundef @.str.31)
  br label %36

36:                                               ; preds = %34, %31
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  ret i32 0
}

attributes #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 = { mustprogress 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 #3 = { mustprogress norecurse 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 #4 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"_ZTS12_cbSdkResult", !7, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"short", !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.28 = external hidden unnamed_addr constant [23 x i8], align 1
@.str.29 = external hidden unnamed_addr constant [20 x i8], align 1
@.str.30 = external hidden unnamed_addr constant [24 x i8], align 1
@.str.31 = external hidden unnamed_addr constant [21 x i8], align 1

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z8testOpenv() local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z13testGetConfigv() local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z13testSetConfigv() local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z13testSetAnaoutt(i16 noundef zeroext) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z9testClosev() local_unnamed_addr #1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main(i32 noundef %0, ptr nocapture noundef readnone %1) local_unnamed_addr #2 {
  %3 = tail call noundef i32 @_Z8testOpenv()
  %4 = icmp slt i32 %3, 0
  br i1 %4, label %5, label %7

5:                                                ; preds = %2
  %6 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.28, i32 noundef %3)
  br label %9

7:                                                ; preds = %2
  %8 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.29)
  br label %9

9:                                                ; preds = %7, %5
  tail call void @_Z13testGetConfigv()
  tail call void @_Z13testSetConfigv()
  br label %13

10:                                               ; preds = %13
  %11 = tail call noundef i32 @_Z9testClosev()
  %12 = icmp slt i32 %11, 0
  br i1 %12, label %15, label %17

13:                                               ; preds = %9, %13
  %.09 = phi i16 [ 1, %9 ], [ %14, %13 ]
  tail call void @_Z13testSetAnaoutt(i16 noundef zeroext %.09)
  %14 = add nuw nsw i16 %.09, 1
  %exitcond.not = icmp eq i16 %14, 145
  br i1 %exitcond.not, label %10, label %13, !llvm.loop !5

15:                                               ; preds = %10
  %16 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.30, i32 noundef %11)
  br label %19

17:                                               ; preds = %10
  %18 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.31)
  br label %19

19:                                               ; preds = %17, %15
  ret i32 0
}

attributes #0 = { 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 #1 = { mustprogress 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 = { mustprogress norecurse 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" }

!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"}


; Effective O3 passes: GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LoopRotatePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass