; LLVM IR from kmilo17pet/qlibs :: qfp16 (qFP16_WrapTo180)

; 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 i32 @qFP16_WrapTo180(i32 noundef %0) #0 {
  %2 = alloca i32, align 4
  store i32 %0, ptr %2, align 4, !tbaa !5
  %3 = load i32, ptr %2, align 4, !tbaa !5
  %4 = icmp slt i32 %3, -11796480
  br i1 %4, label %8, label %5

5:                                                ; preds = %1
  %6 = load i32, ptr %2, align 4, !tbaa !5
  %7 = icmp sgt i32 %6, 11796480
  br i1 %7, label %8, label %23

8:                                                ; preds = %5, %1
  br label %9

9:                                                ; preds = %12, %8
  %10 = load i32, ptr %2, align 4, !tbaa !5
  %11 = icmp sgt i32 %10, 11796480
  br i1 %11, label %12, label %15

12:                                               ; preds = %9
  %13 = load i32, ptr %2, align 4, !tbaa !5
  %14 = sub nsw i32 %13, 23592960
  store i32 %14, ptr %2, align 4, !tbaa !5
  br label %9, !llvm.loop !9

15:                                               ; preds = %9
  br label %16

16:                                               ; preds = %19, %15
  %17 = load i32, ptr %2, align 4, !tbaa !5
  %18 = icmp sle i32 %17, -11796480
  br i1 %18, label %19, label %22

19:                                               ; preds = %16
  %20 = load i32, ptr %2, align 4, !tbaa !5
  %21 = add nsw i32 %20, 23592960
  store i32 %21, ptr %2, align 4, !tbaa !5
  br label %16, !llvm.loop !11

22:                                               ; preds = %16
  br label %23

23:                                               ; preds = %22, %5
  %24 = load i32, ptr %2, align 4, !tbaa !5
  ret i32 %24
}

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" }

!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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}


; 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: mustprogress nofree norecurse nosync nounwind willreturn memory(none) uwtable
define dso_local range(i32 -2147483648, 11796481) i32 @qFP16_WrapTo180(i32 noundef %0) local_unnamed_addr #0 {
  %2 = add i32 %0, -11796481
  %or.cond = icmp ult i32 %2, -23592961
  br i1 %or.cond, label %.preheader9.preheader, label %.loopexit

.preheader9.preheader:                            ; preds = %1
  %3 = add i32 %0, 23592959
  %smin = tail call i32 @llvm.smin.i32(i32 %0, i32 11796480)
  %4 = sub i32 %3, %smin
  %5 = urem i32 %4, 23592960
  %6 = sub nuw i32 %4, %5
  %7 = sub i32 %0, %6
  %smax = tail call i32 @llvm.smax.i32(i32 %7, i32 -11796479)
  %8 = add i32 %smax, %6
  %9 = icmp ne i32 %8, %0
  %umin = zext i1 %9 to i32
  %10 = add nuw i32 %umin, %0
  %11 = sub i32 %8, %10
  %12 = udiv i32 %11, 23592960
  %13 = add nuw nsw i32 %12, %umin
  %14 = mul i32 %13, 23592960
  %15 = add i32 %14, %0
  %16 = sub i32 %15, %6
  br label %.loopexit

.loopexit:                                        ; preds = %.preheader9.preheader, %1
  %.2 = phi i32 [ %0, %1 ], [ %16, %.preheader9.preheader ]
  ret i32 %.2
}

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.smin.i32(i32, i32) #1

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.smax.i32(i32, i32) #1

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) 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 speculatable willreturn memory(none) }

!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)"}


; Effective O3 passes: CorrelatedValuePropagationPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InstCombinePass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,PostOrderFunctionAttrsPass,SCCPPass,SROAPass,SimplifyCFGPass,TailCallElimPass