; LLVM IR from onnx/onnx-mlir :: src/Accelerators/NNPA/Support/Stickify/Convert.ll (Z13fp32_to_dlf16PfPtm)

; 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"

%class.NNP1 = type { i16 }

; Function Attrs: mustprogress uwtable
define dso_local noundef i64 @_Z13fp32_to_dlf16PfPtm(ptr noundef %0, ptr noundef %1, i64 noundef %2) #0 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  %8 = alloca float, align 4
  %9 = alloca %class.NNP1, align 2
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store i64 %2, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #2
  store i64 0, ptr %7, align 8, !tbaa !9
  br label %10

10:                                               ; preds = %32, %3
  %11 = load i64, ptr %7, align 8, !tbaa !9
  %12 = load i64, ptr %6, align 8, !tbaa !9
  %13 = icmp ult i64 %11, %12
  br i1 %13, label %15, label %14

14:                                               ; preds = %10
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #2
  br label %35

15:                                               ; preds = %10
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #2
  %16 = load ptr, ptr %4, align 8, !tbaa !5
  %17 = load i64, ptr %7, align 8, !tbaa !9
  %18 = getelementptr inbounds float, ptr %16, i64 %17
  %19 = load float, ptr %18, align 4, !tbaa !11
  store float %19, ptr %8, align 4, !tbaa !11
  %20 = load float, ptr %8, align 4, !tbaa !11
  %21 = fcmp olt float %20, 0xC1FFF00000000000
  br i1 %21, label %22, label %23

22:                                               ; preds = %15
  store float 0xC1FFF00000000000, ptr %8, align 4, !tbaa !11
  br label %23

23:                                               ; preds = %22, %15
  %24 = load float, ptr %8, align 4, !tbaa !11
  %25 = fcmp ogt float %24, 0x41FFF00000000000
  br i1 %25, label %26, label %27

26:                                               ; preds = %23
  store float 0x41FFF00000000000, ptr %8, align 4, !tbaa !11
  br label %27

27:                                               ; preds = %26, %23
  call void @llvm.lifetime.start.p0(i64 2, ptr %9) #2
  call void @_ZN4NNP1C2ERKf(ptr noundef nonnull align 2 dereferenceable(2) %9, ptr noundef nonnull align 4 dereferenceable(4) %8)
  %28 = call noundef zeroext i16 @_ZNK4NNP14uintEv(ptr noundef nonnull align 2 dereferenceable(2) %9)
  %29 = load ptr, ptr %5, align 8, !tbaa !5
  %30 = load i64, ptr %7, align 8, !tbaa !9
  %31 = getelementptr inbounds i16, ptr %29, i64 %30
  store i16 %28, ptr %31, align 2, !tbaa !13
  call void @llvm.lifetime.end.p0(i64 2, ptr %9) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #2
  br label %32

32:                                               ; preds = %27
  %33 = load i64, ptr %7, align 8, !tbaa !9
  %34 = add i64 %33, 1
  store i64 %34, ptr %7, align 8, !tbaa !9
  br label %10, !llvm.loop !15

35:                                               ; preds = %14
  %36 = load i64, ptr %6, align 8, !tbaa !9
  ret i64 %36
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN4NNP1C2ERKf(ptr noundef nonnull align 2 dereferenceable(2), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i16 @_ZNK4NNP14uintEv(ptr noundef nonnull align 2 dereferenceable(2)) #0 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"float", !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"

%class.NNP1 = type { i16 }

; Function Attrs: mustprogress uwtable
define dso_local noundef i64 @_Z13fp32_to_dlf16PfPtm(ptr nocapture noundef readonly %0, ptr nocapture noundef writeonly %1, i64 noundef returned %2) local_unnamed_addr #0 {
  %4 = alloca float, align 4
  %5 = alloca %class.NNP1, align 2
  %.not = icmp eq i64 %2, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %3
  ret i64 %2

.lr.ph:                                           ; preds = %3, %.lr.ph
  %.09 = phi i64 [ %12, %.lr.ph ], [ 0, %3 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #2
  %6 = getelementptr inbounds float, ptr %0, i64 %.09
  %7 = load float, ptr %6, align 4, !tbaa !5
  %8 = fcmp olt float %7, 0xC1FFF00000000000
  %storemerge = select i1 %8, float 0xC1FFF00000000000, float %7
  %9 = fcmp ogt float %storemerge, 0x41FFF00000000000
  %storemerge8 = select i1 %9, float 0x41FFF00000000000, float %storemerge
  store float %storemerge8, ptr %4, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 2, ptr nonnull %5) #2
  call void @_ZN4NNP1C2ERKf(ptr noundef nonnull align 2 dereferenceable(2) %5, ptr noundef nonnull align 4 dereferenceable(4) %4)
  %10 = call noundef zeroext i16 @_ZNK4NNP14uintEv(ptr noundef nonnull align 2 dereferenceable(2) %5)
  %11 = getelementptr inbounds i16, ptr %1, i64 %.09
  store i16 %10, ptr %11, align 2, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 2, ptr nonnull %5) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #2
  %12 = add nuw i64 %.09, 1
  %exitcond.not = icmp eq i64 %12, %2
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !11
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN4NNP1C2ERKf(ptr noundef nonnull align 2 dereferenceable(2), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i16 @_ZNK4NNP14uintEv(ptr noundef nonnull align 2 dereferenceable(2)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

attributes #0 = { 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 #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 = !{!"float", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"short", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


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