; LLVM IR from unitreerobotics/kinect_teleoperate :: src/extern/glfw/src/tests (gamma)

; 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 hidden i32 @nk_utf_validate(ptr noundef, i32 noundef) #1

; Function Attrs: nounwind uwtable
define dso_local i32 @nk_utf_encode(i32 noundef %0, ptr noundef %1, i32 noundef %2) #1 {
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  store i32 %0, ptr %5, align 4, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !9
  store i32 %2, ptr %7, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #2
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #2
  %11 = call i32 @nk_utf_validate(ptr noundef %5, i32 noundef 0)
  store i32 %11, ptr %8, align 4, !tbaa !5
  %12 = load i32, ptr %7, align 4, !tbaa !5
  %13 = load i32, ptr %8, align 4, !tbaa !5
  %14 = icmp slt i32 %12, %13
  br i1 %14, label %21, label %15

15:                                               ; preds = %3
  %16 = load i32, ptr %8, align 4, !tbaa !5
  %17 = icmp ne i32 %16, 0
  br i1 %17, label %18, label %21

18:                                               ; preds = %15
  %19 = load i32, ptr %8, align 4, !tbaa !5
  %20 = icmp sgt i32 %19, 4
  br i1 %20, label %21, label %22

21:                                               ; preds = %18, %15, %3
  store i32 0, ptr %4, align 4
  store i32 1, ptr %10, align 4
  br label %47

22:                                               ; preds = %18
  %23 = load i32, ptr %8, align 4, !tbaa !5
  %24 = sub nsw i32 %23, 1
  store i32 %24, ptr %9, align 4, !tbaa !5
  br label %25

25:                                               ; preds = %37, %22
  %26 = load i32, ptr %9, align 4, !tbaa !5
  %27 = icmp ne i32 %26, 0
  br i1 %27, label %28, label %40

28:                                               ; preds = %25
  %29 = load i32, ptr %5, align 4, !tbaa !5
  %30 = call signext i8 @nk_utf_encode_byte(i32 noundef %29, i32 noundef 0)
  %31 = load ptr, ptr %6, align 8, !tbaa !9
  %32 = load i32, ptr %9, align 4, !tbaa !5
  %33 = sext i32 %32 to i64
  %34 = getelementptr inbounds i8, ptr %31, i64 %33
  store i8 %30, ptr %34, align 1, !tbaa !11
  %35 = load i32, ptr %5, align 4, !tbaa !5
  %36 = lshr i32 %35, 6
  store i32 %36, ptr %5, align 4, !tbaa !5
  br label %37

37:                                               ; preds = %28
  %38 = load i32, ptr %9, align 4, !tbaa !5
  %39 = add nsw i32 %38, -1
  store i32 %39, ptr %9, align 4, !tbaa !5
  br label %25, !llvm.loop !12

40:                                               ; preds = %25
  %41 = load i32, ptr %5, align 4, !tbaa !5
  %42 = load i32, ptr %8, align 4, !tbaa !5
  %43 = call signext i8 @nk_utf_encode_byte(i32 noundef %41, i32 noundef %42)
  %44 = load ptr, ptr %6, align 8, !tbaa !9
  %45 = getelementptr inbounds i8, ptr %44, i64 0
  store i8 %43, ptr %45, align 1, !tbaa !11
  %46 = load i32, ptr %8, align 4, !tbaa !5
  store i32 %46, ptr %4, align 4
  store i32 1, ptr %10, align 4
  br label %47

47:                                               ; preds = %40, %21
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #2
  %48 = load i32, ptr %4, align 4
  ret i32 %48
}

; Function Attrs: nounwind uwtable
declare hidden signext i8 @nk_utf_encode_byte(i32 noundef, i32 noundef) #1

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 }

!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 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !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 hidden i32 @nk_utf_validate(ptr noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local range(i32 -2147483648, 5) i32 @nk_utf_encode(i32 noundef %0, ptr nocapture noundef writeonly %1, i32 noundef %2) local_unnamed_addr #0 {
  %4 = alloca i32, align 4
  store i32 %0, ptr %4, align 4, !tbaa !5
  %5 = call i32 @nk_utf_validate(ptr noundef nonnull %4, i32 noundef 0)
  %6 = icmp sgt i32 %5, %2
  %7 = icmp eq i32 %5, 0
  %or.cond.not18 = or i1 %6, %7
  %8 = icmp sgt i32 %5, 4
  %or.cond3 = or i1 %8, %or.cond.not18
  br i1 %or.cond3, label %17, label %.preheader

.preheader:                                       ; preds = %3
  %.019 = add nsw i32 %5, -1
  %.not20 = icmp eq i32 %.019, 0
  %.pre23 = load i32, ptr %4, align 4, !tbaa !5
  br i1 %.not20, label %._crit_edge, label %.lr.ph.preheader

.lr.ph.preheader:                                 ; preds = %.preheader
  %9 = sext i32 %.019 to i64
  br label %.lr.ph

.lr.ph:                                           ; preds = %.lr.ph.preheader, %.lr.ph
  %10 = phi i32 [ %.pre23, %.lr.ph.preheader ], [ %14, %.lr.ph ]
  %indvars.iv = phi i64 [ %9, %.lr.ph.preheader ], [ %indvars.iv.next, %.lr.ph ]
  %11 = call signext i8 @nk_utf_encode_byte(i32 noundef %10, i32 noundef 0)
  %12 = getelementptr inbounds i8, ptr %1, i64 %indvars.iv
  store i8 %11, ptr %12, align 1, !tbaa !9
  %13 = load i32, ptr %4, align 4, !tbaa !5
  %14 = lshr i32 %13, 6
  store i32 %14, ptr %4, align 4, !tbaa !5
  %indvars.iv.next = add nsw i64 %indvars.iv, -1
  %.not = icmp eq i64 %indvars.iv.next, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !10

._crit_edge:                                      ; preds = %.lr.ph, %.preheader
  %15 = phi i32 [ %.pre23, %.preheader ], [ %14, %.lr.ph ]
  %16 = call signext i8 @nk_utf_encode_byte(i32 noundef %15, i32 noundef %5)
  store i8 %16, ptr %1, align 1, !tbaa !9
  br label %17

17:                                               ; preds = %3, %._crit_edge
  %.015 = phi i32 [ %5, %._crit_edge ], [ 0, %3 ]
  ret i32 %.015
}

; Function Attrs: nounwind uwtable
declare hidden signext i8 @nk_utf_encode_byte(i32 noundef, i32 noundef) local_unnamed_addr #0

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 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass