; LLVM IR from tum-i4/obfuscation-benchmarks :: tigress-generated-programs (RandomFunc)

; 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 void @RandomFunc(ptr noundef %0, ptr noundef %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca [1 x i16], align 2
  %6 = alloca i16, align 2
  %7 = alloca i8, align 1
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 2, ptr %5) #2
  call void @llvm.lifetime.start.p0(i64 2, ptr %6) #2
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #2
  %8 = load ptr, ptr %3, align 8, !tbaa !5
  %9 = getelementptr inbounds i16, ptr %8, i64 0
  %10 = load i16, ptr %9, align 2, !tbaa !9
  %11 = zext i16 %10 to i64
  %12 = and i64 %11, 914778474
  %13 = shl i64 %12, 7
  %14 = trunc i64 %13 to i16
  %15 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  store i16 %14, ptr %15, align 2, !tbaa !9
  store i16 0, ptr %6, align 2, !tbaa !9
  br label %16

16:                                               ; preds = %20, %2
  %17 = load i16, ptr %6, align 2, !tbaa !9
  %18 = zext i16 %17 to i32
  %19 = icmp slt i32 %18, 0
  br i1 %19, label %20, label %33

20:                                               ; preds = %16
  %21 = load i16, ptr %6, align 2, !tbaa !9
  %22 = zext i16 %21 to i64
  %23 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 %22
  %24 = load i16, ptr %23, align 2, !tbaa !9
  %25 = zext i16 %24 to i32
  %26 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %27 = load i16, ptr %26, align 2, !tbaa !9
  %28 = zext i16 %27 to i32
  %29 = and i32 %28, %25
  %30 = trunc i32 %29 to i16
  store i16 %30, ptr %26, align 2, !tbaa !9
  %31 = load i16, ptr %6, align 2, !tbaa !9
  %32 = add i16 %31, 1
  store i16 %32, ptr %6, align 2, !tbaa !9
  br label %16, !llvm.loop !11

33:                                               ; preds = %16
  store i16 0, ptr %6, align 2, !tbaa !9
  br label %34

34:                                               ; preds = %38, %33
  %35 = load i16, ptr %6, align 2, !tbaa !9
  %36 = zext i16 %35 to i32
  %37 = icmp slt i32 %36, 0
  br i1 %37, label %38, label %60

38:                                               ; preds = %34
  %39 = load i16, ptr %6, align 2, !tbaa !9
  %40 = zext i16 %39 to i64
  %41 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 %40
  %42 = getelementptr inbounds i8, ptr %41, i64 0
  %43 = load i8, ptr %42, align 1, !tbaa !13
  store i8 %43, ptr %7, align 1, !tbaa !13
  %44 = load i16, ptr %6, align 2, !tbaa !9
  %45 = zext i16 %44 to i64
  %46 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 %45
  %47 = getelementptr inbounds i8, ptr %46, i64 1
  %48 = load i8, ptr %47, align 1, !tbaa !13
  %49 = load i16, ptr %6, align 2, !tbaa !9
  %50 = zext i16 %49 to i64
  %51 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 %50
  %52 = getelementptr inbounds i8, ptr %51, i64 0
  store i8 %48, ptr %52, align 1, !tbaa !13
  %53 = load i8, ptr %7, align 1, !tbaa !13
  %54 = load i16, ptr %6, align 2, !tbaa !9
  %55 = zext i16 %54 to i64
  %56 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 %55
  %57 = getelementptr inbounds i8, ptr %56, i64 1
  store i8 %53, ptr %57, align 1, !tbaa !13
  %58 = load i16, ptr %6, align 2, !tbaa !9
  %59 = add i16 %58, 1
  store i16 %59, ptr %6, align 2, !tbaa !9
  br label %34, !llvm.loop !14

60:                                               ; preds = %34
  %61 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %62 = load i16, ptr %61, align 2, !tbaa !9
  %63 = zext i16 %62 to i64
  %64 = xor i64 %63, 875420553
  %65 = lshr i64 %64, 1
  %66 = trunc i64 %65 to i16
  %67 = load ptr, ptr %4, align 8, !tbaa !5
  %68 = getelementptr inbounds i16, ptr %67, i64 0
  store i16 %66, ptr %68, align 2, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #2
  call void @llvm.lifetime.end.p0(i64 2, ptr %6) #2
  call void @llvm.lifetime.end.p0(i64 2, ptr %5) #2
  ret void
}

; 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

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" }
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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"short", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!7, !7, i64 0}
!14 = distinct !{!14, !12}


; 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(argmem: readwrite) uwtable
define dso_local void @RandomFunc(ptr nocapture noundef readonly %0, ptr nocapture noundef writeonly %1) local_unnamed_addr #0 {
  %3 = load i16, ptr %0, align 2, !tbaa !5
  %4 = shl i16 %3, 6
  %5 = and i16 %4, 23168
  %6 = xor i16 %5, -4668
  store i16 %6, ptr %1, align 2, !tbaa !5
  ret void
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) 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 = !{!"short", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass