; 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 i64], align 8
  %6 = alloca i64, align 8
  %7 = alloca i16, align 2
  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 8, ptr %5) #2
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #2
  call void @llvm.lifetime.start.p0(i64 2, ptr %7) #2
  %8 = load ptr, ptr %3, align 8, !tbaa !5
  %9 = getelementptr inbounds i64, ptr %8, i64 0
  %10 = load i64, ptr %9, align 8, !tbaa !9
  %11 = or i64 %10, 51238316
  %12 = lshr i64 %11, 3
  %13 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  store i64 %12, ptr %13, align 8, !tbaa !9
  store i64 0, ptr %6, align 8, !tbaa !9
  br label %14

14:                                               ; preds = %17, %2
  %15 = load i64, ptr %6, align 8, !tbaa !9
  %16 = icmp ult i64 %15, 0
  br i1 %16, label %17, label %43

17:                                               ; preds = %14
  %18 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %19 = load i64, ptr %18, align 8, !tbaa !9
  %20 = lshr i64 %19, 3
  %21 = and i64 %20, 7
  %22 = or i64 %21, 1
  %23 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %24 = load i64, ptr %23, align 8, !tbaa !9
  %25 = shl i64 %24, %22
  store i64 %25, ptr %23, align 8, !tbaa !9
  %26 = load i64, ptr %6, align 8, !tbaa !9
  %27 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %26
  %28 = getelementptr inbounds i16, ptr %27, i64 2
  %29 = load i16, ptr %28, align 2, !tbaa !11
  store i16 %29, ptr %7, align 2, !tbaa !11
  %30 = load i64, ptr %6, align 8, !tbaa !9
  %31 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %30
  %32 = getelementptr inbounds i16, ptr %31, i64 0
  %33 = load i16, ptr %32, align 2, !tbaa !11
  %34 = load i64, ptr %6, align 8, !tbaa !9
  %35 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %34
  %36 = getelementptr inbounds i16, ptr %35, i64 2
  store i16 %33, ptr %36, align 2, !tbaa !11
  %37 = load i16, ptr %7, align 2, !tbaa !11
  %38 = load i64, ptr %6, align 8, !tbaa !9
  %39 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %38
  %40 = getelementptr inbounds i16, ptr %39, i64 0
  store i16 %37, ptr %40, align 2, !tbaa !11
  %41 = load i64, ptr %6, align 8, !tbaa !9
  %42 = add i64 %41, 2
  store i64 %42, ptr %6, align 8, !tbaa !9
  br label %14, !llvm.loop !13

43:                                               ; preds = %14
  %44 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %45 = load i64, ptr %44, align 8, !tbaa !9
  %46 = or i64 %45, 916010988
  %47 = xor i64 %46, 473199589
  %48 = load ptr, ptr %4, align 8, !tbaa !5
  %49 = getelementptr inbounds i64, ptr %48, i64 0
  store i64 %47, ptr %49, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 2, ptr %7) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #2
  call void @llvm.lifetime.end.p0(i64 8, 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 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"short", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"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: 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 i64, ptr %0, align 8, !tbaa !5
  %4 = lshr i64 %3, 3
  %5 = and i64 %4, 2305843008291356674
  %6 = xor i64 %5, 718130200
  store i64 %6, ptr %1, align 8, !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 = !{!"long", !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