; 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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind uwtable
define dso_local void @RandomFunc(ptr noundef %0, ptr noundef %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca [1 x i64], align 8
  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
  %6 = load ptr, ptr %3, align 8, !tbaa !5
  %7 = getelementptr inbounds i64, ptr %6, i64 0
  %8 = load i64, ptr %7, align 8, !tbaa !9
  %9 = add i64 %8, 914778474
  %10 = xor i64 %9, -832765941
  %11 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  store i64 %10, ptr %11, align 8, !tbaa !9
  %12 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %13 = load i64, ptr %12, align 8, !tbaa !9
  %14 = and i64 %13, 1
  %15 = icmp ne i64 %14, 0
  br i1 %15, label %16, label %32

16:                                               ; preds = %2
  %17 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %18 = load i64, ptr %17, align 8, !tbaa !9
  %19 = lshr i64 %18, 1
  %20 = and i64 %19, 1
  %21 = icmp ne i64 %20, 0
  br i1 %21, label %22, label %31

22:                                               ; preds = %16
  %23 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %24 = load i64, ptr %23, align 8, !tbaa !9
  %25 = lshr i64 %24, 2
  %26 = and i64 %25, 7
  %27 = or i64 %26, 1
  %28 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %29 = load i64, ptr %28, align 8, !tbaa !9
  %30 = shl i64 %29, %27
  store i64 %30, ptr %28, align 8, !tbaa !9
  br label %31

31:                                               ; preds = %22, %16
  br label %55

32:                                               ; preds = %2
  %33 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %34 = load i64, ptr %33, align 8, !tbaa !9
  %35 = lshr i64 %34, 2
  %36 = and i64 %35, 1
  %37 = icmp ne i64 %36, 0
  br i1 %37, label %38, label %46

38:                                               ; preds = %32
  %39 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %40 = load i64, ptr %39, align 8, !tbaa !9
  %41 = and i64 %40, 15
  %42 = shl i64 %41, 2
  %43 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %44 = load i64, ptr %43, align 8, !tbaa !9
  %45 = or i64 %44, %42
  store i64 %45, ptr %43, align 8, !tbaa !9
  br label %54

46:                                               ; preds = %32
  %47 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %48 = load i64, ptr %47, align 8, !tbaa !9
  %49 = and i64 %48, 7
  %50 = shl i64 %49, 2
  %51 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %52 = load i64, ptr %51, align 8, !tbaa !9
  %53 = or i64 %52, %50
  store i64 %53, ptr %51, align 8, !tbaa !9
  br label %54

54:                                               ; preds = %46, %38
  br label %55

55:                                               ; preds = %54, %31
  %56 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %57 = load i64, ptr %56, align 8, !tbaa !9
  %58 = shl i64 %57, 3
  %59 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %60 = load i64, ptr %59, align 8, !tbaa !9
  %61 = lshr i64 %60, 61
  %62 = or i64 %58, %61
  %63 = or i64 %62, -3746994889964569235
  %64 = load ptr, ptr %4, align 8, !tbaa !5
  %65 = getelementptr inbounds i64, ptr %64, i64 0
  store i64 %63, ptr %65, align 8, !tbaa !9
  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.end.p0(i64 immarg, ptr nocapture) #0

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 = !{!"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}


; 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 = add i64 %3, 914778474
  %5 = xor i64 %4, -832765941
  %6 = and i64 %5, 1
  %.not = icmp eq i64 %6, 0
  br i1 %.not, label %14, label %7

7:                                                ; preds = %2
  %8 = and i64 %5, 2
  %.not13 = icmp eq i64 %8, 0
  br i1 %.not13, label %20, label %9

9:                                                ; preds = %7
  %10 = lshr i64 %5, 2
  %11 = and i64 %10, 6
  %12 = or disjoint i64 %11, 1
  %13 = shl i64 %5, %12
  br label %20

14:                                               ; preds = %2
  %15 = and i64 %4, 4
  %.not12 = icmp eq i64 %15, 0
  br i1 %.not12, label %20, label %16

16:                                               ; preds = %14
  %17 = shl i64 %5, 2
  %18 = and i64 %17, 56
  %19 = or i64 %18, %5
  br label %20

20:                                               ; preds = %14, %16, %7, %9
  %.sroa.0.0 = phi i64 [ %13, %9 ], [ %5, %7 ], [ %19, %16 ], [ %5, %14 ]
  %21 = tail call i64 @llvm.fshl.i64(i64 %.sroa.0.0, i64 %.sroa.0.0, i64 3)
  %22 = or i64 %21, -3746994889964569235
  store i64 %22, ptr %1, align 8, !tbaa !5
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i64 @llvm.fshl.i64(i64, i64, i64) #1

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" }
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)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


; Effective O3 passes: BDCEPass,EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass