; 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
  %6 = alloca i64, align 8
  %7 = alloca 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
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #2
  call void @llvm.lifetime.start.p0(i64 8, 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 = sub i64 %10, 51238316
  %12 = sub i64 %11, 339126204
  %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 %7, align 8, !tbaa !9
  br label %14

14:                                               ; preds = %37, %2
  %15 = load i64, ptr %7, align 8, !tbaa !9
  %16 = icmp ult i64 %15, 1
  br i1 %16, label %17, label %40

17:                                               ; preds = %14
  store i64 0, ptr %6, align 8, !tbaa !9
  br label %18

18:                                               ; preds = %21, %17
  %19 = load i64, ptr %6, align 8, !tbaa !9
  %20 = icmp ult i64 %19, 1
  br i1 %20, label %21, label %37

21:                                               ; preds = %18
  %22 = load i64, ptr %7, align 8, !tbaa !9
  %23 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %22
  %24 = load i64, ptr %23, align 8, !tbaa !9
  %25 = load i64, ptr %6, align 8, !tbaa !9
  %26 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %25
  %27 = load i64, ptr %26, align 8, !tbaa !9
  %28 = or i64 %24, %27
  %29 = and i64 %28, 31
  %30 = shl i64 %29, 4
  %31 = load i64, ptr %7, align 8, !tbaa !9
  %32 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %31
  %33 = load i64, ptr %32, align 8, !tbaa !9
  %34 = or i64 %33, %30
  store i64 %34, ptr %32, align 8, !tbaa !9
  %35 = load i64, ptr %6, align 8, !tbaa !9
  %36 = add i64 %35, 2
  store i64 %36, ptr %6, align 8, !tbaa !9
  br label %18, !llvm.loop !11

37:                                               ; preds = %18
  %38 = load i64, ptr %7, align 8, !tbaa !9
  %39 = add i64 %38, 1
  store i64 %39, ptr %7, align 8, !tbaa !9
  br label %14, !llvm.loop !13

40:                                               ; preds = %14
  %41 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %42 = load i64, ptr %41, align 8, !tbaa !9
  %43 = shl i64 %42, 7
  %44 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %45 = load i64, ptr %44, align 8, !tbaa !9
  %46 = lshr i64 %45, 57
  %47 = or i64 %43, %46
  %48 = add i64 %47, 2136477086
  %49 = load ptr, ptr %4, align 8, !tbaa !5
  %50 = getelementptr inbounds i64, ptr %49, i64 0
  store i64 %48, ptr %50, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, 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.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}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !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 {
.critedge:
  %2 = load i64, ptr %0, align 8, !tbaa !5
  %3 = add i64 %2, -390364520
  %4 = shl i64 %3, 4
  %5 = and i64 %4, 496
  %6 = or i64 %5, %3
  %7 = tail call i64 @llvm.fshl.i64(i64 %6, i64 %6, i64 7)
  %8 = add i64 %7, 2136477086
  store i64 %8, 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: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass