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

15:                                               ; preds = %68, %2
  %16 = load i64, ptr %6, align 8, !tbaa !9
  %17 = icmp ult i64 %16, 1
  br i1 %17, label %18, label %71

18:                                               ; preds = %15
  %19 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %20 = load i64, ptr %19, align 8, !tbaa !9
  %21 = load i64, ptr %6, align 8, !tbaa !9
  %22 = icmp ugt i64 %20, %21
  br i1 %22, label %23, label %57

23:                                               ; preds = %18
  %24 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %25 = load i64, ptr %24, align 8, !tbaa !9
  %26 = load i64, ptr %6, align 8, !tbaa !9
  %27 = icmp ugt i64 %25, %26
  br i1 %27, label %28, label %40

28:                                               ; preds = %23
  %29 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %30 = getelementptr inbounds i16, ptr %29, i64 3
  %31 = load i16, ptr %30, align 2, !tbaa !11
  store i16 %31, ptr %7, align 2, !tbaa !11
  %32 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %33 = getelementptr inbounds i16, ptr %32, i64 1
  %34 = load i16, ptr %33, align 2, !tbaa !11
  %35 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %36 = getelementptr inbounds i16, ptr %35, i64 3
  store i16 %34, ptr %36, align 2, !tbaa !11
  %37 = load i16, ptr %7, align 2, !tbaa !11
  %38 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %39 = getelementptr inbounds i16, ptr %38, i64 1
  store i16 %37, ptr %39, align 2, !tbaa !11
  br label %56

40:                                               ; preds = %23
  %41 = load i64, ptr %6, align 8, !tbaa !9
  %42 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %41
  %43 = getelementptr inbounds i16, ptr %42, i64 0
  %44 = load i16, ptr %43, align 2, !tbaa !11
  store i16 %44, ptr %8, align 2, !tbaa !11
  %45 = load i64, ptr %6, align 8, !tbaa !9
  %46 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %45
  %47 = getelementptr inbounds i16, ptr %46, i64 2
  %48 = load i16, ptr %47, align 2, !tbaa !11
  %49 = load i64, ptr %6, align 8, !tbaa !9
  %50 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %49
  %51 = getelementptr inbounds i16, ptr %50, i64 0
  store i16 %48, ptr %51, align 2, !tbaa !11
  %52 = load i16, ptr %8, align 2, !tbaa !11
  %53 = load i64, ptr %6, align 8, !tbaa !9
  %54 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %53
  %55 = getelementptr inbounds i16, ptr %54, i64 2
  store i16 %52, ptr %55, align 2, !tbaa !11
  br label %56

56:                                               ; preds = %40, %28
  br label %68

57:                                               ; preds = %18
  %58 = load i64, ptr %6, align 8, !tbaa !9
  %59 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %58
  %60 = load i64, ptr %59, align 8, !tbaa !9
  %61 = lshr i64 %60, 3
  %62 = and i64 %61, 7
  %63 = or i64 %62, 1
  %64 = load i64, ptr %6, align 8, !tbaa !9
  %65 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %64
  %66 = load i64, ptr %65, align 8, !tbaa !9
  %67 = lshr i64 %66, %63
  store i64 %67, ptr %65, align 8, !tbaa !9
  br label %68

68:                                               ; preds = %57, %56
  %69 = load i64, ptr %6, align 8, !tbaa !9
  %70 = add i64 %69, 1
  store i64 %70, ptr %6, align 8, !tbaa !9
  br label %15, !llvm.loop !13

71:                                               ; preds = %15
  %72 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %73 = load i64, ptr %72, align 8, !tbaa !9
  %74 = shl i64 %73, 1
  %75 = xor i64 %74, 1048569772
  %76 = load ptr, ptr %4, align 8, !tbaa !5
  %77 = getelementptr inbounds i64, ptr %76, i64 0
  store i64 %75, ptr %77, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 2, ptr %8) #2
  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 {
.critedge:
  %2 = load i64, ptr %0, align 8, !tbaa !5
  %3 = shl i64 %2, 8
  %4 = and i64 %2, 914778474
  %.not = icmp eq i64 %4, 0
  %5 = shl i64 %2, 40
  %6 = and i64 %5, -8761753075049299968
  %7 = and i64 %3, 231928326656
  %8 = or disjoint i64 %6, %7
  %9 = xor i64 %8, 1048569772
  %10 = select i1 %.not, i64 1048569772, i64 %9
  store i64 %10, 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: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass