; 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
  %8 = 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 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
  call void @llvm.lifetime.start.p0(i64 1, 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 = add i64 %11, 914778474
  %13 = xor i64 %12, -832765941
  %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 %7, align 8, !tbaa !9
  br label %15

15:                                               ; preds = %60, %2
  %16 = load i64, ptr %7, align 8, !tbaa !9
  %17 = icmp ult i64 %16, 1
  br i1 %17, label %18, label %63

18:                                               ; preds = %15
  store i64 0, ptr %6, align 8, !tbaa !9
  br label %19

19:                                               ; preds = %57, %18
  %20 = load i64, ptr %6, align 8, !tbaa !9
  %21 = icmp ult i64 %20, 1
  br i1 %21, label %22, label %60

22:                                               ; preds = %19
  %23 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %24 = load i64, ptr %23, align 8, !tbaa !9
  %25 = load i64, ptr %6, align 8, !tbaa !9
  %26 = load i64, ptr %7, align 8, !tbaa !9
  %27 = add i64 %25, %26
  %28 = icmp eq i64 %24, %27
  br i1 %28, label %29, label %41

29:                                               ; preds = %22
  %30 = load i64, ptr %6, align 8, !tbaa !9
  %31 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %30
  %32 = load i64, ptr %31, align 8, !tbaa !9
  %33 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %34 = load i64, ptr %33, align 8, !tbaa !9
  %35 = add i64 %32, %34
  %36 = and i64 %35, 15
  %37 = shl i64 %36, 2
  %38 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %39 = load i64, ptr %38, align 8, !tbaa !9
  %40 = or i64 %39, %37
  store i64 %40, ptr %38, align 8, !tbaa !9
  br label %57

41:                                               ; preds = %22
  %42 = load i64, ptr %7, align 8, !tbaa !9
  %43 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %42
  %44 = getelementptr inbounds i8, ptr %43, i64 5
  %45 = load i8, ptr %44, align 1, !tbaa !11
  store i8 %45, ptr %8, align 1, !tbaa !11
  %46 = load i64, ptr %7, align 8, !tbaa !9
  %47 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %46
  %48 = getelementptr inbounds i8, ptr %47, i64 1
  %49 = load i8, ptr %48, align 1, !tbaa !11
  %50 = load i64, ptr %7, align 8, !tbaa !9
  %51 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %50
  %52 = getelementptr inbounds i8, ptr %51, i64 5
  store i8 %49, ptr %52, align 1, !tbaa !11
  %53 = load i8, ptr %8, align 1, !tbaa !11
  %54 = load i64, ptr %7, align 8, !tbaa !9
  %55 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %54
  %56 = getelementptr inbounds i8, ptr %55, i64 1
  store i8 %53, ptr %56, align 1, !tbaa !11
  br label %57

57:                                               ; preds = %41, %29
  %58 = load i64, ptr %6, align 8, !tbaa !9
  %59 = add i64 %58, 2
  store i64 %59, ptr %6, align 8, !tbaa !9
  br label %19, !llvm.loop !12

60:                                               ; preds = %19
  %61 = load i64, ptr %7, align 8, !tbaa !9
  %62 = add i64 %61, 1
  store i64 %62, ptr %7, align 8, !tbaa !9
  br label %15, !llvm.loop !14

63:                                               ; preds = %15
  %64 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %65 = load i64, ptr %64, align 8, !tbaa !9
  %66 = add i64 %65, -1729382256904633235
  %67 = load ptr, ptr %4, align 8, !tbaa !5
  %68 = getelementptr inbounds i64, ptr %67, i64 0
  store i64 %66, ptr %68, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #2
  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 = !{!7, !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}
!14 = distinct !{!14, !13}


; 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, 914778474
  %4 = xor i64 %3, -832765941
  %.sroa.11.0.extract.shift = and i64 %4, -281474976710656
  %5 = shl i64 %3, 32
  %6 = and i64 %5, 280375465082880
  %.sroa.9.0.insert.ext41 = and i64 %4, 1099511562240
  %7 = lshr i64 %4, 32
  %.sroa.7.0.insert.shift30 = and i64 %7, 65280
  %.sroa.0.0.insert.ext19 = and i64 %4, 255
  %.sroa.9.0.insert.insert44 = add i64 %.sroa.11.0.extract.shift, -1729382256904633235
  %.sroa.7.0.insert.insert32 = add nuw nsw i64 %.sroa.9.0.insert.insert44, %.sroa.9.0.insert.ext41
  %.sroa.0.0.insert.insert21 = add i64 %.sroa.7.0.insert.insert32, %6
  %.sroa.950.0.insert.insert57 = add nuw nsw i64 %.sroa.0.0.insert.insert21, %.sroa.0.0.insert.ext19
  %8 = add i64 %.sroa.950.0.insert.insert57, %.sroa.7.0.insert.shift30
  store i64 %8, 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: BDCEPass,CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass