; 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 i64, align 8
  %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 8, 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 = 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 = %40, %2
  %16 = load i64, ptr %7, align 8, !tbaa !9
  %17 = icmp ult i64 %16, 1
  br i1 %17, label %18, label %43

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

19:                                               ; preds = %22, %18
  %20 = load i64, ptr %6, align 8, !tbaa !9
  %21 = icmp ult i64 %20, 1
  br i1 %21, label %22, label %40

22:                                               ; preds = %19
  %23 = load i64, ptr %6, align 8, !tbaa !9
  %24 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %23
  %25 = getelementptr inbounds i16, ptr %24, i64 0
  %26 = load i16, ptr %25, align 2, !tbaa !11
  store i16 %26, ptr %8, align 2, !tbaa !11
  %27 = load i64, ptr %6, align 8, !tbaa !9
  %28 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %27
  %29 = getelementptr inbounds i16, ptr %28, i64 1
  %30 = load i16, ptr %29, align 2, !tbaa !11
  %31 = load i64, ptr %6, align 8, !tbaa !9
  %32 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %31
  %33 = getelementptr inbounds i16, ptr %32, i64 0
  store i16 %30, ptr %33, align 2, !tbaa !11
  %34 = load i16, ptr %8, align 2, !tbaa !11
  %35 = load i64, ptr %6, align 8, !tbaa !9
  %36 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %35
  %37 = getelementptr inbounds i16, ptr %36, i64 1
  store i16 %34, ptr %37, align 2, !tbaa !11
  %38 = load i64, ptr %6, align 8, !tbaa !9
  %39 = add i64 %38, 2
  store i64 %39, ptr %6, align 8, !tbaa !9
  br label %19, !llvm.loop !13

40:                                               ; preds = %19
  %41 = load i64, ptr %7, align 8, !tbaa !9
  %42 = add i64 %41, 1
  store i64 %42, ptr %7, align 8, !tbaa !9
  br label %15, !llvm.loop !15

43:                                               ; preds = %15
  %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, 9
  %47 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %48 = load i64, ptr %47, align 8, !tbaa !9
  %49 = shl i64 %48, 55
  %50 = or i64 %46, %49
  %51 = mul i64 %50, -176424833125389187
  %52 = load ptr, ptr %4, align 8, !tbaa !5
  %53 = getelementptr inbounds i64, ptr %52, i64 0
  store i64 %51, ptr %53, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 2, 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.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"}
!15 = distinct !{!15, !14}


; 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.6.0.extract.shift = lshr i64 %4, 16
  %.sroa.8.0.extract.shift = and i64 %4, -4294967296
  %.sroa.6.0.insert.ext = shl i64 %4, 16
  %.sroa.6.0.insert.shift = and i64 %.sroa.6.0.insert.ext, 4294901760
  %.sroa.6.0.insert.insert = or disjoint i64 %.sroa.6.0.insert.shift, %.sroa.8.0.extract.shift
  %.sroa.0.0.insert.ext = and i64 %.sroa.6.0.extract.shift, 65535
  %.sroa.0.0.insert.insert = or disjoint i64 %.sroa.6.0.insert.insert, %.sroa.0.0.insert.ext
  %5 = tail call i64 @llvm.fshl.i64(i64 %.sroa.0.0.insert.insert, i64 %.sroa.0.0.insert.insert, i64 55)
  %6 = mul i64 %5, -176424833125389187
  store i64 %6, 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: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass