; 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 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
  %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 = add i64 %10, 914778474
  %12 = sub i64 %11, 981234615
  %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 %6, align 8, !tbaa !9
  br label %14

14:                                               ; preds = %51, %2
  %15 = load i64, ptr %6, align 8, !tbaa !9
  %16 = load ptr, ptr %3, align 8, !tbaa !5
  %17 = getelementptr inbounds i64, ptr %16, i64 1
  %18 = load i64, ptr %17, align 8, !tbaa !9
  %19 = icmp ult i64 %15, %18
  br i1 %19, label %20, label %54

20:                                               ; preds = %14
  %21 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %22 = load i64, ptr %21, align 8, !tbaa !9
  %23 = load i64, ptr %6, align 8, !tbaa !9
  %24 = icmp ult i64 %22, %23
  br i1 %24, label %25, label %42

25:                                               ; preds = %20
  %26 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %27 = getelementptr inbounds i16, ptr %26, i64 0
  %28 = load i16, ptr %27, align 2, !tbaa !11
  store i16 %28, ptr %7, align 2, !tbaa !11
  %29 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %30 = getelementptr inbounds i16, ptr %29, i64 1
  %31 = load i16, ptr %30, align 2, !tbaa !11
  %32 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %33 = getelementptr inbounds i16, ptr %32, i64 0
  store i16 %31, ptr %33, align 2, !tbaa !11
  %34 = load i16, ptr %7, align 2, !tbaa !11
  %35 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %36 = getelementptr inbounds i16, ptr %35, i64 1
  store i16 %34, ptr %36, align 2, !tbaa !11
  %37 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %38 = load i64, ptr %37, align 8, !tbaa !9
  %39 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %40 = load i64, ptr %39, align 8, !tbaa !9
  %41 = add i64 %40, %38
  store i64 %41, ptr %39, align 8, !tbaa !9
  br label %51

42:                                               ; preds = %20
  %43 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %44 = load i64, ptr %43, align 8, !tbaa !9
  %45 = load i64, ptr %6, align 8, !tbaa !9
  %46 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %45
  %47 = load i64, ptr %46, align 8, !tbaa !9
  %48 = sub i64 %44, %47
  %49 = load i64, ptr %6, align 8, !tbaa !9
  %50 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %49
  store i64 %48, ptr %50, align 8, !tbaa !9
  br label %51

51:                                               ; preds = %42, %25
  %52 = load i64, ptr %6, align 8, !tbaa !9
  %53 = add i64 %52, 1
  store i64 %53, ptr %6, align 8, !tbaa !9
  br label %14, !llvm.loop !13

54:                                               ; preds = %14
  %55 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %56 = load i64, ptr %55, align 8, !tbaa !9
  %57 = sub i64 %56, 507365164
  %58 = load ptr, ptr %4, align 8, !tbaa !5
  %59 = getelementptr inbounds i64, ptr %58, i64 0
  store i64 %57, ptr %59, align 8, !tbaa !9
  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.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 = !{!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: nofree norecurse nosync nounwind 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, -66456141
  %5 = getelementptr inbounds i8, ptr %0, i64 8
  %6 = load i64, ptr %5, align 8, !tbaa !5
  %.not = icmp eq i64 %6, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %2, %.lr.ph
  %.058 = phi i64 [ %9, %.lr.ph ], [ 0, %2 ]
  %.sroa.12.0.in.in57 = phi i64 [ %storemerge, %.lr.ph ], [ %4, %2 ]
  %.sroa.10.0.in = lshr i64 %.sroa.12.0.in.in57, 16
  %.sroa.12.0.in = and i64 %.sroa.12.0.in.in57, -4294967296
  %.sroa.10.0.insert.ext = and i64 %.sroa.10.0.in, 65535
  %.sroa.10.0.insert.shift = shl nuw nsw i64 %.sroa.10.0.insert.ext, 16
  %.sroa.10.0.insert.insert = or disjoint i64 %.sroa.10.0.insert.shift, %.sroa.12.0.in
  %.sroa.0.0.insert.ext = and i64 %.sroa.12.0.in.in57, 65535
  %.sroa.0.0.insert.insert = or disjoint i64 %.sroa.10.0.insert.insert, %.sroa.0.0.insert.ext
  %7 = icmp ult i64 %.sroa.0.0.insert.insert, %.058
  %.sroa.10.0.insert.shift25 = shl nuw nsw i64 %.sroa.0.0.insert.ext, 16
  %.sroa.10.0.insert.insert27 = or disjoint i64 %.sroa.10.0.insert.shift25, %.sroa.12.0.in
  %.sroa.0.0.insert.insert13 = or disjoint i64 %.sroa.10.0.insert.insert27, %.sroa.10.0.insert.ext
  %8 = shl i64 %.sroa.0.0.insert.insert13, 1
  %storemerge = select i1 %7, i64 %8, i64 0
  %9 = add nuw i64 %.058, 1
  %exitcond.not = icmp eq i64 %9, %6
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !9

._crit_edge:                                      ; preds = %.lr.ph, %2
  %.sroa.12.0.in.in.lcssa = phi i64 [ %4, %2 ], [ %storemerge, %.lr.ph ]
  %10 = add i64 %.sroa.12.0.in.in.lcssa, -507365164
  store i64 %10, ptr %1, align 8, !tbaa !5
  ret void
}

attributes #0 = { nofree norecurse nosync nounwind 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"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass