; 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 i32], align 4
  %6 = alloca i32, align 4
  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 4, ptr %5) #2
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #2
  %7 = load ptr, ptr %3, align 8, !tbaa !5
  %8 = getelementptr inbounds i32, ptr %7, i64 0
  %9 = load i32, ptr %8, align 4, !tbaa !9
  %10 = zext i32 %9 to i64
  %11 = add i64 %10, 914778474
  %12 = sub i64 %11, 981234615
  %13 = trunc i64 %12 to i32
  %14 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  store i32 %13, ptr %14, align 4, !tbaa !9
  store i32 0, ptr %6, align 4, !tbaa !9
  br label %15

15:                                               ; preds = %50, %2
  %16 = load i32, ptr %6, align 4, !tbaa !9
  %17 = load ptr, ptr %3, align 8, !tbaa !5
  %18 = getelementptr inbounds i32, ptr %17, i64 1
  %19 = load i32, ptr %18, align 4, !tbaa !9
  %20 = icmp ult i32 %16, %19
  br i1 %20, label %21, label %53

21:                                               ; preds = %15
  %22 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %23 = load i32, ptr %22, align 4, !tbaa !9
  %24 = load i32, ptr %6, align 4, !tbaa !9
  %25 = icmp ult i32 %23, %24
  br i1 %25, label %34, label %26

26:                                               ; preds = %21
  %27 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %28 = load i32, ptr %27, align 4, !tbaa !9
  %29 = load i32, ptr %6, align 4, !tbaa !9
  %30 = zext i32 %29 to i64
  %31 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %30
  %32 = load i32, ptr %31, align 4, !tbaa !9
  %33 = add i32 %32, %28
  store i32 %33, ptr %31, align 4, !tbaa !9
  br label %34

34:                                               ; preds = %26, %21
  %35 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %36 = load i32, ptr %35, align 4, !tbaa !9
  %37 = load i32, ptr %6, align 4, !tbaa !9
  %38 = icmp ugt i32 %36, %37
  br i1 %38, label %39, label %50

39:                                               ; preds = %34
  %40 = load i32, ptr %6, align 4, !tbaa !9
  %41 = zext i32 %40 to i64
  %42 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %41
  %43 = load i32, ptr %42, align 4, !tbaa !9
  %44 = load i32, ptr %6, align 4, !tbaa !9
  %45 = zext i32 %44 to i64
  %46 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %45
  %47 = load i32, ptr %46, align 4, !tbaa !9
  %48 = add i32 %43, %47
  %49 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  store i32 %48, ptr %49, align 4, !tbaa !9
  br label %50

50:                                               ; preds = %39, %34
  %51 = load i32, ptr %6, align 4, !tbaa !9
  %52 = add i32 %51, 1
  store i32 %52, ptr %6, align 4, !tbaa !9
  br label %15, !llvm.loop !11

53:                                               ; preds = %15
  %54 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %55 = load i32, ptr %54, align 4, !tbaa !9
  %56 = zext i32 %55 to i64
  %57 = add i64 %56, 469123144
  %58 = add i64 %57, 888641092
  %59 = trunc i64 %58 to i32
  %60 = load ptr, ptr %4, align 8, !tbaa !5
  %61 = getelementptr inbounds i32, ptr %60, i64 0
  store i32 %59, ptr %61, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #2
  call void @llvm.lifetime.end.p0(i64 4, 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 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"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 i32, ptr %0, align 4, !tbaa !5
  %4 = add i32 %3, -66456141
  %5 = getelementptr inbounds i8, ptr %0, i64 4
  %6 = load i32, ptr %5, align 4, !tbaa !5
  %.not = icmp eq i32 %6, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph.preheader

.lr.ph.preheader:                                 ; preds = %2
  %xtraiter = and i32 %6, 1
  %7 = icmp eq i32 %6, 1
  br i1 %7, label %._crit_edge.loopexit.unr-lcssa, label %.lr.ph.preheader.new

.lr.ph.preheader.new:                             ; preds = %.lr.ph.preheader
  %unroll_iter = and i32 %6, -2
  br label %.lr.ph

.lr.ph:                                           ; preds = %.lr.ph, %.lr.ph.preheader.new
  %.015 = phi i32 [ 0, %.lr.ph.preheader.new ], [ %17, %.lr.ph ]
  %.sroa.0.014 = phi i32 [ %4, %.lr.ph.preheader.new ], [ %.sroa.0.2.1, %.lr.ph ]
  %niter = phi i32 [ 0, %.lr.ph.preheader.new ], [ %niter.next.1, %.lr.ph ]
  %8 = icmp uge i32 %.sroa.0.014, %.015
  %9 = zext i1 %8 to i32
  %spec.select = shl i32 %.sroa.0.014, %9
  %10 = icmp ugt i32 %spec.select, %.015
  %11 = zext i1 %10 to i32
  %.sroa.0.2 = shl i32 %spec.select, %11
  %12 = or disjoint i32 %.015, 1
  %13 = icmp ugt i32 %.sroa.0.2, %.015
  %14 = zext i1 %13 to i32
  %spec.select.1 = shl i32 %.sroa.0.2, %14
  %15 = icmp ugt i32 %spec.select.1, %12
  %16 = zext i1 %15 to i32
  %.sroa.0.2.1 = shl i32 %spec.select.1, %16
  %17 = add nuw i32 %.015, 2
  %niter.next.1 = add i32 %niter, 2
  %niter.ncmp.1 = icmp eq i32 %niter.next.1, %unroll_iter
  br i1 %niter.ncmp.1, label %._crit_edge.loopexit.unr-lcssa, label %.lr.ph, !llvm.loop !9

._crit_edge.loopexit.unr-lcssa:                   ; preds = %.lr.ph, %.lr.ph.preheader
  %.sroa.0.2.lcssa.ph = phi i32 [ poison, %.lr.ph.preheader ], [ %.sroa.0.2.1, %.lr.ph ]
  %.015.unr = phi i32 [ 0, %.lr.ph.preheader ], [ %17, %.lr.ph ]
  %.sroa.0.014.unr = phi i32 [ %4, %.lr.ph.preheader ], [ %.sroa.0.2.1, %.lr.ph ]
  %lcmp.mod.not = icmp eq i32 %xtraiter, 0
  br i1 %lcmp.mod.not, label %._crit_edge, label %.lr.ph.epil

.lr.ph.epil:                                      ; preds = %._crit_edge.loopexit.unr-lcssa
  %18 = icmp uge i32 %.sroa.0.014.unr, %.015.unr
  %19 = zext i1 %18 to i32
  %spec.select.epil = shl i32 %.sroa.0.014.unr, %19
  %20 = icmp ugt i32 %spec.select.epil, %.015.unr
  %21 = zext i1 %20 to i32
  %.sroa.0.2.epil = shl i32 %spec.select.epil, %21
  br label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph.epil, %._crit_edge.loopexit.unr-lcssa, %2
  %.sroa.0.0.lcssa = phi i32 [ %4, %2 ], [ %.sroa.0.2.lcssa.ph, %._crit_edge.loopexit.unr-lcssa ], [ %.sroa.0.2.epil, %.lr.ph.epil ]
  %22 = add i32 %.sroa.0.0.lcssa, 1357764236
  store i32 %22, ptr %1, align 4, !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 = !{!"int", !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: EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass