; 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 i32], align 4
  %6 = alloca i32, align 4
  %7 = alloca i8, align 1
  %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 4, ptr %5) #2
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #2
  call void @llvm.lifetime.start.p0(i64 1, 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 i32, ptr %9, i64 0
  %11 = load i32, ptr %10, align 4, !tbaa !9
  %12 = zext i32 %11 to i64
  %13 = add i64 %12, 914778474
  %14 = xor i64 %13, 3462201355
  %15 = trunc i64 %14 to i32
  %16 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  store i32 %15, ptr %16, align 4, !tbaa !9
  store i32 0, ptr %6, align 4, !tbaa !9
  br label %17

17:                                               ; preds = %60, %2
  %18 = load i32, ptr %6, align 4, !tbaa !9
  %19 = load ptr, ptr %3, align 8, !tbaa !5
  %20 = getelementptr inbounds i32, ptr %19, i64 1
  %21 = load i32, ptr %20, align 4, !tbaa !9
  %22 = icmp ult i32 %18, %21
  br i1 %22, label %23, label %63

23:                                               ; preds = %17
  %24 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %25 = load i32, ptr %24, align 4, !tbaa !9
  %26 = load i32, ptr %6, align 4, !tbaa !9
  %27 = icmp ugt i32 %25, %26
  br i1 %27, label %28, label %48

28:                                               ; preds = %23
  %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 = getelementptr inbounds i8, ptr %31, i64 0
  %33 = load i8, ptr %32, align 1, !tbaa !11
  store i8 %33, ptr %7, align 1, !tbaa !11
  %34 = load i32, ptr %6, align 4, !tbaa !9
  %35 = zext i32 %34 to i64
  %36 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %35
  %37 = getelementptr inbounds i8, ptr %36, i64 1
  %38 = load i8, ptr %37, align 1, !tbaa !11
  %39 = load i32, ptr %6, align 4, !tbaa !9
  %40 = zext i32 %39 to i64
  %41 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %40
  %42 = getelementptr inbounds i8, ptr %41, i64 0
  store i8 %38, ptr %42, align 1, !tbaa !11
  %43 = load i8, ptr %7, align 1, !tbaa !11
  %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 = getelementptr inbounds i8, ptr %46, i64 1
  store i8 %43, ptr %47, align 1, !tbaa !11
  br label %60

48:                                               ; preds = %23
  %49 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %50 = getelementptr inbounds i16, ptr %49, i64 1
  %51 = load i16, ptr %50, align 2, !tbaa !12
  store i16 %51, ptr %8, align 2, !tbaa !12
  %52 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %53 = getelementptr inbounds i16, ptr %52, i64 0
  %54 = load i16, ptr %53, align 2, !tbaa !12
  %55 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %56 = getelementptr inbounds i16, ptr %55, i64 1
  store i16 %54, ptr %56, align 2, !tbaa !12
  %57 = load i16, ptr %8, align 2, !tbaa !12
  %58 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %59 = getelementptr inbounds i16, ptr %58, i64 0
  store i16 %57, ptr %59, align 2, !tbaa !12
  br label %60

60:                                               ; preds = %48, %28
  %61 = load i32, ptr %6, align 4, !tbaa !9
  %62 = add i32 %61, 1
  store i32 %62, ptr %6, align 4, !tbaa !9
  br label %17, !llvm.loop !14

63:                                               ; preds = %17
  %64 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %65 = load i32, ptr %64, align 4, !tbaa !9
  %66 = zext i32 %65 to i64
  %67 = mul i64 %66, 238420169
  %68 = or i64 %67, 1855805517
  %69 = trunc i64 %68 to i32
  %70 = load ptr, ptr %4, align 8, !tbaa !5
  %71 = getelementptr inbounds i32, ptr %70, i64 0
  store i32 %69, ptr %71, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 2, ptr %8) #2
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #2
  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.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 = !{!"int", !7, i64 0}
!11 = !{!7, !7, i64 0}
!12 = !{!13, !13, i64 0}
!13 = !{!"short", !7, i64 0}
!14 = distinct !{!14, !15}
!15 = !{!"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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; 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 #1 {
  %3 = alloca [1 x i32], align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #2
  %4 = load i32, ptr %0, align 4, !tbaa !5
  %5 = add i32 %4, 914778474
  %6 = xor i32 %5, -832765941
  store i32 %6, ptr %3, align 4, !tbaa !5
  %7 = getelementptr inbounds i8, ptr %0, i64 4
  %8 = load i32, ptr %7, align 4, !tbaa !5
  %invariant.gep = getelementptr inbounds i8, ptr %3, i64 1
  %.not = icmp eq i32 %8, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %2
  %9 = getelementptr inbounds i8, ptr %3, i64 2
  %wide.trip.count = zext i32 %8 to i64
  %xtraiter = and i64 %wide.trip.count, 1
  %10 = icmp eq i32 %8, 1
  br i1 %10, label %._crit_edge.loopexit.unr-lcssa, label %.lr.ph.new

.lr.ph.new:                                       ; preds = %.lr.ph
  %unroll_iter = and i64 %wide.trip.count, 4294967294
  br label %11

11:                                               ; preds = %33, %.lr.ph.new
  %indvars.iv = phi i64 [ 0, %.lr.ph.new ], [ %indvars.iv.next.1, %33 ]
  %niter = phi i64 [ 0, %.lr.ph.new ], [ %niter.next.1, %33 ]
  %12 = load i32, ptr %3, align 4
  %13 = zext i32 %12 to i64
  %14 = icmp ult i64 %indvars.iv, %13
  br i1 %14, label %15, label %18

15:                                               ; preds = %11
  %16 = trunc i32 %12 to i8
  %gep = getelementptr inbounds [1 x i32], ptr %invariant.gep, i64 0, i64 %indvars.iv
  %17 = load i8, ptr %gep, align 1, !tbaa !9
  store i8 %17, ptr %3, align 4, !tbaa !9
  store i8 %16, ptr %gep, align 1, !tbaa !9
  br label %22

18:                                               ; preds = %11
  %19 = trunc i32 %12 to i16
  %20 = lshr i32 %12, 16
  %21 = trunc nuw i32 %20 to i16
  store i16 %19, ptr %9, align 2, !tbaa !10
  store i16 %21, ptr %3, align 4, !tbaa !10
  br label %22

22:                                               ; preds = %18, %15
  %indvars.iv.next = or disjoint i64 %indvars.iv, 1
  %23 = load i32, ptr %3, align 4
  %24 = zext i32 %23 to i64
  %25 = icmp ult i64 %indvars.iv.next, %24
  br i1 %25, label %30, label %26

26:                                               ; preds = %22
  %27 = trunc i32 %23 to i16
  %28 = lshr i32 %23, 16
  %29 = trunc nuw i32 %28 to i16
  store i16 %27, ptr %9, align 2, !tbaa !10
  store i16 %29, ptr %3, align 4, !tbaa !10
  br label %33

30:                                               ; preds = %22
  %31 = trunc i32 %23 to i8
  %gep.1 = getelementptr inbounds [1 x i32], ptr %invariant.gep, i64 0, i64 %indvars.iv.next
  %32 = load i8, ptr %gep.1, align 1, !tbaa !9
  store i8 %32, ptr %3, align 4, !tbaa !9
  store i8 %31, ptr %gep.1, align 1, !tbaa !9
  br label %33

33:                                               ; preds = %30, %26
  %indvars.iv.next.1 = add nuw nsw i64 %indvars.iv, 2
  %niter.next.1 = add i64 %niter, 2
  %niter.ncmp.1 = icmp eq i64 %niter.next.1, %unroll_iter
  br i1 %niter.ncmp.1, label %._crit_edge.loopexit.unr-lcssa, label %11, !llvm.loop !12

._crit_edge.loopexit.unr-lcssa:                   ; preds = %33, %.lr.ph
  %indvars.iv.unr = phi i64 [ 0, %.lr.ph ], [ %indvars.iv.next.1, %33 ]
  %lcmp.mod.not = icmp eq i64 %xtraiter, 0
  br i1 %lcmp.mod.not, label %._crit_edge.loopexit, label %.epil.preheader

.epil.preheader:                                  ; preds = %._crit_edge.loopexit.unr-lcssa
  %34 = load i32, ptr %3, align 4
  %35 = zext i32 %34 to i64
  %36 = icmp ult i64 %indvars.iv.unr, %35
  br i1 %36, label %41, label %37

37:                                               ; preds = %.epil.preheader
  %38 = trunc i32 %34 to i16
  %39 = lshr i32 %34, 16
  %40 = trunc nuw i32 %39 to i16
  store i16 %38, ptr %9, align 2, !tbaa !10
  store i16 %40, ptr %3, align 4, !tbaa !10
  br label %._crit_edge.loopexit

41:                                               ; preds = %.epil.preheader
  %42 = trunc i32 %34 to i8
  %gep.epil = getelementptr inbounds [1 x i32], ptr %invariant.gep, i64 0, i64 %indvars.iv.unr
  %43 = load i8, ptr %gep.epil, align 1, !tbaa !9
  store i8 %43, ptr %3, align 4, !tbaa !9
  store i8 %42, ptr %gep.epil, align 1, !tbaa !9
  br label %._crit_edge.loopexit

._crit_edge.loopexit:                             ; preds = %37, %41, %._crit_edge.loopexit.unr-lcssa
  %.pre = load i32, ptr %3, align 4, !tbaa !5
  br label %._crit_edge

._crit_edge:                                      ; preds = %._crit_edge.loopexit, %2
  %44 = phi i32 [ %.pre, %._crit_edge.loopexit ], [ %6, %2 ]
  %45 = mul i32 %44, 238420169
  %46 = or i32 %45, 1855805517
  store i32 %46, ptr %1, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #2
  ret void
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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" }
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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!7, !7, i64 0}
!10 = !{!11, !11, i64 0}
!11 = !{!"short", !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}


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