; 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
  %7 = alloca i8, align 1
  %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 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 1, 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 = xor i32 %11, 700325083
  %13 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  store i32 %12, ptr %13, align 4, !tbaa !9
  store i32 0, ptr %6, align 4, !tbaa !9
  br label %14

14:                                               ; preds = %20, %2
  %15 = load i32, ptr %6, align 4, !tbaa !9
  %16 = load ptr, ptr %3, align 8, !tbaa !5
  %17 = getelementptr inbounds i32, ptr %16, i64 1
  %18 = load i32, ptr %17, align 4, !tbaa !9
  %19 = icmp ult i32 %15, %18
  br i1 %19, label %20, label %36

20:                                               ; preds = %14
  %21 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %22 = getelementptr inbounds i8, ptr %21, i64 1
  %23 = load i8, ptr %22, align 1, !tbaa !11
  store i8 %23, ptr %7, align 1, !tbaa !11
  %24 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %25 = getelementptr inbounds i8, ptr %24, i64 2
  %26 = load i8, ptr %25, align 1, !tbaa !11
  %27 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %28 = getelementptr inbounds i8, ptr %27, i64 1
  store i8 %26, ptr %28, align 1, !tbaa !11
  %29 = load i8, ptr %7, align 1, !tbaa !11
  %30 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %31 = getelementptr inbounds i8, ptr %30, i64 2
  store i8 %29, ptr %31, align 1, !tbaa !11
  %32 = load i32, ptr %6, align 4, !tbaa !9
  %33 = zext i32 %32 to i64
  %34 = add i64 %33, 2
  %35 = trunc i64 %34 to i32
  store i32 %35, ptr %6, align 4, !tbaa !9
  br label %14, !llvm.loop !12

36:                                               ; preds = %14
  store i32 0, ptr %6, align 4, !tbaa !9
  br label %37

37:                                               ; preds = %43, %36
  %38 = load i32, ptr %6, align 4, !tbaa !9
  %39 = load ptr, ptr %3, align 8, !tbaa !5
  %40 = getelementptr inbounds i32, ptr %39, i64 1
  %41 = load i32, ptr %40, align 4, !tbaa !9
  %42 = icmp ult i32 %38, %41
  br i1 %42, label %43, label %86

43:                                               ; preds = %37
  %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 2
  %48 = load i8, ptr %47, align 1, !tbaa !11
  store i8 %48, ptr %8, align 1, !tbaa !11
  %49 = load i32, ptr %6, align 4, !tbaa !9
  %50 = zext i32 %49 to i64
  %51 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %50
  %52 = getelementptr inbounds i8, ptr %51, i64 1
  %53 = load i8, ptr %52, align 1, !tbaa !11
  %54 = load i32, ptr %6, align 4, !tbaa !9
  %55 = zext i32 %54 to i64
  %56 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %55
  %57 = getelementptr inbounds i8, ptr %56, i64 2
  store i8 %53, ptr %57, align 1, !tbaa !11
  %58 = load i8, ptr %8, align 1, !tbaa !11
  %59 = load i32, ptr %6, align 4, !tbaa !9
  %60 = zext i32 %59 to i64
  %61 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %60
  %62 = getelementptr inbounds i8, ptr %61, i64 1
  store i8 %58, ptr %62, align 1, !tbaa !11
  %63 = load i32, ptr %6, align 4, !tbaa !9
  %64 = zext i32 %63 to i64
  %65 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %64
  %66 = getelementptr inbounds i8, ptr %65, i64 3
  %67 = load i8, ptr %66, align 1, !tbaa !11
  store i8 %67, ptr %8, align 1, !tbaa !11
  %68 = load i32, ptr %6, align 4, !tbaa !9
  %69 = zext i32 %68 to i64
  %70 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %69
  %71 = getelementptr inbounds i8, ptr %70, i64 2
  %72 = load i8, ptr %71, align 1, !tbaa !11
  %73 = load i32, ptr %6, align 4, !tbaa !9
  %74 = zext i32 %73 to i64
  %75 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %74
  %76 = getelementptr inbounds i8, ptr %75, i64 3
  store i8 %72, ptr %76, align 1, !tbaa !11
  %77 = load i8, ptr %8, align 1, !tbaa !11
  %78 = load i32, ptr %6, align 4, !tbaa !9
  %79 = zext i32 %78 to i64
  %80 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %79
  %81 = getelementptr inbounds i8, ptr %80, i64 2
  store i8 %77, ptr %81, align 1, !tbaa !11
  %82 = load i32, ptr %6, align 4, !tbaa !9
  %83 = zext i32 %82 to i64
  %84 = add i64 %83, 2
  %85 = trunc i64 %84 to i32
  store i32 %85, ptr %6, align 4, !tbaa !9
  br label %37, !llvm.loop !14

86:                                               ; preds = %37
  %87 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %88 = load i32, ptr %87, align 4, !tbaa !9
  %89 = shl i32 %88, 7
  %90 = load ptr, ptr %4, align 8, !tbaa !5
  %91 = getelementptr inbounds i32, ptr %90, i64 0
  store i32 %89, ptr %91, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 1, 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.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 = !{!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: 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 = 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 = xor i32 %4, 700325083
  store i32 %5, ptr %3, align 4, !tbaa !5
  %6 = getelementptr inbounds i8, ptr %0, i64 4
  %7 = load i32, ptr %6, align 4, !tbaa !5
  %.not = icmp eq i32 %7, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %2
  %8 = lshr i32 %5, 16
  %9 = trunc i32 %8 to i8
  %10 = lshr i32 %5, 8
  %11 = trunc i32 %10 to i8
  %12 = getelementptr inbounds i8, ptr %3, i64 1
  %13 = getelementptr inbounds i8, ptr %3, i64 2
  %14 = add i32 %7, -1
  %15 = lshr i32 %14, 1
  %16 = add nuw i32 %15, 1
  %xtraiter = and i32 %16, 7
  %17 = icmp ult i32 %7, 15
  br i1 %17, label %.lr.ph23.preheader.unr-lcssa, label %.lr.ph.new

.lr.ph.new:                                       ; preds = %.lr.ph
  %unroll_iter = and i32 %16, -8
  br label %21

.lr.ph23.preheader.unr-lcssa:                     ; preds = %21, %.lr.ph
  %lcmp.mod.not = icmp eq i32 %xtraiter, 0
  br i1 %lcmp.mod.not, label %.lr.ph23.preheader, label %.epil.preheader

.epil.preheader:                                  ; preds = %.lr.ph23.preheader.unr-lcssa, %.epil.preheader
  %18 = phi i8 [ %19, %.epil.preheader ], [ %9, %.lr.ph23.preheader.unr-lcssa ]
  %19 = phi i8 [ %18, %.epil.preheader ], [ %11, %.lr.ph23.preheader.unr-lcssa ]
  %epil.iter = phi i32 [ %epil.iter.next, %.epil.preheader ], [ 0, %.lr.ph23.preheader.unr-lcssa ]
  %epil.iter.next = add i32 %epil.iter, 1
  %epil.iter.cmp.not = icmp eq i32 %epil.iter.next, %xtraiter
  br i1 %epil.iter.cmp.not, label %.lr.ph23.preheader, label %.epil.preheader, !llvm.loop !9

.lr.ph23.preheader:                               ; preds = %.epil.preheader, %.lr.ph23.preheader.unr-lcssa
  %.lcssa29 = phi i8 [ %11, %.lr.ph23.preheader.unr-lcssa ], [ %18, %.epil.preheader ]
  %.lcssa = phi i8 [ %9, %.lr.ph23.preheader.unr-lcssa ], [ %19, %.epil.preheader ]
  store i8 %.lcssa29, ptr %12, align 1, !tbaa !11
  store i8 %.lcssa, ptr %13, align 2, !tbaa !11
  %20 = zext i32 %7 to i64
  br label %.lr.ph23

21:                                               ; preds = %21, %.lr.ph.new
  %niter = phi i32 [ 0, %.lr.ph.new ], [ %niter.next.7, %21 ]
  %niter.next.7 = add i32 %niter, 8
  %niter.ncmp.7.not = icmp eq i32 %niter.next.7, %unroll_iter
  br i1 %niter.ncmp.7.not, label %.lr.ph23.preheader.unr-lcssa, label %21, !llvm.loop !12

.lr.ph23:                                         ; preds = %.lr.ph23.preheader, %.lr.ph23
  %indvars.iv = phi i64 [ 0, %.lr.ph23.preheader ], [ %indvars.iv.next, %.lr.ph23 ]
  %22 = getelementptr inbounds [1 x i32], ptr %3, i64 0, i64 %indvars.iv
  %23 = getelementptr inbounds i8, ptr %22, i64 2
  %24 = load i8, ptr %23, align 2, !tbaa !11
  %25 = getelementptr inbounds i8, ptr %22, i64 1
  %26 = load i8, ptr %25, align 1, !tbaa !11
  store i8 %24, ptr %25, align 1, !tbaa !11
  %27 = getelementptr inbounds i8, ptr %22, i64 3
  %28 = load i8, ptr %27, align 1, !tbaa !11
  store i8 %26, ptr %27, align 1, !tbaa !11
  store i8 %28, ptr %23, align 2, !tbaa !11
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 2
  %29 = icmp ult i64 %indvars.iv.next, %20
  br i1 %29, label %.lr.ph23, label %._crit_edge, !llvm.loop !14

._crit_edge:                                      ; preds = %.lr.ph23, %2
  %30 = load i32, ptr %3, align 4, !tbaa !5
  %31 = shl i32 %30, 7
  store i32 %31, 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.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

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" }
attributes #1 = { mustprogress 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.unroll.disable"}
!11 = !{!7, !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}
!14 = distinct !{!14, !13}


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