; 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 = zext i32 %11 to i64
  %13 = or i64 %12, 51238316
  %14 = lshr i64 %13, 3
  %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 = %76, %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 %81

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 %40, label %28

28:                                               ; preds = %23
  %29 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %30 = getelementptr inbounds i8, ptr %29, i64 2
  %31 = load i8, ptr %30, align 1, !tbaa !11
  store i8 %31, ptr %7, align 1, !tbaa !11
  %32 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %33 = getelementptr inbounds i8, ptr %32, i64 1
  %34 = load i8, ptr %33, align 1, !tbaa !11
  %35 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %36 = getelementptr inbounds i8, ptr %35, i64 2
  store i8 %34, ptr %36, align 1, !tbaa !11
  %37 = load i8, ptr %7, align 1, !tbaa !11
  %38 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %39 = getelementptr inbounds i8, ptr %38, i64 1
  store i8 %37, ptr %39, align 1, !tbaa !11
  br label %40

40:                                               ; preds = %28, %23
  %41 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %42 = load i32, ptr %41, align 4, !tbaa !9
  %43 = load i32, ptr %6, align 4, !tbaa !9
  %44 = icmp eq i32 %42, %43
  br i1 %44, label %45, label %65

45:                                               ; preds = %40
  %46 = load i32, ptr %6, align 4, !tbaa !9
  %47 = zext i32 %46 to i64
  %48 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %47
  %49 = getelementptr inbounds i8, ptr %48, i64 1
  %50 = load i8, ptr %49, align 1, !tbaa !11
  store i8 %50, ptr %8, align 1, !tbaa !11
  %51 = load i32, ptr %6, align 4, !tbaa !9
  %52 = zext i32 %51 to i64
  %53 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %52
  %54 = getelementptr inbounds i8, ptr %53, i64 3
  %55 = load i8, ptr %54, align 1, !tbaa !11
  %56 = load i32, ptr %6, align 4, !tbaa !9
  %57 = zext i32 %56 to i64
  %58 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %57
  %59 = getelementptr inbounds i8, ptr %58, i64 1
  store i8 %55, ptr %59, align 1, !tbaa !11
  %60 = load i8, ptr %8, align 1, !tbaa !11
  %61 = load i32, ptr %6, align 4, !tbaa !9
  %62 = zext i32 %61 to i64
  %63 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %62
  %64 = getelementptr inbounds i8, ptr %63, i64 3
  store i8 %60, ptr %64, align 1, !tbaa !11
  br label %76

65:                                               ; preds = %40
  %66 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %67 = load i32, ptr %66, align 4, !tbaa !9
  %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 = load i32, ptr %70, align 4, !tbaa !9
  %72 = and i32 %67, %71
  %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
  store i32 %72, ptr %75, align 4, !tbaa !9
  br label %76

76:                                               ; preds = %65, %45
  %77 = load i32, ptr %6, align 4, !tbaa !9
  %78 = zext i32 %77 to i64
  %79 = add i64 %78, 2
  %80 = trunc i64 %79 to i32
  store i32 %80, ptr %6, align 4, !tbaa !9
  br label %17, !llvm.loop !12

81:                                               ; preds = %17
  %82 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %83 = load i32, ptr %82, align 4, !tbaa !9
  %84 = xor i32 %83, 326631287
  %85 = load ptr, ptr %4, align 8, !tbaa !5
  %86 = getelementptr inbounds i32, ptr %85, i64 0
  store i32 %84, ptr %86, 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"}


; 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 = lshr i32 %4, 3
  %6 = or i32 %5, 6404789
  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
  %.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
  %10 = getelementptr inbounds i8, ptr %3, i64 1
  %11 = zext i32 %8 to i64
  br label %12

12:                                               ; preds = %.lr.ph, %29
  %indvars.iv = phi i64 [ 0, %.lr.ph ], [ %indvars.iv.next, %29 ]
  %13 = load i32, ptr %3, align 4
  %14 = zext i32 %13 to i64
  %15 = icmp ult i64 %indvars.iv, %14
  br i1 %15, label %21, label %16

16:                                               ; preds = %12
  %17 = lshr i32 %13, 8
  %18 = trunc i32 %17 to i8
  %19 = lshr i32 %13, 16
  %20 = trunc i32 %19 to i8
  store i8 %18, ptr %9, align 2, !tbaa !9
  store i8 %20, ptr %10, align 1, !tbaa !9
  %.pre = load i32, ptr %3, align 4, !tbaa !5
  %.pre18 = zext i32 %.pre to i64
  br label %21

21:                                               ; preds = %16, %12
  %.pre-phi = phi i64 [ %.pre18, %16 ], [ %14, %12 ]
  %22 = icmp eq i64 %.pre-phi, %indvars.iv
  br i1 %22, label %23, label %29

23:                                               ; preds = %21
  %24 = getelementptr inbounds [1 x i32], ptr %3, i64 0, i64 %indvars.iv
  %25 = getelementptr inbounds i8, ptr %24, i64 1
  %26 = load i8, ptr %25, align 1, !tbaa !9
  %27 = getelementptr inbounds i8, ptr %24, i64 3
  %28 = load i8, ptr %27, align 1, !tbaa !9
  store i8 %28, ptr %25, align 1, !tbaa !9
  store i8 %26, ptr %27, align 1, !tbaa !9
  br label %29

29:                                               ; preds = %21, %23
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 2
  %30 = icmp ult i64 %indvars.iv.next, %11
  br i1 %30, label %12, label %._crit_edge.loopexit, !llvm.loop !10

._crit_edge.loopexit:                             ; preds = %29
  %.pre17 = load i32, ptr %3, align 4, !tbaa !5
  br label %._crit_edge

._crit_edge:                                      ; preds = %._crit_edge.loopexit, %2
  %31 = phi i32 [ %.pre17, %._crit_edge.loopexit ], [ %6, %2 ]
  %32 = xor i32 %31, 326631287
  store i32 %32, 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 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}


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