; 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
  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
  %8 = load ptr, ptr %3, align 8, !tbaa !5
  %9 = getelementptr inbounds i32, ptr %8, i64 0
  %10 = load i32, ptr %9, align 4, !tbaa !9
  %11 = xor i32 %10, 700325083
  %12 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  store i32 %11, ptr %12, align 4, !tbaa !9
  store i32 0, ptr %6, align 4, !tbaa !9
  br label %13

13:                                               ; preds = %34, %2
  %14 = load i32, ptr %6, align 4, !tbaa !9
  %15 = zext i32 %14 to i64
  %16 = icmp ult i64 %15, 1
  br i1 %16, label %17, label %39

17:                                               ; preds = %13
  %18 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %19 = load i32, ptr %18, align 4, !tbaa !9
  %20 = load i32, ptr %6, align 4, !tbaa !9
  %21 = icmp ne i32 %19, %20
  br i1 %21, label %34, label %22

22:                                               ; preds = %17
  %23 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %24 = getelementptr inbounds i8, ptr %23, i64 0
  %25 = load i8, ptr %24, align 1, !tbaa !11
  store i8 %25, ptr %7, align 1, !tbaa !11
  %26 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %27 = getelementptr inbounds i8, ptr %26, i64 1
  %28 = load i8, ptr %27, align 1, !tbaa !11
  %29 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %30 = getelementptr inbounds i8, ptr %29, i64 0
  store i8 %28, ptr %30, align 1, !tbaa !11
  %31 = load i8, 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
  store i8 %31, ptr %33, align 1, !tbaa !11
  br label %34

34:                                               ; preds = %22, %17
  %35 = load i32, ptr %6, align 4, !tbaa !9
  %36 = zext i32 %35 to i64
  %37 = add i64 %36, 2
  %38 = trunc i64 %37 to i32
  store i32 %38, ptr %6, align 4, !tbaa !9
  br label %13, !llvm.loop !12

39:                                               ; preds = %13
  %40 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %41 = load i32, ptr %40, align 4, !tbaa !9
  %42 = shl i32 %41, 5
  %43 = shl i32 %42, 7
  %44 = load ptr, ptr %4, align 8, !tbaa !5
  %45 = getelementptr inbounds i32, ptr %44, i64 0
  store i32 %43, ptr %45, align 4, !tbaa !9
  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 = 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: mustprogress nofree norecurse nosync nounwind willreturn 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
  %.sroa.0.0.insert.insert8 = shl i32 %3, 12
  %4 = xor i32 %.sroa.0.0.insert.insert8, -506613760
  store i32 %4, ptr %1, align 4, !tbaa !5
  ret void
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn 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"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,LCSSAPass,LoopRotatePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass