; 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 i16], align 2
  %6 = 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 2, ptr %5) #2
  call void @llvm.lifetime.start.p0(i64 1, ptr %6) #2
  %7 = load ptr, ptr %3, align 8, !tbaa !5
  %8 = getelementptr inbounds i16, ptr %7, i64 0
  %9 = load i16, ptr %8, align 2, !tbaa !9
  %10 = zext i16 %9 to i64
  %11 = add i64 %10, 51238316
  %12 = add i64 %11, 8426
  %13 = trunc i64 %12 to i16
  %14 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  store i16 %13, ptr %14, align 2, !tbaa !9
  %15 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %16 = load i16, ptr %15, align 2, !tbaa !9
  %17 = zext i16 %16 to i32
  %18 = ashr i32 %17, 4
  %19 = and i32 %18, 1
  %20 = icmp ne i32 %19, 0
  br i1 %20, label %21, label %41

21:                                               ; preds = %2
  %22 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %23 = load i16, ptr %22, align 2, !tbaa !9
  %24 = zext i16 %23 to i32
  %25 = ashr i32 %24, 3
  %26 = and i32 %25, 1
  %27 = icmp ne i32 %26, 0
  br i1 %27, label %28, label %40

28:                                               ; preds = %21
  %29 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %30 = getelementptr inbounds i8, ptr %29, i64 1
  %31 = load i8, ptr %30, align 1, !tbaa !11
  store i8 %31, ptr %6, align 1, !tbaa !11
  %32 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %33 = getelementptr inbounds i8, ptr %32, i64 0
  %34 = load i8, ptr %33, align 1, !tbaa !11
  %35 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %36 = getelementptr inbounds i8, ptr %35, i64 1
  store i8 %34, ptr %36, align 1, !tbaa !11
  %37 = load i8, ptr %6, align 1, !tbaa !11
  %38 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %39 = getelementptr inbounds i8, ptr %38, i64 0
  store i8 %37, ptr %39, align 1, !tbaa !11
  br label %40

40:                                               ; preds = %28, %21
  br label %50

41:                                               ; preds = %2
  %42 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %43 = load i16, ptr %42, align 2, !tbaa !9
  %44 = zext i16 %43 to i32
  %45 = ashr i32 %44, 3
  %46 = and i32 %45, 1
  %47 = icmp ne i32 %46, 0
  br i1 %47, label %48, label %49

48:                                               ; preds = %41
  br label %49

49:                                               ; preds = %48, %41
  br label %50

50:                                               ; preds = %49, %40
  %51 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %52 = load i16, ptr %51, align 2, !tbaa !9
  %53 = zext i16 %52 to i64
  %54 = add i64 %53, 119333056
  %55 = trunc i64 %54 to i16
  %56 = load ptr, ptr %4, align 8, !tbaa !5
  %57 = getelementptr inbounds i16, ptr %56, i64 0
  store i16 %55, ptr %57, align 2, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #2
  call void @llvm.lifetime.end.p0(i64 2, 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 = !{!"short", !7, i64 0}
!11 = !{!7, !7, i64 0}


; 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 i16, ptr %0, align 2, !tbaa !5
  %4 = add i16 %3, -2410
  %.sroa.9.0.extract.shift = lshr i16 %4, 8
  %5 = zext i16 %4 to i32
  %6 = and i32 %5, 16
  %.not = icmp eq i32 %6, 0
  br i1 %.not, label %10, label %7

7:                                                ; preds = %2
  %8 = and i32 %5, 8
  %.not30 = icmp eq i32 %8, 0
  %9 = and i16 %4, 255
  %spec.select = select i1 %.not30, i16 %4, i16 %.sroa.9.0.extract.shift
  %spec.select31 = select i1 %.not30, i16 %.sroa.9.0.extract.shift, i16 %9
  br label %10

10:                                               ; preds = %7, %2
  %.sroa.0.0.in = phi i16 [ %spec.select, %7 ], [ %4, %2 ]
  %.sroa.9.0 = phi i16 [ %spec.select31, %7 ], [ %.sroa.9.0.extract.shift, %2 ]
  %.sroa.9.0.insert.shift26 = shl nuw i16 %.sroa.9.0, 8
  %.sroa.0.0.insert.ext11 = and i16 %.sroa.0.0.in, 255
  %.sroa.0.0.insert.insert13 = add nuw nsw i16 %.sroa.0.0.insert.ext11, -8000
  %11 = add i16 %.sroa.0.0.insert.insert13, %.sroa.9.0.insert.shift26
  store i16 %11, ptr %1, align 2, !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 = !{!"short", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


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