; 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 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 i32
  %11 = add nsw i32 %10, 2885
  %12 = trunc i32 %11 to i16
  %13 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  store i16 %12, ptr %13, align 2, !tbaa !9
  %14 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %15 = load i16, ptr %14, align 2, !tbaa !9
  %16 = zext i16 %15 to i32
  %17 = ashr i32 %16, 4
  %18 = and i32 %17, 1
  %19 = icmp ne i32 %18, 0
  br i1 %19, label %20, label %74

20:                                               ; preds = %2
  %21 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %22 = load i16, ptr %21, align 2, !tbaa !9
  %23 = zext i16 %22 to i32
  %24 = ashr i32 %23, 4
  %25 = and i32 %24, 1
  %26 = icmp ne i32 %25, 0
  br i1 %26, label %27, label %47

27:                                               ; preds = %20
  %28 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %29 = load i16, ptr %28, align 2, !tbaa !9
  %30 = zext i16 %29 to i32
  %31 = ashr i32 %30, 2
  %32 = and i32 %31, 1
  %33 = icmp ne i32 %32, 0
  br i1 %33, label %34, label %46

34:                                               ; preds = %27
  %35 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %36 = getelementptr inbounds i8, ptr %35, i64 0
  %37 = load i8, ptr %36, align 1, !tbaa !11
  store i8 %37, 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 1
  %40 = load i8, ptr %39, align 1, !tbaa !11
  %41 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %42 = getelementptr inbounds i8, ptr %41, i64 0
  store i8 %40, ptr %42, align 1, !tbaa !11
  %43 = load i8, ptr %6, align 1, !tbaa !11
  %44 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %45 = getelementptr inbounds i8, ptr %44, i64 1
  store i8 %43, ptr %45, align 1, !tbaa !11
  br label %46

46:                                               ; preds = %34, %27
  br label %73

47:                                               ; preds = %20
  %48 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %49 = load i16, ptr %48, align 2, !tbaa !9
  %50 = zext i16 %49 to i32
  %51 = ashr i32 %50, 3
  %52 = and i32 %51, 1
  %53 = icmp ne i32 %52, 0
  br i1 %53, label %54, label %63

54:                                               ; preds = %47
  %55 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %56 = load i16, ptr %55, align 2, !tbaa !9
  %57 = zext i16 %56 to i32
  %58 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %59 = load i16, ptr %58, align 2, !tbaa !9
  %60 = zext i16 %59 to i32
  %61 = add nsw i32 %60, %57
  %62 = trunc i32 %61 to i16
  store i16 %62, ptr %58, align 2, !tbaa !9
  br label %72

63:                                               ; preds = %47
  %64 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %65 = load i16, ptr %64, align 2, !tbaa !9
  %66 = zext i16 %65 to i32
  %67 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %68 = load i16, ptr %67, align 2, !tbaa !9
  %69 = zext i16 %68 to i32
  %70 = add nsw i32 %69, %66
  %71 = trunc i32 %70 to i16
  store i16 %71, ptr %67, align 2, !tbaa !9
  br label %72

72:                                               ; preds = %63, %54
  br label %73

73:                                               ; preds = %72, %46
  br label %74

74:                                               ; preds = %73, %2
  %75 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %76 = load i16, ptr %75, align 2, !tbaa !9
  %77 = zext i16 %76 to i32
  %78 = add nsw i32 %77, 37798
  %79 = trunc i32 %78 to i16
  %80 = load ptr, ptr %4, align 8, !tbaa !5
  %81 = getelementptr inbounds i16, ptr %80, i64 0
  store i16 %79, ptr %81, 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.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 = !{!"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, 2885
  %.sroa.16.0.extract.shift = lshr i16 %4, 8
  %5 = and i16 %4, 20
  %or.cond.not = icmp eq i16 %5, 20
  %6 = and i16 %4, 255
  %.sroa.0.0.in = select i1 %or.cond.not, i16 %.sroa.16.0.extract.shift, i16 %4
  %.sroa.16.0 = select i1 %or.cond.not, i16 %6, i16 %.sroa.16.0.extract.shift
  %.sroa.16.0.insert.shift77 = shl nuw i16 %.sroa.16.0, 8
  %.sroa.0.0.insert.ext33 = and i16 %.sroa.0.0.in, 255
  %.sroa.0.0.insert.insert35 = add nuw nsw i16 %.sroa.0.0.insert.ext33, -27738
  %7 = add i16 %.sroa.0.0.insert.insert35, %.sroa.16.0.insert.shift77
  store i16 %7, 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