; 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 i16, align 2
  %7 = alloca i16, align 2
  %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 2, ptr %5) #2
  call void @llvm.lifetime.start.p0(i64 2, ptr %6) #2
  call void @llvm.lifetime.start.p0(i64 2, 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 i16, ptr %9, i64 0
  %11 = load i16, ptr %10, align 2, !tbaa !9
  %12 = zext i16 %11 to i64
  %13 = add i64 %12, 914778474
  %14 = mul i64 %13, 64278
  %15 = trunc i64 %14 to i16
  %16 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  store i16 %15, ptr %16, align 2, !tbaa !9
  store i16 0, ptr %7, align 2, !tbaa !9
  br label %17

17:                                               ; preds = %59, %2
  %18 = load i16, ptr %7, align 2, !tbaa !9
  %19 = zext i16 %18 to i64
  %20 = icmp ult i64 %19, 1
  br i1 %20, label %21, label %62

21:                                               ; preds = %17
  store i16 0, ptr %6, align 2, !tbaa !9
  br label %22

22:                                               ; preds = %56, %21
  %23 = load i16, ptr %6, align 2, !tbaa !9
  %24 = zext i16 %23 to i64
  %25 = icmp ult i64 %24, 1
  br i1 %25, label %26, label %59

26:                                               ; preds = %22
  %27 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %28 = load i16, ptr %27, align 2, !tbaa !9
  %29 = zext i16 %28 to i32
  %30 = load i16, ptr %6, align 2, !tbaa !9
  %31 = zext i16 %30 to i32
  %32 = load i16, ptr %7, align 2, !tbaa !9
  %33 = zext i16 %32 to i32
  %34 = add nsw i32 %31, %33
  %35 = icmp slt i32 %29, %34
  br i1 %35, label %36, label %56

36:                                               ; preds = %26
  %37 = load i16, ptr %7, align 2, !tbaa !9
  %38 = zext i16 %37 to i64
  %39 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 %38
  %40 = getelementptr inbounds i8, ptr %39, i64 0
  %41 = load i8, ptr %40, align 1, !tbaa !11
  store i8 %41, ptr %8, align 1, !tbaa !11
  %42 = load i16, ptr %7, align 2, !tbaa !9
  %43 = zext i16 %42 to i64
  %44 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 %43
  %45 = getelementptr inbounds i8, ptr %44, i64 1
  %46 = load i8, ptr %45, align 1, !tbaa !11
  %47 = load i16, ptr %7, align 2, !tbaa !9
  %48 = zext i16 %47 to i64
  %49 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 %48
  %50 = getelementptr inbounds i8, ptr %49, i64 0
  store i8 %46, ptr %50, align 1, !tbaa !11
  %51 = load i8, ptr %8, align 1, !tbaa !11
  %52 = load i16, ptr %7, align 2, !tbaa !9
  %53 = zext i16 %52 to i64
  %54 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 %53
  %55 = getelementptr inbounds i8, ptr %54, i64 1
  store i8 %51, ptr %55, align 1, !tbaa !11
  br label %56

56:                                               ; preds = %36, %26
  %57 = load i16, ptr %6, align 2, !tbaa !9
  %58 = add i16 %57, 1
  store i16 %58, ptr %6, align 2, !tbaa !9
  br label %22, !llvm.loop !12

59:                                               ; preds = %22
  %60 = load i16, ptr %7, align 2, !tbaa !9
  %61 = add i16 %60, 1
  store i16 %61, ptr %7, align 2, !tbaa !9
  br label %17, !llvm.loop !14

62:                                               ; preds = %17
  %63 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %64 = load i16, ptr %63, align 2, !tbaa !9
  %65 = zext i16 %64 to i64
  %66 = mul i64 %65, 413141921
  %67 = trunc i64 %66 to i16
  %68 = load ptr, ptr %4, align 8, !tbaa !5
  %69 = getelementptr inbounds i16, ptr %68, i64 0
  store i16 %67, ptr %69, align 2, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #2
  call void @llvm.lifetime.end.p0(i64 2, ptr %7) #2
  call void @llvm.lifetime.end.p0(i64 2, 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}
!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: 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 {
.critedge:
  %2 = load i16, ptr %0, align 2, !tbaa !5
  %3 = mul i16 %2, -9514
  %4 = add i16 %3, 25244
  store i16 %4, 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,SROAPass,SimplifyCFGPass