; 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 i16, align 2
  %7 = alloca i16, align 2
  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
  %8 = load ptr, ptr %3, align 8, !tbaa !5
  %9 = getelementptr inbounds i16, ptr %8, i64 0
  %10 = load i16, ptr %9, align 2, !tbaa !9
  %11 = zext i16 %10 to i32
  %12 = add nsw i32 %11, 11483
  %13 = trunc i32 %12 to i16
  %14 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  store i16 %13, ptr %14, align 2, !tbaa !9
  store i16 0, ptr %7, align 2, !tbaa !9
  br label %15

15:                                               ; preds = %64, %2
  %16 = load i16, ptr %7, align 2, !tbaa !9
  %17 = zext i16 %16 to i32
  %18 = icmp slt i32 %17, 0
  br i1 %18, label %19, label %67

19:                                               ; preds = %15
  store i16 0, ptr %6, align 2, !tbaa !9
  br label %20

20:                                               ; preds = %24, %19
  %21 = load i16, ptr %6, align 2, !tbaa !9
  %22 = zext i16 %21 to i32
  %23 = icmp slt i32 %22, 0
  br i1 %23, label %24, label %64

24:                                               ; preds = %20
  %25 = load i16, ptr %6, align 2, !tbaa !9
  %26 = zext i16 %25 to i64
  %27 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 %26
  %28 = load i16, ptr %27, align 2, !tbaa !9
  %29 = zext i16 %28 to i32
  %30 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %31 = load i16, ptr %30, align 2, !tbaa !9
  %32 = zext i16 %31 to i32
  %33 = ashr i32 %32, 1
  %34 = and i32 %33, 15
  %35 = sext i32 %34 to i64
  %36 = or i64 %35, 1
  %37 = trunc i64 %36 to i32
  %38 = shl i32 %29, %37
  %39 = load i16, ptr %6, align 2, !tbaa !9
  %40 = zext i16 %39 to i64
  %41 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 %40
  %42 = load i16, ptr %41, align 2, !tbaa !9
  %43 = zext i16 %42 to i32
  %44 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %45 = load i16, ptr %44, align 2, !tbaa !9
  %46 = zext i16 %45 to i32
  %47 = ashr i32 %46, 1
  %48 = and i32 %47, 15
  %49 = sext i32 %48 to i64
  %50 = or i64 %49, 1
  %51 = sub i64 16, %50
  %52 = trunc i64 %51 to i32
  %53 = ashr i32 %43, %52
  %54 = or i32 %38, %53
  %55 = and i32 %54, 31
  %56 = shl i32 %55, 4
  %57 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %58 = load i16, ptr %57, align 2, !tbaa !9
  %59 = zext i16 %58 to i32
  %60 = or i32 %59, %56
  %61 = trunc i32 %60 to i16
  store i16 %61, ptr %57, align 2, !tbaa !9
  %62 = load i16, ptr %6, align 2, !tbaa !9
  %63 = add i16 %62, 1
  store i16 %63, ptr %6, align 2, !tbaa !9
  br label %20, !llvm.loop !11

64:                                               ; preds = %20
  %65 = load i16, ptr %7, align 2, !tbaa !9
  %66 = add i16 %65, 1
  store i16 %66, ptr %7, align 2, !tbaa !9
  br label %15, !llvm.loop !13

67:                                               ; preds = %15
  %68 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %69 = load i16, ptr %68, align 2, !tbaa !9
  %70 = zext i16 %69 to i32
  %71 = ashr i32 %70, 11
  %72 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %73 = load i16, ptr %72, align 2, !tbaa !9
  %74 = zext i16 %73 to i32
  %75 = shl i32 %74, 5
  %76 = or i32 %71, %75
  %77 = trunc i32 %76 to i16
  %78 = load ptr, ptr %4, align 8, !tbaa !5
  %79 = getelementptr inbounds i16, ptr %78, i64 0
  store i16 %77, ptr %79, align 2, !tbaa !9
  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.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 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}


; 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, 11483
  %5 = tail call i16 @llvm.fshl.i16(i16 %4, i16 %4, i16 5)
  store i16 %5, ptr %1, align 2, !tbaa !5
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i16 @llvm.fshl.i16(i16, i16, i16) #1

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" }
attributes #1 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }

!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,TailCallElimPass