; 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 i8, align 1
  %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 1, 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 %6, align 2, !tbaa !9
  br label %17

17:                                               ; preds = %21, %2
  %18 = load i16, ptr %6, align 2, !tbaa !9
  %19 = zext i16 %18 to i64
  %20 = icmp ult i64 %19, 1
  br i1 %20, label %21, label %43

21:                                               ; preds = %17
  %22 = load i16, ptr %6, align 2, !tbaa !9
  %23 = zext i16 %22 to i64
  %24 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 %23
  %25 = getelementptr inbounds i8, ptr %24, i64 1
  %26 = load i8, ptr %25, align 1, !tbaa !11
  store i8 %26, ptr %7, align 1, !tbaa !11
  %27 = load i16, ptr %6, align 2, !tbaa !9
  %28 = zext i16 %27 to i64
  %29 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 %28
  %30 = getelementptr inbounds i8, ptr %29, i64 0
  %31 = load i8, ptr %30, align 1, !tbaa !11
  %32 = load i16, ptr %6, align 2, !tbaa !9
  %33 = zext i16 %32 to i64
  %34 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 %33
  %35 = getelementptr inbounds i8, ptr %34, i64 1
  store i8 %31, ptr %35, align 1, !tbaa !11
  %36 = load i8, ptr %7, align 1, !tbaa !11
  %37 = load i16, ptr %6, 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
  store i8 %36, ptr %40, align 1, !tbaa !11
  %41 = load i16, ptr %6, align 2, !tbaa !9
  %42 = add i16 %41, 1
  store i16 %42, ptr %6, align 2, !tbaa !9
  br label %17, !llvm.loop !12

43:                                               ; preds = %17
  store i16 0, ptr %6, align 2, !tbaa !9
  br label %44

44:                                               ; preds = %48, %43
  %45 = load i16, ptr %6, align 2, !tbaa !9
  %46 = zext i16 %45 to i64
  %47 = icmp ult i64 %46, 1
  br i1 %47, label %48, label %89

48:                                               ; preds = %44
  %49 = load i16, ptr %6, align 2, !tbaa !9
  %50 = zext i16 %49 to i64
  %51 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 %50
  %52 = getelementptr inbounds i8, ptr %51, i64 0
  %53 = load i8, ptr %52, align 1, !tbaa !11
  store i8 %53, ptr %8, align 1, !tbaa !11
  %54 = load i16, ptr %6, align 2, !tbaa !9
  %55 = zext i16 %54 to i64
  %56 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 %55
  %57 = getelementptr inbounds i8, ptr %56, i64 1
  %58 = load i8, ptr %57, align 1, !tbaa !11
  %59 = load i16, ptr %6, align 2, !tbaa !9
  %60 = zext i16 %59 to i64
  %61 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 %60
  %62 = getelementptr inbounds i8, ptr %61, i64 0
  store i8 %58, ptr %62, align 1, !tbaa !11
  %63 = load i8, ptr %8, align 1, !tbaa !11
  %64 = load i16, ptr %6, align 2, !tbaa !9
  %65 = zext i16 %64 to i64
  %66 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 %65
  %67 = getelementptr inbounds i8, ptr %66, i64 1
  store i8 %63, ptr %67, align 1, !tbaa !11
  %68 = load i16, ptr %6, align 2, !tbaa !9
  %69 = zext i16 %68 to i64
  %70 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 %69
  %71 = getelementptr inbounds i8, ptr %70, i64 1
  %72 = load i8, ptr %71, align 1, !tbaa !11
  store i8 %72, ptr %8, align 1, !tbaa !11
  %73 = load i16, ptr %6, align 2, !tbaa !9
  %74 = zext i16 %73 to i64
  %75 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 %74
  %76 = getelementptr inbounds i8, ptr %75, i64 0
  %77 = load i8, ptr %76, align 1, !tbaa !11
  %78 = load i16, ptr %6, align 2, !tbaa !9
  %79 = zext i16 %78 to i64
  %80 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 %79
  %81 = getelementptr inbounds i8, ptr %80, i64 1
  store i8 %77, ptr %81, align 1, !tbaa !11
  %82 = load i8, ptr %8, align 1, !tbaa !11
  %83 = load i16, ptr %6, align 2, !tbaa !9
  %84 = zext i16 %83 to i64
  %85 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 %84
  %86 = getelementptr inbounds i8, ptr %85, i64 0
  store i8 %82, ptr %86, align 1, !tbaa !11
  %87 = load i16, ptr %6, align 2, !tbaa !9
  %88 = add i16 %87, 1
  store i16 %88, ptr %6, align 2, !tbaa !9
  br label %44, !llvm.loop !14

89:                                               ; preds = %44
  %90 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %91 = load i16, ptr %90, align 2, !tbaa !9
  %92 = zext i16 %91 to i64
  %93 = mul i64 %92, 102528858
  %94 = trunc i64 %93 to i16
  %95 = load ptr, ptr %4, align 8, !tbaa !5
  %96 = getelementptr inbounds i16, ptr %95, i64 0
  store i16 %94, ptr %96, align 2, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #2
  call void @llvm.lifetime.end.p0(i64 1, 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, -1258
  %4 = add i16 %3, -740
  %.sroa.0.0.insert.insert = tail call i16 @llvm.bswap.i16(i16 %4)
  %5 = mul i16 %.sroa.0.0.insert.insert, 30554
  store i16 %5, ptr %1, align 2, !tbaa !5
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i16 @llvm.bswap.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: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass