; 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
  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
  %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 = xor i32 %11, 7387
  %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 %6, align 2, !tbaa !9
  br label %15

15:                                               ; preds = %73, %2
  %16 = load i16, ptr %6, align 2, !tbaa !9
  %17 = zext i16 %16 to i32
  %18 = icmp slt i32 %17, 0
  br i1 %18, label %19, label %78

19:                                               ; preds = %15
  %20 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %21 = load i16, ptr %20, align 2, !tbaa !9
  %22 = zext i16 %21 to i32
  %23 = load i16, ptr %6, align 2, !tbaa !9
  %24 = zext i16 %23 to i32
  %25 = icmp ne i32 %22, %24
  br i1 %25, label %26, label %48

26:                                               ; preds = %19
  %27 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %28 = getelementptr inbounds i8, ptr %27, i64 1
  %29 = load i8, ptr %28, align 1, !tbaa !11
  store i8 %29, ptr %7, align 1, !tbaa !11
  %30 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %31 = getelementptr inbounds i8, ptr %30, i64 0
  %32 = load i8, ptr %31, align 1, !tbaa !11
  %33 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %34 = getelementptr inbounds i8, ptr %33, i64 1
  store i8 %32, ptr %34, align 1, !tbaa !11
  %35 = load i8, ptr %7, align 1, !tbaa !11
  %36 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %37 = getelementptr inbounds i8, ptr %36, i64 0
  store i8 %35, ptr %37, align 1, !tbaa !11
  %38 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %39 = load i16, ptr %38, align 2, !tbaa !9
  %40 = zext i16 %39 to i32
  %41 = load i16, ptr %6, align 2, !tbaa !9
  %42 = zext i16 %41 to i64
  %43 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 %42
  %44 = load i16, ptr %43, align 2, !tbaa !9
  %45 = zext i16 %44 to i32
  %46 = xor i32 %45, %40
  %47 = trunc i32 %46 to i16
  store i16 %47, ptr %43, align 2, !tbaa !9
  br label %73

48:                                               ; preds = %19
  %49 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %50 = load i16, ptr %49, align 2, !tbaa !9
  %51 = zext i16 %50 to i32
  %52 = ashr i32 %51, 1
  %53 = and i32 %52, 7
  %54 = sext i32 %53 to i64
  %55 = or i64 %54, 1
  %56 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %57 = load i16, ptr %56, align 2, !tbaa !9
  %58 = zext i16 %57 to i32
  %59 = trunc i64 %55 to i32
  %60 = shl i32 %58, %59
  %61 = trunc i32 %60 to i16
  store i16 %61, ptr %56, align 2, !tbaa !9
  %62 = load i16, ptr %6, align 2, !tbaa !9
  %63 = zext i16 %62 to i64
  %64 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 %63
  %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 = or i32 %66, %69
  %71 = trunc i32 %70 to i16
  %72 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  store i16 %71, ptr %72, align 2, !tbaa !9
  br label %73

73:                                               ; preds = %48, %26
  %74 = load i16, ptr %6, align 2, !tbaa !9
  %75 = zext i16 %74 to i64
  %76 = add i64 %75, 2
  %77 = trunc i64 %76 to i16
  store i16 %77, ptr %6, align 2, !tbaa !9
  br label %15, !llvm.loop !12

78:                                               ; preds = %15
  %79 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %80 = load i16, ptr %79, align 2, !tbaa !9
  %81 = zext i16 %80 to i32
  %82 = ashr i32 %81, 7
  %83 = trunc i32 %82 to i16
  %84 = load ptr, ptr %4, align 8, !tbaa !5
  %85 = getelementptr inbounds i16, ptr %84, i64 0
  store i16 %83, ptr %85, align 2, !tbaa !9
  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"}


; 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 = lshr i16 %3, 7
  %5 = xor i16 %4, 57
  store i16 %5, 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