; 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 i8], align 1
  %6 = alloca i8, align 1
  %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 1, ptr %5) #2
  call void @llvm.lifetime.start.p0(i64 1, 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 i8, ptr %8, i64 0
  %10 = load i8, ptr %9, align 1, !tbaa !9
  %11 = zext i8 %10 to i64
  %12 = add i64 %11, 914778474
  %13 = xor i64 %12, 11
  %14 = trunc i64 %13 to i8
  %15 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  store i8 %14, ptr %15, align 1, !tbaa !9
  store i8 0, ptr %7, align 1, !tbaa !9
  br label %16

16:                                               ; preds = %70, %2
  %17 = load i8, ptr %7, align 1, !tbaa !9
  %18 = zext i8 %17 to i32
  %19 = icmp slt i32 %18, 0
  br i1 %19, label %20, label %73

20:                                               ; preds = %16
  store i8 0, ptr %6, align 1, !tbaa !9
  br label %21

21:                                               ; preds = %25, %20
  %22 = load i8, ptr %6, align 1, !tbaa !9
  %23 = zext i8 %22 to i32
  %24 = icmp slt i32 %23, 0
  br i1 %24, label %25, label %70

25:                                               ; preds = %21
  %26 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  %27 = load i8, ptr %26, align 1, !tbaa !9
  %28 = zext i8 %27 to i32
  %29 = and i32 %28, 63
  %30 = shl i32 %29, 4
  %31 = load i8, ptr %6, align 1, !tbaa !9
  %32 = zext i8 %31 to i64
  %33 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 %32
  %34 = load i8, ptr %33, align 1, !tbaa !9
  %35 = zext i8 %34 to i32
  %36 = or i32 %35, %30
  %37 = trunc i32 %36 to i8
  store i8 %37, ptr %33, align 1, !tbaa !9
  %38 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  %39 = load i8, ptr %38, align 1, !tbaa !9
  %40 = zext i8 %39 to i32
  %41 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  %42 = load i8, ptr %41, align 1, !tbaa !9
  %43 = zext i8 %42 to i32
  %44 = ashr i32 %43, 1
  %45 = and i32 %44, 15
  %46 = sext i32 %45 to i64
  %47 = or i64 %46, 1
  %48 = trunc i64 %47 to i32
  %49 = shl i32 %40, %48
  %50 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  %51 = load i8, ptr %50, align 1, !tbaa !9
  %52 = zext i8 %51 to i32
  %53 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  %54 = load i8, ptr %53, align 1, !tbaa !9
  %55 = zext i8 %54 to i32
  %56 = ashr i32 %55, 1
  %57 = and i32 %56, 15
  %58 = sext i32 %57 to i64
  %59 = or i64 %58, 1
  %60 = sub i64 8, %59
  %61 = trunc i64 %60 to i32
  %62 = ashr i32 %52, %61
  %63 = or i32 %49, %62
  %64 = trunc i32 %63 to i8
  %65 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  store i8 %64, ptr %65, align 1, !tbaa !9
  %66 = load i8, ptr %6, align 1, !tbaa !9
  %67 = zext i8 %66 to i64
  %68 = add i64 %67, 2
  %69 = trunc i64 %68 to i8
  store i8 %69, ptr %6, align 1, !tbaa !9
  br label %21, !llvm.loop !10

70:                                               ; preds = %21
  %71 = load i8, ptr %7, align 1, !tbaa !9
  %72 = add i8 %71, 1
  store i8 %72, ptr %7, align 1, !tbaa !9
  br label %16, !llvm.loop !12

73:                                               ; preds = %16
  %74 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  %75 = load i8, ptr %74, align 1, !tbaa !9
  %76 = zext i8 %75 to i32
  %77 = ashr i32 %76, 7
  %78 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  %79 = load i8, ptr %78, align 1, !tbaa !9
  %80 = zext i8 %79 to i32
  %81 = shl i32 %80, 1
  %82 = or i32 %77, %81
  %83 = mul nsw i32 %82, 253
  %84 = trunc i32 %83 to i8
  %85 = load ptr, ptr %4, align 8, !tbaa !5
  %86 = getelementptr inbounds i8, ptr %85, i64 0
  store i8 %84, ptr %86, align 1, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #2
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #2
  call void @llvm.lifetime.end.p0(i64 1, 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 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}
!12 = distinct !{!12, !11}


; 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 i8, ptr %0, align 1, !tbaa !5
  %4 = add i8 %3, 106
  %5 = xor i8 %4, 11
  %6 = tail call i8 @llvm.fshl.i8(i8 %5, i8 %5, i8 1)
  %7 = mul i8 %6, -3
  store i8 %7, ptr %1, align 1, !tbaa !5
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i8 @llvm.fshl.i8(i8, i8, i8) #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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass