; 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
  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
  %7 = load ptr, ptr %3, align 8, !tbaa !5
  %8 = getelementptr inbounds i8, ptr %7, i64 0
  %9 = load i8, ptr %8, align 1, !tbaa !9
  %10 = zext i8 %9 to i64
  %11 = add i64 %10, 914778474
  %12 = xor i64 %11, 11
  %13 = trunc i64 %12 to i8
  %14 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  store i8 %13, ptr %14, align 1, !tbaa !9
  store i8 0, ptr %6, align 1, !tbaa !9
  br label %15

15:                                               ; preds = %68, %2
  %16 = load i8, ptr %6, align 1, !tbaa !9
  %17 = zext i8 %16 to i64
  %18 = icmp ult i64 %17, 1
  br i1 %18, label %19, label %71

19:                                               ; preds = %15
  %20 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  %21 = load i8, ptr %20, align 1, !tbaa !9
  %22 = zext i8 %21 to i32
  %23 = load i8, ptr %6, align 1, !tbaa !9
  %24 = zext i8 %23 to i32
  %25 = icmp sgt i32 %22, %24
  br i1 %25, label %26, label %39

26:                                               ; preds = %19
  %27 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  %28 = load i8, ptr %27, align 1, !tbaa !9
  %29 = zext i8 %28 to i32
  %30 = and i32 %29, 63
  %31 = shl i32 %30, 4
  %32 = load i8, ptr %6, align 1, !tbaa !9
  %33 = zext i8 %32 to i64
  %34 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 %33
  %35 = load i8, ptr %34, align 1, !tbaa !9
  %36 = zext i8 %35 to i32
  %37 = or i32 %36, %31
  %38 = trunc i32 %37 to i8
  store i8 %38, ptr %34, align 1, !tbaa !9
  br label %68

39:                                               ; preds = %19
  %40 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  %41 = load i8, ptr %40, align 1, !tbaa !9
  %42 = zext i8 %41 to i32
  %43 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  %44 = load i8, ptr %43, align 1, !tbaa !9
  %45 = zext i8 %44 to i32
  %46 = ashr i32 %45, 1
  %47 = and i32 %46, 15
  %48 = sext i32 %47 to i64
  %49 = or i64 %48, 1
  %50 = trunc i64 %49 to i32
  %51 = shl i32 %42, %50
  %52 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  %53 = load i8, ptr %52, align 1, !tbaa !9
  %54 = zext i8 %53 to i32
  %55 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  %56 = load i8, ptr %55, align 1, !tbaa !9
  %57 = zext i8 %56 to i32
  %58 = ashr i32 %57, 1
  %59 = and i32 %58, 15
  %60 = sext i32 %59 to i64
  %61 = or i64 %60, 1
  %62 = sub i64 8, %61
  %63 = trunc i64 %62 to i32
  %64 = ashr i32 %54, %63
  %65 = or i32 %51, %64
  %66 = trunc i32 %65 to i8
  %67 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  store i8 %66, ptr %67, align 1, !tbaa !9
  br label %68

68:                                               ; preds = %39, %26
  %69 = load i8, ptr %6, align 1, !tbaa !9
  %70 = add i8 %69, 1
  store i8 %70, ptr %6, align 1, !tbaa !9
  br label %15, !llvm.loop !10

71:                                               ; preds = %15
  %72 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  %73 = load i8, ptr %72, align 1, !tbaa !9
  %74 = zext i8 %73 to i32
  %75 = ashr i32 %74, 7
  %76 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  %77 = load i8, ptr %76, align 1, !tbaa !9
  %78 = zext i8 %77 to i32
  %79 = shl i32 %78, 1
  %80 = or i32 %75, %79
  %81 = mul nsw i32 %80, 253
  %82 = trunc i32 %81 to i8
  %83 = load ptr, ptr %4, align 8, !tbaa !5
  %84 = getelementptr inbounds i8, ptr %83, i64 0
  store i8 %82, ptr %84, align 1, !tbaa !9
  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"}


; 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 = shl i8 %5, 4
  %7 = or i8 %6, %5
  %8 = tail call i8 @llvm.fshl.i8(i8 %7, i8 %7, i8 1)
  %9 = mul i8 %8, -3
  store i8 %9, 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,JumpThreadingPass,LCSSAPass,LoopRotatePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass