; 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 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 i32
  %12 = xor i32 %11, 219
  %13 = trunc i32 %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 %7, align 1, !tbaa !9
  br label %15

15:                                               ; preds = %63, %2
  %16 = load i8, ptr %7, align 1, !tbaa !9
  %17 = zext i8 %16 to i64
  %18 = icmp ult i64 %17, 1
  br i1 %18, label %19, label %68

19:                                               ; preds = %15
  store i8 0, ptr %6, align 1, !tbaa !9
  br label %20

20:                                               ; preds = %24, %19
  %21 = load i8, ptr %6, align 1, !tbaa !9
  %22 = zext i8 %21 to i64
  %23 = icmp ult i64 %22, 1
  br i1 %23, label %24, label %63

24:                                               ; preds = %20
  %25 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  %26 = load i8, ptr %25, align 1, !tbaa !9
  %27 = zext i8 %26 to i32
  %28 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  %29 = load i8, ptr %28, align 1, !tbaa !9
  %30 = zext i8 %29 to i32
  %31 = ashr i32 %30, 2
  %32 = and i32 %31, 7
  %33 = sext i32 %32 to i64
  %34 = or i64 %33, 1
  %35 = trunc i64 %34 to i32
  %36 = shl i32 %27, %35
  %37 = trunc i32 %36 to i8
  %38 = load i8, ptr %7, align 1, !tbaa !9
  %39 = zext i8 %38 to i64
  %40 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 %39
  store i8 %37, ptr %40, align 1, !tbaa !9
  %41 = load i8, ptr %6, align 1, !tbaa !9
  %42 = zext i8 %41 to i64
  %43 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 %42
  %44 = load i8, ptr %43, align 1, !tbaa !9
  %45 = zext i8 %44 to i32
  %46 = load i8, ptr %6, align 1, !tbaa !9
  %47 = zext i8 %46 to i64
  %48 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 %47
  %49 = load i8, ptr %48, align 1, !tbaa !9
  %50 = zext i8 %49 to i32
  %51 = ashr i32 %50, 1
  %52 = and i32 %51, 7
  %53 = sext i32 %52 to i64
  %54 = or i64 %53, 1
  %55 = trunc i64 %54 to i32
  %56 = ashr i32 %45, %55
  %57 = trunc i32 %56 to i8
  %58 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  store i8 %57, ptr %58, align 1, !tbaa !9
  %59 = load i8, ptr %6, align 1, !tbaa !9
  %60 = zext i8 %59 to i64
  %61 = add i64 %60, 2
  %62 = trunc i64 %61 to i8
  store i8 %62, ptr %6, align 1, !tbaa !9
  br label %20, !llvm.loop !10

63:                                               ; preds = %20
  %64 = load i8, ptr %7, align 1, !tbaa !9
  %65 = zext i8 %64 to i64
  %66 = add i64 %65, 2
  %67 = trunc i64 %66 to i8
  store i8 %67, ptr %7, align 1, !tbaa !9
  br label %15, !llvm.loop !12

68:                                               ; preds = %15
  %69 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  %70 = load i8, ptr %69, align 1, !tbaa !9
  %71 = zext i8 %70 to i64
  %72 = or i64 %71, 1039116836
  %73 = and i64 %72, 235
  %74 = trunc i64 %73 to i8
  %75 = load ptr, ptr %4, align 8, !tbaa !5
  %76 = getelementptr inbounds i8, ptr %75, i64 0
  store i8 %74, ptr %76, 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.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 = !{!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 {
.critedge:
  %2 = load i8, ptr %0, align 1, !tbaa !5
  %3 = xor i8 %2, -37
  %4 = lshr i8 %3, 2
  %5 = and i8 %4, 6
  %6 = or disjoint i8 %5, 1
  %7 = shl i8 %3, %6
  %8 = lshr exact i8 %7, 1
  %9 = and i8 %8, 6
  %10 = or disjoint i8 %9, 1
  %11 = lshr i8 %7, %10
  %12 = and i8 %11, 75
  %13 = or disjoint i8 %12, 32
  store i8 %13, ptr %1, align 1, !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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}


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