; 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
  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
  %6 = load ptr, ptr %3, align 8, !tbaa !5
  %7 = getelementptr inbounds i8, ptr %6, i64 0
  %8 = load i8, ptr %7, align 1, !tbaa !9
  %9 = zext i8 %8 to i64
  %10 = and i64 %9, 914778474
  %11 = shl i64 %10, 7
  %12 = trunc i64 %11 to i8
  %13 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  store i8 %12, ptr %13, align 1, !tbaa !9
  %14 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  %15 = load i8, ptr %14, align 1, !tbaa !9
  %16 = zext i8 %15 to i32
  %17 = ashr i32 %16, 1
  %18 = and i32 %17, 1
  %19 = icmp ne i32 %18, 0
  br i1 %19, label %20, label %46

20:                                               ; preds = %2
  %21 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  %22 = load i8, ptr %21, align 1, !tbaa !9
  %23 = zext i8 %22 to i32
  %24 = and i32 %23, 7
  %25 = sext i32 %24 to i64
  %26 = or i64 %25, 1
  %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 = trunc i64 %26 to i32
  %31 = ashr i32 %29, %30
  %32 = trunc i32 %31 to i8
  store i8 %32, ptr %27, align 1, !tbaa !9
  %33 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  %34 = load i8, ptr %33, align 1, !tbaa !9
  %35 = zext i8 %34 to i32
  %36 = ashr i32 %35, 4
  %37 = and i32 %36, 7
  %38 = sext i32 %37 to i64
  %39 = or i64 %38, 1
  %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 = trunc i64 %39 to i32
  %44 = ashr i32 %42, %43
  %45 = trunc i32 %44 to i8
  store i8 %45, ptr %40, align 1, !tbaa !9
  br label %72

46:                                               ; preds = %2
  %47 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  %48 = load i8, ptr %47, align 1, !tbaa !9
  %49 = zext i8 %48 to i32
  %50 = and i32 %49, 7
  %51 = sext i32 %50 to i64
  %52 = or i64 %51, 1
  %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 = trunc i64 %52 to i32
  %57 = shl i32 %55, %56
  %58 = trunc i32 %57 to i8
  store i8 %58, ptr %53, align 1, !tbaa !9
  %59 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  %60 = load i8, ptr %59, align 1, !tbaa !9
  %61 = zext i8 %60 to i32
  %62 = ashr i32 %61, 2
  %63 = and i32 %62, 7
  %64 = sext i32 %63 to i64
  %65 = or i64 %64, 1
  %66 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  %67 = load i8, ptr %66, align 1, !tbaa !9
  %68 = zext i8 %67 to i32
  %69 = trunc i64 %65 to i32
  %70 = shl i32 %68, %69
  %71 = trunc i32 %70 to i8
  store i8 %71, ptr %66, align 1, !tbaa !9
  br label %72

72:                                               ; preds = %46, %20
  %73 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  %74 = load i8, ptr %73, align 1, !tbaa !9
  %75 = zext i8 %74 to i32
  %76 = shl i32 %75, 1
  %77 = trunc i32 %76 to i8
  %78 = load ptr, ptr %4, align 8, !tbaa !5
  %79 = getelementptr inbounds i8, ptr %78, i64 0
  store i8 %77, ptr %79, align 1, !tbaa !9
  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}


; 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: write) uwtable
define dso_local void @RandomFunc(ptr nocapture noundef readnone %0, ptr nocapture noundef writeonly %1) local_unnamed_addr #0 {
  store i8 0, ptr %1, align 1, !tbaa !5
  ret void
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) 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