; 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 i32], align 4
  %6 = alloca i32, align 4
  %7 = alloca i16, align 2
  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 4, ptr %5) #2
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #2
  call void @llvm.lifetime.start.p0(i64 2, ptr %7) #2
  %8 = load ptr, ptr %3, align 8, !tbaa !5
  %9 = getelementptr inbounds i32, ptr %8, i64 0
  %10 = load i32, ptr %9, align 4, !tbaa !9
  %11 = zext i32 %10 to i64
  %12 = and i64 %11, 914778474
  %13 = shl i64 %12, 7
  %14 = trunc i64 %13 to i32
  %15 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  store i32 %14, ptr %15, align 4, !tbaa !9
  store i32 0, ptr %6, align 4, !tbaa !9
  br label %16

16:                                               ; preds = %55, %2
  %17 = load i32, ptr %6, align 4, !tbaa !9
  %18 = icmp ult i32 %17, 0
  br i1 %18, label %19, label %58

19:                                               ; preds = %16
  %20 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %21 = load i32, ptr %20, align 4, !tbaa !9
  %22 = load i32, ptr %6, align 4, !tbaa !9
  %23 = icmp ugt i32 %21, %22
  br i1 %23, label %24, label %44

24:                                               ; preds = %19
  %25 = load i32, ptr %6, align 4, !tbaa !9
  %26 = zext i32 %25 to i64
  %27 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %26
  %28 = getelementptr inbounds i16, ptr %27, i64 1
  %29 = load i16, ptr %28, align 2, !tbaa !11
  store i16 %29, ptr %7, align 2, !tbaa !11
  %30 = load i32, ptr %6, align 4, !tbaa !9
  %31 = zext i32 %30 to i64
  %32 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %31
  %33 = getelementptr inbounds i16, ptr %32, i64 0
  %34 = load i16, ptr %33, align 2, !tbaa !11
  %35 = load i32, ptr %6, align 4, !tbaa !9
  %36 = zext i32 %35 to i64
  %37 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %36
  %38 = getelementptr inbounds i16, ptr %37, i64 1
  store i16 %34, ptr %38, align 2, !tbaa !11
  %39 = load i16, ptr %7, align 2, !tbaa !11
  %40 = load i32, ptr %6, align 4, !tbaa !9
  %41 = zext i32 %40 to i64
  %42 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %41
  %43 = getelementptr inbounds i16, ptr %42, i64 0
  store i16 %39, ptr %43, align 2, !tbaa !11
  br label %55

44:                                               ; preds = %19
  %45 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %46 = load i32, ptr %45, align 4, !tbaa !9
  %47 = lshr i32 %46, 4
  %48 = and i32 %47, 7
  %49 = zext i32 %48 to i64
  %50 = or i64 %49, 1
  %51 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %52 = load i32, ptr %51, align 4, !tbaa !9
  %53 = trunc i64 %50 to i32
  %54 = lshr i32 %52, %53
  store i32 %54, ptr %51, align 4, !tbaa !9
  br label %55

55:                                               ; preds = %44, %24
  %56 = load i32, ptr %6, align 4, !tbaa !9
  %57 = add i32 %56, 1
  store i32 %57, ptr %6, align 4, !tbaa !9
  br label %16, !llvm.loop !13

58:                                               ; preds = %16
  %59 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %60 = load i32, ptr %59, align 4, !tbaa !9
  %61 = shl i32 %60, 1
  %62 = load ptr, ptr %4, align 8, !tbaa !5
  %63 = getelementptr inbounds i32, ptr %62, i64 0
  store i32 %61, ptr %63, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 2, ptr %7) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #2
  call void @llvm.lifetime.end.p0(i64 4, 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 = !{!"int", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"short", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"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 i32, ptr %0, align 4, !tbaa !5
  %4 = shl i32 %3, 8
  %5 = and i32 %4, -2039911936
  store i32 %5, ptr %1, align 4, !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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


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