; 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 i32], align 4
  %6 = 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 2, ptr %6) #2
  %7 = load ptr, ptr %3, align 8, !tbaa !5
  %8 = getelementptr inbounds i32, ptr %7, i64 0
  %9 = load i32, ptr %8, align 4, !tbaa !9
  %10 = add i32 %9, -10089659
  %11 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  store i32 %10, ptr %11, align 4, !tbaa !9
  %12 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %13 = load i32, ptr %12, align 4, !tbaa !9
  %14 = lshr i32 %13, 4
  %15 = and i32 %14, 1
  %16 = icmp ne i32 %15, 0
  br i1 %16, label %17, label %36

17:                                               ; preds = %2
  %18 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %19 = load i32, ptr %18, align 4, !tbaa !9
  %20 = lshr i32 %19, 4
  %21 = and i32 %20, 1
  %22 = icmp ne i32 %21, 0
  br i1 %22, label %23, label %29

23:                                               ; preds = %17
  %24 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %25 = load i32, ptr %24, align 4, !tbaa !9
  %26 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %27 = load i32, ptr %26, align 4, !tbaa !9
  %28 = add i32 %27, %25
  store i32 %28, ptr %26, align 4, !tbaa !9
  br label %35

29:                                               ; preds = %17
  %30 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %31 = load i32, ptr %30, align 4, !tbaa !9
  %32 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %33 = load i32, ptr %32, align 4, !tbaa !9
  %34 = add i32 %33, %31
  store i32 %34, ptr %32, align 4, !tbaa !9
  br label %35

35:                                               ; preds = %29, %23
  br label %55

36:                                               ; preds = %2
  %37 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %38 = load i32, ptr %37, align 4, !tbaa !9
  %39 = lshr i32 %38, 1
  %40 = and i32 %39, 1
  %41 = icmp ne i32 %40, 0
  br i1 %41, label %54, label %42

42:                                               ; preds = %36
  %43 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %44 = getelementptr inbounds i16, ptr %43, i64 0
  %45 = load i16, ptr %44, align 2, !tbaa !11
  store i16 %45, ptr %6, align 2, !tbaa !11
  %46 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %47 = getelementptr inbounds i16, ptr %46, i64 1
  %48 = load i16, ptr %47, align 2, !tbaa !11
  %49 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %50 = getelementptr inbounds i16, ptr %49, i64 0
  store i16 %48, ptr %50, align 2, !tbaa !11
  %51 = load i16, ptr %6, align 2, !tbaa !11
  %52 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %53 = getelementptr inbounds i16, ptr %52, i64 1
  store i16 %51, ptr %53, align 2, !tbaa !11
  br label %54

54:                                               ; preds = %42, %36
  br label %55

55:                                               ; preds = %54, %35
  %56 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %57 = load i32, ptr %56, align 4, !tbaa !9
  %58 = zext i32 %57 to i64
  %59 = add i64 %58, 844337816
  %60 = sub i64 %59, 553023807
  %61 = trunc i64 %60 to i32
  %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 %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.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 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"short", !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: 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 = add i32 %3, -10089659
  %5 = and i32 %4, 16
  %.not = icmp eq i32 %5, 0
  br i1 %.not, label %8, label %6

6:                                                ; preds = %2
  %7 = shl i32 %4, 1
  %.sroa.15.0.extract.shift47 = lshr i32 %7, 16
  br label %11

8:                                                ; preds = %2
  %.sroa.15.0.extract.shift = lshr i32 %4, 16
  %9 = and i32 %4, 2
  %.not72 = icmp eq i32 %9, 0
  %10 = and i32 %4, 65517
  %spec.select = select i1 %.not72, i32 %.sroa.15.0.extract.shift, i32 %4
  %spec.select73 = select i1 %.not72, i32 %10, i32 %.sroa.15.0.extract.shift
  br label %11

11:                                               ; preds = %8, %6
  %.sroa.0.0.in = phi i32 [ %7, %6 ], [ %spec.select, %8 ]
  %.sroa.15.0 = phi i32 [ %.sroa.15.0.extract.shift47, %6 ], [ %spec.select73, %8 ]
  %.sroa.15.0.insert.shift68 = shl nuw i32 %.sroa.15.0, 16
  %.sroa.0.0.insert.ext29 = and i32 %.sroa.0.0.in, 65535
  %.sroa.0.0.insert.insert31 = add nuw nsw i32 %.sroa.0.0.insert.ext29, 291314009
  %12 = add i32 %.sroa.0.0.insert.insert31, %.sroa.15.0.insert.shift68
  store i32 %12, 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: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass