; 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 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 = add i64 %11, 914778474
  %13 = xor i64 %12, 3462201355
  %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 = %68, %2
  %17 = load i32, ptr %6, align 4, !tbaa !9
  %18 = icmp ult i32 %17, 0
  br i1 %18, label %19, label %71

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 %59

24:                                               ; preds = %19
  %25 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %26 = load i32, ptr %25, align 4, !tbaa !9
  %27 = load i32, ptr %6, align 4, !tbaa !9
  %28 = icmp eq i32 %26, %27
  br i1 %28, label %29, label %38

29:                                               ; preds = %24
  %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 = load i32, ptr %32, align 4, !tbaa !9
  %34 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %35 = load i32, ptr %34, align 4, !tbaa !9
  %36 = sub i32 %33, %35
  %37 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  store i32 %36, ptr %37, align 4, !tbaa !9
  br label %58

38:                                               ; preds = %24
  %39 = load i32, ptr %6, align 4, !tbaa !9
  %40 = zext i32 %39 to i64
  %41 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %40
  %42 = getelementptr inbounds i16, ptr %41, i64 1
  %43 = load i16, ptr %42, align 2, !tbaa !11
  store i16 %43, ptr %7, align 2, !tbaa !11
  %44 = load i32, ptr %6, align 4, !tbaa !9
  %45 = zext i32 %44 to i64
  %46 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %45
  %47 = getelementptr inbounds i16, ptr %46, i64 0
  %48 = load i16, ptr %47, align 2, !tbaa !11
  %49 = load i32, ptr %6, align 4, !tbaa !9
  %50 = zext i32 %49 to i64
  %51 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %50
  %52 = getelementptr inbounds i16, ptr %51, i64 1
  store i16 %48, ptr %52, align 2, !tbaa !11
  %53 = load i16, ptr %7, align 2, !tbaa !11
  %54 = load i32, ptr %6, align 4, !tbaa !9
  %55 = zext i32 %54 to i64
  %56 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %55
  %57 = getelementptr inbounds i16, ptr %56, i64 0
  store i16 %53, ptr %57, align 2, !tbaa !11
  br label %58

58:                                               ; preds = %38, %29
  br label %68

59:                                               ; preds = %19
  %60 = load i32, ptr %6, align 4, !tbaa !9
  %61 = zext i32 %60 to i64
  %62 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %61
  %63 = load i32, ptr %62, align 4, !tbaa !9
  %64 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %65 = load i32, ptr %64, align 4, !tbaa !9
  %66 = add i32 %63, %65
  %67 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  store i32 %66, ptr %67, align 4, !tbaa !9
  br label %68

68:                                               ; preds = %59, %58
  %69 = load i32, ptr %6, align 4, !tbaa !9
  %70 = add i32 %69, 1
  store i32 %70, ptr %6, align 4, !tbaa !9
  br label %16, !llvm.loop !13

71:                                               ; preds = %16
  %72 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %73 = load i32, ptr %72, align 4, !tbaa !9
  %74 = lshr i32 %73, 9
  %75 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %76 = load i32, ptr %75, align 4, !tbaa !9
  %77 = shl i32 %76, 23
  %78 = or i32 %74, %77
  %79 = or i32 %78, 1689005553
  %80 = load ptr, ptr %4, align 8, !tbaa !5
  %81 = getelementptr inbounds i32, ptr %80, i64 0
  store i32 %79, ptr %81, 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.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}
!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 = add i32 %3, 914778474
  %5 = xor i32 %4, -832765941
  %6 = tail call i32 @llvm.fshl.i32(i32 %5, i32 %5, i32 23)
  %7 = or i32 %6, 1689005553
  store i32 %7, ptr %1, align 4, !tbaa !5
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.fshl.i32(i32, i32, i32) #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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


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