; 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 i16], align 2
  %6 = alloca i16, align 2
  %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 2, ptr %5) #2
  call void @llvm.lifetime.start.p0(i64 2, 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 i16, ptr %8, i64 0
  %10 = load i16, ptr %9, align 2, !tbaa !9
  %11 = zext i16 %10 to i64
  %12 = or i64 %11, 51238316
  %13 = lshr i64 %12, 3
  %14 = trunc i64 %13 to i16
  %15 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  store i16 %14, ptr %15, align 2, !tbaa !9
  store i16 0, ptr %6, align 2, !tbaa !9
  br label %16

16:                                               ; preds = %20, %2
  %17 = load i16, ptr %6, align 2, !tbaa !9
  %18 = zext i16 %17 to i64
  %19 = icmp ult i64 %18, 1
  br i1 %19, label %20, label %38

20:                                               ; preds = %16
  %21 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %22 = load i16, ptr %21, align 2, !tbaa !9
  %23 = zext i16 %22 to i32
  %24 = ashr i32 %23, 3
  %25 = and i32 %24, 7
  %26 = sext i32 %25 to i64
  %27 = or i64 %26, 1
  %28 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %29 = load i16, ptr %28, align 2, !tbaa !9
  %30 = zext i16 %29 to i32
  %31 = trunc i64 %27 to i32
  %32 = shl i32 %30, %31
  %33 = trunc i32 %32 to i16
  store i16 %33, ptr %28, align 2, !tbaa !9
  %34 = load i16, ptr %6, align 2, !tbaa !9
  %35 = zext i16 %34 to i64
  %36 = add i64 %35, 2
  %37 = trunc i64 %36 to i16
  store i16 %37, ptr %6, align 2, !tbaa !9
  br label %16, !llvm.loop !11

38:                                               ; preds = %16
  store i16 0, ptr %6, align 2, !tbaa !9
  br label %39

39:                                               ; preds = %43, %38
  %40 = load i16, ptr %6, align 2, !tbaa !9
  %41 = zext i16 %40 to i64
  %42 = icmp ult i64 %41, 1
  br i1 %42, label %43, label %65

43:                                               ; preds = %39
  %44 = load i16, ptr %6, align 2, !tbaa !9
  %45 = zext i16 %44 to i64
  %46 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 %45
  %47 = getelementptr inbounds i8, ptr %46, i64 0
  %48 = load i8, ptr %47, align 1, !tbaa !13
  store i8 %48, ptr %7, align 1, !tbaa !13
  %49 = load i16, ptr %6, align 2, !tbaa !9
  %50 = zext i16 %49 to i64
  %51 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 %50
  %52 = getelementptr inbounds i8, ptr %51, i64 1
  %53 = load i8, ptr %52, align 1, !tbaa !13
  %54 = load i16, ptr %6, align 2, !tbaa !9
  %55 = zext i16 %54 to i64
  %56 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 %55
  %57 = getelementptr inbounds i8, ptr %56, i64 0
  store i8 %53, ptr %57, align 1, !tbaa !13
  %58 = load i8, ptr %7, align 1, !tbaa !13
  %59 = load i16, ptr %6, align 2, !tbaa !9
  %60 = zext i16 %59 to i64
  %61 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 %60
  %62 = getelementptr inbounds i8, ptr %61, i64 1
  store i8 %58, ptr %62, align 1, !tbaa !13
  %63 = load i16, ptr %6, align 2, !tbaa !9
  %64 = add i16 %63, 1
  store i16 %64, ptr %6, align 2, !tbaa !9
  br label %39, !llvm.loop !14

65:                                               ; preds = %39
  %66 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %67 = load i16, ptr %66, align 2, !tbaa !9
  %68 = zext i16 %67 to i64
  %69 = or i64 %68, 315155497
  %70 = trunc i64 %69 to i16
  %71 = load ptr, ptr %4, align 8, !tbaa !5
  %72 = getelementptr inbounds i16, ptr %71, i64 0
  store i16 %70, ptr %72, align 2, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #2
  call void @llvm.lifetime.end.p0(i64 2, ptr %6) #2
  call void @llvm.lifetime.end.p0(i64 2, 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 = !{!"short", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!7, !7, i64 0}
!14 = distinct !{!14, !12}


; 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 i16, ptr %0, align 2, !tbaa !5
  %3 = lshr i16 %2, 4
  %.sroa.8.0.extract.trunc = and i16 %3, 132
  %4 = or disjoint i16 %.sroa.8.0.extract.trunc, -7045
  store i16 %4, ptr %1, align 2, !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 = !{!"short", !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