; 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 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 = and i64 %11, 914778474
  %13 = shl i64 %12, 7
  %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 = %61, %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 %64

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 = load i16, ptr %6, align 2, !tbaa !9
  %25 = zext i16 %24 to i32
  %26 = icmp sgt i32 %23, %25
  br i1 %26, label %27, label %47

27:                                               ; preds = %20
  %28 = load i16, ptr %6, align 2, !tbaa !9
  %29 = zext i16 %28 to i64
  %30 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 %29
  %31 = getelementptr inbounds i8, ptr %30, i64 1
  %32 = load i8, ptr %31, align 1, !tbaa !11
  store i8 %32, ptr %7, align 1, !tbaa !11
  %33 = load i16, ptr %6, align 2, !tbaa !9
  %34 = zext i16 %33 to i64
  %35 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 %34
  %36 = getelementptr inbounds i8, ptr %35, i64 0
  %37 = load i8, ptr %36, align 1, !tbaa !11
  %38 = load i16, ptr %6, align 2, !tbaa !9
  %39 = zext i16 %38 to i64
  %40 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 %39
  %41 = getelementptr inbounds i8, ptr %40, i64 1
  store i8 %37, ptr %41, align 1, !tbaa !11
  %42 = load i8, ptr %7, align 1, !tbaa !11
  %43 = load i16, ptr %6, align 2, !tbaa !9
  %44 = zext i16 %43 to i64
  %45 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 %44
  %46 = getelementptr inbounds i8, ptr %45, i64 0
  store i8 %42, ptr %46, align 1, !tbaa !11
  br label %61

47:                                               ; preds = %20
  %48 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %49 = load i16, ptr %48, align 2, !tbaa !9
  %50 = zext i16 %49 to i32
  %51 = ashr i32 %50, 4
  %52 = and i32 %51, 7
  %53 = sext i32 %52 to i64
  %54 = or i64 %53, 1
  %55 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %56 = load i16, ptr %55, align 2, !tbaa !9
  %57 = zext i16 %56 to i32
  %58 = trunc i64 %54 to i32
  %59 = ashr i32 %57, %58
  %60 = trunc i32 %59 to i16
  store i16 %60, ptr %55, align 2, !tbaa !9
  br label %61

61:                                               ; preds = %47, %27
  %62 = load i16, ptr %6, align 2, !tbaa !9
  %63 = add i16 %62, 1
  store i16 %63, ptr %6, align 2, !tbaa !9
  br label %16, !llvm.loop !12

64:                                               ; preds = %16
  %65 = getelementptr inbounds [1 x i16], ptr %5, i64 0, i64 0
  %66 = load i16, ptr %65, align 2, !tbaa !9
  %67 = zext i16 %66 to i32
  %68 = shl i32 %67, 1
  %69 = trunc i32 %68 to i16
  %70 = load ptr, ptr %4, align 8, !tbaa !5
  %71 = getelementptr inbounds i16, ptr %70, i64 0
  store i16 %69, ptr %71, 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.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 = !{!"short", !7, i64 0}
!11 = !{!7, !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"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 i16, ptr %0, align 2, !tbaa !5
  %.sroa.8.0.extract.trunc = and i16 %3, 362
  store i16 %.sroa.8.0.extract.trunc, 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: BDCEPass,CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LCSSAPass,LoopRotatePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass