; 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 i64], align 8
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  %8 = alloca i16, align 2
  %9 = alloca i32, align 4
  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 8, ptr %5) #2
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #2
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #2
  call void @llvm.lifetime.start.p0(i64 2, ptr %8) #2
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #2
  %10 = load ptr, ptr %3, align 8, !tbaa !5
  %11 = getelementptr inbounds i64, ptr %10, i64 0
  %12 = load i64, ptr %11, align 8, !tbaa !9
  %13 = add i64 %12, 914778474
  %14 = xor i64 %13, -832765941
  %15 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  store i64 %14, ptr %15, align 8, !tbaa !9
  store i64 0, ptr %7, align 8, !tbaa !9
  br label %16

16:                                               ; preds = %52, %2
  %17 = load i64, ptr %7, align 8, !tbaa !9
  %18 = icmp ult i64 %17, 1
  br i1 %18, label %19, label %55

19:                                               ; preds = %16
  store i64 0, ptr %6, align 8, !tbaa !9
  br label %20

20:                                               ; preds = %23, %19
  %21 = load i64, ptr %6, align 8, !tbaa !9
  %22 = icmp ult i64 %21, 1
  br i1 %22, label %23, label %52

23:                                               ; preds = %20
  %24 = load i64, ptr %6, align 8, !tbaa !9
  %25 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %24
  %26 = getelementptr inbounds i16, ptr %25, i64 0
  %27 = load i16, ptr %26, align 2, !tbaa !11
  store i16 %27, ptr %8, align 2, !tbaa !11
  %28 = load i64, ptr %6, align 8, !tbaa !9
  %29 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %28
  %30 = getelementptr inbounds i16, ptr %29, i64 1
  %31 = load i16, ptr %30, align 2, !tbaa !11
  %32 = load i64, ptr %6, align 8, !tbaa !9
  %33 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %32
  %34 = getelementptr inbounds i16, ptr %33, i64 0
  store i16 %31, ptr %34, align 2, !tbaa !11
  %35 = load i16, ptr %8, align 2, !tbaa !11
  %36 = load i64, ptr %6, align 8, !tbaa !9
  %37 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 %36
  %38 = getelementptr inbounds i16, ptr %37, i64 1
  store i16 %35, ptr %38, align 2, !tbaa !11
  %39 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %40 = getelementptr inbounds i32, ptr %39, i64 1
  %41 = load i32, ptr %40, align 4, !tbaa !13
  store i32 %41, ptr %9, align 4, !tbaa !13
  %42 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %43 = getelementptr inbounds i32, ptr %42, i64 0
  %44 = load i32, ptr %43, align 4, !tbaa !13
  %45 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %46 = getelementptr inbounds i32, ptr %45, i64 1
  store i32 %44, ptr %46, align 4, !tbaa !13
  %47 = load i32, ptr %9, align 4, !tbaa !13
  %48 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %49 = getelementptr inbounds i32, ptr %48, i64 0
  store i32 %47, ptr %49, align 4, !tbaa !13
  %50 = load i64, ptr %6, align 8, !tbaa !9
  %51 = add i64 %50, 2
  store i64 %51, ptr %6, align 8, !tbaa !9
  br label %20, !llvm.loop !15

52:                                               ; preds = %20
  %53 = load i64, ptr %7, align 8, !tbaa !9
  %54 = add i64 %53, 1
  store i64 %54, ptr %7, align 8, !tbaa !9
  br label %16, !llvm.loop !17

55:                                               ; preds = %16
  %56 = getelementptr inbounds [1 x i64], ptr %5, i64 0, i64 0
  %57 = load i64, ptr %56, align 8, !tbaa !9
  %58 = mul i64 %57, 238420169
  %59 = or i64 %58, 7962364141192960077
  %60 = load ptr, ptr %4, align 8, !tbaa !5
  %61 = getelementptr inbounds i64, ptr %60, i64 0
  store i64 %59, ptr %61, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #2
  call void @llvm.lifetime.end.p0(i64 2, ptr %8) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #2
  call void @llvm.lifetime.end.p0(i64 8, 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 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"short", !7, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"int", !7, i64 0}
!15 = distinct !{!15, !16}
!16 = !{!"llvm.loop.mustprogress"}
!17 = distinct !{!17, !16}


; 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 i64, ptr %0, align 8, !tbaa !5
  %3 = add i64 %2, 914778474
  %4 = xor i64 %3, -832765941
  %.sroa.0.sroa.0.0.extract.trunc17 = trunc i64 %4 to i32
  %.sroa.0.sroa.0.0.insert.insert = tail call i32 @llvm.fshl.i32(i32 %.sroa.0.sroa.0.0.extract.trunc17, i32 %.sroa.0.sroa.0.0.extract.trunc17, i32 16)
  %.sroa.10.0.insert.ext = zext i32 %.sroa.0.sroa.0.0.insert.insert to i64
  %.sroa.0.0.insert.insert = tail call i64 @llvm.fshl.i64(i64 %.sroa.10.0.insert.ext, i64 %4, i64 32)
  %5 = mul i64 %.sroa.0.0.insert.insert, 238420169
  %6 = or i64 %5, 7962364141192960077
  store i64 %6, ptr %1, align 8, !tbaa !5
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.fshl.i32(i32, i32, i32) #1

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


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