; 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 i32], align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i8, align 1
  %9 = 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 4, ptr %7) #2
  call void @llvm.lifetime.start.p0(i64 1, ptr %8) #2
  call void @llvm.lifetime.start.p0(i64 2, ptr %9) #2
  %10 = load ptr, ptr %3, align 8, !tbaa !5
  %11 = getelementptr inbounds i32, ptr %10, i64 0
  %12 = load i32, ptr %11, align 4, !tbaa !9
  %13 = zext i32 %12 to i64
  %14 = add i64 %13, 914778474
  %15 = xor i64 %14, 3462201355
  %16 = trunc i64 %15 to i32
  %17 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  store i32 %16, ptr %17, align 4, !tbaa !9
  store i32 0, ptr %7, align 4, !tbaa !9
  br label %18

18:                                               ; preds = %62, %2
  %19 = load i32, ptr %7, align 4, !tbaa !9
  %20 = zext i32 %19 to i64
  %21 = icmp ult i64 %20, 1
  br i1 %21, label %22, label %65

22:                                               ; preds = %18
  store i32 0, ptr %6, align 4, !tbaa !9
  br label %23

23:                                               ; preds = %27, %22
  %24 = load i32, ptr %6, align 4, !tbaa !9
  %25 = zext i32 %24 to i64
  %26 = icmp ult i64 %25, 1
  br i1 %26, label %27, label %62

27:                                               ; preds = %23
  %28 = load i32, ptr %6, align 4, !tbaa !9
  %29 = zext i32 %28 to i64
  %30 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %29
  %31 = getelementptr inbounds i8, ptr %30, i64 0
  %32 = load i8, ptr %31, align 1, !tbaa !11
  store i8 %32, ptr %8, align 1, !tbaa !11
  %33 = load i32, ptr %6, align 4, !tbaa !9
  %34 = zext i32 %33 to i64
  %35 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %34
  %36 = getelementptr inbounds i8, ptr %35, i64 1
  %37 = load i8, ptr %36, align 1, !tbaa !11
  %38 = load i32, ptr %6, align 4, !tbaa !9
  %39 = zext i32 %38 to i64
  %40 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %39
  %41 = getelementptr inbounds i8, ptr %40, i64 0
  store i8 %37, ptr %41, align 1, !tbaa !11
  %42 = load i8, ptr %8, align 1, !tbaa !11
  %43 = load i32, ptr %6, align 4, !tbaa !9
  %44 = zext i32 %43 to i64
  %45 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %44
  %46 = getelementptr inbounds i8, ptr %45, i64 1
  store i8 %42, ptr %46, align 1, !tbaa !11
  %47 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %48 = getelementptr inbounds i16, ptr %47, i64 1
  %49 = load i16, ptr %48, align 2, !tbaa !12
  store i16 %49, ptr %9, align 2, !tbaa !12
  %50 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %51 = getelementptr inbounds i16, ptr %50, i64 0
  %52 = load i16, ptr %51, align 2, !tbaa !12
  %53 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %54 = getelementptr inbounds i16, ptr %53, i64 1
  store i16 %52, ptr %54, align 2, !tbaa !12
  %55 = load i16, ptr %9, align 2, !tbaa !12
  %56 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %57 = getelementptr inbounds i16, ptr %56, i64 0
  store i16 %55, ptr %57, align 2, !tbaa !12
  %58 = load i32, ptr %6, align 4, !tbaa !9
  %59 = zext i32 %58 to i64
  %60 = add i64 %59, 2
  %61 = trunc i64 %60 to i32
  store i32 %61, ptr %6, align 4, !tbaa !9
  br label %23, !llvm.loop !14

62:                                               ; preds = %23
  %63 = load i32, ptr %7, align 4, !tbaa !9
  %64 = add i32 %63, 1
  store i32 %64, ptr %7, align 4, !tbaa !9
  br label %18, !llvm.loop !16

65:                                               ; preds = %18
  %66 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %67 = load i32, ptr %66, align 4, !tbaa !9
  %68 = zext i32 %67 to i64
  %69 = mul i64 %68, 238420169
  %70 = or i64 %69, 1855805517
  %71 = trunc i64 %70 to i32
  %72 = load ptr, ptr %4, align 8, !tbaa !5
  %73 = getelementptr inbounds i32, ptr %72, i64 0
  store i32 %71, ptr %73, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 2, ptr %9) #2
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #2
  call void @llvm.lifetime.end.p0(i64 4, 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.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 = !{!"int", !7, i64 0}
!11 = !{!7, !7, i64 0}
!12 = !{!13, !13, i64 0}
!13 = !{!"short", !7, i64 0}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}
!16 = distinct !{!16, !15}


; 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 i32, ptr %0, align 4, !tbaa !5
  %3 = add i32 %2, 914778474
  %4 = xor i32 %3, -832765941
  %.sroa.0.sroa.0.0.extract.trunc18 = trunc i32 %4 to i16
  %5 = trunc i32 %3 to i16
  %.sroa.0.sroa.0.0.insert.insert = tail call i16 @llvm.fshl.i16(i16 %.sroa.0.sroa.0.0.extract.trunc18, i16 %5, i16 8)
  %.sroa.10.0.insert.ext = zext i16 %.sroa.0.sroa.0.0.insert.insert to i32
  %.sroa.0.0.insert.insert = tail call i32 @llvm.fshl.i32(i32 %.sroa.10.0.insert.ext, i32 %4, i32 16)
  %6 = mul i32 %.sroa.0.0.insert.insert, 238420169
  %7 = or i32 %6, 1855805517
  store i32 %7, ptr %1, align 4, !tbaa !5
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i16 @llvm.fshl.i16(i16, i16, i16) #1

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