; 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 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 2, ptr %8) #2
  %9 = load ptr, ptr %3, align 8, !tbaa !5
  %10 = getelementptr inbounds i32, ptr %9, i64 0
  %11 = load i32, ptr %10, align 4, !tbaa !9
  %12 = zext i32 %11 to i64
  %13 = add i64 %12, 914778474
  %14 = mul i64 %13, 2674260758
  %15 = trunc i64 %14 to i32
  %16 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  store i32 %15, ptr %16, align 4, !tbaa !9
  store i32 0, ptr %7, align 4, !tbaa !9
  br label %17

17:                                               ; preds = %73, %2
  %18 = load i32, ptr %7, align 4, !tbaa !9
  %19 = zext i32 %18 to i64
  %20 = icmp ult i64 %19, 1
  br i1 %20, label %21, label %76

21:                                               ; preds = %17
  store i32 0, ptr %6, align 4, !tbaa !9
  br label %22

22:                                               ; preds = %70, %21
  %23 = load i32, ptr %6, align 4, !tbaa !9
  %24 = zext i32 %23 to i64
  %25 = icmp ult i64 %24, 1
  br i1 %25, label %26, label %73

26:                                               ; preds = %22
  %27 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %28 = load i32, ptr %27, align 4, !tbaa !9
  %29 = load i32, ptr %6, align 4, !tbaa !9
  %30 = load i32, ptr %7, align 4, !tbaa !9
  %31 = add i32 %29, %30
  %32 = icmp ult i32 %28, %31
  br i1 %32, label %33, label %42

33:                                               ; preds = %26
  %34 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %35 = load i32, ptr %34, align 4, !tbaa !9
  %36 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %37 = load i32, ptr %36, align 4, !tbaa !9
  %38 = add i32 %35, %37
  %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
  store i32 %38, ptr %41, align 4, !tbaa !9
  br label %70

42:                                               ; preds = %26
  %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 i16, ptr %45, i64 1
  %47 = load i16, ptr %46, align 2, !tbaa !11
  store i16 %47, ptr %8, align 2, !tbaa !11
  %48 = load i32, ptr %6, align 4, !tbaa !9
  %49 = zext i32 %48 to i64
  %50 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %49
  %51 = getelementptr inbounds i16, ptr %50, i64 0
  %52 = load i16, ptr %51, align 2, !tbaa !11
  %53 = load i32, ptr %6, align 4, !tbaa !9
  %54 = zext i32 %53 to i64
  %55 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %54
  %56 = getelementptr inbounds i16, ptr %55, i64 1
  store i16 %52, ptr %56, align 2, !tbaa !11
  %57 = load i16, ptr %8, align 2, !tbaa !11
  %58 = load i32, ptr %6, align 4, !tbaa !9
  %59 = zext i32 %58 to i64
  %60 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %59
  %61 = getelementptr inbounds i16, ptr %60, i64 0
  store i16 %57, ptr %61, align 2, !tbaa !11
  %62 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %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 = load i32, ptr %6, align 4, !tbaa !9
  %68 = zext i32 %67 to i64
  %69 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %68
  store i32 %66, ptr %69, align 4, !tbaa !9
  br label %70

70:                                               ; preds = %42, %33
  %71 = load i32, ptr %6, align 4, !tbaa !9
  %72 = add i32 %71, 1
  store i32 %72, ptr %6, align 4, !tbaa !9
  br label %22, !llvm.loop !13

73:                                               ; preds = %22
  %74 = load i32, ptr %7, align 4, !tbaa !9
  %75 = add i32 %74, 1
  store i32 %75, ptr %7, align 4, !tbaa !9
  br label %17, !llvm.loop !15

76:                                               ; preds = %17
  %77 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %78 = load i32, ptr %77, align 4, !tbaa !9
  %79 = zext i32 %78 to i64
  %80 = add i64 %79, 674032645
  %81 = trunc i64 %80 to i32
  %82 = load ptr, ptr %4, align 8, !tbaa !5
  %83 = getelementptr inbounds i32, ptr %82, i64 0
  store i32 %81, ptr %83, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 2, 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 = !{!12, !12, i64 0}
!12 = !{!"short", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}


; 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 = mul i32 %2, -1620706538
  %4 = add i32 %3, -440795876
  %.sroa.0.0.insert.insert = tail call i32 @llvm.fshl.i32(i32 %4, i32 %4, i32 16)
  %5 = shl i32 %.sroa.0.0.insert.insert, 1
  %6 = add i32 %5, 674032645
  store i32 %6, 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: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass