; 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 i32], align 4
  %6 = alloca i32, align 4
  %7 = alloca i8, align 1
  %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 1, 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 = xor i64 %13, 3462201355
  %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 %6, align 4, !tbaa !9
  br label %17

17:                                               ; preds = %76, %2
  %18 = load i32, ptr %6, align 4, !tbaa !9
  %19 = load ptr, ptr %3, align 8, !tbaa !5
  %20 = getelementptr inbounds i32, ptr %19, i64 1
  %21 = load i32, ptr %20, align 4, !tbaa !9
  %22 = icmp ult i32 %18, %21
  br i1 %22, label %23, label %79

23:                                               ; preds = %17
  %24 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %25 = load i32, ptr %24, align 4, !tbaa !9
  %26 = load i32, ptr %6, align 4, !tbaa !9
  %27 = icmp ugt i32 %25, %26
  br i1 %27, label %28, label %59

28:                                               ; preds = %23
  %29 = load i32, ptr %6, align 4, !tbaa !9
  %30 = zext i32 %29 to i64
  %31 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %30
  %32 = getelementptr inbounds i8, ptr %31, i64 0
  %33 = load i8, ptr %32, align 1, !tbaa !11
  store i8 %33, ptr %7, align 1, !tbaa !11
  %34 = load i32, ptr %6, align 4, !tbaa !9
  %35 = zext i32 %34 to i64
  %36 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %35
  %37 = getelementptr inbounds i8, ptr %36, i64 1
  %38 = load i8, ptr %37, align 1, !tbaa !11
  %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
  %42 = getelementptr inbounds i8, ptr %41, i64 0
  store i8 %38, ptr %42, align 1, !tbaa !11
  %43 = load i8, ptr %7, align 1, !tbaa !11
  %44 = load i32, ptr %6, align 4, !tbaa !9
  %45 = zext i32 %44 to i64
  %46 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %45
  %47 = getelementptr inbounds i8, ptr %46, i64 1
  store i8 %43, ptr %47, align 1, !tbaa !11
  %48 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %49 = getelementptr inbounds i16, ptr %48, i64 1
  %50 = load i16, ptr %49, align 2, !tbaa !12
  store i16 %50, ptr %8, align 2, !tbaa !12
  %51 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %52 = getelementptr inbounds i16, ptr %51, i64 0
  %53 = load i16, ptr %52, align 2, !tbaa !12
  %54 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %55 = getelementptr inbounds i16, ptr %54, i64 1
  store i16 %53, ptr %55, align 2, !tbaa !12
  %56 = load i16, ptr %8, align 2, !tbaa !12
  %57 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %58 = getelementptr inbounds i16, ptr %57, i64 0
  store i16 %56, ptr %58, align 2, !tbaa !12
  br label %76

59:                                               ; preds = %23
  %60 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %61 = load i32, ptr %60, align 4, !tbaa !9
  %62 = and i32 %61, 31
  %63 = shl i32 %62, 4
  %64 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %65 = load i32, ptr %64, align 4, !tbaa !9
  %66 = or i32 %65, %63
  store i32 %66, ptr %64, align 4, !tbaa !9
  %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
  %70 = load i32, ptr %69, align 4, !tbaa !9
  %71 = load i32, ptr %6, align 4, !tbaa !9
  %72 = zext i32 %71 to i64
  %73 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %72
  %74 = load i32, ptr %73, align 4, !tbaa !9
  %75 = mul i32 %74, %70
  store i32 %75, ptr %73, align 4, !tbaa !9
  br label %76

76:                                               ; preds = %59, %28
  %77 = load i32, ptr %6, align 4, !tbaa !9
  %78 = add i32 %77, 1
  store i32 %78, ptr %6, align 4, !tbaa !9
  br label %17, !llvm.loop !14

79:                                               ; preds = %17
  %80 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %81 = load i32, ptr %80, align 4, !tbaa !9
  %82 = shl i32 %81, 5
  %83 = load ptr, ptr %4, align 8, !tbaa !5
  %84 = getelementptr inbounds i32, ptr %83, i64 0
  store i32 %82, ptr %84, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 2, ptr %8) #2
  call void @llvm.lifetime.end.p0(i64 1, 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.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 = !{!"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"}


; 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: nofree norecurse nosync nounwind memory(argmem: readwrite) uwtable
define dso_local void @RandomFunc(ptr nocapture noundef readonly %0, ptr nocapture noundef writeonly %1) local_unnamed_addr #0 {
  %3 = alloca [1 x i32], align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #2
  %4 = load i32, ptr %0, align 4, !tbaa !5
  %5 = add i32 %4, 914778474
  %6 = xor i32 %5, -832765941
  store i32 %6, ptr %3, align 4, !tbaa !5
  %7 = getelementptr inbounds i8, ptr %0, i64 4
  %8 = load i32, ptr %7, align 4, !tbaa !5
  %invariant.gep = getelementptr inbounds i8, ptr %3, i64 1
  %.not = icmp eq i32 %8, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %2
  %9 = getelementptr inbounds i8, ptr %3, i64 2
  %wide.trip.count = zext i32 %8 to i64
  br label %10

10:                                               ; preds = %.lr.ph, %25
  %indvars.iv = phi i64 [ 0, %.lr.ph ], [ %indvars.iv.next, %25 ]
  %11 = load i32, ptr %3, align 4
  %12 = zext i32 %11 to i64
  %13 = icmp ult i64 %indvars.iv, %12
  br i1 %13, label %14, label %20

14:                                               ; preds = %10
  %15 = lshr i32 %11, 16
  %16 = trunc nuw i32 %15 to i16
  %17 = trunc i32 %11 to i8
  %gep = getelementptr inbounds [1 x i32], ptr %invariant.gep, i64 0, i64 %indvars.iv
  %18 = load i8, ptr %gep, align 1, !tbaa !9
  store i8 %18, ptr %3, align 4, !tbaa !9
  store i8 %17, ptr %gep, align 1, !tbaa !9
  %19 = load i16, ptr %3, align 4, !tbaa !10
  store i16 %19, ptr %9, align 2, !tbaa !10
  store i16 %16, ptr %3, align 4, !tbaa !10
  br label %25

20:                                               ; preds = %10
  %21 = shl i32 %11, 4
  %22 = and i32 %21, 496
  %23 = or i32 %22, %11
  %24 = mul i32 %23, %23
  store i32 %24, ptr %3, align 4, !tbaa !5
  br label %25

25:                                               ; preds = %20, %14
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge.loopexit, label %10, !llvm.loop !12

._crit_edge.loopexit:                             ; preds = %25
  %.pre = load i32, ptr %3, align 4, !tbaa !5
  br label %._crit_edge

._crit_edge:                                      ; preds = %._crit_edge.loopexit, %2
  %26 = phi i32 [ %.pre, %._crit_edge.loopexit ], [ %6, %2 ]
  %27 = shl i32 %26, 5
  store i32 %27, ptr %1, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #2
  ret void
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

attributes #0 = { nofree norecurse nosync nounwind 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 = { mustprogress 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!7, !7, i64 0}
!10 = !{!11, !11, i64 0}
!11 = !{!"short", !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,LICMPass,LoopRotatePass,LoopSimplifyPass,PostOrderFunctionAttrsPass,ReassociatePass,SCCPPass,SROAPass,SimplifyCFGPass