; 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
  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
  %7 = load ptr, ptr %3, align 8, !tbaa !5
  %8 = getelementptr inbounds i32, ptr %7, i64 0
  %9 = load i32, ptr %8, align 4, !tbaa !9
  %10 = add i32 %9, 1373777115
  %11 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  store i32 %10, ptr %11, align 4, !tbaa !9
  store i32 0, ptr %6, align 4, !tbaa !9
  br label %12

12:                                               ; preds = %70, %2
  %13 = load i32, ptr %6, align 4, !tbaa !9
  %14 = load ptr, ptr %3, align 8, !tbaa !5
  %15 = getelementptr inbounds i32, ptr %14, i64 1
  %16 = load i32, ptr %15, align 4, !tbaa !9
  %17 = icmp ult i32 %13, %16
  br i1 %17, label %18, label %73

18:                                               ; preds = %12
  %19 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %20 = load i32, ptr %19, align 4, !tbaa !9
  %21 = load i32, ptr %6, align 4, !tbaa !9
  %22 = icmp eq i32 %20, %21
  br i1 %22, label %23, label %55

23:                                               ; preds = %18
  %24 = load i32, ptr %6, align 4, !tbaa !9
  %25 = zext i32 %24 to i64
  %26 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %25
  %27 = load i32, ptr %26, align 4, !tbaa !9
  %28 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %29 = load i32, ptr %28, align 4, !tbaa !9
  %30 = lshr i32 %29, 1
  %31 = and i32 %30, 15
  %32 = zext i32 %31 to i64
  %33 = or i64 %32, 1
  %34 = trunc i64 %33 to i32
  %35 = shl i32 %27, %34
  %36 = load i32, ptr %6, align 4, !tbaa !9
  %37 = zext i32 %36 to i64
  %38 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %37
  %39 = load i32, ptr %38, align 4, !tbaa !9
  %40 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %41 = load i32, ptr %40, align 4, !tbaa !9
  %42 = lshr i32 %41, 1
  %43 = and i32 %42, 15
  %44 = zext i32 %43 to i64
  %45 = or i64 %44, 1
  %46 = sub i64 32, %45
  %47 = trunc i64 %46 to i32
  %48 = lshr i32 %39, %47
  %49 = or i32 %35, %48
  %50 = and i32 %49, 31
  %51 = shl i32 %50, 4
  %52 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %53 = load i32, ptr %52, align 4, !tbaa !9
  %54 = or i32 %53, %51
  store i32 %54, ptr %52, align 4, !tbaa !9
  br label %70

55:                                               ; preds = %18
  %56 = load i32, ptr %6, align 4, !tbaa !9
  %57 = zext i32 %56 to i64
  %58 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %57
  %59 = load i32, ptr %58, align 4, !tbaa !9
  %60 = lshr i32 %59, 3
  %61 = and i32 %60, 7
  %62 = zext i32 %61 to i64
  %63 = or i64 %62, 1
  %64 = load i32, ptr %6, align 4, !tbaa !9
  %65 = zext i32 %64 to i64
  %66 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %65
  %67 = load i32, ptr %66, align 4, !tbaa !9
  %68 = trunc i64 %63 to i32
  %69 = shl i32 %67, %68
  store i32 %69, ptr %66, align 4, !tbaa !9
  br label %70

70:                                               ; preds = %55, %23
  %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 %12, !llvm.loop !11

73:                                               ; preds = %12
  %74 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %75 = load i32, ptr %74, align 4, !tbaa !9
  %76 = zext i32 %75 to i64
  %77 = or i64 %76, 1039116836
  %78 = add i64 %77, 981331187
  %79 = trunc i64 %78 to i32
  %80 = load ptr, ptr %4, align 8, !tbaa !5
  %81 = getelementptr inbounds i32, ptr %80, i64 0
  store i32 %79, ptr %81, align 4, !tbaa !9
  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 = distinct !{!11, !12}
!12 = !{!"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 = load i32, ptr %0, align 4, !tbaa !5
  %4 = add i32 %3, 1373777115
  %5 = getelementptr inbounds i8, ptr %0, i64 4
  %6 = load i32, ptr %5, align 4, !tbaa !5
  %.not = icmp eq i32 %6, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %2, %21
  %.014 = phi i32 [ %22, %21 ], [ 0, %2 ]
  %.sroa.0.013 = phi i32 [ %storemerge, %21 ], [ %4, %2 ]
  %7 = icmp eq i32 %.sroa.0.013, %.014
  br i1 %7, label %8, label %16

8:                                                ; preds = %.lr.ph
  %9 = lshr i32 %.014, 1
  %10 = and i32 %9, 14
  %11 = or disjoint i32 %10, 1
  %12 = tail call i32 @llvm.fshl.i32(i32 %.014, i32 %.014, i32 %11)
  %13 = shl i32 %12, 4
  %14 = and i32 %13, 496
  %15 = or i32 %14, %.014
  br label %21

16:                                               ; preds = %.lr.ph
  %17 = lshr i32 %.sroa.0.013, 3
  %18 = and i32 %17, 6
  %19 = or disjoint i32 %18, 1
  %20 = shl i32 %.sroa.0.013, %19
  br label %21

21:                                               ; preds = %16, %8
  %storemerge = phi i32 [ %20, %16 ], [ %15, %8 ]
  %22 = add nuw i32 %.014, 1
  %exitcond.not = icmp eq i32 %22, %6
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !9

._crit_edge:                                      ; preds = %21, %2
  %.sroa.0.0.lcssa = phi i32 [ %4, %2 ], [ %storemerge, %21 ]
  %23 = or i32 %.sroa.0.0.lcssa, 1039116836
  %24 = add i32 %23, 981331187
  store i32 %24, 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 = { 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 = { 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"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass