; 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 = %68, %2
  %13 = load i32, ptr %6, align 4, !tbaa !9
  %14 = zext i32 %13 to i64
  %15 = icmp ult i64 %14, 1
  br i1 %15, label %16, label %71

16:                                               ; preds = %12
  %17 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %18 = load i32, ptr %17, align 4, !tbaa !9
  %19 = load i32, ptr %6, align 4, !tbaa !9
  %20 = icmp eq i32 %18, %19
  br i1 %20, label %21, label %53

21:                                               ; preds = %16
  %22 = load i32, ptr %6, align 4, !tbaa !9
  %23 = zext i32 %22 to i64
  %24 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %23
  %25 = load i32, ptr %24, align 4, !tbaa !9
  %26 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %27 = load i32, ptr %26, align 4, !tbaa !9
  %28 = lshr i32 %27, 1
  %29 = and i32 %28, 15
  %30 = zext i32 %29 to i64
  %31 = or i64 %30, 1
  %32 = trunc i64 %31 to i32
  %33 = shl i32 %25, %32
  %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 = load i32, ptr %36, align 4, !tbaa !9
  %38 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %39 = load i32, ptr %38, align 4, !tbaa !9
  %40 = lshr i32 %39, 1
  %41 = and i32 %40, 15
  %42 = zext i32 %41 to i64
  %43 = or i64 %42, 1
  %44 = sub i64 32, %43
  %45 = trunc i64 %44 to i32
  %46 = lshr i32 %37, %45
  %47 = or i32 %33, %46
  %48 = and i32 %47, 31
  %49 = shl i32 %48, 4
  %50 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %51 = load i32, ptr %50, align 4, !tbaa !9
  %52 = or i32 %51, %49
  store i32 %52, ptr %50, align 4, !tbaa !9
  br label %68

53:                                               ; preds = %16
  %54 = load i32, ptr %6, align 4, !tbaa !9
  %55 = zext i32 %54 to i64
  %56 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %55
  %57 = load i32, ptr %56, align 4, !tbaa !9
  %58 = lshr i32 %57, 3
  %59 = and i32 %58, 7
  %60 = zext i32 %59 to i64
  %61 = or i64 %60, 1
  %62 = load i32, ptr %6, align 4, !tbaa !9
  %63 = zext i32 %62 to i64
  %64 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %63
  %65 = load i32, ptr %64, align 4, !tbaa !9
  %66 = trunc i64 %61 to i32
  %67 = shl i32 %65, %66
  store i32 %67, ptr %64, align 4, !tbaa !9
  br label %68

68:                                               ; preds = %53, %21
  %69 = load i32, ptr %6, align 4, !tbaa !9
  %70 = add i32 %69, 1
  store i32 %70, ptr %6, align 4, !tbaa !9
  br label %12, !llvm.loop !11

71:                                               ; preds = %12
  %72 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %73 = load i32, ptr %72, align 4, !tbaa !9
  %74 = zext i32 %73 to i64
  %75 = or i64 %74, 1039116836
  %76 = add i64 %75, 981331187
  %77 = trunc i64 %76 to i32
  %78 = load ptr, ptr %4, align 8, !tbaa !5
  %79 = getelementptr inbounds i32, ptr %78, i64 0
  store i32 %77, ptr %79, 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: 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 {
  %3 = load i32, ptr %0, align 4, !tbaa !5
  %4 = add i32 %3, 1373777115
  %5 = icmp eq i32 %4, 0
  br i1 %5, label %13, label %6

6:                                                ; preds = %2
  %7 = lshr i32 %4, 3
  %8 = and i32 %7, 6
  %9 = or disjoint i32 %8, 1
  %10 = shl i32 %4, %9
  %11 = or i32 %10, 1039116836
  %12 = add i32 %11, 981331187
  br label %13

13:                                               ; preds = %2, %6
  %storemerge10.lcssa = phi i32 [ %12, %6 ], [ 2020448023, %2 ]
  store i32 %storemerge10.lcssa, ptr %1, align 4, !tbaa !5
  ret void
}

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" }

!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: EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LCSSAPass,LoopRotatePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass