; 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 i8, align 1
  %9 = alloca i8, align 1
  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 1, ptr %8) #2
  call void @llvm.lifetime.start.p0(i64 1, 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 = sub i64 %13, 51238316
  %15 = sub i64 %14, 339126204
  %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 %6, align 4, !tbaa !9
  br label %18

18:                                               ; preds = %24, %2
  %19 = load i32, ptr %6, align 4, !tbaa !9
  %20 = load ptr, ptr %3, align 8, !tbaa !5
  %21 = getelementptr inbounds i32, ptr %20, i64 1
  %22 = load i32, ptr %21, align 4, !tbaa !9
  %23 = icmp ult i32 %19, %22
  br i1 %23, label %24, label %49

24:                                               ; preds = %18
  %25 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %26 = getelementptr inbounds i8, ptr %25, i64 1
  %27 = load i8, ptr %26, align 1, !tbaa !11
  store i8 %27, ptr %7, align 1, !tbaa !11
  %28 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %29 = getelementptr inbounds i8, ptr %28, i64 3
  %30 = load i8, ptr %29, align 1, !tbaa !11
  %31 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %32 = getelementptr inbounds i8, ptr %31, i64 1
  store i8 %30, ptr %32, align 1, !tbaa !11
  %33 = load i8, ptr %7, align 1, !tbaa !11
  %34 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %35 = getelementptr inbounds i8, ptr %34, i64 3
  store i8 %33, ptr %35, align 1, !tbaa !11
  %36 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %37 = getelementptr inbounds i8, ptr %36, i64 0
  %38 = load i8, ptr %37, align 1, !tbaa !11
  store i8 %38, ptr %8, align 1, !tbaa !11
  %39 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %40 = getelementptr inbounds i8, ptr %39, i64 3
  %41 = load i8, ptr %40, align 1, !tbaa !11
  %42 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %43 = getelementptr inbounds i8, ptr %42, i64 0
  store i8 %41, ptr %43, align 1, !tbaa !11
  %44 = load i8, ptr %8, align 1, !tbaa !11
  %45 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %46 = getelementptr inbounds i8, ptr %45, i64 3
  store i8 %44, ptr %46, align 1, !tbaa !11
  %47 = load i32, ptr %6, align 4, !tbaa !9
  %48 = add i32 %47, 1
  store i32 %48, ptr %6, align 4, !tbaa !9
  br label %18, !llvm.loop !12

49:                                               ; preds = %18
  store i32 0, ptr %6, align 4, !tbaa !9
  br label %50

50:                                               ; preds = %56, %49
  %51 = load i32, ptr %6, align 4, !tbaa !9
  %52 = load ptr, ptr %3, align 8, !tbaa !5
  %53 = getelementptr inbounds i32, ptr %52, i64 1
  %54 = load i32, ptr %53, align 4, !tbaa !9
  %55 = icmp ult i32 %51, %54
  br i1 %55, label %56, label %84

56:                                               ; preds = %50
  %57 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %58 = getelementptr inbounds i8, ptr %57, i64 2
  %59 = load i8, ptr %58, align 1, !tbaa !11
  store i8 %59, ptr %9, align 1, !tbaa !11
  %60 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %61 = getelementptr inbounds i8, ptr %60, i64 1
  %62 = load i8, ptr %61, align 1, !tbaa !11
  %63 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %64 = getelementptr inbounds i8, ptr %63, i64 2
  store i8 %62, ptr %64, align 1, !tbaa !11
  %65 = load i8, ptr %9, align 1, !tbaa !11
  %66 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %67 = getelementptr inbounds i8, ptr %66, i64 1
  store i8 %65, ptr %67, align 1, !tbaa !11
  %68 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %69 = load i32, ptr %68, align 4, !tbaa !9
  %70 = load i32, ptr %6, align 4, !tbaa !9
  %71 = zext i32 %70 to i64
  %72 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %71
  %73 = load i32, ptr %72, align 4, !tbaa !9
  %74 = add i32 %69, %73
  %75 = and i32 %74, 7
  %76 = shl i32 %75, 2
  %77 = load i32, ptr %6, align 4, !tbaa !9
  %78 = zext i32 %77 to i64
  %79 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %78
  %80 = load i32, ptr %79, align 4, !tbaa !9
  %81 = or i32 %80, %76
  store i32 %81, ptr %79, align 4, !tbaa !9
  %82 = load i32, ptr %6, align 4, !tbaa !9
  %83 = add i32 %82, 1
  store i32 %83, ptr %6, align 4, !tbaa !9
  br label %50, !llvm.loop !14

84:                                               ; preds = %50
  %85 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %86 = load i32, ptr %85, align 4, !tbaa !9
  %87 = lshr i32 %86, 3
  %88 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %89 = load i32, ptr %88, align 4, !tbaa !9
  %90 = shl i32 %89, 29
  %91 = or i32 %87, %90
  %92 = load ptr, ptr %4, align 8, !tbaa !5
  %93 = getelementptr inbounds i32, ptr %92, i64 0
  store i32 %91, ptr %93, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #2
  call void @llvm.lifetime.end.p0(i64 1, 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 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}
!14 = distinct !{!14, !13}


; 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, -390364520
  %.sroa.0.0.extract.trunc = trunc i32 %4 to i8
  %.sroa.8.0.extract.shift = lshr i32 %4, 8
  %.sroa.8.0.extract.trunc = trunc i32 %.sroa.8.0.extract.shift to i8
  %.sroa.14.0.extract.shift = lshr i32 %4, 24
  %.sroa.14.0.extract.trunc = trunc nuw i32 %.sroa.14.0.extract.shift to i8
  %5 = getelementptr inbounds i8, ptr %0, i64 4
  %6 = load i32, ptr %5, align 4, !tbaa !5
  %7 = add i32 %6, 1
  %xtraiter = and i32 %7, 7
  %8 = icmp ult i32 %6, 7
  br i1 %8, label %.preheader.unr-lcssa, label %.new

.new:                                             ; preds = %2
  %unroll_iter = and i32 %7, -8
  br label %9

9:                                                ; preds = %9, %.new
  %.sroa.14.0 = phi i8 [ %.sroa.14.0.extract.trunc, %.new ], [ %.sroa.8.0, %9 ]
  %.sroa.8.0 = phi i8 [ %.sroa.8.0.extract.trunc, %.new ], [ %.sroa.0.0, %9 ]
  %.sroa.0.0 = phi i8 [ %.sroa.0.0.extract.trunc, %.new ], [ %.sroa.14.0, %9 ]
  %niter = phi i32 [ 0, %.new ], [ %niter.next.7, %9 ]
  %niter.next.7 = add i32 %niter, 8
  %niter.ncmp.7 = icmp eq i32 %niter.next.7, %unroll_iter
  br i1 %niter.ncmp.7, label %.preheader.unr-lcssa, label %9, !llvm.loop !9

.preheader.unr-lcssa:                             ; preds = %9, %2
  %.sroa.14.0.lcssa.ph = phi i8 [ poison, %2 ], [ %.sroa.0.0, %9 ]
  %.sroa.8.0.lcssa.ph = phi i8 [ poison, %2 ], [ %.sroa.14.0, %9 ]
  %.sroa.0.0.lcssa.ph = phi i8 [ poison, %2 ], [ %.sroa.8.0, %9 ]
  %.sroa.14.0.unr = phi i8 [ %.sroa.14.0.extract.trunc, %2 ], [ %.sroa.8.0, %9 ]
  %.sroa.8.0.unr = phi i8 [ %.sroa.8.0.extract.trunc, %2 ], [ %.sroa.0.0, %9 ]
  %.sroa.0.0.unr = phi i8 [ %.sroa.0.0.extract.trunc, %2 ], [ %.sroa.14.0, %9 ]
  %lcmp.mod.not = icmp eq i32 %xtraiter, 0
  br i1 %lcmp.mod.not, label %.preheader, label %.epil.preheader

.epil.preheader:                                  ; preds = %.preheader.unr-lcssa, %.epil.preheader
  %.sroa.14.0.epil = phi i8 [ %.sroa.0.0.epil, %.epil.preheader ], [ %.sroa.14.0.unr, %.preheader.unr-lcssa ]
  %.sroa.8.0.epil = phi i8 [ %.sroa.14.0.epil, %.epil.preheader ], [ %.sroa.8.0.unr, %.preheader.unr-lcssa ]
  %.sroa.0.0.epil = phi i8 [ %.sroa.8.0.epil, %.epil.preheader ], [ %.sroa.0.0.unr, %.preheader.unr-lcssa ]
  %epil.iter = phi i32 [ %epil.iter.next, %.epil.preheader ], [ 0, %.preheader.unr-lcssa ]
  %epil.iter.next = add i32 %epil.iter, 1
  %epil.iter.cmp.not = icmp eq i32 %epil.iter.next, %xtraiter
  br i1 %epil.iter.cmp.not, label %.preheader, label %.epil.preheader, !llvm.loop !11

.preheader:                                       ; preds = %.epil.preheader, %.preheader.unr-lcssa
  %.sroa.14.0.lcssa = phi i8 [ %.sroa.14.0.lcssa.ph, %.preheader.unr-lcssa ], [ %.sroa.14.0.epil, %.epil.preheader ]
  %.sroa.8.0.lcssa = phi i8 [ %.sroa.8.0.lcssa.ph, %.preheader.unr-lcssa ], [ %.sroa.8.0.epil, %.epil.preheader ]
  %.sroa.0.0.lcssa = phi i8 [ %.sroa.0.0.lcssa.ph, %.preheader.unr-lcssa ], [ %.sroa.0.0.epil, %.epil.preheader ]
  %.not = icmp eq i32 %6, 0
  %.pre = zext i8 %.sroa.14.0.lcssa to i32
  %.pre47 = shl nuw i32 %.pre, 24
  br i1 %.not, label %._crit_edge, label %.lr.ph.preheader

.lr.ph.preheader:                                 ; preds = %.preheader
  %xtraiter51 = and i32 %6, 1
  %10 = icmp eq i32 %6, 1
  br i1 %10, label %._crit_edge.loopexit.unr-lcssa, label %.lr.ph.preheader.new

.lr.ph.preheader.new:                             ; preds = %.lr.ph.preheader
  %unroll_iter57 = and i32 %6, -2
  br label %.lr.ph

.lr.ph:                                           ; preds = %.lr.ph, %.lr.ph.preheader.new
  %.sroa.0.142 = phi i8 [ %.sroa.0.0.lcssa, %.lr.ph.preheader.new ], [ %.sroa.0.0.extract.trunc17.1, %.lr.ph ]
  %.sroa.12.0.in.in40 = phi i32 [ %4, %.lr.ph.preheader.new ], [ %18, %.lr.ph ]
  %niter58 = phi i32 [ 0, %.lr.ph.preheader.new ], [ %niter58.next.1, %.lr.ph ]
  %.sroa.0.0.insert.ext = zext i8 %.sroa.0.142 to i32
  %11 = shl nuw nsw i32 %.sroa.0.0.insert.ext, 3
  %12 = and i32 %11, 24
  %13 = or i32 %12, %.sroa.0.0.insert.ext
  %.sroa.12.0.insert.ext.1 = and i32 %.sroa.12.0.in.in40, 16711680
  %14 = shl nuw nsw i32 %13, 3
  %15 = and i32 %14, 24
  %16 = or disjoint i32 %.sroa.12.0.insert.ext.1, %15
  %17 = or disjoint i32 %16, %.pre47
  %18 = or i32 %17, %13
  %.sroa.0.0.extract.trunc17.1 = trunc i32 %18 to i8
  %niter58.next.1 = add i32 %niter58, 2
  %niter58.ncmp.1 = icmp eq i32 %niter58.next.1, %unroll_iter57
  br i1 %niter58.ncmp.1, label %._crit_edge.loopexit.unr-lcssa, label %.lr.ph, !llvm.loop !13

._crit_edge.loopexit.unr-lcssa:                   ; preds = %.lr.ph, %.lr.ph.preheader
  %.lcssa.ph = phi i32 [ poison, %.lr.ph.preheader ], [ %18, %.lr.ph ]
  %.sroa.0.0.extract.trunc17.lcssa.ph = phi i8 [ poison, %.lr.ph.preheader ], [ %.sroa.0.0.extract.trunc17.1, %.lr.ph ]
  %.sroa.0.142.unr = phi i8 [ %.sroa.0.0.lcssa, %.lr.ph.preheader ], [ %.sroa.0.0.extract.trunc17.1, %.lr.ph ]
  %.sroa.12.0.in.in40.unr = phi i32 [ %4, %.lr.ph.preheader ], [ %18, %.lr.ph ]
  %lcmp.mod53.not = icmp eq i32 %xtraiter51, 0
  br i1 %lcmp.mod53.not, label %._crit_edge, label %.lr.ph.epil

.lr.ph.epil:                                      ; preds = %._crit_edge.loopexit.unr-lcssa
  %.sroa.12.0.insert.ext.epil = zext i8 %.sroa.8.0.lcssa to i32
  %.sroa.12.0.insert.shift.epil = shl nuw nsw i32 %.sroa.12.0.insert.ext.epil, 16
  %.sroa.0.0.insert.ext.epil = zext i8 %.sroa.0.142.unr to i32
  %19 = shl nuw nsw i32 %.sroa.0.0.insert.ext.epil, 3
  %20 = and i32 %19, 24
  %21 = or disjoint i32 %.sroa.12.0.insert.shift.epil, %20
  %22 = or disjoint i32 %21, %.pre47
  %23 = or i32 %22, %.sroa.0.0.insert.ext.epil
  %.sroa.0.0.extract.trunc17.epil = trunc i32 %23 to i8
  %.sroa.8.0.extract.shift23.epil = lshr i32 %.sroa.12.0.in.in40.unr, 16
  %.sroa.8.0.extract.trunc24.epil = trunc i32 %.sroa.8.0.extract.shift23.epil to i8
  br label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph.epil, %._crit_edge.loopexit.unr-lcssa, %.preheader
  %.sroa.12.0.in.in.lcssa = phi i32 [ %4, %.preheader ], [ %.lcssa.ph, %._crit_edge.loopexit.unr-lcssa ], [ %23, %.lr.ph.epil ]
  %.sroa.8.1.lcssa = phi i8 [ %.sroa.8.0.lcssa, %.preheader ], [ %.sroa.8.0.lcssa, %._crit_edge.loopexit.unr-lcssa ], [ %.sroa.8.0.extract.trunc24.epil, %.lr.ph.epil ]
  %.sroa.0.1.lcssa = phi i8 [ %.sroa.0.0.lcssa, %.preheader ], [ %.sroa.0.0.extract.trunc17.lcssa.ph, %._crit_edge.loopexit.unr-lcssa ], [ %.sroa.0.0.extract.trunc17.epil, %.lr.ph.epil ]
  %.sroa.12.0.insert.shift28 = and i32 %.sroa.12.0.in.in.lcssa, 16711680
  %.sroa.8.0.insert.ext19 = zext i8 %.sroa.8.1.lcssa to i32
  %.sroa.8.0.insert.shift20 = shl nuw nsw i32 %.sroa.8.0.insert.ext19, 8
  %24 = or disjoint i32 %.sroa.12.0.insert.shift28, %.sroa.8.0.insert.shift20
  %.sroa.0.0.insert.ext14 = zext i8 %.sroa.0.1.lcssa to i32
  %25 = or disjoint i32 %24, %.sroa.0.0.insert.ext14
  %.sroa.0.0.insert.insert16 = or disjoint i32 %25, %.pre47
  %26 = tail call i32 @llvm.fshl.i32(i32 %.sroa.0.0.insert.insert16, i32 %.sroa.0.0.insert.insert16, i32 29)
  store i32 %26, 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"}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.unroll.disable"}
!13 = distinct !{!13, !10}


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