; 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 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
  %8 = load ptr, ptr %3, align 8, !tbaa !5
  %9 = getelementptr inbounds i32, ptr %8, i64 0
  %10 = load i32, ptr %9, align 4, !tbaa !9
  %11 = zext i32 %10 to i64
  %12 = add i64 %11, 51238316
  %13 = add i64 %12, 274866410
  %14 = trunc i64 %13 to i32
  %15 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  store i32 %14, ptr %15, align 4, !tbaa !9
  store i32 0, ptr %6, align 4, !tbaa !9
  br label %16

16:                                               ; preds = %64, %2
  %17 = load i32, ptr %6, align 4, !tbaa !9
  %18 = zext i32 %17 to i64
  %19 = icmp ult i64 %18, 1
  br i1 %19, label %20, label %69

20:                                               ; preds = %16
  %21 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %22 = load i32, ptr %21, align 4, !tbaa !9
  %23 = load i32, ptr %6, align 4, !tbaa !9
  %24 = icmp ult i32 %22, %23
  br i1 %24, label %25, label %64

25:                                               ; preds = %20
  %26 = load i32, ptr %6, align 4, !tbaa !9
  %27 = zext i32 %26 to i64
  %28 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %27
  %29 = getelementptr inbounds i8, ptr %28, i64 1
  %30 = load i8, ptr %29, align 1, !tbaa !11
  store i8 %30, ptr %7, align 1, !tbaa !11
  %31 = load i32, ptr %6, align 4, !tbaa !9
  %32 = zext i32 %31 to i64
  %33 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %32
  %34 = getelementptr inbounds i8, ptr %33, i64 0
  %35 = load i8, ptr %34, align 1, !tbaa !11
  %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 = getelementptr inbounds i8, ptr %38, i64 1
  store i8 %35, ptr %39, align 1, !tbaa !11
  %40 = load i8, ptr %7, align 1, !tbaa !11
  %41 = load i32, ptr %6, align 4, !tbaa !9
  %42 = zext i32 %41 to i64
  %43 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %42
  %44 = getelementptr inbounds i8, ptr %43, i64 0
  store i8 %40, ptr %44, align 1, !tbaa !11
  %45 = load i32, ptr %6, align 4, !tbaa !9
  %46 = zext i32 %45 to i64
  %47 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %46
  %48 = getelementptr inbounds i8, ptr %47, i64 3
  %49 = load i8, ptr %48, align 1, !tbaa !11
  store i8 %49, ptr %7, align 1, !tbaa !11
  %50 = load i32, ptr %6, align 4, !tbaa !9
  %51 = zext i32 %50 to i64
  %52 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %51
  %53 = getelementptr inbounds i8, ptr %52, i64 1
  %54 = load i8, ptr %53, align 1, !tbaa !11
  %55 = load i32, ptr %6, align 4, !tbaa !9
  %56 = zext i32 %55 to i64
  %57 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %56
  %58 = getelementptr inbounds i8, ptr %57, i64 3
  store i8 %54, ptr %58, align 1, !tbaa !11
  %59 = load i8, ptr %7, align 1, !tbaa !11
  %60 = load i32, ptr %6, align 4, !tbaa !9
  %61 = zext i32 %60 to i64
  %62 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 %61
  %63 = getelementptr inbounds i8, ptr %62, i64 1
  store i8 %59, ptr %63, align 1, !tbaa !11
  br label %64

64:                                               ; preds = %25, %20
  %65 = load i32, ptr %6, align 4, !tbaa !9
  %66 = zext i32 %65 to i64
  %67 = add i64 %66, 2
  %68 = trunc i64 %67 to i32
  store i32 %68, ptr %6, align 4, !tbaa !9
  br label %16, !llvm.loop !12

69:                                               ; preds = %16
  %70 = getelementptr inbounds [1 x i32], ptr %5, i64 0, i64 0
  %71 = load i32, ptr %70, align 4, !tbaa !9
  %72 = zext i32 %71 to i64
  %73 = add i64 %72, 454761159
  %74 = trunc i64 %73 to i32
  %75 = load ptr, ptr %4, align 8, !tbaa !5
  %76 = getelementptr inbounds i32, ptr %75, i64 0
  store i32 %74, ptr %76, align 4, !tbaa !9
  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.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 = !{!7, !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"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, 326104726
  %5 = insertelement <4 x i32> poison, i32 %4, i64 0
  %6 = shufflevector <4 x i32> %5, <4 x i32> poison, <4 x i32> zeroinitializer
  %7 = and <4 x i32> %6, <i32 16711680, i32 -16777216, i32 255, i32 65280>
  %8 = tail call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> %7)
  %op.rdx = add i32 %8, 454761159
  store i32 %op.rdx, ptr %1, align 4, !tbaa !5
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.vector.reduce.add.v4i32(<4 x 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,LCSSAPass,LICMPass,LoopRotatePass,PostOrderFunctionAttrsPass,ReassociatePass,SLPVectorizerPass,SROAPass,SimplifyCFGPass,TailCallElimPass