; LLVM IR from gost-engine/engine :: gost89 (acpkm_magma_key_meshing)

; 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"

@ACPKM_D_const = external dso_local constant [32 x i8], align 16

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind uwtable
declare dso_local void @magmacrypt(ptr noundef, ptr noundef, ptr noundef) #1

; Function Attrs: nounwind uwtable
declare dso_local void @magma_key(ptr noundef, ptr noundef) #1

declare void @OPENSSL_cleanse(ptr noundef, i64 noundef) #2

; Function Attrs: nounwind uwtable
define dso_local void @acpkm_magma_key_meshing(ptr noundef %0) #1 {
  %2 = alloca ptr, align 8
  %3 = alloca [32 x i8], align 16
  %4 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 32, ptr %3) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #3
  store i32 0, ptr %4, align 4, !tbaa !9
  br label %5

5:                                                ; preds = %19, %1
  %6 = load i32, ptr %4, align 4, !tbaa !9
  %7 = icmp slt i32 %6, 4
  br i1 %7, label %8, label %22

8:                                                ; preds = %5
  %9 = load ptr, ptr %2, align 8, !tbaa !5
  %10 = load i32, ptr %4, align 4, !tbaa !9
  %11 = mul nsw i32 8, %10
  %12 = sext i32 %11 to i64
  %13 = getelementptr inbounds i8, ptr @ACPKM_D_const, i64 %12
  %14 = getelementptr inbounds [32 x i8], ptr %3, i64 0, i64 0
  %15 = load i32, ptr %4, align 4, !tbaa !9
  %16 = mul nsw i32 8, %15
  %17 = sext i32 %16 to i64
  %18 = getelementptr inbounds i8, ptr %14, i64 %17
  call void @magmacrypt(ptr noundef %9, ptr noundef %13, ptr noundef %18)
  br label %19

19:                                               ; preds = %8
  %20 = load i32, ptr %4, align 4, !tbaa !9
  %21 = add nsw i32 %20, 1
  store i32 %21, ptr %4, align 4, !tbaa !9
  br label %5, !llvm.loop !11

22:                                               ; preds = %5
  %23 = load ptr, ptr %2, align 8, !tbaa !5
  %24 = getelementptr inbounds [32 x i8], ptr %3, i64 0, i64 0
  call void @magma_key(ptr noundef %23, ptr noundef %24)
  %25 = getelementptr inbounds [32 x i8], ptr %3, i64 0, i64 0
  call void @OPENSSL_cleanse(ptr noundef %25, i64 noundef 32)
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr %3) #3
  ret void
}

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 = { "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 #3 = { 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"

@ACPKM_D_const = external dso_local constant [32 x i8], align 16

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind uwtable
declare dso_local void @magmacrypt(ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare dso_local void @magma_key(ptr noundef, ptr noundef) local_unnamed_addr #1

declare void @OPENSSL_cleanse(ptr noundef, i64 noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
define dso_local void @acpkm_magma_key_meshing(ptr noundef %0) local_unnamed_addr #1 {
  %2 = alloca [32 x i8], align 16
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %2) #3
  call void @magmacrypt(ptr noundef %0, ptr noundef nonnull @ACPKM_D_const, ptr noundef nonnull %2)
  %3 = getelementptr inbounds i8, ptr %2, i64 8
  call void @magmacrypt(ptr noundef %0, ptr noundef nonnull getelementptr inbounds (i8, ptr @ACPKM_D_const, i64 8), ptr noundef nonnull %3)
  %4 = getelementptr inbounds i8, ptr %2, i64 16
  call void @magmacrypt(ptr noundef %0, ptr noundef nonnull getelementptr inbounds (i8, ptr @ACPKM_D_const, i64 16), ptr noundef nonnull %4)
  %5 = getelementptr inbounds i8, ptr %2, i64 24
  call void @magmacrypt(ptr noundef %0, ptr noundef nonnull getelementptr inbounds (i8, ptr @ACPKM_D_const, i64 24), ptr noundef nonnull %5)
  call void @magma_key(ptr noundef %0, ptr noundef nonnull %2)
  call void @OPENSSL_cleanse(ptr noundef nonnull %2, i64 noundef 32) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #3
  ret void
}

attributes #0 = { mustprogress 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 = { "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 #3 = { 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)"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LoopRotatePass,SROAPass,SimplifyCFGPass