; LLVM IR from intel/cryptography-primitives :: sources/ippcp/hash (pcphash_reinit)

; 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"

%struct._cpHashCtx = type { i32, i32, i64, i64, ptr, ptr, [8 x i64], i32, [128 x i8] }

@cpHashIV = external global [0 x ptr], align 8

; Function Attrs: nounwind uwtable
define dso_local i32 @cpReInitHash(ptr noundef %0, i32 noundef %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  %7 = load i32, ptr %4, align 4, !tbaa !9
  %8 = call i32 @cpHashIvSize(i32 noundef %7)
  store i32 %8, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  %9 = load i32, ptr %4, align 4, !tbaa !9
  %10 = zext i32 %9 to i64
  %11 = getelementptr inbounds [0 x ptr], ptr @cpHashIV, i64 0, i64 %10
  %12 = load ptr, ptr %11, align 8, !tbaa !5
  store ptr %12, ptr %6, align 8, !tbaa !5
  %13 = load ptr, ptr %3, align 8, !tbaa !5
  %14 = getelementptr inbounds %struct._cpHashCtx, ptr %13, i32 0, i32 2
  store i64 0, ptr %14, align 8, !tbaa !11
  %15 = load ptr, ptr %3, align 8, !tbaa !5
  %16 = getelementptr inbounds %struct._cpHashCtx, ptr %15, i32 0, i32 3
  store i64 0, ptr %16, align 8, !tbaa !14
  %17 = load ptr, ptr %3, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct._cpHashCtx, ptr %17, i32 0, i32 7
  store i32 0, ptr %18, align 8, !tbaa !15
  %19 = load ptr, ptr %6, align 8, !tbaa !5
  %20 = load ptr, ptr %3, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct._cpHashCtx, ptr %20, i32 0, i32 6
  %22 = getelementptr inbounds [8 x i64], ptr %21, i64 0, i64 0
  %23 = load i32, ptr %5, align 4, !tbaa !9
  call void @CopyBlock(ptr noundef %19, ptr noundef %22, i32 noundef %23)
  %24 = load i32, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  ret i32 %24
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: inlinehint nounwind uwtable
declare hidden i32 @cpHashIvSize(i32 noundef) #2

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @CopyBlock(ptr noundef, ptr noundef, i32 noundef) #2

; 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 = { inlinehint 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 #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 = !{!12, !13, i64 8}
!12 = !{!"_cpHashCtx", !10, i64 0, !10, i64 4, !13, i64 8, !13, i64 16, !6, i64 24, !6, i64 32, !7, i64 40, !10, i64 104, !7, i64 108}
!13 = !{!"long long", !7, i64 0}
!14 = !{!12, !13, i64 16}
!15 = !{!12, !10, i64 104}


; 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"

@cpHashIV = external local_unnamed_addr global [0 x ptr], align 8

; Function Attrs: nounwind uwtable
define dso_local noundef i32 @cpReInitHash(ptr noundef %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = tail call i32 @cpHashIvSize(i32 noundef %1)
  %4 = zext i32 %1 to i64
  %5 = getelementptr inbounds [0 x ptr], ptr @cpHashIV, i64 0, i64 %4
  %6 = load ptr, ptr %5, align 8, !tbaa !5
  %7 = getelementptr inbounds i8, ptr %0, i64 8
  %8 = getelementptr inbounds i8, ptr %0, i64 104
  store i32 0, ptr %8, align 8, !tbaa !9
  %9 = getelementptr inbounds i8, ptr %0, i64 40
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %7, i8 0, i64 16, i1 false)
  tail call void @CopyBlock(ptr noundef %6, ptr noundef nonnull %9, i32 noundef %3)
  ret i32 %3
}

; Function Attrs: inlinehint nounwind uwtable
declare hidden i32 @cpHashIvSize(i32 noundef) local_unnamed_addr #1

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @CopyBlock(ptr noundef, ptr noundef, i32 noundef) local_unnamed_addr #1

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #2

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 = { inlinehint 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 = { nocallback nofree nounwind willreturn memory(argmem: write) }

!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, !11, i64 104}
!10 = !{!"_cpHashCtx", !11, i64 0, !11, i64 4, !12, i64 8, !12, i64 16, !6, i64 24, !6, i64 32, !7, i64 40, !11, i64 104, !7, i64 108}
!11 = !{!"int", !7, i64 0}
!12 = !{!"long long", !7, i64 0}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,MemCpyOptPass,PostOrderFunctionAttrsPass,SROAPass,TailCallElimPass