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

; 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._cpHashMethod_rmf = type { i32, i32, i32, i32, ptr, ptr, ptr, ptr }
%struct.IppsHashInfo = type { i32, i32 }

; Function Attrs: nounwind uwtable
define dso_local i32 @ippsHashMethodGetInfo(ptr noundef %0, ptr noundef %1) #0 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  %6 = load ptr, ptr %4, align 8, !tbaa !5
  %7 = icmp eq ptr null, %6
  br i1 %7, label %8, label %9

8:                                                ; preds = %2
  store i32 -8, ptr %3, align 4
  br label %24

9:                                                ; preds = %2
  %10 = load ptr, ptr %5, align 8, !tbaa !5
  %11 = icmp eq ptr null, %10
  br i1 %11, label %12, label %13

12:                                               ; preds = %9
  store i32 -8, ptr %3, align 4
  br label %24

13:                                               ; preds = %9
  %14 = load ptr, ptr %5, align 8, !tbaa !5
  %15 = getelementptr inbounds %struct._cpHashMethod_rmf, ptr %14, i32 0, i32 1
  %16 = load i32, ptr %15, align 4, !tbaa !9
  %17 = load ptr, ptr %4, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct.IppsHashInfo, ptr %17, i32 0, i32 0
  store i32 %16, ptr %18, align 4, !tbaa !12
  %19 = load ptr, ptr %5, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct._cpHashMethod_rmf, ptr %19, i32 0, i32 2
  %21 = load i32, ptr %20, align 8, !tbaa !14
  %22 = load ptr, ptr %4, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.IppsHashInfo, ptr %22, i32 0, i32 1
  store i32 %21, ptr %23, align 4, !tbaa !15
  store i32 0, ptr %3, align 4
  br label %24

24:                                               ; preds = %13, %12, %8
  %25 = load i32, ptr %3, align 4
  ret i32 %25
}

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" }

!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 4}
!10 = !{!"_cpHashMethod_rmf", !11, i64 0, !11, i64 4, !11, i64 8, !11, i64 12, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40}
!11 = !{!"int", !7, i64 0}
!12 = !{!13, !11, i64 0}
!13 = !{!"", !11, i64 0, !11, i64 4}
!14 = !{!10, !11, i64 8}
!15 = !{!13, !11, i64 4}


; 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 range(i32 -8, 1) i32 @ippsHashMethodGetInfo(ptr noundef writeonly %0, ptr noundef readonly %1) local_unnamed_addr #0 {
  %3 = icmp eq ptr %0, null
  %4 = icmp eq ptr %1, null
  %or.cond = or i1 %3, %4
  br i1 %or.cond, label %8, label %5

5:                                                ; preds = %2
  %6 = getelementptr inbounds i8, ptr %1, i64 4
  %7 = load <2 x i32>, ptr %6, align 4, !tbaa !5
  store <2 x i32> %7, ptr %0, align 4, !tbaa !5
  br label %8

8:                                                ; preds = %2, %5
  %.0 = phi i32 [ 0, %5 ], [ -8, %2 ]
  ret i32 %.0
}

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,GlobalOptPass,IPSCCPPass,InstCombinePass,PostOrderFunctionAttrsPass,SLPVectorizerPass,SROAPass,SimplifyCFGPass