; LLVM IR from cryptid-org/cryptid-native :: src/util (HashFunction)

; 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 i32 @hashFunction_getHashSize(ptr noundef %0, i32 noundef %1) #0 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  %6 = load i32, ptr %5, align 4, !tbaa !9
  switch i32 %6, label %17 [
    i32 0, label %7
    i32 1, label %9
    i32 2, label %11
    i32 3, label %13
    i32 4, label %15
  ]

7:                                                ; preds = %2
  %8 = load ptr, ptr %4, align 8, !tbaa !5
  store i32 20, ptr %8, align 4, !tbaa !9
  br label %18

9:                                                ; preds = %2
  %10 = load ptr, ptr %4, align 8, !tbaa !5
  store i32 28, ptr %10, align 4, !tbaa !9
  br label %18

11:                                               ; preds = %2
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  store i32 32, ptr %12, align 4, !tbaa !9
  br label %18

13:                                               ; preds = %2
  %14 = load ptr, ptr %4, align 8, !tbaa !5
  store i32 48, ptr %14, align 4, !tbaa !9
  br label %18

15:                                               ; preds = %2
  %16 = load ptr, ptr %4, align 8, !tbaa !5
  store i32 64, ptr %16, align 4, !tbaa !9
  br label %18

17:                                               ; preds = %2
  store i32 19, ptr %3, align 4
  br label %19

18:                                               ; preds = %15, %13, %11, %9, %7
  store i32 0, ptr %3, align 4
  br label %19

19:                                               ; preds = %18, %17
  %20 = load i32, ptr %3, align 4
  ret i32 %20
}

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, !10, i64 0}
!10 = !{!"int", !7, i64 0}


; 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"

@switch.table.hashFunction_getHashSize = private unnamed_addr constant [5 x i32] [i32 20, i32 28, i32 32, i32 48, i32 64], align 4

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) uwtable
define dso_local range(i32 0, 20) i32 @hashFunction_getHashSize(ptr nocapture noundef writeonly %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = icmp ult i32 %1, 5
  br i1 %3, label %switch.lookup, label %5

switch.lookup:                                    ; preds = %2
  %4 = zext nneg i32 %1 to i64
  %switch.gep = getelementptr inbounds [5 x i32], ptr @switch.table.hashFunction_getHashSize, i64 0, i64 %4
  %switch.load = load i32, ptr %switch.gep, align 4
  store i32 %switch.load, ptr %0, align 4, !tbaa !5
  br label %5

5:                                                ; preds = %2, %switch.lookup
  %.0 = phi i32 [ 19, %2 ], [ 0, %switch.lookup ]
  ret i32 %.0
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) 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: GlobalOptPass,IPSCCPPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass