; LLVM IR from cryspen/libcrux :: sys/hacl/c/src (Hacl_Hash_SHA3)

; 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: 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 zeroext i8 @Hacl_Hash_SHA3_get_alg(ptr noundef) #1

; Function Attrs: nounwind uwtable
define dso_local zeroext i8 @Hacl_Hash_SHA3_digest(ptr noundef %0, ptr noundef %1) #1 {
  %3 = alloca i8, align 1
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i8, align 1
  %7 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %6) #2
  %8 = load ptr, ptr %4, align 8, !tbaa !5
  %9 = call zeroext i8 @Hacl_Hash_SHA3_get_alg(ptr noundef %8)
  store i8 %9, ptr %6, align 1, !tbaa !9
  %10 = load i8, ptr %6, align 1, !tbaa !9
  %11 = zext i8 %10 to i32
  %12 = icmp eq i32 %11, 12
  br i1 %12, label %17, label %13

13:                                               ; preds = %2
  %14 = load i8, ptr %6, align 1, !tbaa !9
  %15 = zext i8 %14 to i32
  %16 = icmp eq i32 %15, 13
  br i1 %16, label %17, label %18

17:                                               ; preds = %13, %2
  store i8 1, ptr %3, align 1
  store i32 1, ptr %7, align 4
  br label %24

18:                                               ; preds = %13
  %19 = load i8, ptr %6, align 1, !tbaa !9
  %20 = load ptr, ptr %4, align 8, !tbaa !5
  %21 = load ptr, ptr %5, align 8, !tbaa !5
  %22 = load i8, ptr %6, align 1, !tbaa !9
  %23 = call i32 @hash_len(i8 noundef zeroext %22)
  call void @digest_(i8 noundef zeroext %19, ptr noundef %20, ptr noundef %21, i32 noundef %23)
  store i8 0, ptr %3, align 1
  store i32 1, ptr %7, align 4
  br label %24

24:                                               ; preds = %18, %17
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #2
  %25 = load i8, ptr %3, align 1
  ret i8 %25
}

; Function Attrs: nounwind uwtable
declare hidden void @digest_(i8 noundef zeroext, ptr noundef, ptr noundef, i32 noundef) #1

; Function Attrs: nounwind uwtable
declare hidden i32 @hash_len(i8 noundef zeroext) #1

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 = !{!7, !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"

; Function Attrs: nounwind uwtable
declare dso_local zeroext i8 @Hacl_Hash_SHA3_get_alg(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local zeroext range(i8 0, 2) i8 @Hacl_Hash_SHA3_digest(ptr noundef %0, ptr noundef %1) local_unnamed_addr #0 {
  %3 = tail call zeroext i8 @Hacl_Hash_SHA3_get_alg(ptr noundef %0)
  %4 = and i8 %3, -2
  %or.cond = icmp eq i8 %4, 12
  br i1 %or.cond, label %7, label %5

5:                                                ; preds = %2
  %6 = tail call i32 @hash_len(i8 noundef zeroext %3)
  tail call void @digest_(i8 noundef zeroext %3, ptr noundef %0, ptr noundef %1, i32 noundef %6)
  br label %7

7:                                                ; preds = %2, %5
  %.0 = phi i8 [ 0, %5 ], [ 1, %2 ]
  ret i8 %.0
}

; Function Attrs: nounwind uwtable
declare hidden void @digest_(i8 noundef zeroext, ptr noundef, ptr noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare hidden i32 @hash_len(i8 noundef zeroext) local_unnamed_addr #0

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)"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,SimplifyCFGPass,TailCallElimPass