; 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
declare hidden void @digest_(i8 noundef zeroext, ptr noundef, ptr noundef, i32 noundef) #1

; Function Attrs: nounwind uwtable
define dso_local zeroext i8 @Hacl_Hash_SHA3_squeeze(ptr noundef %0, ptr noundef %1, i32 noundef %2) #1 {
  %4 = alloca i8, align 1
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i8, align 1
  %9 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store i32 %2, ptr %7, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1, ptr %8) #2
  %10 = load ptr, ptr %5, align 8, !tbaa !5
  %11 = call zeroext i8 @Hacl_Hash_SHA3_get_alg(ptr noundef %10)
  store i8 %11, ptr %8, align 1, !tbaa !11
  %12 = load i8, ptr %8, align 1, !tbaa !11
  %13 = zext i8 %12 to i32
  %14 = icmp eq i32 %13, 12
  br i1 %14, label %20, label %15

15:                                               ; preds = %3
  %16 = load i8, ptr %8, align 1, !tbaa !11
  %17 = zext i8 %16 to i32
  %18 = icmp eq i32 %17, 13
  br i1 %18, label %20, label %19

19:                                               ; preds = %15
  store i8 1, ptr %4, align 1
  store i32 1, ptr %9, align 4
  br label %29

20:                                               ; preds = %15, %3
  %21 = load i32, ptr %7, align 4, !tbaa !9
  %22 = icmp eq i32 %21, 0
  br i1 %22, label %23, label %24

23:                                               ; preds = %20
  store i8 2, ptr %4, align 1
  store i32 1, ptr %9, align 4
  br label %29

24:                                               ; preds = %20
  %25 = load i8, ptr %8, align 1, !tbaa !11
  %26 = load ptr, ptr %5, align 8, !tbaa !5
  %27 = load ptr, ptr %6, align 8, !tbaa !5
  %28 = load i32, ptr %7, align 4, !tbaa !9
  call void @digest_(i8 noundef zeroext %25, ptr noundef %26, ptr noundef %27, i32 noundef %28)
  store i8 0, ptr %4, align 1
  store i32 1, ptr %9, align 4
  br label %29

29:                                               ; preds = %24, %23, %19
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #2
  %30 = load i8, ptr %4, align 1
  ret i8 %30
}

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 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!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
declare hidden void @digest_(i8 noundef zeroext, ptr noundef, ptr noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local zeroext range(i8 0, 3) i8 @Hacl_Hash_SHA3_squeeze(ptr noundef %0, ptr noundef %1, i32 noundef %2) local_unnamed_addr #0 {
  %4 = tail call zeroext i8 @Hacl_Hash_SHA3_get_alg(ptr noundef %0)
  %5 = and i8 %4, -2
  %or.cond = icmp eq i8 %5, 12
  br i1 %or.cond, label %6, label %9

6:                                                ; preds = %3
  %7 = icmp eq i32 %2, 0
  br i1 %7, label %9, label %8

8:                                                ; preds = %6
  tail call void @digest_(i8 noundef zeroext %4, ptr noundef %0, ptr noundef %1, i32 noundef %2)
  br label %9

9:                                                ; preds = %6, %3, %8
  %.0 = phi i8 [ 0, %8 ], [ 1, %3 ], [ 2, %6 ]
  ret i8 %.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