; 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: nounwind uwtable
define dso_local void @Hacl_Hash_SHA3_update_multi_sha3(i8 noundef zeroext %0, ptr noundef %1, ptr noundef %2, i32 noundef %3) #0 {
  %5 = alloca i8, align 1
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca ptr, align 8
  store i8 %0, ptr %5, align 1, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !8
  store ptr %2, ptr %7, align 8, !tbaa !8
  store i32 %3, ptr %8, align 4, !tbaa !10
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #2
  store i32 0, ptr %9, align 4, !tbaa !10
  br label %11

11:                                               ; preds = %28, %4
  %12 = load i32, ptr %9, align 4, !tbaa !10
  %13 = load i32, ptr %8, align 4, !tbaa !10
  %14 = icmp ult i32 %12, %13
  br i1 %14, label %16, label %15

15:                                               ; preds = %11
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #2
  br label %31

16:                                               ; preds = %11
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #2
  %17 = load ptr, ptr %7, align 8, !tbaa !8
  %18 = load i32, ptr %9, align 4, !tbaa !10
  %19 = load i8, ptr %5, align 1, !tbaa !5
  %20 = call i32 @block_len(i8 noundef zeroext %19)
  %21 = mul i32 %18, %20
  %22 = zext i32 %21 to i64
  %23 = getelementptr inbounds i8, ptr %17, i64 %22
  store ptr %23, ptr %10, align 8, !tbaa !8
  %24 = load i8, ptr %5, align 1, !tbaa !5
  %25 = call i32 @block_len(i8 noundef zeroext %24)
  %26 = load ptr, ptr %10, align 8, !tbaa !8
  %27 = load ptr, ptr %6, align 8, !tbaa !8
  call void @Hacl_Hash_SHA3_absorb_inner(i32 noundef %25, ptr noundef %26, ptr noundef %27)
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #2
  br label %28

28:                                               ; preds = %16
  %29 = load i32, ptr %9, align 4, !tbaa !10
  %30 = add i32 %29, 1
  store i32 %30, ptr %9, align 4, !tbaa !10
  br label %11, !llvm.loop !12

31:                                               ; preds = %15
  ret void
}

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

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

; Function Attrs: nounwind uwtable
declare dso_local void @Hacl_Hash_SHA3_absorb_inner(i32 noundef, ptr noundef, ptr noundef) #0

; 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 = { 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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"any pointer", !6, i64 0}
!10 = !{!11, !11, i64 0}
!11 = !{!"int", !6, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}


; 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
define dso_local void @Hacl_Hash_SHA3_update_multi_sha3(i8 noundef zeroext %0, ptr noundef %1, ptr noundef %2, i32 noundef %3) local_unnamed_addr #0 {
  %.not = icmp eq i32 %3, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %4
  ret void

.lr.ph:                                           ; preds = %4, %.lr.ph
  %.08 = phi i32 [ %10, %.lr.ph ], [ 0, %4 ]
  %5 = tail call i32 @block_len(i8 noundef zeroext %0)
  %6 = mul i32 %5, %.08
  %7 = zext i32 %6 to i64
  %8 = getelementptr inbounds i8, ptr %2, i64 %7
  %9 = tail call i32 @block_len(i8 noundef zeroext %0)
  tail call void @Hacl_Hash_SHA3_absorb_inner(i32 noundef %9, ptr noundef %8, ptr noundef %1)
  %10 = add nuw i32 %.08, 1
  %exitcond.not = icmp eq i32 %10, %3
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !5
}

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

; Function Attrs: nounwind uwtable
declare dso_local void @Hacl_Hash_SHA3_absorb_inner(i32 noundef, ptr noundef, ptr noundef) 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)"}
!5 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: CorrelatedValuePropagationPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass