; LLVM IR from begeekmyfriend/CuckooFilter :: mozilla-sha1 (sha1)

; 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.SHA_CTX = type { [5 x i32], [80 x i32], i32, i32, i32 }

; Function Attrs: nounwind uwtable
define dso_local void @SHA1_Init(ptr noundef %0) #0 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #2
  %4 = load ptr, ptr %2, align 8, !tbaa !5
  %5 = getelementptr inbounds %struct.SHA_CTX, ptr %4, i32 0, i32 2
  store i32 0, ptr %5, align 4, !tbaa !9
  %6 = load ptr, ptr %2, align 8, !tbaa !5
  %7 = getelementptr inbounds %struct.SHA_CTX, ptr %6, i32 0, i32 4
  store i32 0, ptr %7, align 4, !tbaa !12
  %8 = load ptr, ptr %2, align 8, !tbaa !5
  %9 = getelementptr inbounds %struct.SHA_CTX, ptr %8, i32 0, i32 3
  store i32 0, ptr %9, align 4, !tbaa !13
  %10 = load ptr, ptr %2, align 8, !tbaa !5
  %11 = getelementptr inbounds %struct.SHA_CTX, ptr %10, i32 0, i32 0
  %12 = getelementptr inbounds [5 x i32], ptr %11, i64 0, i64 0
  store i32 1732584193, ptr %12, align 4, !tbaa !14
  %13 = load ptr, ptr %2, align 8, !tbaa !5
  %14 = getelementptr inbounds %struct.SHA_CTX, ptr %13, i32 0, i32 0
  %15 = getelementptr inbounds [5 x i32], ptr %14, i64 0, i64 1
  store i32 -271733879, ptr %15, align 4, !tbaa !14
  %16 = load ptr, ptr %2, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct.SHA_CTX, ptr %16, i32 0, i32 0
  %18 = getelementptr inbounds [5 x i32], ptr %17, i64 0, i64 2
  store i32 -1732584194, ptr %18, align 4, !tbaa !14
  %19 = load ptr, ptr %2, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.SHA_CTX, ptr %19, i32 0, i32 0
  %21 = getelementptr inbounds [5 x i32], ptr %20, i64 0, i64 3
  store i32 271733878, ptr %21, align 4, !tbaa !14
  %22 = load ptr, ptr %2, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.SHA_CTX, ptr %22, i32 0, i32 0
  %24 = getelementptr inbounds [5 x i32], ptr %23, i64 0, i64 4
  store i32 -1009589776, ptr %24, align 4, !tbaa !14
  store i32 0, ptr %3, align 4, !tbaa !14
  br label %25

25:                                               ; preds = %34, %1
  %26 = load i32, ptr %3, align 4, !tbaa !14
  %27 = icmp slt i32 %26, 80
  br i1 %27, label %28, label %37

28:                                               ; preds = %25
  %29 = load ptr, ptr %2, align 8, !tbaa !5
  %30 = getelementptr inbounds %struct.SHA_CTX, ptr %29, i32 0, i32 1
  %31 = load i32, ptr %3, align 4, !tbaa !14
  %32 = sext i32 %31 to i64
  %33 = getelementptr inbounds [80 x i32], ptr %30, i64 0, i64 %32
  store i32 0, ptr %33, align 4, !tbaa !14
  br label %34

34:                                               ; preds = %28
  %35 = load i32, ptr %3, align 4, !tbaa !14
  %36 = add nsw i32 %35, 1
  store i32 %36, ptr %3, align 4, !tbaa !14
  br label %25, !llvm.loop !15

37:                                               ; preds = %25
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #2
  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: 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !11, i64 340}
!10 = !{!"", !7, i64 0, !7, i64 20, !11, i64 340, !11, i64 344, !11, i64 348}
!11 = !{!"int", !7, i64 0}
!12 = !{!10, !11, i64 348}
!13 = !{!10, !11, i64 344}
!14 = !{!11, !11, i64 0}
!15 = distinct !{!15, !16}
!16 = !{!"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: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) uwtable
define dso_local void @SHA1_Init(ptr nocapture noundef writeonly %0) local_unnamed_addr #0 {
  %2 = getelementptr inbounds i8, ptr %0, i64 340
  store i32 0, ptr %2, align 4, !tbaa !5
  %3 = getelementptr inbounds i8, ptr %0, i64 348
  store i32 0, ptr %3, align 4, !tbaa !10
  %4 = getelementptr inbounds i8, ptr %0, i64 344
  store i32 0, ptr %4, align 4, !tbaa !11
  store <4 x i32> <i32 1732584193, i32 -271733879, i32 -1732584194, i32 271733878>, ptr %0, align 4, !tbaa !12
  %5 = getelementptr inbounds i8, ptr %0, i64 16
  store i32 -1009589776, ptr %5, align 4, !tbaa !12
  %6 = getelementptr inbounds i8, ptr %0, i64 20
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 4 dereferenceable(320) %6, i8 0, i64 320, i1 false), !tbaa !12
  ret void
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #1

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" }
attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: write) }

!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, !9, i64 340}
!6 = !{!"", !7, i64 0, !7, i64 20, !9, i64 340, !9, i64 344, !9, i64 348}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!"int", !7, i64 0}
!10 = !{!6, !9, i64 348}
!11 = !{!6, !9, i64 344}
!12 = !{!9, !9, i64 0}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LICMPass,LoopIdiomRecognizePass,LoopRotatePass,PostOrderFunctionAttrsPass,SLPVectorizerPass,SROAPass,SimplifyCFGPass,TailCallElimPass