; LLVM IR from godzilla-foundation/godzilla-community :: core/deps/nanomsg-1.1.5/src/transports/ws (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"

%union.anon = type { i32 }
%struct.nn_sha1 = type { [16 x i32], [5 x i32], i32, i8, i8 }

@__const.nn_sha1_init.test = external hidden unnamed_addr constant %union.anon, align 4

; Function Attrs: nounwind uwtable
define dso_local void @nn_sha1_init(ptr noundef %0) #0 {
  %2 = alloca ptr, align 8
  %3 = alloca %union.anon, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %3, ptr align 4 @__const.nn_sha1_init.test, i64 4, i1 false)
  %4 = getelementptr inbounds [4 x i8], ptr %3, i64 0, i64 0
  %5 = load i8, ptr %4, align 4, !tbaa !9
  %6 = load ptr, ptr %2, align 8, !tbaa !5
  %7 = getelementptr inbounds %struct.nn_sha1, ptr %6, i32 0, i32 4
  store i8 %5, ptr %7, align 1, !tbaa !10
  %8 = load ptr, ptr %2, align 8, !tbaa !5
  %9 = getelementptr inbounds %struct.nn_sha1, ptr %8, i32 0, i32 1
  %10 = getelementptr inbounds [5 x i32], ptr %9, i64 0, i64 0
  store i32 1732584193, ptr %10, align 4, !tbaa !13
  %11 = load ptr, ptr %2, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.nn_sha1, ptr %11, i32 0, i32 1
  %13 = getelementptr inbounds [5 x i32], ptr %12, i64 0, i64 1
  store i32 -271733879, ptr %13, align 4, !tbaa !13
  %14 = load ptr, ptr %2, align 8, !tbaa !5
  %15 = getelementptr inbounds %struct.nn_sha1, ptr %14, i32 0, i32 1
  %16 = getelementptr inbounds [5 x i32], ptr %15, i64 0, i64 2
  store i32 -1732584194, ptr %16, align 4, !tbaa !13
  %17 = load ptr, ptr %2, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct.nn_sha1, ptr %17, i32 0, i32 1
  %19 = getelementptr inbounds [5 x i32], ptr %18, i64 0, i64 3
  store i32 271733878, ptr %19, align 4, !tbaa !13
  %20 = load ptr, ptr %2, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct.nn_sha1, ptr %20, i32 0, i32 1
  %22 = getelementptr inbounds [5 x i32], ptr %21, i64 0, i64 4
  store i32 -1009589776, ptr %22, align 4, !tbaa !13
  %23 = load ptr, ptr %2, align 8, !tbaa !5
  %24 = getelementptr inbounds %struct.nn_sha1, ptr %23, i32 0, i32 2
  store i32 0, ptr %24, align 4, !tbaa !14
  %25 = load ptr, ptr %2, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.nn_sha1, ptr %25, i32 0, i32 3
  store i8 0, ptr %26, align 4, !tbaa !15
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #3
  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 nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2

; 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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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}
!10 = !{!11, !7, i64 89}
!11 = !{!"nn_sha1", !7, i64 0, !7, i64 64, !12, i64 84, !7, i64 88, !7, i64 89}
!12 = !{!"int", !7, i64 0}
!13 = !{!12, !12, i64 0}
!14 = !{!11, !12, i64 84}
!15 = !{!11, !7, i64 88}


; 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"

%union.anon = type { i32 }

@__const.nn_sha1_init.test = external hidden unnamed_addr constant %union.anon, align 4

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) uwtable
define dso_local void @nn_sha1_init(ptr nocapture noundef writeonly %0) local_unnamed_addr #0 {
  %.sroa.0.0.copyload = load i8, ptr @__const.nn_sha1_init.test, align 4
  %2 = getelementptr inbounds i8, ptr %0, i64 89
  store i8 %.sroa.0.0.copyload, ptr %2, align 1, !tbaa !5
  %3 = getelementptr inbounds i8, ptr %0, i64 64
  store <4 x i32> <i32 1732584193, i32 -271733879, i32 -1732584194, i32 271733878>, ptr %3, align 4, !tbaa !10
  %4 = getelementptr inbounds i8, ptr %0, i64 80
  store i32 -1009589776, ptr %4, align 4, !tbaa !10
  %5 = getelementptr inbounds i8, ptr %0, i64 84
  store i32 0, ptr %5, align 4, !tbaa !11
  %6 = getelementptr inbounds i8, ptr %0, i64 88
  store i8 0, ptr %6, align 4, !tbaa !12
  ret void
}

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, !7, i64 89}
!6 = !{!"nn_sha1", !7, i64 0, !7, i64 64, !9, i64 84, !7, i64 88, !7, i64 89}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!"int", !7, i64 0}
!10 = !{!9, !9, i64 0}
!11 = !{!6, !9, i64 84}
!12 = !{!6, !7, i64 88}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SLPVectorizerPass,SROAPass