; LLVM IR from ros2/rcutils :: src (sha256)

; 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.rcutils_sha256_ctx_s = type { [64 x i8], i64, i64, [8 x i32] }

; Function Attrs: nounwind uwtable
define dso_local void @rcutils_sha256_init(ptr noundef %0) #0 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %4 = getelementptr inbounds %struct.rcutils_sha256_ctx_s, ptr %3, i32 0, i32 1
  store i64 0, ptr %4, align 8, !tbaa !9
  %5 = load ptr, ptr %2, align 8, !tbaa !5
  %6 = getelementptr inbounds %struct.rcutils_sha256_ctx_s, ptr %5, i32 0, i32 2
  store i64 0, ptr %6, align 8, !tbaa !12
  %7 = load ptr, ptr %2, align 8, !tbaa !5
  %8 = getelementptr inbounds %struct.rcutils_sha256_ctx_s, ptr %7, i32 0, i32 3
  %9 = getelementptr inbounds [8 x i32], ptr %8, i64 0, i64 0
  store i32 1779033703, ptr %9, align 8, !tbaa !13
  %10 = load ptr, ptr %2, align 8, !tbaa !5
  %11 = getelementptr inbounds %struct.rcutils_sha256_ctx_s, ptr %10, i32 0, i32 3
  %12 = getelementptr inbounds [8 x i32], ptr %11, i64 0, i64 1
  store i32 -1150833019, ptr %12, align 4, !tbaa !13
  %13 = load ptr, ptr %2, align 8, !tbaa !5
  %14 = getelementptr inbounds %struct.rcutils_sha256_ctx_s, ptr %13, i32 0, i32 3
  %15 = getelementptr inbounds [8 x i32], ptr %14, i64 0, i64 2
  store i32 1013904242, ptr %15, align 8, !tbaa !13
  %16 = load ptr, ptr %2, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct.rcutils_sha256_ctx_s, ptr %16, i32 0, i32 3
  %18 = getelementptr inbounds [8 x i32], ptr %17, i64 0, i64 3
  store i32 -1521486534, ptr %18, align 4, !tbaa !13
  %19 = load ptr, ptr %2, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.rcutils_sha256_ctx_s, ptr %19, i32 0, i32 3
  %21 = getelementptr inbounds [8 x i32], ptr %20, i64 0, i64 4
  store i32 1359893119, ptr %21, align 8, !tbaa !13
  %22 = load ptr, ptr %2, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.rcutils_sha256_ctx_s, ptr %22, i32 0, i32 3
  %24 = getelementptr inbounds [8 x i32], ptr %23, i64 0, i64 5
  store i32 -1694144372, ptr %24, align 4, !tbaa !13
  %25 = load ptr, ptr %2, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.rcutils_sha256_ctx_s, ptr %25, i32 0, i32 3
  %27 = getelementptr inbounds [8 x i32], ptr %26, i64 0, i64 6
  store i32 528734635, ptr %27, align 8, !tbaa !13
  %28 = load ptr, ptr %2, align 8, !tbaa !5
  %29 = getelementptr inbounds %struct.rcutils_sha256_ctx_s, ptr %28, i32 0, i32 3
  %30 = getelementptr inbounds [8 x i32], ptr %29, i64 0, i64 7
  store i32 1541459225, ptr %30, align 4, !tbaa !13
  ret void
}

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 = !{!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 64}
!10 = !{!"rcutils_sha256_ctx_s", !7, i64 0, !11, i64 64, !11, i64 72, !7, i64 80}
!11 = !{!"long", !7, i64 0}
!12 = !{!10, !11, i64 72}
!13 = !{!14, !14, i64 0}
!14 = !{!"int", !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: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) uwtable
define dso_local void @rcutils_sha256_init(ptr nocapture noundef writeonly %0) local_unnamed_addr #0 {
  %2 = getelementptr inbounds i8, ptr %0, i64 64
  %3 = getelementptr inbounds i8, ptr %0, i64 80
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %2, i8 0, i64 16, i1 false)
  store <4 x i32> <i32 1779033703, i32 -1150833019, i32 1013904242, i32 -1521486534>, ptr %3, align 8, !tbaa !5
  %4 = getelementptr inbounds i8, ptr %0, i64 96
  store <4 x i32> <i32 1359893119, i32 -1694144372, i32 528734635, i32 1541459225>, ptr %4, align 8, !tbaa !5
  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, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


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