; LLVM IR from Aeternum-Veritas/Merry :: merry (merry_request_queue)

; 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.MerryOSRequest = type { i64, ptr, i64, i8, i8, i64 }
%struct.MerryRequestQueue = type { i64, i64, ptr, ptr }
%struct.MerryRequestNode = type { %struct.MerryOSRequest, ptr }

; 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: 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) #1

; Function Attrs: nounwind uwtable
define dso_local void @merry_panic_push(ptr noundef %0, i64 noundef %1) #2 {
  %3 = alloca ptr, align 8
  %4 = alloca i64, align 8
  %5 = alloca %struct.MerryOSRequest, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i64 %1, ptr %4, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 40, ptr %5) #4
  call void @llvm.memset.p0.i64(ptr align 8 %5, i8 0, i64 40, i1 false)
  %6 = getelementptr inbounds %struct.MerryOSRequest, ptr %5, i32 0, i32 0
  %7 = load i64, ptr %4, align 8, !tbaa !9
  store i64 %7, ptr %6, align 8, !tbaa !11
  %8 = getelementptr inbounds %struct.MerryOSRequest, ptr %5, i32 0, i32 1
  %9 = getelementptr inbounds %struct.MerryOSRequest, ptr %5, i32 0, i32 2
  %10 = getelementptr inbounds %struct.MerryOSRequest, ptr %5, i32 0, i32 3
  %11 = getelementptr inbounds %struct.MerryOSRequest, ptr %5, i32 0, i32 4
  %12 = getelementptr inbounds %struct.MerryOSRequest, ptr %5, i32 0, i32 5
  br label %13

13:                                               ; preds = %2
  %14 = load ptr, ptr %3, align 8, !tbaa !5
  %15 = getelementptr inbounds %struct.MerryRequestQueue, ptr %14, i32 0, i32 2
  %16 = load ptr, ptr %15, align 8, !tbaa !13
  %17 = getelementptr inbounds %struct.MerryRequestNode, ptr %16, i32 0, i32 0
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %17, ptr align 8 %5, i64 40, i1 false), !tbaa.struct !15
  br label %18

18:                                               ; preds = %13
  br label %19

19:                                               ; preds = %18
  %20 = load ptr, ptr %3, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct.MerryRequestQueue, ptr %20, i32 0, i32 1
  %22 = load i64, ptr %21, align 8, !tbaa !17
  %23 = add i64 %22, 1
  store i64 %23, ptr %21, align 8, !tbaa !17
  call void @llvm.lifetime.end.p0(i64 40, ptr %5) #4
  ret void
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #4 = { 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 = !{!"long", !7, i64 0}
!11 = !{!12, !10, i64 0}
!12 = !{!"MerryOSRequest", !10, i64 0, !6, i64 8, !10, i64 16, !7, i64 24, !7, i64 25, !10, i64 32}
!13 = !{!14, !6, i64 16}
!14 = !{!"MerryRequestQueue", !10, i64 0, !10, i64 8, !6, i64 16, !6, i64 24}
!15 = !{i64 0, i64 8, !9, i64 8, i64 8, !5, i64 16, i64 8, !9, i64 24, i64 1, !16, i64 25, i64 1, !16, i64 32, i64 8, !9}
!16 = !{!7, !7, i64 0}
!17 = !{!14, !10, i64 8}


; 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(write, argmem: readwrite, inaccessiblemem: none) uwtable
define dso_local void @merry_panic_push(ptr nocapture noundef %0, i64 noundef %1) local_unnamed_addr #0 {
  %3 = getelementptr inbounds i8, ptr %0, i64 16
  %4 = load ptr, ptr %3, align 8, !tbaa !5
  store i64 %1, ptr %4, align 8, !tbaa !11
  %.sroa.5.0..sroa_idx = getelementptr inbounds i8, ptr %4, i64 8
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(32) %.sroa.5.0..sroa_idx, i8 0, i64 32, i1 false)
  %5 = getelementptr inbounds i8, ptr %0, i64 8
  %6 = load i64, ptr %5, align 8, !tbaa !12
  %7 = add i64 %6, 1
  store i64 %7, ptr %5, align 8, !tbaa !12
  ret void
}

; Function Attrs: mustprogress 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(write, argmem: readwrite, inaccessiblemem: none) 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 = { mustprogress 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, !10, i64 16}
!6 = !{!"MerryRequestQueue", !7, i64 0, !7, i64 8, !10, i64 16, !10, i64 24}
!7 = !{!"long", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!7, !7, i64 0}
!12 = !{!6, !7, i64 8}


; Effective O3 passes: CorrelatedValuePropagationPass,DSEPass,EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,MemCpyOptPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass