; LLVM IR from microsoft/X-Mem :: src/Runnable.ll (ZN4xmem8RunnableC2Ev)

; 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"

%"class.xmem::Runnable" = type { ptr, %union.pthread_mutex_t }
%union.pthread_mutex_t = type { %struct.__pthread_mutex_s }
%struct.__pthread_mutex_s = type { i32, i32, i32, i32, i32, i16, i16, %struct.__pthread_internal_list }
%struct.__pthread_internal_list = type { ptr, ptr }

@_ZTVN4xmem8RunnableE = external dso_local unnamed_addr constant { [3 x ptr] }, align 8

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN4xmem8RunnableC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %0) unnamed_addr #0 align 2 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8
  store ptr getelementptr inbounds inrange(-16, 8) ({ [3 x ptr] }, ptr @_ZTVN4xmem8RunnableE, i32 0, i32 0, i32 2), ptr %3, align 8, !tbaa !9
  %4 = getelementptr inbounds %"class.xmem::Runnable", ptr %3, i32 0, i32 1
  call void @llvm.memset.p0.i64(ptr align 8 %4, i8 0, i64 40, i1 false)
  %5 = getelementptr inbounds %struct.__pthread_mutex_s, ptr %4, i32 0, i32 0
  %6 = getelementptr inbounds %struct.__pthread_mutex_s, ptr %4, i32 0, i32 1
  %7 = getelementptr inbounds %struct.__pthread_mutex_s, ptr %4, i32 0, i32 2
  %8 = getelementptr inbounds %struct.__pthread_mutex_s, ptr %4, i32 0, i32 3
  %9 = getelementptr inbounds %struct.__pthread_mutex_s, ptr %4, i32 0, i32 4
  store i32 0, ptr %9, align 8, !tbaa !11
  %10 = getelementptr inbounds %struct.__pthread_mutex_s, ptr %4, i32 0, i32 5
  %11 = getelementptr inbounds %struct.__pthread_mutex_s, ptr %4, i32 0, i32 6
  %12 = getelementptr inbounds %struct.__pthread_mutex_s, ptr %4, i32 0, i32 7
  %13 = getelementptr inbounds %struct.__pthread_internal_list, ptr %12, i32 0, i32 0
  %14 = getelementptr inbounds %struct.__pthread_internal_list, ptr %12, i32 0, i32 1
  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 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 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"vtable pointer", !8, i64 0}
!11 = !{!12, !13, i64 16}
!12 = !{!"_ZTS17__pthread_mutex_s", !13, i64 0, !13, i64 4, !13, i64 8, !13, i64 12, !13, i64 16, !14, i64 20, !14, i64 22, !15, i64 24}
!13 = !{!"int", !7, i64 0}
!14 = !{!"short", !7, i64 0}
!15 = !{!"_ZTS23__pthread_internal_list", !6, i64 0, !6, 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"

@_ZTVN4xmem8RunnableE = external dso_local unnamed_addr constant { [3 x ptr] }, align 8

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) uwtable
define dso_local void @_ZN4xmem8RunnableC2Ev(ptr nocapture noundef nonnull writeonly align 8 dereferenceable(48) %0) unnamed_addr #0 align 2 {
  store ptr getelementptr inbounds inrange(-16, 8) (i8, ptr @_ZTVN4xmem8RunnableE, i64 16), ptr %0, align 8, !tbaa !5
  %2 = getelementptr inbounds i8, ptr %0, i64 8
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(40) %2, i8 0, i64 40, i1 false)
  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(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 = { 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, !6, i64 0}
!6 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}


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