; LLVM IR from microsoft/X-Mem :: src/LoadWorker.ll (ZN4xmem10LoadWorkerC2EPvmPFiPmPS2_mES5_i)

; 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::LoadWorker" = type { %"class.xmem::MemoryWorker.base", i8, ptr, ptr, ptr, ptr }
%"class.xmem::MemoryWorker.base" = type <{ %"class.xmem::Runnable", ptr, i64, i32, i32, i32, [4 x i8], i64, i64, i64, i8, i8 }>
%"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 }

@_ZTVN4xmem10LoadWorkerE = external dso_local unnamed_addr constant { [5 x ptr] }, align 8

declare void @_ZN4xmem12MemoryWorkerC2EPvmi(ptr noundef nonnull align 8 dereferenceable(106), ptr noundef, i64 noundef, i32 noundef) unnamed_addr #0

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN4xmem10LoadWorkerC2EPvmPFiPmPS2_mES5_i(ptr noundef nonnull align 8 dereferenceable(144) %0, ptr noundef %1, i64 noundef %2, ptr noundef %3, ptr noundef %4, i32 noundef %5) unnamed_addr #1 align 2 {
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i64, align 8
  %10 = alloca ptr, align 8
  %11 = alloca ptr, align 8
  %12 = alloca i32, align 4
  store ptr %0, ptr %7, align 8, !tbaa !5
  store ptr %1, ptr %8, align 8, !tbaa !5
  store i64 %2, ptr %9, align 8, !tbaa !9
  store ptr %3, ptr %10, align 8, !tbaa !5
  store ptr %4, ptr %11, align 8, !tbaa !5
  store i32 %5, ptr %12, align 4, !tbaa !11
  %13 = load ptr, ptr %7, align 8
  %14 = load ptr, ptr %8, align 8, !tbaa !5
  %15 = load i64, ptr %9, align 8, !tbaa !9
  %16 = load i32, ptr %12, align 4, !tbaa !11
  call void @_ZN4xmem12MemoryWorkerC2EPvmi(ptr noundef nonnull align 8 dereferenceable(106) %13, ptr noundef %14, i64 noundef %15, i32 noundef %16)
  store ptr getelementptr inbounds inrange(-16, 24) ({ [5 x ptr] }, ptr @_ZTVN4xmem10LoadWorkerE, i32 0, i32 0, i32 2), ptr %13, align 8, !tbaa !13
  %17 = getelementptr inbounds %"class.xmem::LoadWorker", ptr %13, i32 0, i32 1
  store i8 0, ptr %17, align 2, !tbaa !15
  %18 = getelementptr inbounds %"class.xmem::LoadWorker", ptr %13, i32 0, i32 2
  store ptr null, ptr %18, align 8, !tbaa !20
  %19 = getelementptr inbounds %"class.xmem::LoadWorker", ptr %13, i32 0, i32 3
  store ptr null, ptr %19, align 8, !tbaa !21
  %20 = getelementptr inbounds %"class.xmem::LoadWorker", ptr %13, i32 0, i32 4
  %21 = load ptr, ptr %10, align 8, !tbaa !5
  store ptr %21, ptr %20, align 8, !tbaa !22
  %22 = getelementptr inbounds %"class.xmem::LoadWorker", ptr %13, i32 0, i32 5
  %23 = load ptr, ptr %11, align 8, !tbaa !5
  store ptr %23, ptr %22, align 8, !tbaa !23
  ret void
}

attributes #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 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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"vtable pointer", !8, i64 0}
!15 = !{!16, !19, i64 106}
!16 = !{!"_ZTSN4xmem10LoadWorkerE", !17, i64 0, !19, i64 106, !6, i64 112, !6, i64 120, !6, i64 128, !6, i64 136}
!17 = !{!"_ZTSN4xmem12MemoryWorkerE", !18, i64 0, !6, i64 48, !10, i64 56, !12, i64 64, !12, i64 68, !12, i64 72, !10, i64 80, !10, i64 88, !10, i64 96, !19, i64 104, !19, i64 105}
!18 = !{!"_ZTSN4xmem8RunnableE", !7, i64 8}
!19 = !{!"bool", !7, i64 0}
!20 = !{!16, !6, i64 112}
!21 = !{!16, !6, i64 120}
!22 = !{!16, !6, i64 128}
!23 = !{!16, !6, i64 136}


; 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"

@_ZTVN4xmem10LoadWorkerE = external dso_local unnamed_addr constant { [5 x ptr] }, align 8

declare void @_ZN4xmem12MemoryWorkerC2EPvmi(ptr noundef nonnull align 8 dereferenceable(106), ptr noundef, i64 noundef, i32 noundef) unnamed_addr #0

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN4xmem10LoadWorkerC2EPvmPFiPmPS2_mES5_i(ptr noundef nonnull align 8 dereferenceable(144) %0, ptr noundef %1, i64 noundef %2, ptr noundef %3, ptr noundef %4, i32 noundef %5) unnamed_addr #1 align 2 {
  tail call void @_ZN4xmem12MemoryWorkerC2EPvmi(ptr noundef nonnull align 8 dereferenceable(106) %0, ptr noundef %1, i64 noundef %2, i32 noundef %5)
  store ptr getelementptr inbounds inrange(-16, 24) (i8, ptr @_ZTVN4xmem10LoadWorkerE, i64 16), ptr %0, align 8, !tbaa !5
  %7 = getelementptr inbounds i8, ptr %0, i64 106
  store i8 0, ptr %7, align 2, !tbaa !8
  %8 = getelementptr inbounds i8, ptr %0, i64 112
  %9 = getelementptr inbounds i8, ptr %0, i64 128
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %8, i8 0, i64 16, i1 false)
  store ptr %3, ptr %9, align 8, !tbaa !17
  %10 = getelementptr inbounds i8, ptr %0, i64 136
  store ptr %4, ptr %10, align 8, !tbaa !18
  ret void
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #2

attributes #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 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 #2 = { 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"}
!8 = !{!9, !16, i64 106}
!9 = !{!"_ZTSN4xmem10LoadWorkerE", !10, i64 0, !16, i64 106, !13, i64 112, !13, i64 120, !13, i64 128, !13, i64 136}
!10 = !{!"_ZTSN4xmem12MemoryWorkerE", !11, i64 0, !13, i64 48, !14, i64 56, !15, i64 64, !15, i64 68, !15, i64 72, !14, i64 80, !14, i64 88, !14, i64 96, !16, i64 104, !16, i64 105}
!11 = !{!"_ZTSN4xmem8RunnableE", !12, i64 8}
!12 = !{!"omnipotent char", !7, i64 0}
!13 = !{!"any pointer", !12, i64 0}
!14 = !{!"long", !12, i64 0}
!15 = !{!"int", !12, i64 0}
!16 = !{!"bool", !12, i64 0}
!17 = !{!9, !13, i64 128}
!18 = !{!9, !13, i64 136}


; Effective O3 passes: InstCombinePass,MemCpyOptPass,SROAPass,TailCallElimPass