; LLVM IR from NVIDIA/DALI :: dali/pipeline/operator/op_schema.ll (ZN4dali8OpSchema11InputLayoutENS_12TensorLayoutE)

; 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.dali::TensorLayout" = type { [16 x i8] }
%"class.std::initializer_list.68" = type { ptr, i64 }

; 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: mustprogress uwtable
define dso_local noundef nonnull align 8 dereferenceable(608) ptr @_ZN4dali8OpSchema11InputLayoutENS_12TensorLayoutE(ptr noundef nonnull align 8 dereferenceable(608) %0, i64 %1, i64 %2) #2 align 2 {
  %4 = alloca %"class.dali::TensorLayout", align 1
  %5 = alloca ptr, align 8
  %6 = alloca %"class.std::initializer_list.68", align 8
  %7 = alloca [1 x %"class.dali::TensorLayout"], align 1
  %8 = getelementptr inbounds { i64, i64 }, ptr %4, i32 0, i32 0
  store i64 %1, ptr %8, align 1
  %9 = getelementptr inbounds { i64, i64 }, ptr %4, i32 0, i32 1
  store i64 %2, ptr %9, align 1
  store ptr %0, ptr %5, align 8, !tbaa !5
  %10 = load ptr, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 16, ptr %7) #3
  call void @llvm.memcpy.p0.p0.i64(ptr align 1 %7, ptr align 1 %4, i64 16, i1 false), !tbaa.struct !9
  %11 = getelementptr inbounds %"class.std::initializer_list.68", ptr %6, i32 0, i32 0
  store ptr %7, ptr %11, align 8, !tbaa !11
  %12 = getelementptr inbounds %"class.std::initializer_list.68", ptr %6, i32 0, i32 1
  store i64 1, ptr %12, align 8, !tbaa !14
  %13 = getelementptr inbounds { ptr, i64 }, ptr %6, i32 0, i32 0
  %14 = load ptr, ptr %13, align 8
  %15 = getelementptr inbounds { ptr, i64 }, ptr %6, i32 0, i32 1
  %16 = load i64, ptr %15, align 8
  %17 = call noundef nonnull align 8 dereferenceable(608) ptr @_ZN4dali8OpSchema11InputLayoutESt16initializer_listINS_12TensorLayoutEE(ptr noundef nonnull align 8 dereferenceable(608) %10, ptr %14, i64 %16)
  call void @llvm.lifetime.end.p0(i64 16, ptr %7) #3
  ret ptr %17
}

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(608) ptr @_ZN4dali8OpSchema11InputLayoutESt16initializer_listINS_12TensorLayoutEE(ptr noundef nonnull align 8 dereferenceable(608), ptr, i64) #2 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #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++ TBAA"}
!9 = !{i64 0, i64 16, !10}
!10 = !{!7, !7, i64 0}
!11 = !{!12, !6, i64 0}
!12 = !{!"_ZTSSt16initializer_listIN4dali12TensorLayoutEE", !6, i64 0, !13, i64 8}
!13 = !{!"long", !7, i64 0}
!14 = !{!12, !13, 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"

%"class.dali::TensorLayout" = type { [16 x i8] }

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
define dso_local noundef nonnull align 8 dereferenceable(608) ptr @_ZN4dali8OpSchema11InputLayoutENS_12TensorLayoutE(ptr noundef nonnull align 8 dereferenceable(608) %0, i64 %1, i64 %2) local_unnamed_addr #1 align 2 {
  %4 = alloca [1 x %"class.dali::TensorLayout"], align 8
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %4) #2
  store i64 %1, ptr %4, align 8
  %.sroa.22.0..sroa_idx = getelementptr inbounds i8, ptr %4, i64 8
  store i64 %2, ptr %.sroa.22.0..sroa_idx, align 8, !tbaa !5
  %5 = call noundef nonnull align 8 dereferenceable(608) ptr @_ZN4dali8OpSchema11InputLayoutESt16initializer_listINS_12TensorLayoutEE(ptr noundef nonnull align 8 dereferenceable(608) %0, ptr nonnull %4, i64 1)
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %4) #2
  ret ptr %5
}

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(608) ptr @_ZN4dali8OpSchema11InputLayoutESt16initializer_listINS_12TensorLayoutEE(ptr noundef nonnull align 8 dereferenceable(608), ptr, i64) local_unnamed_addr #1 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}


; Effective O3 passes: GlobalOptPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,SROAPass