; LLVM IR from NVIDIA/DALI :: dali/pipeline/operator/op_schema.ll (ZN4dali8OpSchema11InputLayoutEiNS_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 @_ZN4dali8OpSchema11InputLayoutEiNS_12TensorLayoutE(ptr noundef nonnull align 8 dereferenceable(608) %0, i32 noundef %1, i64 %2, i64 %3) #2 align 2 {
  %5 = alloca %"class.dali::TensorLayout", align 1
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca %"class.std::initializer_list.68", align 8
  %9 = alloca [1 x %"class.dali::TensorLayout"], align 1
  %10 = getelementptr inbounds { i64, i64 }, ptr %5, i32 0, i32 0
  store i64 %2, ptr %10, align 1
  %11 = getelementptr inbounds { i64, i64 }, ptr %5, i32 0, i32 1
  store i64 %3, ptr %11, align 1
  store ptr %0, ptr %6, align 8, !tbaa !5
  store i32 %1, ptr %7, align 4, !tbaa !9
  %12 = load ptr, ptr %6, align 8
  %13 = load i32, ptr %7, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 16, ptr %9) #3
  call void @llvm.memcpy.p0.p0.i64(ptr align 1 %9, ptr align 1 %5, i64 16, i1 false), !tbaa.struct !11
  %14 = getelementptr inbounds %"class.std::initializer_list.68", ptr %8, i32 0, i32 0
  store ptr %9, ptr %14, align 8, !tbaa !13
  %15 = getelementptr inbounds %"class.std::initializer_list.68", ptr %8, i32 0, i32 1
  store i64 1, ptr %15, align 8, !tbaa !16
  %16 = getelementptr inbounds { ptr, i64 }, ptr %8, i32 0, i32 0
  %17 = load ptr, ptr %16, align 8
  %18 = getelementptr inbounds { ptr, i64 }, ptr %8, i32 0, i32 1
  %19 = load i64, ptr %18, align 8
  %20 = call noundef nonnull align 8 dereferenceable(608) ptr @_ZN4dali8OpSchema11InputLayoutEiSt16initializer_listINS_12TensorLayoutEE(ptr noundef nonnull align 8 dereferenceable(608) %12, i32 noundef %13, ptr %17, i64 %19)
  call void @llvm.lifetime.end.p0(i64 16, ptr %9) #3
  ret ptr %20
}

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(608) ptr @_ZN4dali8OpSchema11InputLayoutEiSt16initializer_listINS_12TensorLayoutEE(ptr noundef nonnull align 8 dereferenceable(608), i32 noundef, 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 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{i64 0, i64 16, !12}
!12 = !{!7, !7, i64 0}
!13 = !{!14, !6, i64 0}
!14 = !{!"_ZTSSt16initializer_listIN4dali12TensorLayoutEE", !6, i64 0, !15, i64 8}
!15 = !{!"long", !7, i64 0}
!16 = !{!14, !15, 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 @_ZN4dali8OpSchema11InputLayoutEiNS_12TensorLayoutE(ptr noundef nonnull align 8 dereferenceable(608) %0, i32 noundef %1, i64 %2, i64 %3) local_unnamed_addr #1 align 2 {
  %5 = alloca [1 x %"class.dali::TensorLayout"], align 8
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %5) #2
  store i64 %2, ptr %5, align 8
  %.sroa.22.0..sroa_idx = getelementptr inbounds i8, ptr %5, i64 8
  store i64 %3, ptr %.sroa.22.0..sroa_idx, align 8, !tbaa !5
  %6 = call noundef nonnull align 8 dereferenceable(608) ptr @_ZN4dali8OpSchema11InputLayoutEiSt16initializer_listINS_12TensorLayoutEE(ptr noundef nonnull align 8 dereferenceable(608) %0, i32 noundef %1, ptr nonnull %5, i64 1)
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %5) #2
  ret ptr %6
}

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(608) ptr @_ZN4dali8OpSchema11InputLayoutEiSt16initializer_listINS_12TensorLayoutEE(ptr noundef nonnull align 8 dereferenceable(608), i32 noundef, 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