; LLVM IR from Overload-Technologies/Overload :: Dependencies/soloud/src/core/soloud_file.ll (ZN6SoLoud10MemoryFile4readEPhj)

; 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.SoLoud::MemoryFile" = type <{ %"class.SoLoud::File", ptr, i32, i32, i8, [7 x i8] }>
%"class.SoLoud::File" = type { ptr }

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef i32 @_ZN6SoLoud10MemoryFile4readEPhj(ptr noundef nonnull align 8 dereferenceable(25) %0, ptr noundef %1, i32 noundef %2) unnamed_addr #0 align 2 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store i32 %2, ptr %6, align 4, !tbaa !9
  %7 = load ptr, ptr %4, align 8
  %8 = getelementptr inbounds %"class.SoLoud::MemoryFile", ptr %7, i32 0, i32 3
  %9 = load i32, ptr %8, align 4, !tbaa !11
  %10 = load i32, ptr %6, align 4, !tbaa !9
  %11 = add i32 %9, %10
  %12 = getelementptr inbounds %"class.SoLoud::MemoryFile", ptr %7, i32 0, i32 2
  %13 = load i32, ptr %12, align 8, !tbaa !15
  %14 = icmp uge i32 %11, %13
  br i1 %14, label %15, label %21

15:                                               ; preds = %3
  %16 = getelementptr inbounds %"class.SoLoud::MemoryFile", ptr %7, i32 0, i32 2
  %17 = load i32, ptr %16, align 8, !tbaa !15
  %18 = getelementptr inbounds %"class.SoLoud::MemoryFile", ptr %7, i32 0, i32 3
  %19 = load i32, ptr %18, align 4, !tbaa !11
  %20 = sub i32 %17, %19
  store i32 %20, ptr %6, align 4, !tbaa !9
  br label %21

21:                                               ; preds = %15, %3
  %22 = load ptr, ptr %5, align 8, !tbaa !5
  %23 = getelementptr inbounds %"class.SoLoud::MemoryFile", ptr %7, i32 0, i32 1
  %24 = load ptr, ptr %23, align 8, !tbaa !16
  %25 = getelementptr inbounds %"class.SoLoud::MemoryFile", ptr %7, i32 0, i32 3
  %26 = load i32, ptr %25, align 4, !tbaa !11
  %27 = zext i32 %26 to i64
  %28 = getelementptr inbounds i8, ptr %24, i64 %27
  %29 = load i32, ptr %6, align 4, !tbaa !9
  %30 = zext i32 %29 to i64
  call void @llvm.memcpy.p0.p0.i64(ptr align 1 %22, ptr align 1 %28, i64 %30, i1 false)
  %31 = load i32, ptr %6, align 4, !tbaa !9
  %32 = getelementptr inbounds %"class.SoLoud::MemoryFile", ptr %7, i32 0, i32 3
  %33 = load i32, ptr %32, align 4, !tbaa !11
  %34 = add i32 %33, %31
  store i32 %34, ptr %32, align 4, !tbaa !11
  %35 = load i32, ptr %6, align 4, !tbaa !9
  ret i32 %35
}

; 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

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: readwrite) }

!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 = !{!12, !10, i64 20}
!12 = !{!"_ZTSN6SoLoud10MemoryFileE", !13, i64 0, !6, i64 8, !10, i64 16, !10, i64 20, !14, i64 24}
!13 = !{!"_ZTSN6SoLoud4FileE"}
!14 = !{!"bool", !7, i64 0}
!15 = !{!12, !10, i64 16}
!16 = !{!12, !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"

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(readwrite, inaccessiblemem: none) uwtable
define dso_local noundef i32 @_ZN6SoLoud10MemoryFile4readEPhj(ptr nocapture noundef nonnull align 8 dereferenceable(25) %0, ptr nocapture noundef writeonly %1, i32 noundef %2) unnamed_addr #0 align 2 {
  %4 = getelementptr inbounds i8, ptr %0, i64 20
  %5 = load i32, ptr %4, align 4, !tbaa !5
  %6 = add i32 %5, %2
  %7 = getelementptr inbounds i8, ptr %0, i64 16
  %8 = load i32, ptr %7, align 8, !tbaa !13
  %.not = icmp ult i32 %6, %8
  %9 = sub i32 %8, %5
  %spec.select = select i1 %.not, i32 %2, i32 %9
  %10 = getelementptr inbounds i8, ptr %0, i64 8
  %11 = load ptr, ptr %10, align 8, !tbaa !14
  %12 = zext i32 %5 to i64
  %13 = getelementptr inbounds i8, ptr %11, i64 %12
  %14 = zext i32 %spec.select to i64
  tail call void @llvm.memcpy.p0.p0.i64(ptr align 1 %1, ptr align 1 %13, i64 %14, i1 false)
  %15 = load i32, ptr %4, align 4, !tbaa !5
  %16 = add i32 %15, %spec.select
  store i32 %16, ptr %4, align 4, !tbaa !5
  ret i32 %spec.select
}

; Function Attrs: mustprogress 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

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(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: readwrite) }

!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, !11, i64 20}
!6 = !{!"_ZTSN6SoLoud10MemoryFileE", !7, i64 0, !8, i64 8, !11, i64 16, !11, i64 20, !12, i64 24}
!7 = !{!"_ZTSN6SoLoud4FileE"}
!8 = !{!"any pointer", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C++ TBAA"}
!11 = !{!"int", !9, i64 0}
!12 = !{!"bool", !9, i64 0}
!13 = !{!6, !11, i64 16}
!14 = !{!6, !8, i64 8}


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