; LLVM IR from cornell-zhang/rosetta :: optical-flow/imageLib/Image.ll (ZN6CImage11SetDefaultsEv)

; 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.CImage = type <{ %struct.CImageAttributes, %struct.CShape, [4 x i8], ptr, i32, i32, i32, [4 x i8], ptr, %class.CRefCntMem, i32, [4 x i8] }>
%struct.CImageAttributes = type { i32, [2 x i32], i32 }
%struct.CShape = type { i32, i32, i32 }
%class.CRefCntMem = type { ptr }

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN6CImage11SetDefaultsEv(ptr noundef nonnull align 8 dereferenceable(76) %0) #0 align 2 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8
  %4 = getelementptr inbounds %class.CImage, ptr %3, i32 0, i32 3
  store ptr null, ptr %4, align 8, !tbaa !9
  %5 = getelementptr inbounds %class.CImage, ptr %3, i32 0, i32 4
  store i32 0, ptr %5, align 8, !tbaa !16
  %6 = getelementptr inbounds %class.CImage, ptr %3, i32 0, i32 5
  store i32 0, ptr %6, align 4, !tbaa !17
  %7 = getelementptr inbounds %class.CImage, ptr %3, i32 0, i32 6
  store i32 0, ptr %7, align 8, !tbaa !18
  %8 = getelementptr inbounds %class.CImage, ptr %3, i32 0, i32 8
  store ptr null, ptr %8, align 8, !tbaa !19
  %9 = getelementptr inbounds %class.CImage, ptr %3, i32 0, i32 10
  store i32 3, ptr %9, align 8, !tbaa !20
  %10 = getelementptr inbounds %class.CImage, ptr %3, i32 0, i32 10
  store i32 3, ptr %10, align 8, !tbaa !20
  %11 = getelementptr inbounds %struct.CImageAttributes, ptr %3, i32 0, i32 1
  %12 = getelementptr inbounds [2 x i32], ptr %11, i64 0, i64 0
  store i32 0, ptr %12, align 4, !tbaa !21
  %13 = getelementptr inbounds %struct.CImageAttributes, ptr %3, i32 0, i32 1
  %14 = getelementptr inbounds [2 x i32], ptr %13, i64 0, i64 1
  store i32 0, ptr %14, align 4, !tbaa !21
  %15 = getelementptr inbounds %struct.CImageAttributes, ptr %3, i32 0, i32 2
  store i32 1, ptr %15, align 4, !tbaa !22
  ret void
}

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" }

!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, !6, i64 32}
!10 = !{!"_ZTS6CImage", !11, i64 0, !14, i64 16, !6, i64 32, !12, i64 40, !12, i64 44, !12, i64 48, !6, i64 56, !15, i64 64, !12, i64 72}
!11 = !{!"_ZTS16CImageAttributes", !12, i64 0, !7, i64 4, !13, i64 12}
!12 = !{!"int", !7, i64 0}
!13 = !{!"_ZTS11EBorderMode", !7, i64 0}
!14 = !{!"_ZTS6CShape", !12, i64 0, !12, i64 4, !12, i64 8}
!15 = !{!"_ZTS10CRefCntMem", !6, i64 0}
!16 = !{!10, !12, i64 40}
!17 = !{!10, !12, i64 44}
!18 = !{!10, !12, i64 48}
!19 = !{!10, !6, i64 56}
!20 = !{!10, !12, i64 72}
!21 = !{!12, !12, i64 0}
!22 = !{!11, !13, i64 12}


; 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(argmem: write) uwtable
define dso_local void @_ZN6CImage11SetDefaultsEv(ptr nocapture noundef nonnull writeonly align 8 dereferenceable(76) %0) local_unnamed_addr #0 align 2 {
  %2 = getelementptr inbounds i8, ptr %0, i64 32
  %3 = getelementptr inbounds i8, ptr %0, i64 56
  store ptr null, ptr %3, align 8, !tbaa !5
  %4 = getelementptr inbounds i8, ptr %0, i64 72
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(20) %2, i8 0, i64 20, i1 false)
  store i32 3, ptr %4, align 8, !tbaa !15
  %5 = getelementptr inbounds i8, ptr %0, i64 4
  store i32 0, ptr %5, align 4, !tbaa !16
  %6 = getelementptr inbounds i8, ptr %0, i64 8
  store i32 0, ptr %6, align 8, !tbaa !16
  %7 = getelementptr inbounds i8, ptr %0, i64 12
  store i32 1, ptr %7, align 4, !tbaa !17
  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 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 = { 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, !13, i64 56}
!6 = !{!"_ZTS6CImage", !7, i64 0, !12, i64 16, !13, i64 32, !8, i64 40, !8, i64 44, !8, i64 48, !13, i64 56, !14, i64 64, !8, i64 72}
!7 = !{!"_ZTS16CImageAttributes", !8, i64 0, !9, i64 4, !11, i64 12}
!8 = !{!"int", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C++ TBAA"}
!11 = !{!"_ZTS11EBorderMode", !9, i64 0}
!12 = !{!"_ZTS6CShape", !8, i64 0, !8, i64 4, !8, i64 8}
!13 = !{!"any pointer", !9, i64 0}
!14 = !{!"_ZTS10CRefCntMem", !13, i64 0}
!15 = !{!6, !8, i64 72}
!16 = !{!8, !8, i64 0}
!17 = !{!7, !11, i64 12}


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