; LLVM IR from wgtdkp/wgtcc :: test/data-structure (test)

; 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"

%struct.vec_t = type { i32, i32, i32, ptr }

; 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) #0

; Function Attrs: nounwind uwtable
define dso_local void @vec_copy(ptr dead_on_unwind noalias writable sret(%struct.vec_t) align 8 %0, ptr noundef %1) #1 {
  %3 = alloca ptr, align 8
  store ptr %1, ptr %3, align 8, !tbaa !5
  %4 = load ptr, ptr %3, align 8, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %0, ptr align 8 %4, i64 24, i1 false), !tbaa.struct !9
  %5 = getelementptr inbounds %struct.vec_t, ptr %0, i32 0, i32 3
  %6 = load ptr, ptr %5, align 8, !tbaa !12
  %7 = load ptr, ptr %3, align 8, !tbaa !5
  %8 = getelementptr inbounds %struct.vec_t, ptr %7, i32 0, i32 3
  %9 = load ptr, ptr %8, align 8, !tbaa !12
  %10 = load ptr, ptr %3, align 8, !tbaa !5
  %11 = getelementptr inbounds %struct.vec_t, ptr %10, i32 0, i32 1
  %12 = load i32, ptr %11, align 4, !tbaa !14
  %13 = load ptr, ptr %3, align 8, !tbaa !5
  %14 = getelementptr inbounds %struct.vec_t, ptr %13, i32 0, i32 0
  %15 = load i32, ptr %14, align 8, !tbaa !15
  %16 = mul nsw i32 %12, %15
  %17 = sext i32 %16 to i64
  call void @llvm.memcpy.p0.p0.i64(ptr align 1 %6, ptr align 1 %9, i64 %17, i1 false)
  ret void
}

attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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/C++ TBAA"}
!9 = !{i64 0, i64 4, !10, i64 4, i64 4, !10, i64 8, i64 4, !10, i64 16, i64 8, !5}
!10 = !{!11, !11, i64 0}
!11 = !{!"int", !7, i64 0}
!12 = !{!13, !6, i64 16}
!13 = !{!"", !11, i64 0, !11, i64 4, !11, i64 8, !6, i64 16}
!14 = !{!13, !11, i64 4}
!15 = !{!13, !11, i64 0}


; 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"

%struct.vec_t = type { i32, i32, i32, ptr }

; 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) #0

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(readwrite, inaccessiblemem: none) uwtable
define dso_local void @vec_copy(ptr dead_on_unwind noalias nocapture writable sret(%struct.vec_t) align 8 %0, ptr nocapture noundef readonly %1) local_unnamed_addr #1 {
  tail call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %1, i64 24, i1 false), !tbaa.struct !5
  %3 = getelementptr inbounds i8, ptr %0, i64 16
  %4 = load ptr, ptr %3, align 8, !tbaa !12
  %5 = getelementptr inbounds i8, ptr %1, i64 16
  %6 = load ptr, ptr %5, align 8, !tbaa !12
  %7 = getelementptr inbounds i8, ptr %1, i64 4
  %8 = load i32, ptr %7, align 4, !tbaa !14
  %9 = load i32, ptr %1, align 8, !tbaa !15
  %10 = mul nsw i32 %9, %8
  %11 = sext i32 %10 to i64
  tail call void @llvm.memcpy.p0.p0.i64(ptr align 1 %4, ptr align 1 %6, i64 %11, i1 false)
  ret void
}

attributes #0 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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" }

!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 = !{i64 0, i64 4, !6, i64 4, i64 4, !6, i64 8, i64 4, !6, i64 16, i64 8, !10}
!6 = !{!7, !7, i64 0}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!11, !11, i64 0}
!11 = !{!"any pointer", !8, i64 0}
!12 = !{!13, !11, i64 16}
!13 = !{!"", !7, i64 0, !7, i64 4, !7, i64 8, !11, i64 16}
!14 = !{!13, !7, i64 4}
!15 = !{!13, !7, i64 0}


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