; LLVM IR from matz/streem :: src (array)

; 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.strm_array = type { i32, ptr, i64, ptr }

; Function Attrs: nounwind uwtable
define dso_local i64 @strm_ary_new(ptr noundef %0, i32 noundef %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #5
  %7 = load i32, ptr %4, align 4, !tbaa !9
  %8 = sext i32 %7 to i64
  %9 = mul i64 8, %8
  %10 = add i64 32, %9
  %11 = call noalias ptr @malloc(i64 noundef %10) #6
  store ptr %11, ptr %5, align 8, !tbaa !5
  %12 = load ptr, ptr %5, align 8, !tbaa !5
  %13 = getelementptr inbounds %struct.strm_array, ptr %12, i64 1
  store ptr %13, ptr %6, align 8, !tbaa !5
  %14 = load ptr, ptr %3, align 8, !tbaa !5
  %15 = icmp ne ptr %14, null
  br i1 %15, label %16, label %22

16:                                               ; preds = %2
  %17 = load ptr, ptr %6, align 8, !tbaa !5
  %18 = load ptr, ptr %3, align 8, !tbaa !5
  %19 = load i32, ptr %4, align 4, !tbaa !9
  %20 = sext i32 %19 to i64
  %21 = mul i64 8, %20
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %17, ptr align 8 %18, i64 %21, i1 false)
  br label %27

22:                                               ; preds = %2
  %23 = load ptr, ptr %6, align 8, !tbaa !5
  %24 = load i32, ptr %4, align 4, !tbaa !9
  %25 = sext i32 %24 to i64
  %26 = mul i64 8, %25
  call void @llvm.memset.p0.i64(ptr align 8 %23, i8 0, i64 %26, i1 false)
  br label %27

27:                                               ; preds = %22, %16
  %28 = load ptr, ptr %6, align 8, !tbaa !5
  %29 = load ptr, ptr %5, align 8, !tbaa !5
  %30 = getelementptr inbounds %struct.strm_array, ptr %29, i32 0, i32 1
  store ptr %28, ptr %30, align 8, !tbaa !11
  %31 = load i32, ptr %4, align 4, !tbaa !9
  %32 = load ptr, ptr %5, align 8, !tbaa !5
  %33 = getelementptr inbounds %struct.strm_array, ptr %32, i32 0, i32 0
  store i32 %31, ptr %33, align 8, !tbaa !14
  %34 = load ptr, ptr %5, align 8, !tbaa !5
  %35 = getelementptr inbounds %struct.strm_array, ptr %34, i32 0, i32 3
  store ptr null, ptr %35, align 8, !tbaa !15
  %36 = load ptr, ptr %5, align 8, !tbaa !5
  %37 = getelementptr inbounds %struct.strm_array, ptr %36, i32 0, i32 2
  store i64 0, ptr %37, align 8, !tbaa !16
  %38 = load ptr, ptr %5, align 8, !tbaa !5
  %39 = ptrtoint ptr %38 to i64
  %40 = and i64 %39, 281474976710655
  %41 = or i64 -3377699720527872, %40
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  ret i64 %41
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #2

; 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) #3

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #4

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

attributes #0 = { 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 nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nounwind allocsize(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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #5 = { nounwind }
attributes #6 = { nounwind allocsize(0) }

!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 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !6, i64 8}
!12 = !{!"strm_array", !10, i64 0, !6, i64 8, !13, i64 16, !6, i64 24}
!13 = !{!"long", !7, i64 0}
!14 = !{!12, !10, i64 0}
!15 = !{!12, !6, i64 24}
!16 = !{!12, !13, i64 16}


; 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 nounwind willreturn uwtable
define dso_local range(i64 -3377699720527872, -3096224743817216) i64 @strm_ary_new(ptr noundef readonly %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = sext i32 %1 to i64
  %4 = shl nsw i64 %3, 3
  %5 = add nsw i64 %4, 32
  %6 = tail call noalias ptr @malloc(i64 noundef %5) #4
  %7 = getelementptr inbounds i8, ptr %6, i64 32
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %9, label %8

8:                                                ; preds = %2
  tail call void @llvm.memcpy.p0.p0.i64(ptr nonnull align 8 %7, ptr nonnull align 8 %0, i64 %4, i1 false)
  br label %10

9:                                                ; preds = %2
  tail call void @llvm.memset.p0.i64(ptr nonnull align 8 %7, i8 0, i64 %4, i1 false)
  br label %10

10:                                               ; preds = %9, %8
  %11 = getelementptr inbounds i8, ptr %6, i64 8
  store ptr %7, ptr %11, align 8, !tbaa !5
  store i32 %1, ptr %6, align 8, !tbaa !12
  %12 = getelementptr inbounds i8, ptr %6, i64 16
  %13 = ptrtoint ptr %6 to i64
  %14 = and i64 %13, 281474976710655
  %15 = or disjoint i64 %14, -3377699720527872
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %12, i8 0, i64 16, i1 false)
  ret i64 %15
}

; Function Attrs: mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @malloc(i64 noundef) local_unnamed_addr #1

; 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) #2

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #3

attributes #0 = { mustprogress nofree nounwind willreturn 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 nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite) "alloc-family"="malloc" "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 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #4 = { nounwind allocsize(0) }

!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, !10, i64 8}
!6 = !{!"strm_array", !7, i64 0, !10, i64 8, !11, i64 16, !10, i64 24}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!"long", !8, i64 0}
!12 = !{!6, !7, i64 0}


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