; LLVM IR from buaazp/zimg :: deps/hiredis (sds)

; 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.sdshdr = type { i32, i32, [0 x i8] }

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

14:                                               ; preds = %2
  store ptr null, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %47

15:                                               ; preds = %2
  %16 = load i64, ptr %5, align 8, !tbaa !9
  %17 = trunc i64 %16 to i32
  %18 = load ptr, ptr %6, align 8, !tbaa !5
  %19 = getelementptr inbounds %struct.sdshdr, ptr %18, i32 0, i32 0
  store i32 %17, ptr %19, align 4, !tbaa !11
  %20 = load ptr, ptr %6, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct.sdshdr, ptr %20, i32 0, i32 1
  store i32 0, ptr %21, align 4, !tbaa !11
  %22 = load i64, ptr %5, align 8, !tbaa !9
  %23 = icmp ne i64 %22, 0
  br i1 %23, label %24, label %39

24:                                               ; preds = %15
  %25 = load ptr, ptr %4, align 8, !tbaa !5
  %26 = icmp ne ptr %25, null
  br i1 %26, label %27, label %33

27:                                               ; preds = %24
  %28 = load ptr, ptr %6, align 8, !tbaa !5
  %29 = getelementptr inbounds %struct.sdshdr, ptr %28, i32 0, i32 2
  %30 = getelementptr inbounds [0 x i8], ptr %29, i64 0, i64 0
  %31 = load ptr, ptr %4, align 8, !tbaa !5
  %32 = load i64, ptr %5, align 8, !tbaa !9
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %30, ptr align 1 %31, i64 %32, i1 false)
  br label %38

33:                                               ; preds = %24
  %34 = load ptr, ptr %6, align 8, !tbaa !5
  %35 = getelementptr inbounds %struct.sdshdr, ptr %34, i32 0, i32 2
  %36 = getelementptr inbounds [0 x i8], ptr %35, i64 0, i64 0
  %37 = load i64, ptr %5, align 8, !tbaa !9
  call void @llvm.memset.p0.i64(ptr align 4 %36, i8 0, i64 %37, i1 false)
  br label %38

38:                                               ; preds = %33, %27
  br label %39

39:                                               ; preds = %38, %15
  %40 = load ptr, ptr %6, align 8, !tbaa !5
  %41 = getelementptr inbounds %struct.sdshdr, ptr %40, i32 0, i32 2
  %42 = load i64, ptr %5, align 8, !tbaa !9
  %43 = getelementptr inbounds [0 x i8], ptr %41, i64 0, i64 %42
  store i8 0, ptr %43, align 1, !tbaa !13
  %44 = load ptr, ptr %6, align 8, !tbaa !5
  %45 = getelementptr inbounds %struct.sdshdr, ptr %44, i32 0, i32 2
  %46 = getelementptr inbounds [0 x i8], ptr %45, i64 0, i64 0
  store ptr %46, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %47

47:                                               ; preds = %39, %14
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  %48 = load ptr, ptr %3, align 8
  ret ptr %48
}

; 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 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!7, !7, 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"

; Function Attrs: mustprogress nofree nounwind willreturn uwtable
define dso_local noalias ptr @sdsnewlen(ptr noundef readonly %0, i64 noundef %1) local_unnamed_addr #0 {
  %3 = add i64 %1, 9
  %4 = tail call noalias ptr @malloc(i64 noundef %3) #4
  %5 = icmp eq ptr %4, null
  br i1 %5, label %16, label %6

6:                                                ; preds = %2
  %7 = trunc i64 %1 to i32
  store i32 %7, ptr %4, align 4, !tbaa !5
  %8 = getelementptr inbounds i8, ptr %4, i64 4
  store i32 0, ptr %8, align 4, !tbaa !5
  %.not = icmp eq i64 %1, 0
  br i1 %.not, label %13, label %9

9:                                                ; preds = %6
  %.not18 = icmp eq ptr %0, null
  %10 = getelementptr inbounds i8, ptr %4, i64 8
  br i1 %.not18, label %12, label %11

11:                                               ; preds = %9
  tail call void @llvm.memcpy.p0.p0.i64(ptr nonnull align 4 %10, ptr nonnull align 1 %0, i64 %1, i1 false)
  br label %13

12:                                               ; preds = %9
  tail call void @llvm.memset.p0.i64(ptr nonnull align 4 %10, i8 0, i64 %1, i1 false)
  br label %13

13:                                               ; preds = %11, %12, %6
  %14 = getelementptr inbounds i8, ptr %4, i64 8
  %15 = getelementptr inbounds [0 x i8], ptr %14, i64 0, i64 %1
  store i8 0, ptr %15, align 1, !tbaa !9
  br label %16

16:                                               ; preds = %2, %13
  %.0 = phi ptr [ %14, %13 ], [ null, %2 ]
  ret ptr %.0
}

; 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, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!7, !7, i64 0}


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