; LLVM IR from Softmotions/iowow :: src/utils (iwrb)

; 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.iwrp = type { i64, i64, i64, ptr }

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

15:                                               ; preds = %2
  store ptr null, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %30

16:                                               ; preds = %2
  %17 = load ptr, ptr %6, align 8, !tbaa !9
  %18 = getelementptr inbounds %struct.iwrp, ptr %17, i32 0, i32 0
  store i64 0, ptr %18, align 8, !tbaa !11
  %19 = load i64, ptr %5, align 8, !tbaa !5
  %20 = load ptr, ptr %6, align 8, !tbaa !9
  %21 = getelementptr inbounds %struct.iwrp, ptr %20, i32 0, i32 1
  store i64 %19, ptr %21, align 8, !tbaa !13
  %22 = load i64, ptr %4, align 8, !tbaa !5
  %23 = load ptr, ptr %6, align 8, !tbaa !9
  %24 = getelementptr inbounds %struct.iwrp, ptr %23, i32 0, i32 2
  store i64 %22, ptr %24, align 8, !tbaa !14
  %25 = load ptr, ptr %6, align 8, !tbaa !9
  %26 = getelementptr inbounds i8, ptr %25, i64 32
  %27 = load ptr, ptr %6, align 8, !tbaa !9
  %28 = getelementptr inbounds %struct.iwrp, ptr %27, i32 0, i32 3
  store ptr %26, ptr %28, align 8, !tbaa !15
  %29 = load ptr, ptr %6, align 8, !tbaa !9
  store ptr %29, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %30

30:                                               ; preds = %16, %15
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  %31 = load ptr, ptr %3, align 8
  ret ptr %31
}

; 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 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 = { nounwind }
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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !6, i64 0}
!12 = !{!"iwrp", !6, i64 0, !6, i64 8, !6, i64 16, !10, i64 24}
!13 = !{!12, !6, i64 8}
!14 = !{!12, !6, i64 16}
!15 = !{!12, !10, i64 24}


; 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 memory(write, argmem: none, inaccessiblemem: readwrite) uwtable
define dso_local noalias noundef ptr @iwrb_create(i64 noundef %0, i64 noundef %1) local_unnamed_addr #0 {
  %3 = mul i64 %1, %0
  %4 = add i64 %3, 32
  %5 = tail call noalias ptr @malloc(i64 noundef %4) #2
  %.not = icmp eq ptr %5, null
  br i1 %.not, label %11, label %6

6:                                                ; preds = %2
  store i64 0, ptr %5, align 8, !tbaa !5
  %7 = getelementptr inbounds i8, ptr %5, i64 8
  store i64 %1, ptr %7, align 8, !tbaa !11
  %8 = getelementptr inbounds i8, ptr %5, i64 16
  store i64 %0, ptr %8, align 8, !tbaa !12
  %9 = getelementptr inbounds i8, ptr %5, i64 32
  %10 = getelementptr inbounds i8, ptr %5, i64 24
  store ptr %9, ptr %10, align 8, !tbaa !13
  br label %11

11:                                               ; preds = %2, %6
  ret ptr %5
}

; 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

attributes #0 = { mustprogress nofree nounwind willreturn memory(write, argmem: none, inaccessiblemem: readwrite) 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 = { 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, !7, i64 0}
!6 = !{!"iwrp", !7, i64 0, !7, i64 8, !7, i64 16, !10, i64 24}
!7 = !{!"long", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!6, !7, i64 8}
!12 = !{!6, !7, i64 16}
!13 = !{!6, !10, i64 24}


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