; LLVM IR from tezc/sc :: heap (sc_heap)

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

; Function Attrs: nounwind uwtable
define dso_local zeroext i1 @sc_heap_init(ptr noundef %0, i64 noundef %1) #0 {
  %3 = alloca i1, align 1
  %4 = alloca ptr, align 8
  %5 = alloca i64, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i64, align 8
  %8 = alloca %struct.sc_heap, align 8
  %9 = 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
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  %10 = load i64, ptr %5, align 8, !tbaa !9
  %11 = mul i64 %10, 16
  store i64 %11, ptr %7, align 8, !tbaa !9
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  call void @llvm.memset.p0.i64(ptr align 8 %8, i8 0, i64 24, i1 false)
  %13 = getelementptr inbounds %struct.sc_heap, ptr %8, i32 0, i32 0
  %14 = getelementptr inbounds %struct.sc_heap, ptr %8, i32 0, i32 1
  %15 = getelementptr inbounds %struct.sc_heap, ptr %8, i32 0, i32 2
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %12, ptr align 8 %8, i64 24, i1 false), !tbaa.struct !11
  %16 = load i64, ptr %5, align 8, !tbaa !9
  %17 = icmp eq i64 %16, 0
  br i1 %17, label %18, label %19

18:                                               ; preds = %2
  store i1 true, ptr %3, align 1
  store i32 1, ptr %9, align 4
  br label %34

19:                                               ; preds = %2
  %20 = load i64, ptr %5, align 8, !tbaa !9
  %21 = icmp ugt i64 %20, 1152921504606846975
  br i1 %21, label %26, label %22

22:                                               ; preds = %19
  %23 = load i64, ptr %7, align 8, !tbaa !9
  %24 = call noalias ptr @malloc(i64 noundef %23) #6
  store ptr %24, ptr %6, align 8, !tbaa !5
  %25 = icmp eq ptr %24, null
  br i1 %25, label %26, label %27

26:                                               ; preds = %22, %19
  store i1 false, ptr %3, align 1
  store i32 1, ptr %9, align 4
  br label %34

27:                                               ; preds = %22
  %28 = load ptr, ptr %6, align 8, !tbaa !5
  %29 = load ptr, ptr %4, align 8, !tbaa !5
  %30 = getelementptr inbounds %struct.sc_heap, ptr %29, i32 0, i32 2
  store ptr %28, ptr %30, align 8, !tbaa !12
  %31 = load i64, ptr %5, align 8, !tbaa !9
  %32 = load ptr, ptr %4, align 8, !tbaa !5
  %33 = getelementptr inbounds %struct.sc_heap, ptr %32, i32 0, i32 0
  store i64 %31, ptr %33, align 8, !tbaa !14
  store i1 true, ptr %3, align 1
  store i32 1, ptr %9, align 4
  br label %34

34:                                               ; preds = %27, %26, %18
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  %35 = load i1, ptr %3, align 1
  ret i1 %35
}

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

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #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: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #3 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { 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 #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 = !{i64 0, i64 8, !9, i64 8, i64 8, !9, i64 16, i64 8, !5}
!12 = !{!13, !6, i64 16}
!13 = !{!"sc_heap", !10, i64 0, !10, i64 8, !6, i64 16}
!14 = !{!13, !10, 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 memory(argmem: write, inaccessiblemem: readwrite) uwtable
define dso_local noundef zeroext i1 @sc_heap_init(ptr nocapture noundef writeonly %0, i64 noundef %1) local_unnamed_addr #0 {
  %3 = shl i64 %1, 4
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(24) %0, i8 0, i64 24, i1 false)
  %4 = icmp eq i64 %1, 0
  br i1 %4, label %12, label %5

5:                                                ; preds = %2
  %6 = icmp ugt i64 %1, 1152921504606846975
  br i1 %6, label %12, label %7

7:                                                ; preds = %5
  %8 = tail call noalias ptr @malloc(i64 noundef %3) #3
  %9 = icmp eq ptr %8, null
  br i1 %9, label %12, label %10

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

12:                                               ; preds = %5, %7, %2, %10
  %.0 = phi i1 [ true, %10 ], [ true, %2 ], [ false, %7 ], [ false, %5 ]
  ret i1 %.0
}

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #1

; Function Attrs: mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @malloc(i64 noundef) local_unnamed_addr #2

attributes #0 = { mustprogress nofree nounwind willreturn memory(argmem: write, 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 nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #2 = { 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 #3 = { 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 16}
!6 = !{!"sc_heap", !7, i64 0, !7, i64 8, !10, i64 16}
!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 0}


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