; LLVM IR from sysprog21/shecc :: src (ssa)

; 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.hashmap_t = type { i32, i32, ptr }

@.str.1 = external hidden unnamed_addr constant [47 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [41 x i8], align 1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #1

declare i32 @printf(ptr noundef, ...) #2

; Function Attrs: nounwind allocsize(0,1)
declare noalias ptr @calloc(i64 noundef, i64 noundef) #3

; Function Attrs: nounwind
declare void @free(ptr noundef) #4

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind uwtable
declare dso_local i32 @round_up_pow2(i32 noundef) #5

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

9:                                                ; preds = %1
  %10 = load i32, ptr %3, align 4, !tbaa !5
  %11 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, i32 noundef %10)
  store ptr null, ptr %2, align 8
  store i32 1, ptr %5, align 4
  br label %35

12:                                               ; preds = %1
  %13 = load ptr, ptr %4, align 8, !tbaa !9
  %14 = getelementptr inbounds %struct.hashmap_t, ptr %13, i32 0, i32 0
  store i32 0, ptr %14, align 8, !tbaa !11
  %15 = load i32, ptr %3, align 4, !tbaa !5
  %16 = call i32 @round_up_pow2(i32 noundef %15)
  %17 = load ptr, ptr %4, align 8, !tbaa !9
  %18 = getelementptr inbounds %struct.hashmap_t, ptr %17, i32 0, i32 1
  store i32 %16, ptr %18, align 4, !tbaa !13
  %19 = load ptr, ptr %4, align 8, !tbaa !9
  %20 = getelementptr inbounds %struct.hashmap_t, ptr %19, i32 0, i32 1
  %21 = load i32, ptr %20, align 4, !tbaa !13
  %22 = sext i32 %21 to i64
  %23 = call noalias ptr @calloc(i64 noundef %22, i64 noundef 8) #8
  %24 = load ptr, ptr %4, align 8, !tbaa !9
  %25 = getelementptr inbounds %struct.hashmap_t, ptr %24, i32 0, i32 2
  store ptr %23, ptr %25, align 8, !tbaa !14
  %26 = load ptr, ptr %4, align 8, !tbaa !9
  %27 = getelementptr inbounds %struct.hashmap_t, ptr %26, i32 0, i32 2
  %28 = load ptr, ptr %27, align 8, !tbaa !14
  %29 = icmp ne ptr %28, null
  br i1 %29, label %33, label %30

30:                                               ; preds = %12
  %31 = call i32 (ptr, ...) @printf(ptr noundef @.str.2)
  %32 = load ptr, ptr %4, align 8, !tbaa !9
  call void @free(ptr noundef %32) #6
  store ptr null, ptr %2, align 8
  store i32 1, ptr %5, align 4
  br label %35

33:                                               ; preds = %12
  %34 = load ptr, ptr %4, align 8, !tbaa !9
  store ptr %34, ptr %2, align 8
  store i32 1, ptr %5, align 4
  br label %35

35:                                               ; preds = %33, %30, %9
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #6
  %36 = load ptr, ptr %2, align 8
  ret ptr %36
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { "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(0,1) "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 #4 = { nounwind "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 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 #6 = { nounwind }
attributes #7 = { nounwind allocsize(0) }
attributes #8 = { nounwind allocsize(0,1) }

!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 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !6, i64 0}
!12 = !{!"", !6, i64 0, !6, i64 4, !10, i64 8}
!13 = !{!12, !6, i64 4}
!14 = !{!12, !10, i64 8}


; 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"

@.str.1 = external hidden unnamed_addr constant [47 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [41 x i8], align 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 #0

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #1

; Function Attrs: mustprogress nofree nounwind willreturn allockind("alloc,zeroed") allocsize(0,1) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @calloc(i64 noundef, i64 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #3

; Function Attrs: nounwind uwtable
declare dso_local i32 @round_up_pow2(i32 noundef) local_unnamed_addr #4

; Function Attrs: nounwind uwtable
define dso_local noalias noundef ptr @hashmap_create(i32 noundef %0) local_unnamed_addr #4 {
  %2 = tail call noalias dereferenceable_or_null(16) ptr @malloc(i64 noundef 16) #5
  %.not = icmp eq ptr %2, null
  br i1 %.not, label %3, label %5

3:                                                ; preds = %1
  %4 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i32 noundef %0)
  br label %13

5:                                                ; preds = %1
  store i32 0, ptr %2, align 8, !tbaa !5
  %6 = tail call i32 @round_up_pow2(i32 noundef %0)
  %7 = getelementptr inbounds i8, ptr %2, i64 4
  store i32 %6, ptr %7, align 4, !tbaa !11
  %8 = sext i32 %6 to i64
  %9 = tail call noalias ptr @calloc(i64 noundef %8, i64 noundef 8) #6
  %10 = getelementptr inbounds i8, ptr %2, i64 8
  store ptr %9, ptr %10, align 8, !tbaa !12
  %.not11 = icmp eq ptr %9, null
  br i1 %.not11, label %11, label %13

11:                                               ; preds = %5
  %12 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2)
  tail call void @free(ptr noundef nonnull %2) #7
  br label %13

13:                                               ; preds = %5, %11, %3
  %.0 = phi ptr [ null, %11 ], [ null, %3 ], [ %2, %5 ]
  ret ptr %.0
}

attributes #0 = { 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 #1 = { nofree nounwind "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 nofree nounwind willreturn allockind("alloc,zeroed") allocsize(0,1) 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 = { mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, 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 #4 = { 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 #5 = { nounwind allocsize(0) }
attributes #6 = { nounwind allocsize(0,1) }
attributes #7 = { nounwind }

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


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