; 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_node = type { ptr, ptr, ptr }

@.str.3 = external hidden unnamed_addr constant [35 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [52 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
define dso_local ptr @hashmap_node_new(ptr noundef %0, ptr noundef %1) #5 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  %9 = load ptr, ptr %4, align 8, !tbaa !5
  %10 = icmp ne ptr %9, null
  br i1 %10, label %12, label %11

11:                                               ; preds = %2
  store ptr null, ptr %3, align 8
  br label %48

12:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #7
  %13 = load ptr, ptr %4, align 8, !tbaa !5
  %14 = call i64 @strlen(ptr noundef %13) #8
  %15 = trunc i64 %14 to i32
  store i32 %15, ptr %6, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #7
  %16 = call noalias ptr @malloc(i64 noundef 24) #9
  store ptr %16, ptr %7, align 8, !tbaa !5
  %17 = load ptr, ptr %7, align 8, !tbaa !5
  %18 = icmp ne ptr %17, null
  br i1 %18, label %21, label %19

19:                                               ; preds = %12
  %20 = call i32 (ptr, ...) @printf(ptr noundef @.str.3)
  store ptr null, ptr %3, align 8
  store i32 1, ptr %8, align 4
  br label %47

21:                                               ; preds = %12
  %22 = load i32, ptr %6, align 4, !tbaa !9
  %23 = add nsw i32 %22, 1
  %24 = sext i32 %23 to i64
  %25 = call noalias ptr @calloc(i64 noundef %24, i64 noundef 1) #10
  %26 = load ptr, ptr %7, align 8, !tbaa !5
  %27 = getelementptr inbounds %struct.hashmap_node, ptr %26, i32 0, i32 0
  store ptr %25, ptr %27, align 8, !tbaa !11
  %28 = load ptr, ptr %7, align 8, !tbaa !5
  %29 = getelementptr inbounds %struct.hashmap_node, ptr %28, i32 0, i32 0
  %30 = load ptr, ptr %29, align 8, !tbaa !11
  %31 = icmp ne ptr %30, null
  br i1 %31, label %35, label %32

32:                                               ; preds = %21
  %33 = call i32 (ptr, ...) @printf(ptr noundef @.str.4)
  %34 = load ptr, ptr %7, align 8, !tbaa !5
  call void @free(ptr noundef %34) #7
  store ptr null, ptr %3, align 8
  store i32 1, ptr %8, align 4
  br label %47

35:                                               ; preds = %21
  %36 = load ptr, ptr %7, align 8, !tbaa !5
  %37 = getelementptr inbounds %struct.hashmap_node, ptr %36, i32 0, i32 0
  %38 = load ptr, ptr %37, align 8, !tbaa !11
  %39 = load ptr, ptr %4, align 8, !tbaa !5
  %40 = call ptr @strcpy(ptr noundef %38, ptr noundef %39) #7
  %41 = load ptr, ptr %5, align 8, !tbaa !5
  %42 = load ptr, ptr %7, align 8, !tbaa !5
  %43 = getelementptr inbounds %struct.hashmap_node, ptr %42, i32 0, i32 1
  store ptr %41, ptr %43, align 8, !tbaa !13
  %44 = load ptr, ptr %7, align 8, !tbaa !5
  %45 = getelementptr inbounds %struct.hashmap_node, ptr %44, i32 0, i32 2
  store ptr null, ptr %45, align 8, !tbaa !14
  %46 = load ptr, ptr %7, align 8, !tbaa !5
  store ptr %46, ptr %3, align 8
  store i32 1, ptr %8, align 4
  br label %47

47:                                               ; preds = %35, %32, %19
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #7
  br label %48

48:                                               ; preds = %47, %11
  %49 = load ptr, ptr %3, align 8
  ret ptr %49
}

; Function Attrs: nounwind willreturn memory(read)
declare i64 @strlen(ptr noundef) #6

; Function Attrs: nounwind
declare ptr @strcpy(ptr noundef, ptr noundef) #4

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 willreturn memory(read) "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 #7 = { nounwind }
attributes #8 = { nounwind willreturn memory(read) }
attributes #9 = { nounwind allocsize(0) }
attributes #10 = { 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 = !{!"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 0}
!12 = !{!"hashmap_node", !6, i64 0, !6, i64 8, !6, i64 16}
!13 = !{!12, !6, i64 8}
!14 = !{!12, !6, 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"

@.str.3 = external hidden unnamed_addr constant [35 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [52 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
define dso_local noalias noundef ptr @hashmap_node_new(ptr noundef readonly %0, ptr noundef %1) local_unnamed_addr #4 {
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %18, label %3

3:                                                ; preds = %2
  %4 = tail call i64 @strlen(ptr noundef nonnull dereferenceable(1) %0) #7
  %5 = tail call noalias dereferenceable_or_null(24) ptr @malloc(i64 noundef 24) #8
  %.not16 = icmp eq ptr %5, null
  br i1 %.not16, label %6, label %8

6:                                                ; preds = %3
  %7 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3)
  br label %18

8:                                                ; preds = %3
  %9 = shl i64 %4, 32
  %sext = add i64 %9, 4294967296
  %10 = ashr exact i64 %sext, 32
  %11 = tail call noalias ptr @calloc(i64 noundef %10, i64 noundef 1) #9
  store ptr %11, ptr %5, align 8, !tbaa !5
  %.not17 = icmp eq ptr %11, null
  br i1 %.not17, label %12, label %14

12:                                               ; preds = %8
  %13 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.4)
  tail call void @free(ptr noundef nonnull %5) #10
  br label %18

14:                                               ; preds = %8
  %15 = tail call ptr @strcpy(ptr noundef nonnull dereferenceable(1) %11, ptr noundef nonnull dereferenceable(1) %0) #10
  %16 = getelementptr inbounds i8, ptr %5, i64 8
  store ptr %1, ptr %16, align 8, !tbaa !10
  %17 = getelementptr inbounds i8, ptr %5, i64 16
  store ptr null, ptr %17, align 8, !tbaa !11
  br label %18

18:                                               ; preds = %6, %12, %14, %2
  %.1 = phi ptr [ null, %2 ], [ %5, %14 ], [ null, %12 ], [ null, %6 ]
  ret ptr %.1
}

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: read)
declare i64 @strlen(ptr nocapture noundef) local_unnamed_addr #5

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: readwrite)
declare ptr @strcpy(ptr noalias noundef returned writeonly, ptr noalias nocapture noundef readonly) local_unnamed_addr #6

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 = { mustprogress nofree nounwind willreturn memory(argmem: read) "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 = { mustprogress nofree nounwind willreturn memory(argmem: readwrite) "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 #7 = { nounwind willreturn memory(read) }
attributes #8 = { nounwind allocsize(0) }
attributes #9 = { nounwind allocsize(0,1) }
attributes #10 = { 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 = !{!"hashmap_node", !7, i64 0, !7, i64 8, !7, i64 16}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!6, !7, i64 8}
!11 = !{!6, !7, i64 16}


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