; LLVM IR from Yaty/yamldb :: src/code/sql (join)

; 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.Join = type { i32, ptr, i32, ptr }
%struct.JoinField = type { ptr, ptr, ptr, ptr, i32, i32 }

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

; 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 void @freeJoinField(ptr noundef) #1

; Function Attrs: nounwind
declare void @free(ptr noundef) #2

; Function Attrs: nounwind uwtable
define dso_local void @freeJoin(ptr noundef %0) #1 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  %4 = load ptr, ptr %2, align 8, !tbaa !5
  %5 = icmp ne ptr %4, null
  br i1 %5, label %6, label %35

6:                                                ; preds = %1
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  %7 = load ptr, ptr %2, align 8, !tbaa !5
  %8 = getelementptr inbounds %struct.Join, ptr %7, i32 0, i32 3
  %9 = load ptr, ptr %8, align 8, !tbaa !9
  %10 = icmp ne ptr %9, null
  br i1 %10, label %11, label %17

11:                                               ; preds = %6
  %12 = load ptr, ptr %2, align 8, !tbaa !5
  %13 = getelementptr inbounds %struct.Join, ptr %12, i32 0, i32 3
  %14 = load ptr, ptr %13, align 8, !tbaa !9
  call void @free(ptr noundef %14) #3
  %15 = load ptr, ptr %2, align 8, !tbaa !5
  %16 = getelementptr inbounds %struct.Join, ptr %15, i32 0, i32 3
  store ptr null, ptr %16, align 8, !tbaa !9
  br label %17

17:                                               ; preds = %11, %6
  store i32 0, ptr %3, align 4, !tbaa !12
  br label %18

18:                                               ; preds = %31, %17
  %19 = load i32, ptr %3, align 4, !tbaa !12
  %20 = load ptr, ptr %2, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct.Join, ptr %20, i32 0, i32 2
  %22 = load i32, ptr %21, align 8, !tbaa !13
  %23 = icmp slt i32 %19, %22
  br i1 %23, label %24, label %34

24:                                               ; preds = %18
  %25 = load ptr, ptr %2, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.Join, ptr %25, i32 0, i32 1
  %27 = load ptr, ptr %26, align 8, !tbaa !14
  %28 = load i32, ptr %3, align 4, !tbaa !12
  %29 = sext i32 %28 to i64
  %30 = getelementptr inbounds %struct.JoinField, ptr %27, i64 %29
  call void @freeJoinField(ptr noundef %30)
  br label %31

31:                                               ; preds = %24
  %32 = load i32, ptr %3, align 4, !tbaa !12
  %33 = add nsw i32 %32, 1
  store i32 %33, ptr %3, align 4, !tbaa !12
  br label %18, !llvm.loop !15

34:                                               ; preds = %18
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #3
  br label %35

35:                                               ; preds = %34, %1
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 #3 = { 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, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !6, i64 24}
!10 = !{!"Join", !11, i64 0, !6, i64 8, !11, i64 16, !6, i64 24}
!11 = !{!"int", !7, i64 0}
!12 = !{!11, !11, i64 0}
!13 = !{!10, !11, i64 16}
!14 = !{!10, !6, i64 8}
!15 = distinct !{!15, !16}
!16 = !{!"llvm.loop.mustprogress"}


; 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"

%struct.JoinField = type { ptr, ptr, ptr, ptr, i32, i32 }

; Function Attrs: nounwind uwtable
declare dso_local void @freeJoinField(ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local void @freeJoin(ptr noundef %0) local_unnamed_addr #0 {
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %.loopexit, label %2

2:                                                ; preds = %1
  %3 = getelementptr inbounds i8, ptr %0, i64 24
  %4 = load ptr, ptr %3, align 8, !tbaa !5
  %.not10 = icmp eq ptr %4, null
  br i1 %.not10, label %6, label %5

5:                                                ; preds = %2
  tail call void @free(ptr noundef nonnull %4) #2
  store ptr null, ptr %3, align 8, !tbaa !5
  br label %6

6:                                                ; preds = %5, %2
  %7 = getelementptr inbounds i8, ptr %0, i64 16
  %8 = load i32, ptr %7, align 8, !tbaa !11
  %9 = icmp sgt i32 %8, 0
  br i1 %9, label %.lr.ph, label %.loopexit

.lr.ph:                                           ; preds = %6
  %10 = getelementptr inbounds i8, ptr %0, i64 8
  br label %11

11:                                               ; preds = %.lr.ph, %11
  %indvars.iv = phi i64 [ 0, %.lr.ph ], [ %indvars.iv.next, %11 ]
  %12 = load ptr, ptr %10, align 8, !tbaa !12
  %13 = getelementptr inbounds %struct.JoinField, ptr %12, i64 %indvars.iv
  tail call void @freeJoinField(ptr noundef %13)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %14 = load i32, ptr %7, align 8, !tbaa !11
  %15 = sext i32 %14 to i64
  %16 = icmp slt i64 %indvars.iv.next, %15
  br i1 %16, label %11, label %.loopexit, !llvm.loop !13

.loopexit:                                        ; preds = %11, %6, %1
  ret void
}

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 = { 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 #2 = { 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, !10, i64 24}
!6 = !{!"Join", !7, i64 0, !10, i64 8, !7, i64 16, !10, i64 24}
!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 16}
!12 = !{!6, !10, i64 8}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass