; LLVM IR from ggml-org/ggml :: src (ggml-backend)

; 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.ggml_backend_buffer = type { %struct.ggml_backend_buffer_i, ptr, ptr, i64, i32 }
%struct.ggml_backend_buffer_i = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr }
%struct.ggml_backend_multi_buffer_context = type { ptr, i64 }

@.str.1 = external hidden unnamed_addr constant [68 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [23 x i8], align 1
@.str.20 = external hidden unnamed_addr constant [44 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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: noreturn
declare void @ggml_abort(ptr noundef, i32 noundef, ptr noundef, ...) #1

; Function Attrs: mustprogress uwtable
declare dso_local void @ggml_backend_buffer_set_usage(ptr noundef, i32 noundef) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local zeroext i1 @ggml_backend_buffer_is_multi_buffer(ptr noundef) #3

; Function Attrs: mustprogress uwtable
define dso_local void @ggml_backend_multi_buffer_set_usage(ptr noundef %0, i32 noundef %1) #2 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  %7 = load ptr, ptr %3, align 8, !tbaa !5
  %8 = call zeroext i1 @ggml_backend_buffer_is_multi_buffer(ptr noundef %7)
  br i1 %8, label %10, label %9

9:                                                ; preds = %2
  call void (ptr, i32, ptr, ...) @ggml_abort(ptr noundef @.str.1, i32 noundef 589, ptr noundef @.str.2, ptr noundef @.str.20) #4
  unreachable

10:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #5
  %11 = load ptr, ptr %3, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.ggml_backend_buffer, ptr %11, i32 0, i32 2
  %13 = load ptr, ptr %12, align 8, !tbaa !11
  store ptr %13, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #5
  store i64 0, ptr %6, align 8, !tbaa !15
  br label %14

14:                                               ; preds = %29, %10
  %15 = load i64, ptr %6, align 8, !tbaa !15
  %16 = load ptr, ptr %5, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct.ggml_backend_multi_buffer_context, ptr %16, i32 0, i32 1
  %18 = load i64, ptr %17, align 8, !tbaa !16
  %19 = icmp ult i64 %15, %18
  br i1 %19, label %21, label %20

20:                                               ; preds = %14
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  br label %32

21:                                               ; preds = %14
  %22 = load ptr, ptr %5, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.ggml_backend_multi_buffer_context, ptr %22, i32 0, i32 0
  %24 = load ptr, ptr %23, align 8, !tbaa !18
  %25 = load i64, ptr %6, align 8, !tbaa !15
  %26 = getelementptr inbounds ptr, ptr %24, i64 %25
  %27 = load ptr, ptr %26, align 8, !tbaa !5
  %28 = load i32, ptr %4, align 4, !tbaa !9
  call void @ggml_backend_buffer_set_usage(ptr noundef %27, i32 noundef %28)
  br label %29

29:                                               ; preds = %21
  %30 = load i64, ptr %6, align 8, !tbaa !15
  %31 = add i64 %30, 1
  store i64 %31, ptr %6, align 8, !tbaa !15
  br label %14, !llvm.loop !19

32:                                               ; preds = %20
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { noreturn "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 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 #3 = { mustprogress 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 #4 = { noreturn }
attributes #5 = { 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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"_ZTS25ggml_backend_buffer_usage", !7, i64 0}
!11 = !{!12, !6, i64 80}
!12 = !{!"_ZTS19ggml_backend_buffer", !13, i64 0, !6, i64 72, !6, i64 80, !14, i64 88, !10, i64 96}
!13 = !{!"_ZTS21ggml_backend_buffer_i", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40, !6, i64 48, !6, i64 56, !6, i64 64}
!14 = !{!"long", !7, i64 0}
!15 = !{!14, !14, i64 0}
!16 = !{!17, !14, i64 8}
!17 = !{!"_ZTS33ggml_backend_multi_buffer_context", !6, i64 0, !14, i64 8}
!18 = !{!17, !6, i64 0}
!19 = distinct !{!19, !20}
!20 = !{!"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"

@.str.1 = external hidden unnamed_addr constant [68 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [23 x i8], align 1
@.str.20 = external hidden unnamed_addr constant [44 x i8], align 1

; Function Attrs: noreturn
declare void @ggml_abort(ptr noundef, i32 noundef, ptr noundef, ...) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare dso_local void @ggml_backend_buffer_set_usage(ptr noundef, i32 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local zeroext i1 @ggml_backend_buffer_is_multi_buffer(ptr noundef) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
define dso_local void @ggml_backend_multi_buffer_set_usage(ptr noundef %0, i32 noundef %1) local_unnamed_addr #1 {
  %3 = tail call zeroext i1 @ggml_backend_buffer_is_multi_buffer(ptr noundef %0)
  br i1 %3, label %5, label %4

4:                                                ; preds = %2
  tail call void (ptr, i32, ptr, ...) @ggml_abort(ptr noundef nonnull @.str.1, i32 noundef 589, ptr noundef nonnull @.str.2, ptr noundef nonnull @.str.20) #3
  unreachable

5:                                                ; preds = %2
  %6 = getelementptr inbounds i8, ptr %0, i64 80
  %7 = load ptr, ptr %6, align 8, !tbaa !5
  %8 = getelementptr inbounds i8, ptr %7, i64 8
  %9 = load i64, ptr %8, align 8, !tbaa !13
  %.not = icmp eq i64 %9, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %5
  ret void

.lr.ph:                                           ; preds = %5, %.lr.ph
  %.07 = phi i64 [ %13, %.lr.ph ], [ 0, %5 ]
  %10 = load ptr, ptr %7, align 8, !tbaa !15
  %11 = getelementptr inbounds ptr, ptr %10, i64 %.07
  %12 = load ptr, ptr %11, align 8, !tbaa !16
  tail call void @ggml_backend_buffer_set_usage(ptr noundef %12, i32 noundef %1)
  %13 = add nuw i64 %.07, 1
  %14 = load i64, ptr %8, align 8, !tbaa !13
  %15 = icmp ult i64 %13, %14
  br i1 %15, label %.lr.ph, label %._crit_edge, !llvm.loop !17
}

attributes #0 = { noreturn "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 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 = { mustprogress 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 #3 = { noreturn }

!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, !8, i64 80}
!6 = !{!"_ZTS19ggml_backend_buffer", !7, i64 0, !8, i64 72, !8, i64 80, !11, i64 88, !12, i64 96}
!7 = !{!"_ZTS21ggml_backend_buffer_i", !8, i64 0, !8, i64 8, !8, i64 16, !8, i64 24, !8, i64 32, !8, i64 40, !8, i64 48, !8, i64 56, !8, i64 64}
!8 = !{!"any pointer", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C++ TBAA"}
!11 = !{!"long", !9, i64 0}
!12 = !{!"_ZTS25ggml_backend_buffer_usage", !9, i64 0}
!13 = !{!14, !11, i64 8}
!14 = !{!"_ZTS33ggml_backend_multi_buffer_context", !8, i64 0, !11, i64 8}
!15 = !{!14, !8, i64 0}
!16 = !{!8, !8, i64 0}
!17 = distinct !{!17, !18}
!18 = !{!"llvm.loop.mustprogress"}


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