; LLVM IR from DanEngelbrecht/longtail :: lib/atomiccancel (longtail_atomiccancel)

; 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.Longtail_LogContextFmt_Private = type { ptr, ptr, i64 }
%struct.AtomicCancelAPI = type { %struct.Longtail_CancelAPI }
%struct.Longtail_CancelAPI = type { %struct.Longtail_API, ptr, ptr, ptr, ptr }
%struct.Longtail_API = type { ptr }

@.str = external hidden unnamed_addr constant [98 x i8], align 1
@__func__.Longtail_CreateAtomicCancelAPI = external hidden unnamed_addr constant [31 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [32 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local ptr @Longtail_CreateAtomicCancelAPI() #0 {
  %1 = alloca ptr, align 8
  %2 = alloca %struct.Longtail_LogContextFmt_Private, align 8
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 24, ptr %2) #4
  call void @llvm.memset.p0.i64(ptr align 8 %2, i8 0, i64 24, i1 false)
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #4
  store ptr %2, ptr %3, align 8, !tbaa !5
  %6 = load ptr, ptr %3, align 8, !tbaa !5
  call void (ptr, ptr, i32, ptr, i32, ptr, ...) @Longtail_CallLogger(ptr noundef @.str, ptr noundef @__func__.Longtail_CreateAtomicCancelAPI, i32 noundef 113, ptr noundef %6, i32 noundef 0, ptr noundef @.str.1, ptr noundef @.str.2)
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #4
  %7 = call ptr @Longtail_Alloc(ptr noundef @.str.3, i64 noundef 40)
  store ptr %7, ptr %4, align 8, !tbaa !5
  %8 = load ptr, ptr %4, align 8, !tbaa !5
  %9 = icmp ne ptr %8, null
  br i1 %9, label %12, label %10

10:                                               ; preds = %0
  %11 = load ptr, ptr %3, align 8, !tbaa !5
  call void (ptr, ptr, i32, ptr, i32, ptr, ...) @Longtail_CallLogger(ptr noundef @.str, ptr noundef @__func__.Longtail_CreateAtomicCancelAPI, i32 noundef 118, ptr noundef %11, i32 noundef 3, ptr noundef @.str.4, i32 noundef 12)
  store ptr null, ptr %1, align 8
  store i32 1, ptr %5, align 4
  br label %16

12:                                               ; preds = %0
  %13 = load ptr, ptr %4, align 8, !tbaa !5
  call void @AtomicCancelAPI_Init(ptr noundef %13)
  %14 = load ptr, ptr %4, align 8, !tbaa !5
  %15 = getelementptr inbounds %struct.AtomicCancelAPI, ptr %14, i32 0, i32 0
  store ptr %15, ptr %1, align 8
  store i32 1, ptr %5, align 4
  br label %16

16:                                               ; preds = %12, %10
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr %2) #4
  %17 = load ptr, ptr %1, align 8
  ret ptr %17
}

; 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

declare void @Longtail_CallLogger(ptr noundef, ptr noundef, i32 noundef, ptr noundef, i32 noundef, ptr noundef, ...) #3

declare ptr @Longtail_Alloc(ptr noundef, i64 noundef) #3

; Function Attrs: nounwind uwtable
declare hidden void @AtomicCancelAPI_Init(ptr noundef) #0

; 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 = { "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 }

!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"}


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

@.str = external hidden unnamed_addr constant [98 x i8], align 1
@__func__.Longtail_CreateAtomicCancelAPI = external hidden unnamed_addr constant [31 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [32 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local ptr @Longtail_CreateAtomicCancelAPI() local_unnamed_addr #0 {
  %1 = alloca %struct.Longtail_LogContextFmt_Private, align 8
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %1) #4
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(24) %1, i8 0, i64 24, i1 false)
  call void (ptr, ptr, i32, ptr, i32, ptr, ...) @Longtail_CallLogger(ptr noundef nonnull @.str, ptr noundef nonnull @__func__.Longtail_CreateAtomicCancelAPI, i32 noundef 113, ptr noundef nonnull %1, i32 noundef 0, ptr noundef nonnull @.str.1, ptr noundef nonnull @.str.2) #4
  %2 = call ptr @Longtail_Alloc(ptr noundef nonnull @.str.3, i64 noundef 40) #4
  %.not = icmp eq ptr %2, null
  br i1 %.not, label %3, label %4

3:                                                ; preds = %0
  call void (ptr, ptr, i32, ptr, i32, ptr, ...) @Longtail_CallLogger(ptr noundef nonnull @.str, ptr noundef nonnull @__func__.Longtail_CreateAtomicCancelAPI, i32 noundef 118, ptr noundef nonnull %1, i32 noundef 3, ptr noundef nonnull @.str.4, i32 noundef 12) #4
  br label %5

4:                                                ; preds = %0
  call void @AtomicCancelAPI_Init(ptr noundef nonnull %2)
  br label %5

5:                                                ; preds = %4, %3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %1) #4
  ret ptr %2
}

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

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #2

declare void @Longtail_CallLogger(ptr noundef, ptr noundef, i32 noundef, ptr noundef, i32 noundef, ptr noundef, ...) local_unnamed_addr #3

declare ptr @Longtail_Alloc(ptr noundef, i64 noundef) local_unnamed_addr #3

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

; Function Attrs: mustprogress 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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #3 = { "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 }

!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)"}


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