; LLVM IR from taichi-dev/taichi :: taichi/runtime/llvm/runtime_module (runtime)

; 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"

; 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: mustprogress nounwind uwtable
define dso_local void @atomic_set_mask_b64(ptr noundef %0, i64 noundef %1, i64 noundef %2) #1 {
  %4 = alloca ptr, align 8
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  %9 = alloca i64, align 8
  %10 = alloca i8, align 1
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i64 %1, ptr %5, align 8, !tbaa !9
  store i64 %2, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #2
  %11 = load i64, ptr %5, align 8, !tbaa !9
  store i64 %11, ptr %7, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #2
  store i64 0, ptr %8, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #2
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  %13 = load i64, ptr %12, align 8, !tbaa !9
  store i64 %13, ptr %9, align 8, !tbaa !9
  br label %14

14:                                               ; preds = %33, %3
  %15 = load ptr, ptr %4, align 8, !tbaa !5
  %16 = load i64, ptr %15, align 8, !tbaa !9
  store i64 %16, ptr %9, align 8, !tbaa !9
  %17 = load i64, ptr %9, align 8, !tbaa !9
  %18 = load i64, ptr %7, align 8, !tbaa !9
  %19 = xor i64 %18, -1
  %20 = and i64 %17, %19
  %21 = load i64, ptr %6, align 8, !tbaa !9
  %22 = load i64, ptr %5, align 8, !tbaa !9
  %23 = and i64 %21, %22
  %24 = or i64 %20, %23
  store i64 %24, ptr %8, align 8, !tbaa !9
  br label %25

25:                                               ; preds = %14
  %26 = load ptr, ptr %4, align 8, !tbaa !5
  %27 = load i64, ptr %9, align 8
  %28 = load i64, ptr %8, align 8
  %29 = cmpxchg weak ptr %26, i64 %27, i64 %28 seq_cst seq_cst, align 8
  %30 = extractvalue { i64, i1 } %29, 0
  %31 = extractvalue { i64, i1 } %29, 1
  br i1 %31, label %33, label %32

32:                                               ; preds = %25
  store i64 %30, ptr %9, align 8
  br label %33

33:                                               ; preds = %32, %25
  %34 = zext i1 %31 to i8
  store i8 %34, ptr %10, align 1, !tbaa !11
  %35 = load i8, ptr %10, align 1, !tbaa !11, !range !13, !noundef !14
  %36 = trunc i8 %35 to i1
  %37 = xor i1 %36, true
  br i1 %37, label %14, label %38, !llvm.loop !15

38:                                               ; preds = %33
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #2
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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, !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 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"bool", !7, i64 0}
!13 = !{i8 0, i8 2}
!14 = !{}
!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"

; Function Attrs: mustprogress nofree norecurse nounwind memory(argmem: readwrite) uwtable
define dso_local void @atomic_set_mask_b64(ptr nocapture noundef %0, i64 noundef %1, i64 noundef %2) local_unnamed_addr #0 {
  %4 = xor i64 %1, -1
  %5 = and i64 %2, %1
  br label %6

6:                                                ; preds = %6, %3
  %7 = load i64, ptr %0, align 8, !tbaa !5
  %8 = and i64 %7, %4
  %9 = or disjoint i64 %8, %5
  %10 = cmpxchg weak ptr %0, i64 %7, i64 %9 seq_cst seq_cst, align 8
  %11 = extractvalue { i64, i1 } %10, 1
  br i1 %11, label %12, label %6, !llvm.loop !9

12:                                               ; preds = %6
  ret void
}

attributes #0 = { mustprogress nofree norecurse nounwind memory(argmem: readwrite) 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" }

!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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


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