; LLVM IR from gulrak/filesystem :: test/filesystem_test.ll (ZN5Catch21FatalConditionHandlerC2Ev)

; 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"

%"class.Catch::FatalConditionHandler" = type { i8 }

@.str.113 = external hidden unnamed_addr constant [66 x i8], align 1
@_ZN5CatchL11altStackMemE = external hidden global ptr, align 8
@.str.117 = external hidden unnamed_addr constant [81 x i8], align 1
@__PRETTY_FUNCTION__._ZN5Catch21FatalConditionHandlerC2Ev = external hidden unnamed_addr constant [54 x i8], align 1
@_ZN5CatchL12altStackSizeE = external hidden global i64, align 8
@_ZN12_GLOBAL__N_121minStackSizeForErrorsE = external hidden constant i64, align 8

; 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: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #1

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) #2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN5Catch21FatalConditionHandlerC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %0) unnamed_addr #3 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca i64, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %4 = load ptr, ptr %2, align 8
  %5 = getelementptr inbounds %"class.Catch::FatalConditionHandler", ptr %4, i32 0, i32 0
  store i8 0, ptr %5, align 1, !tbaa !9
  %6 = load ptr, ptr @_ZN5CatchL11altStackMemE, align 8, !tbaa !5
  %7 = icmp ne ptr %6, null
  br i1 %7, label %9, label %8

8:                                                ; preds = %1
  br label %9

9:                                                ; preds = %8, %1
  %10 = phi i1 [ false, %1 ], [ true, %8 ]
  br i1 %10, label %11, label %12

11:                                               ; preds = %9
  br label %14

12:                                               ; preds = %9
  call void @__assert_fail(ptr noundef @.str.117, ptr noundef @.str.113, i32 noundef 10917, ptr noundef @__PRETTY_FUNCTION__._ZN5Catch21FatalConditionHandlerC2Ev) #7
  unreachable

13:                                               ; No predecessors!
  br label %14

14:                                               ; preds = %13, %11
  %15 = load i64, ptr @_ZN5CatchL12altStackSizeE, align 8, !tbaa !12
  %16 = icmp eq i64 %15, 0
  br i1 %16, label %17, label %21

17:                                               ; preds = %14
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #8
  %18 = call i64 @sysconf(i32 noundef 250) #8
  store i64 %18, ptr %3, align 8, !tbaa !12
  %19 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3maxImERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) @_ZN12_GLOBAL__N_121minStackSizeForErrorsE)
  %20 = load i64, ptr %19, align 8, !tbaa !12
  store i64 %20, ptr @_ZN5CatchL12altStackSizeE, align 8, !tbaa !12
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #8
  br label %21

21:                                               ; preds = %17, %14
  %22 = load i64, ptr @_ZN5CatchL12altStackSizeE, align 8, !tbaa !12
  %23 = call noalias noundef nonnull ptr @_Znam(i64 noundef %22) #9
  call void @llvm.memset.p0.i64(ptr align 1 %23, i8 0, i64 %22, i1 false)
  store ptr %23, ptr @_ZN5CatchL11altStackMemE, align 8, !tbaa !5
  ret void
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3maxImERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #4

; Function Attrs: nounwind
declare i64 @sysconf(i32 noundef) #5

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znam(i64 noundef) #6

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #2 = { noreturn 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 = { 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 #4 = { inlinehint 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 #5 = { 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 #6 = { nobuiltin 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 #7 = { noreturn nounwind }
attributes #8 = { nounwind }
attributes #9 = { builtin allocsize(0) }

!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, !11, i64 0}
!10 = !{!"_ZTSN5Catch21FatalConditionHandlerE", !11, i64 0}
!11 = !{!"bool", !7, i64 0}
!12 = !{!13, !13, i64 0}
!13 = !{!"long", !7, i64 0}


; 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.113 = external hidden unnamed_addr constant [66 x i8], align 1
@_ZN5CatchL11altStackMemE = external hidden local_unnamed_addr global ptr, align 8
@.str.117 = external hidden unnamed_addr constant [81 x i8], align 1
@__PRETTY_FUNCTION__._ZN5Catch21FatalConditionHandlerC2Ev = external hidden unnamed_addr constant [54 x i8], align 1
@_ZN5CatchL12altStackSizeE = external hidden local_unnamed_addr global i64, align 8
@_ZN12_GLOBAL__N_121minStackSizeForErrorsE = external hidden constant i64, align 8

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

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

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #1

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN5Catch21FatalConditionHandlerC2Ev(ptr nocapture noundef nonnull writeonly align 1 dereferenceable(1) %0) unnamed_addr #3 align 2 {
  %2 = alloca i64, align 8
  store i8 0, ptr %0, align 1, !tbaa !5
  %3 = load ptr, ptr @_ZN5CatchL11altStackMemE, align 8, !tbaa !10
  %.not = icmp eq ptr %3, null
  br i1 %.not, label %5, label %4

4:                                                ; preds = %1
  tail call void @__assert_fail(ptr noundef nonnull @.str.117, ptr noundef nonnull @.str.113, i32 noundef 10917, ptr noundef nonnull @__PRETTY_FUNCTION__._ZN5Catch21FatalConditionHandlerC2Ev) #7
  unreachable

5:                                                ; preds = %1
  %6 = load i64, ptr @_ZN5CatchL12altStackSizeE, align 8, !tbaa !12
  %7 = icmp eq i64 %6, 0
  br i1 %7, label %8, label %12

8:                                                ; preds = %5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #8
  %9 = tail call i64 @sysconf(i32 noundef 250) #8
  store i64 %9, ptr %2, align 8, !tbaa !12
  %10 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3maxImERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) @_ZN12_GLOBAL__N_121minStackSizeForErrorsE)
  %11 = load i64, ptr %10, align 8, !tbaa !12
  store i64 %11, ptr @_ZN5CatchL12altStackSizeE, align 8, !tbaa !12
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #8
  br label %12

12:                                               ; preds = %8, %5
  %13 = phi i64 [ %11, %8 ], [ %6, %5 ]
  %14 = call noalias noundef nonnull ptr @_Znam(i64 noundef %13) #9
  call void @llvm.memset.p0.i64(ptr nonnull align 1 %14, i8 0, i64 %13, i1 false)
  store ptr %14, ptr @_ZN5CatchL11altStackMemE, align 8, !tbaa !10
  ret void
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3maxImERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4

; Function Attrs: nounwind
declare i64 @sysconf(i32 noundef) local_unnamed_addr #5

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znam(i64 noundef) local_unnamed_addr #6

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #2 = { noreturn 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 = { 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 #4 = { inlinehint 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 #5 = { 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 #6 = { nobuiltin 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 #7 = { noreturn nounwind }
attributes #8 = { nounwind }
attributes #9 = { builtin allocsize(0) }

!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 = !{!"_ZTSN5Catch21FatalConditionHandlerE", !7, i64 0}
!7 = !{!"bool", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!11, !11, i64 0}
!11 = !{!"any pointer", !8, i64 0}
!12 = !{!13, !13, i64 0}
!13 = !{!"long", !8, i64 0}


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