; LLVM IR from thepowersgang/mrustc :: src/hir_conv/constant_evaluation.ll (ZN3MIR4eval11ConstantPtr8allocateEPKvm)

; 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.MIR::eval::ConstantPtr" = type { %"class.MIR::eval::RefCountPtr.0" }
%"class.MIR::eval::RefCountPtr.0" = type { ptr }

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #0

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN3MIR4eval11ConstantPtr8allocateEPKvm(ptr dead_on_unwind noalias writable sret(%"class.MIR::eval::ConstantPtr") align 8 %0, ptr noundef %1, i64 noundef %2) #1 align 2 personality ptr @__gxx_personality_v0 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca i1, align 1
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  store ptr %0, ptr %4, align 8
  store ptr %1, ptr %5, align 8, !tbaa !5
  store i64 %2, ptr %6, align 8, !tbaa !9
  store i1 false, ptr %7, align 1
  call void @_ZN3MIR4eval11ConstantPtrC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %0)
  %10 = invoke noalias noundef nonnull ptr @_Znwm(i64 noundef 24) #5
          to label %11 unwind label %17

11:                                               ; preds = %3
  %12 = load ptr, ptr %5, align 8, !tbaa !5
  %13 = load i64, ptr %6, align 8, !tbaa !9
  invoke void @_ZN3MIR4eval8ConstantC2EPKvm(ptr noundef nonnull align 8 dereferenceable(24) %10, ptr noundef %12, i64 noundef %13)
          to label %14 unwind label %21

14:                                               ; preds = %11
  %15 = getelementptr inbounds %"class.MIR::eval::RefCountPtr.0", ptr %0, i32 0, i32 0
  store ptr %10, ptr %15, align 8, !tbaa !11
  store i1 true, ptr %7, align 1
  %16 = load i1, ptr %7, align 1
  br i1 %16, label %26, label %25

17:                                               ; preds = %3
  %18 = landingpad { ptr, i32 }
          cleanup
  %19 = extractvalue { ptr, i32 } %18, 0
  store ptr %19, ptr %8, align 8
  %20 = extractvalue { ptr, i32 } %18, 1
  store i32 %20, ptr %9, align 4
  br label %27

21:                                               ; preds = %11
  %22 = landingpad { ptr, i32 }
          cleanup
  %23 = extractvalue { ptr, i32 } %22, 0
  store ptr %23, ptr %8, align 8
  %24 = extractvalue { ptr, i32 } %22, 1
  store i32 %24, ptr %9, align 4
  call void @_ZdlPvm(ptr noundef %10, i64 noundef 24) #6
  br label %27

25:                                               ; preds = %14
  call void @_ZN3MIR4eval11RefCountPtrINS0_8ConstantEED2Ev(ptr noundef nonnull align 8 dereferenceable(8) %0) #7
  br label %26

26:                                               ; preds = %25, %14
  ret void

27:                                               ; preds = %21, %17
  call void @_ZN3MIR4eval11RefCountPtrINS0_8ConstantEED2Ev(ptr noundef nonnull align 8 dereferenceable(8) %0) #7
  br label %28

28:                                               ; preds = %27
  %29 = load ptr, ptr %8, align 8
  %30 = load i32, ptr %9, align 4
  %31 = insertvalue { ptr, i32 } poison, ptr %29, 0
  %32 = insertvalue { ptr, i32 } %31, i32 %30, 1
  resume { ptr, i32 } %32
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN3MIR4eval11ConstantPtrC2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #2 align 2

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN3MIR4eval8ConstantC2EPKvm(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef, i64 noundef) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN3MIR4eval11RefCountPtrINS0_8ConstantEED2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #4 align 2

attributes #0 = { nobuiltin 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 #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 = { inlinehint 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 = { 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 #4 = { 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 = { builtin allocsize(0) }
attributes #6 = { builtin nounwind }
attributes #7 = { 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, !6, i64 0}
!12 = !{!"_ZTSN3MIR4eval11RefCountPtrINS0_8ConstantEEE", !6, 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"

%"class.MIR::eval::ConstantPtr" = type { %"class.MIR::eval::RefCountPtr.0" }
%"class.MIR::eval::RefCountPtr.0" = type { ptr }

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN3MIR4eval11ConstantPtr8allocateEPKvm(ptr dead_on_unwind noalias nonnull writable sret(%"class.MIR::eval::ConstantPtr") align 8 %0, ptr noundef %1, i64 noundef %2) local_unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  tail call void @_ZN3MIR4eval11ConstantPtrC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %0)
  %4 = invoke noalias noundef nonnull dereferenceable(24) ptr @_Znwm(i64 noundef 24) #4
          to label %5 unwind label %6

5:                                                ; preds = %3
  tail call void @_ZN3MIR4eval8ConstantC2EPKvm(ptr noundef nonnull align 8 dereferenceable(24) %4, ptr noundef %1, i64 noundef %2)
  store ptr %4, ptr %0, align 8, !tbaa !5
  ret void

6:                                                ; preds = %3
  %7 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZN3MIR4eval11RefCountPtrINS0_8ConstantEED2Ev(ptr noundef nonnull align 8 dereferenceable(8) %0) #5
  resume { ptr, i32 } %7
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN3MIR4eval11ConstantPtrC2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #1 align 2

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN3MIR4eval8ConstantC2EPKvm(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef, i64 noundef) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN3MIR4eval11RefCountPtrINS0_8ConstantEED2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #3 align 2

attributes #0 = { 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 #1 = { inlinehint 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 = { 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 #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 = { builtin allocsize(0) }
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, !7, i64 0}
!6 = !{!"_ZTSN3MIR4eval11RefCountPtrINS0_8ConstantEEE", !7, i64 0}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}


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