; LLVM IR from turi-code/SFrame :: oss_src/cppipc/common/message_types.ll (ZN6cppipc12call_message5clearEv)

; 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.cppipc::call_message" = type <{ i64, %"class.std::__cxx11::basic_string", %"class.std::map", %"class.std::__cxx11::basic_string", ptr, i64, i8, [7 x i8] }>
%"class.std::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<std::__cxx11::basic_string<char>, std::pair<const std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char>>, std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char>>>, std::less<std::__cxx11::basic_string<char>>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<std::__cxx11::basic_string<char>, std::pair<const std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char>>, std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char>>>, std::less<std::__cxx11::basic_string<char>>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN6cppipc12call_message5clearEv(ptr noundef nonnull align 8 dereferenceable(137) %0) #0 align 2 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8
  %4 = getelementptr inbounds %"struct.cppipc::call_message", ptr %3, i32 0, i32 6
  %5 = load i8, ptr %4, align 8, !tbaa !9, !range !23, !noundef !24
  %6 = trunc i8 %5 to i1
  br i1 %6, label %15, label %7

7:                                                ; preds = %1
  %8 = getelementptr inbounds %"struct.cppipc::call_message", ptr %3, i32 0, i32 4
  %9 = load ptr, ptr %8, align 8, !tbaa !25
  %10 = icmp ne ptr %9, null
  br i1 %10, label %11, label %14

11:                                               ; preds = %7
  %12 = getelementptr inbounds %"struct.cppipc::call_message", ptr %3, i32 0, i32 4
  %13 = load ptr, ptr %12, align 8, !tbaa !25
  call void @free(ptr noundef %13) #2
  br label %14

14:                                               ; preds = %11, %7
  br label %15

15:                                               ; preds = %14, %1
  %16 = getelementptr inbounds %"struct.cppipc::call_message", ptr %3, i32 0, i32 4
  store ptr null, ptr %16, align 8, !tbaa !25
  %17 = getelementptr inbounds %"struct.cppipc::call_message", ptr %3, i32 0, i32 0
  store i64 0, ptr %17, align 8, !tbaa !26
  %18 = getelementptr inbounds %"struct.cppipc::call_message", ptr %3, i32 0, i32 6
  store i8 0, ptr %18, align 8, !tbaa !9
  ret void
}

; Function Attrs: nounwind
declare void @free(ptr noundef) #1

attributes #0 = { 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 #1 = { 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 #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, !22, i64 136}
!10 = !{!"_ZTSN6cppipc12call_messageE", !11, i64 0, !12, i64 8, !14, i64 40, !12, i64 88, !6, i64 120, !11, i64 128, !22, i64 136}
!11 = !{!"long", !7, i64 0}
!12 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !13, i64 0, !11, i64 8, !7, i64 16}
!13 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !6, i64 0}
!14 = !{!"_ZTSSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_St4lessIS5_ESaISt4pairIKS5_S5_EEE", !15, i64 0}
!15 = !{!"_ZTSSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_S5_ESt10_Select1stIS8_ESt4lessIS5_ESaIS8_EE", !16, i64 0}
!16 = !{!"_ZTSNSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_S5_ESt10_Select1stIS8_ESt4lessIS5_ESaIS8_EE13_Rb_tree_implISC_Lb1EEE", !17, i64 0, !19, i64 8}
!17 = !{!"_ZTSSt20_Rb_tree_key_compareISt4lessINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEE", !18, i64 0}
!18 = !{!"_ZTSSt4lessINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEE"}
!19 = !{!"_ZTSSt15_Rb_tree_header", !20, i64 0, !11, i64 32}
!20 = !{!"_ZTSSt18_Rb_tree_node_base", !21, i64 0, !6, i64 8, !6, i64 16, !6, i64 24}
!21 = !{!"_ZTSSt14_Rb_tree_color", !7, i64 0}
!22 = !{!"bool", !7, i64 0}
!23 = !{i8 0, i8 2}
!24 = !{}
!25 = !{!10, !6, i64 120}
!26 = !{!10, !11, 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"

; Function Attrs: mustprogress nounwind willreturn uwtable
define dso_local void @_ZN6cppipc12call_message5clearEv(ptr nocapture noundef nonnull align 8 dereferenceable(137) %0) local_unnamed_addr #0 align 2 {
  %2 = getelementptr inbounds i8, ptr %0, i64 136
  %3 = load i8, ptr %2, align 8, !tbaa !5, !range !22, !noundef !23
  %4 = trunc nuw i8 %3 to i1
  br i1 %4, label %9, label %5

5:                                                ; preds = %1
  %6 = getelementptr inbounds i8, ptr %0, i64 120
  %7 = load ptr, ptr %6, align 8, !tbaa !24
  %.not = icmp eq ptr %7, null
  br i1 %.not, label %9, label %8

8:                                                ; preds = %5
  tail call void @free(ptr noundef nonnull %7) #2
  br label %9

9:                                                ; preds = %5, %8, %1
  %10 = getelementptr inbounds i8, ptr %0, i64 120
  store ptr null, ptr %10, align 8, !tbaa !24
  store i64 0, ptr %0, align 8, !tbaa !25
  store i8 0, ptr %2, align 8, !tbaa !5
  ret void
}

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #1

attributes #0 = { mustprogress nounwind willreturn 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 nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite) "alloc-family"="malloc" "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, !21, i64 136}
!6 = !{!"_ZTSN6cppipc12call_messageE", !7, i64 0, !10, i64 8, !13, i64 40, !10, i64 88, !12, i64 120, !7, i64 128, !21, i64 136}
!7 = !{!"long", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !11, i64 0, !7, i64 8, !8, i64 16}
!11 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !12, i64 0}
!12 = !{!"any pointer", !8, i64 0}
!13 = !{!"_ZTSSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_St4lessIS5_ESaISt4pairIKS5_S5_EEE", !14, i64 0}
!14 = !{!"_ZTSSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_S5_ESt10_Select1stIS8_ESt4lessIS5_ESaIS8_EE", !15, i64 0}
!15 = !{!"_ZTSNSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_S5_ESt10_Select1stIS8_ESt4lessIS5_ESaIS8_EE13_Rb_tree_implISC_Lb1EEE", !16, i64 0, !18, i64 8}
!16 = !{!"_ZTSSt20_Rb_tree_key_compareISt4lessINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEE", !17, i64 0}
!17 = !{!"_ZTSSt4lessINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEE"}
!18 = !{!"_ZTSSt15_Rb_tree_header", !19, i64 0, !7, i64 32}
!19 = !{!"_ZTSSt18_Rb_tree_node_base", !20, i64 0, !12, i64 8, !12, i64 16, !12, i64 24}
!20 = !{!"_ZTSSt14_Rb_tree_color", !8, i64 0}
!21 = !{!"bool", !8, i64 0}
!22 = !{i8 0, i8 2}
!23 = !{}
!24 = !{!6, !12, i64 120}
!25 = !{!6, !7, i64 0}


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