; LLVM IR from gem5/gem5 :: ext/dsent/tech/TechModel.ll (ZN5DSENT9TechModelC2Ev)

; 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.DSENT::TechModel" = type { ptr, ptr, ptr, %"class.std::map" }
%"class.std::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<LibUtil::String, std::pair<const LibUtil::String, LibUtil::String>, std::_Select1st<std::pair<const LibUtil::String, LibUtil::String>>, std::less<LibUtil::String>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<LibUtil::String, std::pair<const LibUtil::String, LibUtil::String>, std::_Select1st<std::pair<const LibUtil::String, LibUtil::String>>, std::less<LibUtil::String>>::_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 }

@_ZTVN5DSENT9TechModelE = external dso_local unnamed_addr constant { [6 x ptr] }, align 8

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN5DSENT9TechModelC2Ev(ptr noundef nonnull align 8 dereferenceable(72) %0) unnamed_addr #0 align 2 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8
  store ptr getelementptr inbounds inrange(-16, 32) ({ [6 x ptr] }, ptr @_ZTVN5DSENT9TechModelE, i32 0, i32 0, i32 2), ptr %3, align 8, !tbaa !9
  %4 = getelementptr inbounds %"class.DSENT::TechModel", ptr %3, i32 0, i32 1
  store ptr null, ptr %4, align 8, !tbaa !11
  %5 = getelementptr inbounds %"class.DSENT::TechModel", ptr %3, i32 0, i32 2
  store ptr null, ptr %5, align 8, !tbaa !22
  %6 = getelementptr inbounds %"class.DSENT::TechModel", ptr %3, i32 0, i32 3
  call void @_ZNSt3mapIN7LibUtil6StringES1_St4lessIS1_ESaISt4pairIKS1_S1_EEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %6) #1
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapIN7LibUtil6StringES1_St4lessIS1_ESaISt4pairIKS1_S1_EEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #0 align 2

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 }

!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 = !{!"vtable pointer", !8, i64 0}
!11 = !{!12, !6, i64 8}
!12 = !{!"_ZTSN5DSENT9TechModelE", !6, i64 8, !6, i64 16, !13, i64 24}
!13 = !{!"_ZTSSt3mapIN7LibUtil6StringES1_St4lessIS1_ESaISt4pairIKS1_S1_EEE", !14, i64 0}
!14 = !{!"_ZTSSt8_Rb_treeIN7LibUtil6StringESt4pairIKS1_S1_ESt10_Select1stIS4_ESt4lessIS1_ESaIS4_EE", !15, i64 0}
!15 = !{!"_ZTSNSt8_Rb_treeIN7LibUtil6StringESt4pairIKS1_S1_ESt10_Select1stIS4_ESt4lessIS1_ESaIS4_EE13_Rb_tree_implIS8_Lb1EEE", !16, i64 0, !18, i64 8}
!16 = !{!"_ZTSSt20_Rb_tree_key_compareISt4lessIN7LibUtil6StringEEE", !17, i64 0}
!17 = !{!"_ZTSSt4lessIN7LibUtil6StringEE"}
!18 = !{!"_ZTSSt15_Rb_tree_header", !19, i64 0, !21, i64 32}
!19 = !{!"_ZTSSt18_Rb_tree_node_base", !20, i64 0, !6, i64 8, !6, i64 16, !6, i64 24}
!20 = !{!"_ZTSSt14_Rb_tree_color", !7, i64 0}
!21 = !{!"long", !7, i64 0}
!22 = !{!12, !6, i64 16}


; 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"

@_ZTVN5DSENT9TechModelE = external dso_local unnamed_addr constant { [6 x ptr] }, align 8

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN5DSENT9TechModelC2Ev(ptr noundef nonnull align 8 dereferenceable(72) %0) unnamed_addr #0 align 2 {
  store ptr getelementptr inbounds inrange(-16, 32) (i8, ptr @_ZTVN5DSENT9TechModelE, i64 16), ptr %0, align 8, !tbaa !5
  %2 = getelementptr inbounds i8, ptr %0, i64 8
  %3 = getelementptr inbounds i8, ptr %0, i64 24
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %2, i8 0, i64 16, i1 false)
  tail call void @_ZNSt3mapIN7LibUtil6StringES1_St4lessIS1_ESaISt4pairIKS1_S1_EEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %3) #2
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapIN7LibUtil6StringES1_St4lessIS1_ESaISt4pairIKS1_S1_EEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #0 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}


; Effective O3 passes: InstCombinePass,MemCpyOptPass,SROAPass,TailCallElimPass