[Lldb-commits] [PATCH] D134378: [lldb] Support simplified template names

Michael Buch via Phabricator via lldb-commits lldb-commits at lists.llvm.org
Thu Oct 6 02:48:47 PDT 2022


Michael137 added inline comments.


================
Comment at: lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp:1528
+DWARFASTParserClang::GetTemplateParametersString(const DWARFDIE &die) {
+  if (llvm::StringRef(die.GetName()).contains("<"))
+    return std::string();
----------------
Michael137 wrote:
> Michael137 wrote:
> > Can this affect `operator<` at all? Haven't thought much about it but that's one construct that comes to mind that can contain `<`
> > 
> > ```
> > $ cat operator.cpp 
> > template<typename T>
> > struct Foo {
> >     int x = 0;
> > 
> >     template<typename U>
> >     friend bool operator<(Foo<U> const& lhs, Foo<U> const& rhs) {
> >         return lhs.x < rhs.x;
> >     }
> > };
> > 
> > int main() {
> >     Foo<int> x;
> >     Foo<int> y;
> >     return x < y;
> > }
> > ```
> > 
> > ```
> > 0x000000c8:   DW_TAG_subprogram                                    
> >                 DW_AT_low_pc    (0x0000000100003f5c)               
> >                 DW_AT_high_pc   (0x0000000100003f8c)               
> >                 DW_AT_APPLE_omit_frame_ptr      (true)        
> >                 DW_AT_frame_base        (DW_OP_reg31 WSP)          
> >                 DW_AT_linkage_name      ("_ZltIiEbRK3FooIT_ES4_")  
> >                 DW_AT_name      ("operator<<int>")                 
> >                 DW_AT_decl_file ("/Users/michaelbuch/operator.cpp")
> >                 DW_AT_decl_line (6)                                
> >                 DW_AT_type      (0x0000000000000135 "bool")        
> >                 DW_AT_external  (true)                             
> > ```
> Looks like `-gsimple-template-names` leaves the template params in `DW_AT_name` in this case so we're fine? Would be nice to test though
Oh this wouldn't apply anyway since we only care about type names, ignore this comment


Repository:
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CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D134378/new/

https://reviews.llvm.org/D134378



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