[Lldb-commits] [lldb] r360599 - [DataFormatters] FindLibCppStdFunctionCallableInfo() currently uses FindFunctions() in order to find a lambdas operator()() but using FindSymbolsMatchingRegExAndType() is cheaper and if we also anchor the regex using ^ this adds some additional performance gains.

[Shafik Yaghmour via lldb-commits]

Author: shafik
Date: Mon May 13 09:48:06 2019
New Revision: 360599

URL: http://llvm.org/viewvc/llvm-project?rev=360599&view=rev
Log:
[DataFormatters] FindLibCppStdFunctionCallableInfo() currently uses FindFunctions() in order to find a lambdas operator()() but using FindSymbolsMatchingRegExAndType() is cheaper and if we also anchor the regex using ^ this adds some additional performance gains.

Differential Revision: https://reviews.llvm.org/D61759

Modified:
    lldb/trunk/source/Target/CPPLanguageRuntime.cpp

Modified: lldb/trunk/source/Target/CPPLanguageRuntime.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Target/CPPLanguageRuntime.cpp?rev=360599&r1=360598&r2=360599&view=diff
==============================================================================
--- lldb/trunk/source/Target/CPPLanguageRuntime.cpp (original)
+++ lldb/trunk/source/Target/CPPLanguageRuntime.cpp Mon May 13 09:48:06 2019
@@ -241,8 +241,8 @@ CPPLanguageRuntime::FindLibCppStdFunctio
 
   SymbolContextList scl;
 
-  target.GetImages().FindFunctions(RegularExpression{func_to_match}, true, true,
-                                   true, scl);
+  target.GetImages().FindSymbolsMatchingRegExAndType(
+      RegularExpression{R"(^)" + func_to_match}, eSymbolTypeAny, scl, true);
 
   // Case 1,2 or 3
   if (scl.GetSize() >= 1) {