Reduce heap trashing due to std::string construction / concatenation via caching of section flags string representations

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54842 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86TargetAsmInfo.cpp b/lib/Target/X86/X86TargetAsmInfo.cpp
index 984c6b2..178aec0 100644
--- a/lib/Target/X86/X86TargetAsmInfo.cpp
+++ b/lib/Target/X86/X86TargetAsmInfo.cpp
@@ -404,7 +404,7 @@
   }
 }
 
-std::string X86COFFTargetAsmInfo::PrintSectionFlags(unsigned flags) const {
+std::string X86COFFTargetAsmInfo::printSectionFlags(unsigned flags) const {
   std::string Flags = ",\"";
 
   if (flags & SectionFlags::Code)
diff --git a/lib/Target/X86/X86TargetAsmInfo.h b/lib/Target/X86/X86TargetAsmInfo.h
index 0c30545..d7e11e0 100644
--- a/lib/Target/X86/X86TargetAsmInfo.h
+++ b/lib/Target/X86/X86TargetAsmInfo.h
@@ -52,7 +52,7 @@
                                            bool Global) const;
     virtual std::string UniqueSectionForGlobal(const GlobalValue* GV,
                                                SectionKind::Kind kind) const;
-    virtual std::string PrintSectionFlags(unsigned flags) const;
+    virtual std::string printSectionFlags(unsigned flags) const;
   protected:
     const X86TargetMachine *X86TM;
   };