remove a densemap from TargetAsmInfo that was uniquing the targetflags strings,

just use a smallstring instead.

llvm-svn: 77144

2 files changed, 14 insertions, 11 deletions

diff --git a/llvm/lib/Target/X86/X86TargetAsmInfo.cpp b/llvm/lib/Target/X86/X86TargetAsmInfo.cpp
index 5de9d696147..b584cb49c3c 100644
--- a/llvm/lib/Target/X86/X86TargetAsmInfo.cpp
+++ b/llvm/lib/Target/X86/X86TargetAsmInfo.cpp
@@ -274,17 +274,18 @@ getSectionPrefixForUniqueGlobal(SectionKind Kind) const {
   return ".rdata$linkonce";
 }
 
-std::string X86COFFTargetAsmInfo::printSectionFlags(unsigned flags) const {
-  std::string Flags = ",\"";
 
-  if (flags & SectionFlags::Code)
-    Flags += 'x';
-  if (flags & SectionFlags::Writable)
-    Flags += 'w';
-
-  Flags += "\"";
-
-  return Flags;
+void X86COFFTargetAsmInfo::getSectionFlags(unsigned Flags,
+                                           SmallVectorImpl<char> &Str) const {
+  // FIXME: Inefficient.
+  std::string Res = ",\"";
+  if (Flags & SectionFlags::Code)
+    Res += 'x';
+  if (Flags & SectionFlags::Writable)
+    Res += 'w';
+  Res += "\"";
+
+  Str.append(Res.begin(), Res.end());
 }
 
 X86WinTargetAsmInfo::X86WinTargetAsmInfo(const X86TargetMachine &TM):
diff --git a/llvm/lib/Target/X86/X86TargetAsmInfo.h b/llvm/lib/Target/X86/X86TargetAsmInfo.h
index af1ee2d1473..75cd04c51d8 100644
--- a/llvm/lib/Target/X86/X86TargetAsmInfo.h
+++ b/llvm/lib/Target/X86/X86TargetAsmInfo.h
@@ -55,7 +55,9 @@ namespace llvm {
                                            bool Global) const;
     virtual const char *
     getSectionPrefixForUniqueGlobal(SectionKind kind) const;
-    virtual std::string printSectionFlags(unsigned flags) const;
+    
+    virtual void getSectionFlags(unsigned Flags,
+                                 SmallVectorImpl<char> &Str) const;
   };
 
   struct X86WinTargetAsmInfo : public X86GenericTargetAsmInfo {