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

just use a smallstring instead.

llvm-svn: 77144

2 files changed, 20 insertions, 15 deletions

diff --git a/llvm/lib/Target/Sparc/SparcTargetAsmInfo.cpp b/llvm/lib/Target/Sparc/SparcTargetAsmInfo.cpp
index 0087c262fbd..7b9f449436e 100644
--- a/llvm/lib/Target/Sparc/SparcTargetAsmInfo.cpp
+++ b/llvm/lib/Target/Sparc/SparcTargetAsmInfo.cpp
@@ -12,7 +12,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "SparcTargetAsmInfo.h"
-
+#include "llvm/ADT/SmallVector.h"
 using namespace llvm;
 
 SparcELFTargetAsmInfo::SparcELFTargetAsmInfo(const TargetMachine &TM):
@@ -32,19 +32,22 @@ SparcELFTargetAsmInfo::SparcELFTargetAsmInfo(const TargetMachine &TM):
                                  /* Override */ true);
 }
 
-std::string SparcELFTargetAsmInfo::printSectionFlags(unsigned flags) const {
-  if (flags & SectionFlags::Mergeable)
-    return ELFTargetAsmInfo::printSectionFlags(flags);
 
-  std::string Flags;
-  if (!(flags & SectionFlags::Debug))
-    Flags += ",#alloc";
-  if (flags & SectionFlags::Code)
-    Flags += ",#execinstr";
-  if (flags & SectionFlags::Writable)
-    Flags += ",#write";
-  if (flags & SectionFlags::TLS)
-    Flags += ",#tls";
+void SparcELFTargetAsmInfo::getSectionFlags(unsigned Flags,
+                                            SmallVectorImpl<char> &Str) const {
+  if (Flags & SectionFlags::Mergeable)
+    return ELFTargetAsmInfo::getSectionFlags(Flags, Str);
+
+  // FIXME: Inefficient.
+  std::string Res;
+  if (!(Flags & SectionFlags::Debug))
+    Res += ",#alloc";
+  if (Flags & SectionFlags::Code)
+    Res += ",#execinstr";
+  if (Flags & SectionFlags::Writable)
+    Res += ",#write";
+  if (Flags & SectionFlags::TLS)
+    Res += ",#tls";
 
-  return Flags;
+  Str.append(Res.begin(), Res.end());
 }
diff --git a/llvm/lib/Target/Sparc/SparcTargetAsmInfo.h b/llvm/lib/Target/Sparc/SparcTargetAsmInfo.h
index 1af5d80b550..77cf4e9f4d6 100644
--- a/llvm/lib/Target/Sparc/SparcTargetAsmInfo.h
+++ b/llvm/lib/Target/Sparc/SparcTargetAsmInfo.h
@@ -25,7 +25,9 @@ namespace llvm {
   struct SparcELFTargetAsmInfo : public ELFTargetAsmInfo {
     explicit SparcELFTargetAsmInfo(const TargetMachine &TM);
 
-    std::string printSectionFlags(unsigned flags) const;
+    virtual void getSectionFlags(unsigned Flags,
+                                 SmallVectorImpl<char> &Str) const;
+
   };
 
 } // namespace llvm