reduce #includage


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78860 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm/Target/TargetLoweringObjectFile.h b/include/llvm/Target/TargetLoweringObjectFile.h
index 2ca1963..b671082 100644
--- a/include/llvm/Target/TargetLoweringObjectFile.h
+++ b/include/llvm/Target/TargetLoweringObjectFile.h
@@ -15,15 +15,14 @@
 #ifndef LLVM_TARGET_TARGETLOWERINGOBJECTFILE_H
 #define LLVM_TARGET_TARGETLOWERINGOBJECTFILE_H
 
-#include "llvm/ADT/SmallVector.h"
-#include "llvm/ADT/StringMap.h"
 #include "llvm/MC/SectionKind.h"
 
 namespace llvm {
+  class Mangler;
   class MCSection;
   class MCContext;
   class GlobalValue;
-  class Mangler;
+  class StringRef;
   class TargetMachine;
   class TargetAsmInfo;
   
@@ -258,12 +257,14 @@
 
   /// getMachOSection - Return the MCSection for the specified mach-o section.
   /// This requires the operands to be valid.
-  const MCSection *getMachOSection(StringRef Segment, StringRef Section,
+  const MCSection *getMachOSection(const StringRef &Segment,
+                                   const StringRef &Section,
                                    unsigned TypeAndAttributes,
                                    SectionKind K) const {
     return getMachOSection(Segment, Section, TypeAndAttributes, 0, K);
   }
-  const MCSection *getMachOSection(StringRef Segment, StringRef Section,
+  const MCSection *getMachOSection(const StringRef &Segment,
+                                   const StringRef &Section,
                                    unsigned TypeAndAttributes,
                                    unsigned Reserved2, SectionKind K) const;
 
diff --git a/lib/Target/TargetLoweringObjectFile.cpp b/lib/Target/TargetLoweringObjectFile.cpp
index 8f9058b..321af98 100644
--- a/lib/Target/TargetLoweringObjectFile.cpp
+++ b/lib/Target/TargetLoweringObjectFile.cpp
@@ -511,7 +511,7 @@
 
 
 const MCSection *TargetLoweringObjectFileMachO::
-getMachOSection(StringRef Segment, StringRef Section,
+getMachOSection(const StringRef &Segment, const StringRef &Section,
                 unsigned TypeAndAttributes,
                 unsigned Reserved2, SectionKind Kind) const {
   // FIXME: UNIQUE HERE.