Add two small structs for readability in place of std::pair and std::tuple. NFC.

llvm-svn: 233422

1 files changed, 9 insertions, 10 deletions

diff --git a/llvm/lib/MC/MCContext.cpp b/llvm/lib/MC/MCContext.cpp
index 3cb3ea12afd..09de4ee05e6 100644
--- a/llvm/lib/MC/MCContext.cpp
+++ b/llvm/lib/MC/MCContext.cpp
@@ -268,11 +268,10 @@ void MCContext::renameELFSection(const MCSectionELF *Section, StringRef Name) {
   if (const MCSymbol *Group = Section->getGroup())
     GroupName = Group->getName();
 
-  ELFUniquingMap.erase(SectionGroupPair(Section->getSectionName(), GroupName));
-  auto I =
-      ELFUniquingMap.insert(std::make_pair(SectionGroupPair(Name, GroupName),
-                                           Section)).first;
-  StringRef CachedName = I->first.first;
+  ELFUniquingMap.erase(ELFSectionKey{Section->getSectionName(), GroupName});
+  auto I = ELFUniquingMap.insert(std::make_pair(ELFSectionKey{Name, GroupName},
+                                                Section)).first;
+  StringRef CachedName = I->first.SectionName;
   const_cast<MCSectionELF*>(Section)->setSectionName(CachedName);
 }
 
@@ -282,7 +281,7 @@ const MCSectionELF *MCContext::getELFSection(StringRef Section, unsigned Type,
                                              const char *BeginSymName) {
   // Do the lookup, if we have a hit, return it.
   auto IterBool = ELFUniquingMap.insert(
-      std::make_pair(SectionGroupPair(Section, Group), nullptr));
+      std::make_pair(ELFSectionKey{Section, Group}, nullptr));
   auto &Entry = *IterBool.first;
   if (!IterBool.second && !Unique)
     return Entry.second;
@@ -291,7 +290,7 @@ const MCSectionELF *MCContext::getELFSection(StringRef Section, unsigned Type,
   if (!Group.empty())
     GroupSym = GetOrCreateSymbol(Group);
 
-  StringRef CachedName = Entry.first.first;
+  StringRef CachedName = Entry.first.SectionName;
 
   SectionKind Kind;
   if (Flags & ELF::SHF_EXECINSTR)
@@ -331,7 +330,7 @@ MCContext::getCOFFSection(StringRef Section, unsigned Characteristics,
                           int Selection, const char *BeginSymName) {
   // Do the lookup, if we have a hit, return it.
 
-  SectionGroupTriple T(Section, COMDATSymName, Selection);
+  COFFSectionKey T{Section, COMDATSymName, Selection};
   auto IterBool = COFFUniquingMap.insert(std::make_pair(T, nullptr));
   auto Iter = IterBool.first;
   if (!IterBool.second)
@@ -345,7 +344,7 @@ MCContext::getCOFFSection(StringRef Section, unsigned Characteristics,
   if (BeginSymName)
     Begin = createTempSymbol(BeginSymName, false);
 
-  StringRef CachedName = std::get<0>(Iter->first);
+  StringRef CachedName = Iter->first.SectionName;
   MCSectionCOFF *Result = new (*this) MCSectionCOFF(
       CachedName, Characteristics, COMDATSymbol, Selection, Kind, Begin);
 
@@ -361,7 +360,7 @@ const MCSectionCOFF *MCContext::getCOFFSection(StringRef Section,
 }
 
 const MCSectionCOFF *MCContext::getCOFFSection(StringRef Section) {
-  SectionGroupTriple T(Section, "", 0);
+  COFFSectionKey T{Section, "", 0};
   auto Iter = COFFUniquingMap.find(T);
   if (Iter == COFFUniquingMap.end())
     return nullptr;