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Add a function object to compare the first or second component of a std::pair.

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Replace instances of this scattered around the code base.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189169 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer
2013-08-24 12:54:27 +00:00
parent 4321d4e4a9
commit 0b6962f4be
5 changed files with 28 additions and 55 deletions
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lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+4 -12
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@@ -108,16 +108,8 @@ DwarfPubNames("generate-dwarf-pubnames", cl::Hidden,
clEnumVal(Disable, "Disabled"), clEnumValEnd),
cl::init(Default));
namespace {
const char *const DWARFGroupName = "DWARF Emission";
const char *const DbgTimerName = "DWARF Debug Writer";
struct CompareFirst {
template <typename T> bool operator()(const T &lhs, const T &rhs) const {
return lhs.first < rhs.first;
}
};
} // end anonymous namespace
static const char *const DWARFGroupName = "DWARF Emission";
static const char *const DbgTimerName = "DWARF Debug Writer";
//===----------------------------------------------------------------------===//
@@ -625,7 +617,7 @@ DIE *DwarfDebug::constructScopeDIE(CompileUnit *TheCU, LexicalScope *Scope) {
ImportedEntityMap::const_iterator> Range = std::equal_range(
ScopesWithImportedEntities.begin(), ScopesWithImportedEntities.end(),
std::pair<const MDNode *, const MDNode *>(DS, (const MDNode*)0),
CompareFirst());
less_first());
if (Children.empty() && Range.first == Range.second)
return NULL;
ScopeDIE = constructLexicalScopeDIE(TheCU, Scope);
@@ -879,7 +871,7 @@ void DwarfDebug::beginModule() {
DIImportedEntity(ImportedEntities.getElement(i)).getContext(),
ImportedEntities.getElement(i)));
std::sort(ScopesWithImportedEntities.begin(),
ScopesWithImportedEntities.end(), CompareFirst());
ScopesWithImportedEntities.end(), less_first());
DIArray GVs = CUNode.getGlobalVariables();
for (unsigned i = 0, e = GVs.getNumElements(); i != e; ++i)
CU->createGlobalVariableDIE(GVs.getElement(i));