Add the missing hasLinkOnceODRLinkage predicate.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@214312 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/IR/GlobalValue.h

@@ -246,6 +246,7 @@ public:
   bool hasLinkOnceLinkage() const {
     return isLinkOnceLinkage(Linkage);
   }
+  bool hasLinkOnceODRLinkage() const { return isLinkOnceODRLinkage(Linkage); }
   bool hasWeakLinkage() const {
     return isWeakLinkage(Linkage);
   }

lib/CodeGen/AsmPrinter/AsmPrinter.cpp

@@ -253,8 +253,7 @@ bool AsmPrinter::doInitialization(Module &M) {
 }
 
 static bool canBeHidden(const GlobalValue *GV, const MCAsmInfo &MAI) {
-  GlobalValue::LinkageTypes Linkage = GV->getLinkage();
-  if (Linkage != GlobalValue::LinkOnceODRLinkage)
+  if (!GV->hasLinkOnceODRLinkage())
     return false;
 
   if (!MAI.hasWeakDefCanBeHiddenDirective())

lib/LTO/LTOModule.cpp

@@ -349,9 +349,7 @@ void LTOModule::addDefinedFunctionSymbol(const char *Name, const Function *F) {
 
 static bool canBeHidden(const GlobalValue *GV) {
   // FIXME: this is duplicated with another static function in AsmPrinter.cpp
-  GlobalValue::LinkageTypes L = GV->getLinkage();
-
-  if (L != GlobalValue::LinkOnceODRLinkage)
+  if (!GV->hasLinkOnceODRLinkage())
     return false;
 
   if (GV->hasUnnamedAddr())

lib/Transforms/IPO/Inliner.cpp

@@ -357,8 +357,7 @@ bool Inliner::shouldInline(CallSite CS) {
   // FIXME: All of this logic should be sunk into getInlineCost. It relies on
   // the internal implementation of the inline cost metrics rather than
   // treating them as truly abstract units etc.
-  if (Caller->hasLocalLinkage() ||
-      Caller->getLinkage() == GlobalValue::LinkOnceODRLinkage) {
+  if (Caller->hasLocalLinkage() || Caller->hasLinkOnceODRLinkage()) {
     int TotalSecondaryCost = 0;
     // The candidate cost to be imposed upon the current function.
     int CandidateCost = IC.getCost() - (InlineConstants::CallPenalty + 1);