Add a bit along with the MCSymbols stored in the MachineModuleInfo maps that

indicates that an MCSymbol is external or not. (It's true if it's external.)
This will be used to specify the correct information to add to non-lazy
pointers. That will be explained further when this bit is used.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98199 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 18 insertions, 8 deletions

diff --git a/lib/CodeGen/TargetLoweringObjectFileImpl.cpp b/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
index 2014b429bd..169e2cae1f 100644
--- a/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
+++ b/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
@@ -404,14 +404,19 @@ getSymbolForDwarfGlobalReference(const GlobalValue *GV, Mangler *Mang,
     // Add information about the stub reference to ELFMMI so that the stub
     // gets emitted by the asmprinter.
     MCSymbol *Sym = getContext().GetOrCreateTemporarySymbol(Name.str());
-    MCSymbol *&StubSym = ELFMMI.getGVStubEntry(Sym);
-    if (StubSym == 0) {
+    MachineModuleInfoImpl::StubValueTy &StubSym = ELFMMI.getGVStubEntry(Sym);
+    if (StubSym.getPointer() == 0) {
       Name.clear();
       Mang->getNameWithPrefix(Name, GV, false);
+
       if (GV->hasPrivateLinkage())
-        StubSym = getContext().GetOrCreateTemporarySymbol(Name.str());
+        StubSym = MachineModuleInfoImpl::
+          StubValueTy(getContext().GetOrCreateTemporarySymbol(Name.str()),
+                      false);
       else
-        StubSym = getContext().GetOrCreateSymbol(Name.str());
+        StubSym = MachineModuleInfoImpl::
+          StubValueTy(getContext().GetOrCreateSymbol(Name.str()),
+                      !GV->hasInternalLinkage());
     }
 
     return TargetLoweringObjectFile::
@@ -761,14 +766,19 @@ getSymbolForDwarfGlobalReference(const GlobalValue *GV, Mangler *Mang,
     // Add information about the stub reference to MachOMMI so that the stub
     // gets emitted by the asmprinter.
     MCSymbol *Sym = getContext().GetOrCreateTemporarySymbol(Name.str());
-    MCSymbol *&StubSym = MachOMMI.getGVStubEntry(Sym);
-    if (StubSym == 0) {
+    MachineModuleInfoImpl::StubValueTy &StubSym = MachOMMI.getGVStubEntry(Sym);
+    if (StubSym.getPointer() == 0) {
       Name.clear();
       Mang->getNameWithPrefix(Name, GV, false);
+
       if (GV->hasPrivateLinkage())
-        StubSym = getContext().GetOrCreateTemporarySymbol(Name.str());
+        StubSym = MachineModuleInfoImpl::
+          StubValueTy(getContext().GetOrCreateTemporarySymbol(Name.str()),
+                      false);
       else
-        StubSym = getContext().GetOrCreateSymbol(Name.str());
+        StubSym = MachineModuleInfoImpl::
+          StubValueTy(getContext().GetOrCreateSymbol(Name.str()),
+                      !GV->hasInternalLinkage());
     }
 
     return TargetLoweringObjectFile::