Don't create new comdats in CodeGen.

This patch stops the implicit creation of comdats during codegen.

Clang now sets the comdat explicitly when it is required. With this patch clang and gcc
now produce the same result in pr19848.

llvm-svn: 226038

1 files changed, 0 insertions, 2 deletions

diff --git a/llvm/lib/Target/XCore/XCoreAsmPrinter.cpp b/llvm/lib/Target/XCore/XCoreAsmPrinter.cpp
index 82e4e3690b4..3999f1254f6 100644
--- a/llvm/lib/Target/XCore/XCoreAsmPrinter.cpp
+++ b/llvm/lib/Target/XCore/XCoreAsmPrinter.cpp
@@ -105,7 +105,6 @@ void XCoreAsmPrinter::emitArrayBound(MCSymbol *Sym, const GlobalVariable *GV) {
                                                       OutContext));
     if (GV->hasWeakLinkage() || GV->hasLinkOnceLinkage() ||
         GV->hasCommonLinkage()) {
-      // TODO Use COMDAT groups for LinkOnceLinkage
       OutStreamer.EmitSymbolAttribute(SymGlob, MCSA_Weak);
     }
   }
@@ -140,7 +139,6 @@ void XCoreAsmPrinter::EmitGlobalVariable(const GlobalVariable *GV) {
     emitArrayBound(GVSym, GV);
     OutStreamer.EmitSymbolAttribute(GVSym, MCSA_Global);
 
-    // TODO Use COMDAT groups for LinkOnceLinkage
     if (GV->hasWeakLinkage() || GV->hasLinkOnceLinkage() ||
         GV->hasCommonLinkage())
       OutStreamer.EmitSymbolAttribute(GVSym, MCSA_Weak);