remove the SelectSectionForMachineConst hook, replacing it with

a new getSectionForMergableConstant hook.  This removes one dependence
of TAI on Type, and provides the hook with enough info to make the 
right decision based on whether the global has relocations etc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76705 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/ELFWriter.cpp

@@ -155,8 +155,10 @@ ELFSection &ELFWriter::getJumpTableSection() {
 
 // Get a constant pool section based on the section name returned by TAI
 ELFSection &ELFWriter::getConstantPoolSection(MachineConstantPoolEntry &CPE) {
+  uint64_t Size = TM.getTargetData()->getTypeAllocSize(CPE.getType());
+  
   std::string CstPoolName =
-    TAI->SelectSectionForMachineConst(CPE.getType())->getName();
+    TAI->getSectionForMergableConstant(Size,CPE.getRelocationInfo())->getName();
   return getSection(CstPoolName,
                     ELFSection::SHT_PROGBITS,
                     ELFSection::SHF_MERGE | ELFSection::SHF_ALLOC,