Drop obsolete hook and change all usage to new interface

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56572 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Alpha/AlphaAsmPrinter.cpp b/lib/Target/Alpha/AlphaAsmPrinter.cpp
index d92317e..b1265af 100644
--- a/lib/Target/Alpha/AlphaAsmPrinter.cpp
+++ b/lib/Target/Alpha/AlphaAsmPrinter.cpp
@@ -149,7 +149,7 @@
 
   // Print out labels for the function.
   const Function *F = MF.getFunction();
-  SwitchToTextSection(getSectionForFunction(*F).c_str(), F);
+  SwitchToTextSection(TAI->SectionForGlobal(F).c_str(), F);
 
   EmitAlignment(4, F);
   switch (F->getLinkage()) {