Remove getFunctionAlignment from TargetELFInfo and use new MachineFunction alignment method

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74686 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/ELFCodeEmitter.cpp b/lib/CodeGen/ELFCodeEmitter.cpp
index 168fed5..623507a 100644
--- a/lib/CodeGen/ELFCodeEmitter.cpp
+++ b/lib/CodeGen/ELFCodeEmitter.cpp
@@ -40,10 +40,11 @@
   BufferBegin = &BD[0];
   BufferEnd = BufferBegin + BD.capacity();
 
-  // Align the output buffer with function alignment, and
-  // upgrade the section alignment if required
-  unsigned Align =
-    TM.getELFWriterInfo()->getFunctionAlignment(MF.getFunction());
+  // Get the function alignment in bytes
+  unsigned Align = (1 << MF.getAlignment());
+
+  // Align the section size with the function alignment, so the function can
+  // start in a aligned offset, also update the section alignment if needed.
   if (ES->Align < Align) ES->Align = Align;
   ES->Size = (ES->Size + (Align-1)) & (-Align);