Change ELF systems to use CFI for producing the EH tables. This reduces the

size of the clang binary in Debug builds from 690MB to 679MB.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129518 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/CodeGen/AsmPrinter.h

@@ -183,6 +183,8 @@ namespace llvm {
     /// function.
     void EmitFunctionBody();
 
+    void emitPrologLabel(const MachineInstr &MI);
+
     /// EmitConstantPool - Print to the current output stream assembly
     /// representations of the constants in the constant pool MCP. This is
     /// used to print out constants which have been "spilled to memory" by