Add the ability to disassemble "n" instructions from the current PC, or the first "n" instructions in a function.
Also added a "-p" flag that disassembles from the current pc.

git-svn-id: https://llvm.org/svn/llvm-project/llvdb/trunk@128063 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/source/Plugins/Disassembler/llvm/DisassemblerLLVM.cpp b/source/Plugins/Disassembler/llvm/DisassemblerLLVM.cpp
index 3b10a34..ca51db3 100644
--- a/source/Plugins/Disassembler/llvm/DisassemblerLLVM.cpp
+++ b/source/Plugins/Disassembler/llvm/DisassemblerLLVM.cpp
@@ -404,7 +404,8 @@
     const Address &base_addr,
     const DataExtractor& data,
     uint32_t data_offset,
-    uint32_t num_instructions
+    uint32_t num_instructions,
+    bool append
 )
 {
     if (m_disassembler == NULL)
@@ -412,7 +413,8 @@
 
     size_t total_inst_byte_size = 0;
 
-    m_instruction_list.Clear();
+    if (!append)
+        m_instruction_list.Clear();
 
     while (data.ValidOffset(data_offset) && num_instructions)
     {