Revert r257117 "Performance improvement: Change lldb so that it

puts a breakpoint" it is causing a regression in the TestStepNoDebug
test case on ubuntu 14.04 with gcc 4.9.2.  Thanks for the email
Siva.  I'll recommit when I've figured out the regression.

llvm-svn: 257138

1 files changed, 0 insertions, 62 deletions

diff --git a/lldb/source/Target/Process.cpp b/lldb/source/Target/Process.cpp
index e4fe419660e..311c695860f 100644
--- a/lldb/source/Target/Process.cpp
+++ b/lldb/source/Target/Process.cpp
@@ -6515,65 +6515,3 @@ Process::ResetImageToken(size_t token)
     if (token < m_image_tokens.size())
         m_image_tokens[token] = LLDB_INVALID_IMAGE_TOKEN;
 }
-
-Address
-Process::AdvanceAddressToNextBranchInstruction (Address default_stop_addr, AddressRange range_bounds)
-{
-    Target &target = GetTarget();
-    DisassemblerSP disassembler_sp;
-    InstructionList *insn_list = NULL;
-
-    Address retval = default_stop_addr;
-
-    if (target.GetUseFastStepping() == false)
-        return retval;
-    if (default_stop_addr.IsValid() == false)
-        return retval;
-
-    ExecutionContext exe_ctx (this);
-    const char *plugin_name = nullptr;
-    const char *flavor = nullptr;
-    const bool prefer_file_cache = true;
-    disassembler_sp = Disassembler::DisassembleRange(target.GetArchitecture(),
-                                                     plugin_name,
-                                                     flavor,
-                                                     exe_ctx,
-                                                     range_bounds,
-                                                     prefer_file_cache);
-    if (disassembler_sp.get())
-        insn_list = &disassembler_sp->GetInstructionList();
-
-    if (insn_list == NULL)
-    {
-        return retval;
-    }
-
-    size_t insn_offset = insn_list->GetIndexOfInstructionAtAddress (default_stop_addr);
-    if (insn_offset == UINT32_MAX)
-    {
-        return retval;
-    }
-
-    uint32_t branch_index = insn_list->GetIndexOfNextBranchInstruction (insn_offset, target);
-    if (branch_index == UINT32_MAX)
-    {
-        return retval;
-    }
-
-    if (branch_index > insn_offset)
-    {
-        Address next_branch_insn_address = insn_list->GetInstructionAtIndex (branch_index)->GetAddress();
-        if (next_branch_insn_address.IsValid() && range_bounds.ContainsFileAddress (next_branch_insn_address))
-        {
-            retval = next_branch_insn_address;
-        }
-    }
-
-    if (disassembler_sp.get())
-    {
-        // FIXME: The DisassemblerLLVMC has a reference cycle and won't go away if it has any active instructions.
-        disassembler_sp->GetInstructionList().Clear();
-    }
-
-    return retval;
-}