[bugpoint] Support --safe-run-llc-ia like --run-llc-ia

[jrtc27]

Summary

This is a direct copy of the enum option for --run-llc-ia, and just works as
the implementation is already there, just never wired up to an option.

[MaskRay]

llc-ia is not a good name but that is what we have: UseIntegratedAssembler ? CC::ObjectFile : CC::AsmFile;

[jrtc27]

In D113440#3117340, @MaskRay wrote:

llc-ia is not a good name but that is what we have: UseIntegratedAssembler ? CC::ObjectFile : CC::AsmFile;

Agreed, run-llc-ia should really have been called something like run-llc-obj, oh well

llvm/tools/bugpoint/ExecutionDriver.cpp

cl::values(clEnumValN(AutoPick, "auto", "Use best guess"),
                           "Use -exec-command to define a command to execute "
                           "the bitcode. Useful for cross-compilation.")),
     cl::init(AutoPick));
 
 cl::opt<OutputType> SafeInterpreterSel(
     cl::desc("Specify \"safe\" i.e. known-good backend:"),
     cl::values(clEnumValN(AutoPick, "safe-auto", "Use best guess"),
                clEnumValN(RunLLC, "safe-run-llc", "Compile with LLC"),
+               clEnumValN(RunLLCIA, "safe-run-llc-ia",
+                          "Compile with LLC with integrated assembler"),
                clEnumValN(Custom, "safe-run-custom",
                           "Use -exec-command to define a command to execute "
                           "the bitcode. Useful for cross-compilation.")),
     cl::init(AutoPick));
 
 cl::opt<std::string> SafeInterpreterPath(
     "safe-path", cl::desc("Specify the path to the \"safe\" backend program"),
     cl::init(""));