ExecutionEngine: fix JIT/MCJIT selectTarget() duplication

This prepares for making JITCtor/MCJITCtor take a
TargetMachine* directly from clients like EngineBuilder.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131025 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/ExecutionEngine/JIT/JIT.cpp b/lib/ExecutionEngine/JIT/JIT.cpp
index d1f87ac..3a780c9 100644
--- a/lib/ExecutionEngine/JIT/JIT.cpp
+++ b/lib/ExecutionEngine/JIT/JIT.cpp
@@ -228,14 +228,21 @@
                                 StringRef MCPU,
                                 const SmallVectorImpl<std::string>& MAttrs) {
   // Try to register the program as a source of symbols to resolve against.
+  //
+  // FIXME: Don't do this here.
   sys::DynamicLibrary::LoadLibraryPermanently(0, NULL);
 
   // Pick a target either via -march or by guessing the native arch.
-  TargetMachine *TM = JIT::selectTarget(M, MArch, MCPU, MAttrs, ErrorStr);
+  //
+  // FIXME: This should be lifted out of here, it isn't something which should
+  // be part of the JIT policy, rather the burden for this selection should be
+  // pushed to clients.
+  TargetMachine *TM =
+          ExecutionEngine::selectTarget(M, MArch, MCPU, MAttrs, ErrorStr);
   if (!TM || (ErrorStr && ErrorStr->length() > 0)) return 0;
   TM->setCodeModel(CMM);
 
-  // If the target supports JIT code generation, create a the JIT.
+  // If the target supports JIT code generation, create the JIT.
   if (TargetJITInfo *TJ = TM->getJITInfo()) {
     return new JIT(M, *TM, *TJ, JMM, OptLevel, GVsWithCode);
   } else {