Revert 75762, 75763, 75766..75769, 75772..75775, 75778, 75780, 75782 to repair broken LLVM-GCC build.
Will revert 75770 in the llvm-gcc trunk.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75799 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/ExecutionEngine/JIT/TargetSelect.cpp b/lib/ExecutionEngine/JIT/TargetSelect.cpp
index a4157bc..24dd013 100644
--- a/lib/ExecutionEngine/JIT/TargetSelect.cpp
+++ b/lib/ExecutionEngine/JIT/TargetSelect.cpp
@@ -45,16 +45,16 @@
                                 JITMemoryManager *JMM,
                                 CodeGenOpt::Level OptLevel,
                                 bool AllocateGVsWithCode) {
-  const Target *TheTarget;
-  if (MArch == 0) {
+  const TargetMachineRegistry::entry *TheArch = MArch;
+  if (TheArch == 0) {
     std::string Error;
-    TheTarget = TargetRegistry::getClosestTargetForJIT(Error);
-    if (TheTarget == 0) {
+    TheArch = TargetMachineRegistry::getClosestTargetForJIT(Error);
+    if (TheArch == 0) {
       if (ErrorStr)
         *ErrorStr = Error;
       return 0;
     }
-  } else if (TheTarget->getJITMatchQuality() == 0) {
+  } else if (TheArch->JITMatchQualityFn() == 0) {
     cerr << "WARNING: This target JIT is not designed for the host you are"
          << " running.  If bad things happen, please choose a different "
          << "-march switch.\n";
@@ -71,8 +71,7 @@
   }
 
   // Allocate a target...
-  TargetMachine *Target = 
-    TheTarget->createTargetMachine(*MP->getModule(), FeaturesStr);
+  TargetMachine *Target = TheArch->CtorFn(*MP->getModule(), FeaturesStr);
   assert(Target && "Could not allocate target machine!");
 
   // If the target supports JIT code generation, return a new JIT now.