Remove 64 bit simple ISel, it never worked correctly
Add initial (buggy) implementation of 64 bit pattern ISel


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21096 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCTargetMachine.cpp b/lib/Target/PowerPC/PPCTargetMachine.cpp
index e7ab04f..3d27c98 100644
--- a/lib/Target/PowerPC/PPCTargetMachine.cpp
+++ b/lib/Target/PowerPC/PPCTargetMachine.cpp
@@ -97,7 +97,7 @@
   PM.add(createUnreachableBlockEliminationPass());
 
   if (LP64)
-    PM.add(createPPC64ISelSimple(*this));
+    PM.add(createPPC64ISelPattern(*this));
   else if (EnablePatternISel)
     PM.add(createPPC32ISelPattern(*this));
   else