Make the JIT default to the DAG isel instead of the pattern isel, like LLC.
The Pattern isel has some strange memory corruption issues going on. :(

This should have been converted over anyway, but it got forgotten somehow
when switching to the dag isel.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23523 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCTargetMachine.cpp b/lib/Target/PowerPC/PPCTargetMachine.cpp
index 487f144..1be28ec 100644
--- a/lib/Target/PowerPC/PPCTargetMachine.cpp
+++ b/lib/Target/PowerPC/PPCTargetMachine.cpp
@@ -145,7 +145,10 @@
   PM.add(createUnreachableBlockEliminationPass());
 
   // Install an instruction selector.
-  PM.add(createPPC32ISelPattern(TM));
+  if (!DisablePPCDAGDAG)
+    PM.add(createPPC32ISelDag(TM));
+  else
+    PM.add(createPPC32ISelPattern(TM));
 
   PM.add(createRegisterAllocator());
   PM.add(createPrologEpilogCodeInserter());