Reverting r85338 for now. It's causing a bootstrap failure on PPC darwin9.

--- Reverse-merging r85338 into '.':
U    lib/CodeGen/SimpleRegisterCoalescing.cpp
U    lib/CodeGen/SimpleRegisterCoalescing.h



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85454 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/LLVMTargetMachine.cpp b/lib/CodeGen/LLVMTargetMachine.cpp
index e58a9ca..1000b2e 100644
--- a/lib/CodeGen/LLVMTargetMachine.cpp
+++ b/lib/CodeGen/LLVMTargetMachine.cpp
@@ -239,11 +239,11 @@
   {
   case ExceptionHandling::SjLj:
     // SjLj piggy-backs on dwarf for this bit. The cleanups done apply to both
-    PM.add(createDwarfEHPass(getTargetLowering(), OptLevel==CodeGenOpt::None));
+    PM.add(createDwarfEHPass(getTargetLowering()));
     PM.add(createSjLjEHPass(getTargetLowering()));
     break;
   case ExceptionHandling::Dwarf:
-    PM.add(createDwarfEHPass(getTargetLowering(), OptLevel==CodeGenOpt::None));
+    PM.add(createDwarfEHPass(getTargetLowering()));
     break;
   case ExceptionHandling::None:
     PM.add(createLowerInvokePass(getTargetLowering()));