Trying to unbreak the darwin11 builder

The CR bit tracking code broke PPC/Darwin; trying to get it working again...

(the darwin11 builder, which defaults to the darwin ABI when running PPC tests,
asserted when running test/CodeGen/PowerPC/inverted-bool-compares.ll)

llvm-svn: 202459
diff --git a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
index 90bd867..f56f0cf 100644
--- a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -2641,6 +2641,7 @@
 
       switch(ObjectVT.getSimpleVT().SimpleTy) {
       default: llvm_unreachable("Unhandled argument type!");
+      case MVT::i1:
       case MVT::i32:
       case MVT::f32:
         VecArgOffset += 4;
@@ -2764,6 +2765,7 @@
 
     switch (ObjectVT.getSimpleVT().SimpleTy) {
     default: llvm_unreachable("Unhandled argument type!");
+    case MVT::i1:
     case MVT::i32:
       if (!isPPC64) {
         if (GPR_idx != Num_GPR_Regs) {
@@ -4399,6 +4401,7 @@
 
     switch (Arg.getSimpleValueType().SimpleTy) {
     default: llvm_unreachable("Unexpected ValueType for argument!");
+    case MVT::i1:
     case MVT::i32:
     case MVT::i64:
       if (GPR_idx != NumGPRs) {