Create a new register class for the set of all GPRs except the PC.  Use it to tighten our decoding of BFI.

llvm-svn: 137168
diff --git a/llvm/utils/TableGen/EDEmitter.cpp b/llvm/utils/TableGen/EDEmitter.cpp
index 59a765d..37fb6ad 100644
--- a/llvm/utils/TableGen/EDEmitter.cpp
+++ b/llvm/utils/TableGen/EDEmitter.cpp
@@ -555,6 +555,7 @@
                              const std::string &name) {
   REG("GPR");
   REG("rGPR");
+  REG("GPRnopc");
   REG("tcGPR");
   REG("cc_out");
   REG("s_cc_out");