Start processing function blocks in Subzero.

src/IceInst.cpp

Index: src/IceInst.cpp
diff --git a/src/IceInst.cpp b/src/IceInst.cpp
index af7152f0a690b8b221b58ae9d0a35b4234fbb60d..bec842100a97d25a01d5c5f5b374c2c65fbabf99 100644
--- a/src/IceInst.cpp
+++ b/src/IceInst.cpp
@@ -228,6 +228,12 @@ InstArithmetic::InstArithmetic(Cfg *Func, OpKind Op, Variable *Dest,
   addSource(Source2);
 }
 
+const char *InstArithmetic::getOpName(OpKind Op) {
+  size_t OpIndex = static_cast<size_t>(Op);
+  return OpIndex < InstArithmeticAttributesSize

[Jim Stichnoth, 2014/08/01 18:05:33]

Instead of "OpIndex < InstArithmeticAttributesSize", can you use "Op <
InstArithmetic::_num" ?  I recently cleaned out those table size consts in
IceInstX8632, and may want to do the same in IceInst.

[Karl, 2014/08/25 17:46:53]

Done.

+      ? InstArithmeticAttributes[OpIndex].DisplayString : "???";
+}
+
 bool InstArithmetic::isCommutative() const {
   return InstArithmeticAttributes[getOp()].IsCommutative;
 }