Rework our internal representation of node predicates to expose more
structure and fix some fixmes.  We now have a TreePredicateFn class
that handles all of the decoding of these things.  This is an internal
cleanup that has no impact on the code generated by tblgen.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129670 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/DAGISelMatcher.cpp b/utils/TableGen/DAGISelMatcher.cpp
index 2afa2b9..b12e101 100644
--- a/utils/TableGen/DAGISelMatcher.cpp
+++ b/utils/TableGen/DAGISelMatcher.cpp
@@ -83,6 +83,15 @@
 }
 
 
+CheckPredicateMatcher::CheckPredicateMatcher(const TreePredicateFn &pred)
+  : Matcher(CheckPredicate), Pred(pred.getOrigPatFragRecord()) {}
+
+TreePredicateFn CheckPredicateMatcher::getPredicate() const {
+  return TreePredicateFn(Pred);
+}
+
+
+
 // printImpl methods.
 
 void ScopeMatcher::printImpl(raw_ostream &OS, unsigned indent) const {
@@ -129,7 +138,7 @@
 }
 
 void CheckPredicateMatcher::printImpl(raw_ostream &OS, unsigned indent) const {
-  OS.indent(indent) << "CheckPredicate " << PredName << '\n';
+  OS.indent(indent) << "CheckPredicate " << getPredicate().getFnName() << '\n';
 }
 
 void CheckOpcodeMatcher::printImpl(raw_ostream &OS, unsigned indent) const {
@@ -263,7 +272,7 @@
 }
 
 unsigned CheckPredicateMatcher::getHashImpl() const {
-  return HashString(PredName);
+  return HashString(getPredicate().getFnName());
 }
 
 unsigned CheckOpcodeMatcher::getHashImpl() const {
@@ -301,7 +310,6 @@
           Opcode.getEnumName();
 }
 
-
 bool EmitNodeMatcherCommon::isEqualImpl(const Matcher *m) const {
   const EmitNodeMatcherCommon *M = cast<EmitNodeMatcherCommon>(m);
   return M->OpcodeName == OpcodeName && M->VTs == VTs &&