introduce a new SwitchTypeMatcher node (which is analogous to
SwitchOpcodeMatcher) and have DAGISelMatcherOpt form it. This
speeds up selection, particularly for X86 which has lots of
variants of instructions with only type differences.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97645 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/DAGISelMatcher.cpp b/utils/TableGen/DAGISelMatcher.cpp
index a2603e9..c4f1cbf 100644
--- a/utils/TableGen/DAGISelMatcher.cpp
+++ b/utils/TableGen/DAGISelMatcher.cpp
@@ -102,6 +102,15 @@
OS.indent(indent) << "CheckType " << getEnumName(Type) << '\n';
}
+void SwitchTypeMatcher::printImpl(raw_ostream &OS, unsigned indent) const {
+ OS.indent(indent) << "SwitchType: {\n";
+ for (unsigned i = 0, e = Cases.size(); i != e; ++i) {
+ OS.indent(indent) << "case " << getEnumName(Cases[i].first) << ":\n";
+ Cases[i].second->print(OS, indent+2);
+ }
+ OS.indent(indent) << "}\n";
+}
+
void CheckChildTypeMatcher::printImpl(raw_ostream &OS, unsigned indent) const {
OS.indent(indent) << "CheckChildType " << ChildNo << " "
<< getEnumName(Type) << '\n';