Add 'virtual' keywoards to output file for overridden functions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164002 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/DAGISelMatcherEmitter.cpp b/utils/TableGen/DAGISelMatcherEmitter.cpp
index 1445edb..713f174 100644
--- a/utils/TableGen/DAGISelMatcherEmitter.cpp
+++ b/utils/TableGen/DAGISelMatcherEmitter.cpp
@@ -598,7 +598,7 @@
void MatcherTableEmitter::EmitPredicateFunctions(formatted_raw_ostream &OS) {
// Emit pattern predicates.
if (!PatternPredicates.empty()) {
- OS << "bool CheckPatternPredicate(unsigned PredNo) const {\n";
+ OS << "virtual bool CheckPatternPredicate(unsigned PredNo) const {\n";
OS << " switch (PredNo) {\n";
OS << " default: llvm_unreachable(\"Invalid predicate in table?\");\n";
for (unsigned i = 0, e = PatternPredicates.size(); i != e; ++i)
@@ -616,7 +616,8 @@
PFsByName[I->first->getName()] = I->second;
if (!NodePredicates.empty()) {
- OS << "bool CheckNodePredicate(SDNode *Node, unsigned PredNo) const {\n";
+ OS << "virtual bool CheckNodePredicate(SDNode *Node,\n";
+ OS << " unsigned PredNo) const {\n";
OS << " switch (PredNo) {\n";
OS << " default: llvm_unreachable(\"Invalid predicate in table?\");\n";
for (unsigned i = 0, e = NodePredicates.size(); i != e; ++i) {
@@ -635,8 +636,8 @@
// Emit CompletePattern matchers.
// FIXME: This should be const.
if (!ComplexPatterns.empty()) {
- OS << "bool CheckComplexPattern(SDNode *Root, SDNode *Parent, SDValue N,\n";
- OS << " unsigned PatternNo,\n";
+ OS << "virtual bool CheckComplexPattern(SDNode *Root, SDNode *Parent,\n";
+ OS << " SDValue N, unsigned PatternNo,\n";
OS << " SmallVectorImpl<std::pair<SDValue, SDNode*> > &Result) {\n";
OS << " unsigned NextRes = Result.size();\n";
OS << " switch (PatternNo) {\n";
@@ -676,7 +677,7 @@
// Emit SDNodeXForm handlers.
// FIXME: This should be const.
if (!NodeXForms.empty()) {
- OS << "SDValue RunSDNodeXForm(SDValue V, unsigned XFormNo) {\n";
+ OS << "virtual SDValue RunSDNodeXForm(SDValue V, unsigned XFormNo) {\n";
OS << " switch (XFormNo) {\n";
OS << " default: llvm_unreachable(\"Invalid xform # in table?\");\n";