Start parsing node transformation information
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23337 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/DAGISelEmitter.h b/utils/TableGen/DAGISelEmitter.h
index 6e39a5f..d160522 100644
--- a/utils/TableGen/DAGISelEmitter.h
+++ b/utils/TableGen/DAGISelEmitter.h
@@ -120,6 +120,10 @@
/// for a match. If this string is empty, no predicate is involved.
std::string PredicateFn;
+ /// TransformFn - The transformation function to execute on this node before
+ /// it can be substituted into the resulting instruction on a pattern match.
+ std::string TransformFn;
+
std::vector<TreePatternNode*> Children;
public:
TreePatternNode(Record *Op, const std::vector<TreePatternNode*> &Ch)
@@ -147,6 +151,9 @@
const std::string &getPredicateFn() const { return PredicateFn; }
void setPredicateFn(const std::string &Fn) { PredicateFn = Fn; }
+
+ const std::string &getTransformFn() const { return TransformFn; }
+ void setTransformFn(const std::string &Fn) { TransformFn = Fn; }
void print(std::ostream &OS) const;
void dump() const;
@@ -276,6 +283,7 @@
CodeGenTarget Target;
std::map<Record*, SDNodeInfo> SDNodes;
+ std::map<Record*, std::pair<Record*, std::string> > SDNodeXForms;
std::map<Record*, TreePattern*> PatternFragments;
std::vector<TreePattern*> Instructions;
public:
@@ -296,6 +304,7 @@
private:
void ParseNodeInfo();
+ void ParseNodeTransforms(std::ostream &OS);
void ParseAndResolvePatternFragments(std::ostream &OS);
void ParseAndResolveInstructions();
void EmitInstructionSelector(std::ostream &OS);