Added support for ComplexPattern. These are patterns that require C++ pattern

matching code that is not currently auto-generated by tblgen, e.g. X86
addressing mode. Selection routines for complex patterns can return multiple operands, e.g. X86 addressing mode returns 4.

llvm-svn: 24634

1 files changed, 17 insertions, 0 deletions

diff --git a/llvm/utils/TableGen/CodeGenTarget.h b/llvm/utils/TableGen/CodeGenTarget.h
index f2c4da336cb..36b87599322 100644
--- a/llvm/utils/TableGen/CodeGenTarget.h
+++ b/llvm/utils/TableGen/CodeGenTarget.h
@@ -157,6 +157,23 @@ public:
   bool isLittleEndianEncoding() const;
 };
 
+/// ComplexPattern - ComplexPattern info, corresponding to the ComplexPattern
+/// tablegen class in TargetSelectionDAG.td
+class ComplexPattern {
+  unsigned NumOperands;
+  std::string SelectFunc;
+  std::vector<Record*> MatchingNodes;
+public:
+  ComplexPattern() : NumOperands(0) {};
+  ComplexPattern(Record *R);
+
+  unsigned getNumOperands() const { return NumOperands; }
+  const std::string &getSelectFunc() const { return SelectFunc; }
+  const std::vector<Record*> &getMatchingNodes() const {
+    return MatchingNodes;
+  }
+};
+
 } // End llvm namespace
 
 #endif