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, 9 insertions, 0 deletions

diff --git a/llvm/utils/TableGen/CodeGenTarget.cpp b/llvm/utils/TableGen/CodeGenTarget.cpp
index fceb61f44c5..d4d4187924f 100644
--- a/llvm/utils/TableGen/CodeGenTarget.cpp
+++ b/llvm/utils/TableGen/CodeGenTarget.cpp
@@ -330,3 +330,12 @@ unsigned CodeGenInstruction::getOperandNamed(const std::string &Name) const {
   throw "Instruction '" + TheDef->getName() +
         "' does not have an operand named '$" + Name + "'!";
 }
+
+//===----------------------------------------------------------------------===//
+// ComplexPattern implementation
+//
+ComplexPattern::ComplexPattern(Record *R) {
+  NumOperands   = R->getValueAsInt("NumOperands");
+  SelectFunc    = R->getValueAsString("SelectFunc");
+  MatchingNodes = R->getValueAsListOfDefs("MatchingNodes");
+}