[llvm-commits] [llvm] r37900 - /llvm/trunk/utils/TableGen/DAGISelEmitter.cpp

[Evan Cheng]

Author: evancheng
Date: Thu Jul  5 02:19:45 2007
New Revision: 37900

URL: http://llvm.org/viewvc/llvm-project?rev=37900&view=rev
Log:
Teach DAGISelEmitter about zero_reg.

Modified:
    llvm/trunk/utils/TableGen/DAGISelEmitter.cpp

Modified: llvm/trunk/utils/TableGen/DAGISelEmitter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/utils/TableGen/DAGISelEmitter.cpp?rev=37900&r1=37899&r2=37900&view=diff

==============================================================================
--- llvm/trunk/utils/TableGen/DAGISelEmitter.cpp (original)
+++ llvm/trunk/utils/TableGen/DAGISelEmitter.cpp Thu Jul  5 02:19:45 2007
@@ -622,7 +622,8 @@
   } else if (R->getName() == "ptr_rc") {
     Other[0] = MVT::iPTR;
     return Other;
-  } else if (R->getName() == "node" || R->getName() == "srcvalue") {
+  } else if (R->getName() == "node" || R->getName() == "srcvalue" ||
+             R->getName() == "zero_reg") {
     // Placeholder.
     return Unknown;
   }
@@ -2711,6 +2712,12 @@
                    getEnumName(N->getTypeNum(0)) + ");");
           NodeOps.push_back("Tmp" + utostr(ResNo));
           return NodeOps;
+        } else if (DI->getDef()->getName() == "zero_reg") {
+          emitCode("SDOperand Tmp" + utostr(ResNo) +
+                   " = CurDAG->getRegister(0, " +
+                   getEnumName(N->getTypeNum(0)) + ");");
+          NodeOps.push_back("Tmp" + utostr(ResNo));
+          return NodeOps;
         }
       } else if (IntInit *II = dynamic_cast<IntInit*>(N->getLeafValue())) {
         unsigned ResNo = TmpNo++;