[llvm-commits] [llvm] r43025 - /llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAGTypes.cpp

[Chris Lattner]

Author: lattner
Date: Mon Oct 15 22:00:22 2007
New Revision: 43025

URL: http://llvm.org/viewvc/llvm-project?rev=43025&view=rev
Log:
implement promotion of select and select_cc, allowing MallocBench/gs to
work with type promotion on x86.

Modified:
    llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAGTypes.cpp

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAGTypes.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAGTypes.cpp?rev=43025&r1=43024&r2=43025&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAGTypes.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAGTypes.cpp Mon Oct 15 22:00:22 2007
@@ -130,6 +130,8 @@
   SDOperand PromoteResult_SETCC(SDNode *N);
   SDOperand PromoteResult_LOAD(LoadSDNode *N);
   SDOperand PromoteResult_SimpleIntBinOp(SDNode *N);
+  SDOperand PromoteResult_SELECT   (SDNode *N);
+  SDOperand PromoteResult_SELECT_CC(SDNode *N);
   
   // Result Expansion.
   void ExpandResult(SDNode *N, unsigned ResNo);
@@ -450,6 +452,10 @@
   case ISD::ADD:
   case ISD::SUB:
   case ISD::MUL:      Result = PromoteResult_SimpleIntBinOp(N); break;
+    
+  case ISD::SELECT:    Result = PromoteResult_SELECT(N); break;
+  case ISD::SELECT_CC: Result = PromoteResult_SELECT_CC(N); break;
+
   }      
   
   // If Result is null, the sub-method took care of registering the result.
@@ -552,6 +558,19 @@
   return DAG.getNode(N->getOpcode(), LHS.getValueType(), LHS, RHS);
 }
 
+SDOperand DAGTypeLegalizer::PromoteResult_SELECT(SDNode *N) {
+  SDOperand LHS = GetPromotedOp(N->getOperand(1));
+  SDOperand RHS = GetPromotedOp(N->getOperand(2));
+  return DAG.getNode(ISD::SELECT, LHS.getValueType(), N->getOperand(0),LHS,RHS);
+}
+
+SDOperand DAGTypeLegalizer::PromoteResult_SELECT_CC(SDNode *N) {
+  SDOperand LHS = GetPromotedOp(N->getOperand(2));
+  SDOperand RHS = GetPromotedOp(N->getOperand(3));
+  return DAG.getNode(ISD::SELECT_CC, LHS.getValueType(), N->getOperand(0),
+                     N->getOperand(1), LHS, RHS, N->getOperand(4));
+}
+
 //===----------------------------------------------------------------------===//
 //  Result Expansion
 //===----------------------------------------------------------------------===//