[llvm-commits] [llvm] r52895 - in /llvm/trunk/lib/CodeGen/SelectionDAG: LegalizeIntegerTypes.cpp LegalizeTypes.h

[Duncan Sands]

Author: baldrick
Date: Mon Jun 30 06:50:11 2008
New Revision: 52895

URL: http://llvm.org/viewvc/llvm-project?rev=52895&view=rev
Log:
Support for promoting select_cc operands.

Modified:
    llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
    llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypes.h

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp?rev=52895&r1=52894&r2=52895&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp Mon Jun 30 06:50:11 2008
@@ -444,6 +444,7 @@
   case ISD::BRCOND:      Res = PromoteIntOp_BRCOND(N, OpNo); break;
   case ISD::BR_CC:       Res = PromoteIntOp_BR_CC(N, OpNo); break;
   case ISD::SELECT:      Res = PromoteIntOp_SELECT(N, OpNo); break;
+  case ISD::SELECT_CC:   Res = PromoteIntOp_SELECT_CC(N, OpNo); break;
   case ISD::SETCC:       Res = PromoteIntOp_SETCC(N, OpNo); break;
 
   case ISD::STORE:       Res = PromoteIntOp_STORE(cast<StoreSDNode>(N),
@@ -568,7 +569,7 @@
 }
 
 SDOperand DAGTypeLegalizer::PromoteIntOp_BR_CC(SDNode *N, unsigned OpNo) {
-  assert(OpNo == 2 && "Don't know how to promote this operand");
+  assert(OpNo == 2 && "Don't know how to promote this operand!");
 
   SDOperand LHS = N->getOperand(2);
   SDOperand RHS = N->getOperand(3);
@@ -580,8 +581,20 @@
                                 N->getOperand(1), LHS, RHS, N->getOperand(4));
 }
 
+SDOperand DAGTypeLegalizer::PromoteIntOp_SELECT_CC(SDNode *N, unsigned OpNo) {
+  assert(OpNo == 0 && "Don't know how to promote this operand!");
+
+  SDOperand LHS = N->getOperand(0);
+  SDOperand RHS = N->getOperand(1);
+  PromoteSetCCOperands(LHS, RHS, cast<CondCodeSDNode>(N->getOperand(4))->get());
+
+  // The CC (#4) and the possible return values (#2 and #3) have legal types.
+  return DAG.UpdateNodeOperands(SDOperand(N, 0), LHS, RHS, N->getOperand(2),
+                                N->getOperand(3), N->getOperand(4));
+}
+
 SDOperand DAGTypeLegalizer::PromoteIntOp_SETCC(SDNode *N, unsigned OpNo) {
-  assert(OpNo == 0 && "Don't know how to promote this operand");
+  assert(OpNo == 0 && "Don't know how to promote this operand!");
 
   SDOperand LHS = N->getOperand(0);
   SDOperand RHS = N->getOperand(1);

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypes.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypes.h?rev=52895&r1=52894&r2=52895&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypes.h (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypes.h Mon Jun 30 06:50:11 2008
@@ -248,6 +248,7 @@
   SDOperand PromoteIntOp_INSERT_VECTOR_ELT(SDNode *N, unsigned OpNo);
   SDOperand PromoteIntOp_MEMBARRIER(SDNode *N);
   SDOperand PromoteIntOp_SELECT(SDNode *N, unsigned OpNo);
+  SDOperand PromoteIntOp_SELECT_CC(SDNode *N, unsigned OpNo);
   SDOperand PromoteIntOp_SETCC(SDNode *N, unsigned OpNo);
   SDOperand PromoteIntOp_SIGN_EXTEND(SDNode *N);
   SDOperand PromoteIntOp_STORE(StoreSDNode *N, unsigned OpNo);
@@ -428,7 +429,6 @@
   void SplitVecRes_UnOp(SDNode *N, SDOperand &Lo, SDOperand &Hi);
   void SplitVecRes_BinOp(SDNode *N, SDOperand &Lo, SDOperand &Hi);
   void SplitVecRes_FPOWI(SDNode *N, SDOperand &Lo, SDOperand &Hi);
-  void SplitVecRes_SELECT(SDNode *N, SDOperand &Lo, SDOperand &Hi);
 
   // Vector Operand Splitting: <128 x ty> -> 2 x <64 x ty>.
   bool SplitOperand(SDNode *N, unsigned OpNo);