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Support for promoting select_cc operands.

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llvm-svn: 52895
This commit is contained in:
Duncan Sands 2008-06-30 11:50:11 +00:00
parent 4036419ff8
commit a706115957
2 changed files with 16 additions and 3 deletions
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17
lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
View File

@ -444,6 +444,7 @@ bool DAGTypeLegalizer::PromoteIntegerOperand(SDNode *N, unsigned OpNo) {
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_BRCOND(SDNode *N, unsigned OpNo) {
}
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 @@ SDOperand DAGTypeLegalizer::PromoteIntOp_BR_CC(SDNode *N, unsigned OpNo) {
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);

2
lib/CodeGen/SelectionDAG/LegalizeTypes.h
View File

@ -248,6 +248,7 @@ private:
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 @@ private:
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);