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author | Duncan Sands <baldrick@free.fr> | 2007-10-25 12:32:31 +0000 |
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committer | Duncan Sands <baldrick@free.fr> | 2007-10-25 12:32:31 +0000 |
commit | cac99db7dafb832710d9cb95bc7561d861f9e55b (patch) | |
tree | 69fa8afc52370fd11adcec029dd3b9d7a8346ec4 /lib | |
parent | a3d10d808eb68c8e330eee382168cd747c718baf (diff) | |
download | external_llvm-cac99db7dafb832710d9cb95bc7561d861f9e55b.zip external_llvm-cac99db7dafb832710d9cb95bc7561d861f9e55b.tar.gz external_llvm-cac99db7dafb832710d9cb95bc7561d861f9e55b.tar.bz2 |
Promote SETCC operands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43340 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
-rw-r--r-- | lib/CodeGen/SelectionDAG/LegalizeDAGTypes.cpp | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAGTypes.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAGTypes.cpp index 5e5b074..e10a427 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeDAGTypes.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeDAGTypes.cpp @@ -190,6 +190,7 @@ private: SDOperand PromoteOperand_SELECT(SDNode *N, unsigned OpNo); SDOperand PromoteOperand_BRCOND(SDNode *N, unsigned OpNo); SDOperand PromoteOperand_BR_CC(SDNode *N, unsigned OpNo); + SDOperand PromoteOperand_SETCC(SDNode *N, unsigned OpNo); SDOperand PromoteOperand_STORE(StoreSDNode *N, unsigned OpNo); void PromoteSetCCOperands(SDOperand &LHS,SDOperand &RHS, ISD::CondCode Code); @@ -1456,6 +1457,7 @@ bool DAGTypeLegalizer::PromoteOperand(SDNode *N, unsigned OpNo) { case ISD::SELECT: Res = PromoteOperand_SELECT(N, OpNo); break; case ISD::BRCOND: Res = PromoteOperand_BRCOND(N, OpNo); break; case ISD::BR_CC: Res = PromoteOperand_BR_CC(N, OpNo); break; + case ISD::SETCC: Res = PromoteOperand_SETCC(N, OpNo); break; case ISD::STORE: Res = PromoteOperand_STORE(cast<StoreSDNode>(N), OpNo); break; @@ -1577,6 +1579,17 @@ SDOperand DAGTypeLegalizer::PromoteOperand_BR_CC(SDNode *N, unsigned OpNo) { N->getOperand(1), LHS, RHS, N->getOperand(4)); } +SDOperand DAGTypeLegalizer::PromoteOperand_SETCC(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(2))->get()); + + // The CC (#2) is always legal. + return DAG.UpdateNodeOperands(SDOperand(N, 0), LHS, RHS, N->getOperand(2)); +} + /// PromoteSetCCOperands - Promote the operands of a comparison. This code is /// shared among BR_CC, SELECT_CC, and SETCC handlers. void DAGTypeLegalizer::PromoteSetCCOperands(SDOperand &NewLHS,SDOperand &NewRHS, |