diff options
| author | Bill Wendling <isanbard@gmail.com> | 2008-11-21 02:12:42 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2008-11-21 02:12:42 +0000 |
| commit | 1c55a9c0cc355ad72c55ae7665143b9a992d223b (patch) | |
| tree | 066e731897e1b57723b26d504e3f5c26cfeeb007 /lib/CodeGen/SelectionDAG/DAGCombiner.cpp | |
| parent | 7cdc3c8ad208d9655be542fc8b082c4457af4b6e (diff) | |
Rename "ADDO" to "SADDO" and "UADDO". The "UADDO" isn't equivalent to "ADDC"
because the boolean it returns to indicate an overflow may not be treated like
as a flag. It could be stored to memory, for instance.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59780 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/DAGCombiner.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index cbb6506b65..e2aad48a2c 100644 --- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -190,7 +190,8 @@ namespace { SDValue visitBUILD_VECTOR(SDNode *N); SDValue visitCONCAT_VECTORS(SDNode *N); SDValue visitVECTOR_SHUFFLE(SDNode *N); - SDValue visitADDO(SDNode *N); + SDValue visitSADDO(SDNode *N); + SDValue visitUADDO(SDNode *N); SDValue XformToShuffleWithZero(SDNode *N); SDValue ReassociateOps(unsigned Opc, SDValue LHS, SDValue RHS); @@ -728,7 +729,8 @@ SDValue DAGCombiner::visit(SDNode *N) { case ISD::BUILD_VECTOR: return visitBUILD_VECTOR(N); case ISD::CONCAT_VECTORS: return visitCONCAT_VECTORS(N); case ISD::VECTOR_SHUFFLE: return visitVECTOR_SHUFFLE(N); - case ISD::ADDO: return visitADDO(N); + case ISD::SADDO: return visitSADDO(N); + case ISD::UADDO: return visitUADDO(N); } return SDValue(); } @@ -5145,7 +5147,7 @@ SDValue DAGCombiner::visitVECTOR_SHUFFLE(SDNode *N) { return SDValue(); } -SDValue DAGCombiner::visitADDO(SDNode *N) { +SDValue DAGCombiner::visitSADDO(SDNode *N) { SDValue Chain = N->getOperand(2); SDValue LHS = N->getOperand(0); SDValue RHS = N->getOperand(1); @@ -5173,6 +5175,10 @@ SDValue DAGCombiner::visitADDO(SDNode *N) { return SDValue(N, 0); } +SDValue DAGCombiner::visitUADDO(SDNode *N) { + return SDValue(); +} + /// XformToShuffleWithZero - Returns a vector_shuffle if it able to transform /// an AND to a vector_shuffle with the destination vector and a zero vector. /// e.g. AND V, <0xffffffff, 0, 0xffffffff, 0>. ==> |