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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2015-04-06 17:15:41 +0000 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2015-04-06 17:15:41 +0000 |
| commit | 07e063e44c2348d23b2d7f249e7da3be56c20760 (patch) | |
| tree | bb86f2fca4119c5d96ef04ebb6bbb2f41296a723 /llvm/lib | |
| parent | b23c24c2a84bbc367240fc1eaf17863320793200 (diff) | |
| download | bcm5719-llvm-07e063e44c2348d23b2d7f249e7da3be56c20760.tar.gz bcm5719-llvm-07e063e44c2348d23b2d7f249e7da3be56c20760.zip | |
[DAGCombiner] Add support for FCEIL, FFLOOR and FTRUNC vector constant folding
Differential Revision: http://reviews.llvm.org/D8715
llvm-svn: 234179
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 9 | ||||
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 4 |
2 files changed, 7 insertions, 6 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index e0866ef4ee7..71fae7b049a 100644 --- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -8194,11 +8194,10 @@ SDValue DAGCombiner::visitFP_EXTEND(SDNode *N) { SDValue DAGCombiner::visitFCEIL(SDNode *N) { SDValue N0 = N->getOperand(0); - ConstantFPSDNode *N0CFP = dyn_cast<ConstantFPSDNode>(N0); EVT VT = N->getValueType(0); // fold (fceil c1) -> fceil(c1) - if (N0CFP) + if (isConstantFPBuildVectorOrConstantFP(N0)) return DAG.getNode(ISD::FCEIL, SDLoc(N), VT, N0); return SDValue(); @@ -8206,11 +8205,10 @@ SDValue DAGCombiner::visitFCEIL(SDNode *N) { SDValue DAGCombiner::visitFTRUNC(SDNode *N) { SDValue N0 = N->getOperand(0); - ConstantFPSDNode *N0CFP = dyn_cast<ConstantFPSDNode>(N0); EVT VT = N->getValueType(0); // fold (ftrunc c1) -> ftrunc(c1) - if (N0CFP) + if (isConstantFPBuildVectorOrConstantFP(N0)) return DAG.getNode(ISD::FTRUNC, SDLoc(N), VT, N0); return SDValue(); @@ -8218,11 +8216,10 @@ SDValue DAGCombiner::visitFTRUNC(SDNode *N) { SDValue DAGCombiner::visitFFLOOR(SDNode *N) { SDValue N0 = N->getOperand(0); - ConstantFPSDNode *N0CFP = dyn_cast<ConstantFPSDNode>(N0); EVT VT = N->getValueType(0); // fold (ffloor c1) -> ffloor(c1) - if (N0CFP) + if (isConstantFPBuildVectorOrConstantFP(N0)) return DAG.getNode(ISD::FFLOOR, SDLoc(N), VT, N0); return SDValue(); diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp index 644411706f4..fdfdd15ad67 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp @@ -2853,6 +2853,9 @@ SDValue SelectionDAG::getNode(unsigned Opcode, SDLoc DL, break; case ISD::FNEG: case ISD::FABS: + case ISD::FCEIL: + case ISD::FTRUNC: + case ISD::FFLOOR: case ISD::FP_EXTEND: case ISD::TRUNCATE: case ISD::UINT_TO_FP: @@ -2870,6 +2873,7 @@ SDValue SelectionDAG::getNode(unsigned Opcode, SDLoc DL, } if (Ops.size() == VT.getVectorNumElements()) return getNode(ISD::BUILD_VECTOR, DL, VT, Ops); + break; } } } |
