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author | Chris Lattner <sabre@nondot.org> | 2008-06-30 02:43:01 +0000 |
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committer | Chris Lattner <sabre@nondot.org> | 2008-06-30 02:43:01 +0000 |
commit | 80c1a5622a26794873b0d44e27c04926cd6c6be1 (patch) | |
tree | 52956d3f0d818913c234040b1ea339713684cf70 /lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | |
parent | 69c8d9be02ddf696f0c4153193d973c82a2e2835 (diff) | |
download | external_llvm-80c1a5622a26794873b0d44e27c04926cd6c6be1.zip external_llvm-80c1a5622a26794873b0d44e27c04926cd6c6be1.tar.gz external_llvm-80c1a5622a26794873b0d44e27c04926cd6c6be1.tar.bz2 |
Implement split and scalarize for SELECT_CC, fixing PR2504
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52887 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/LegalizeDAG.cpp')
-rw-r--r-- | lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index f087496..c40a783 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -6895,6 +6895,22 @@ void SelectionDAGLegalize::SplitVectorOp(SDOperand Op, SDOperand &Lo, } break; } + case ISD::SELECT_CC: { + SDOperand CondLHS = Node->getOperand(0); + SDOperand CondRHS = Node->getOperand(1); + SDOperand CondCode = Node->getOperand(4); + + SDOperand LL, LH, RL, RH; + SplitVectorOp(Node->getOperand(2), LL, LH); + SplitVectorOp(Node->getOperand(3), RL, RH); + + // Handle a simple select with vector operands. + Lo = DAG.getNode(ISD::SELECT_CC, NewVT_Lo, CondLHS, CondRHS, + LL, RL, CondCode); + Hi = DAG.getNode(ISD::SELECT_CC, NewVT_Hi, CondLHS, CondRHS, + LH, RH, CondCode); + break; + } case ISD::VSETCC: { SDOperand LL, LH, RL, RH; SplitVectorOp(Node->getOperand(0), LL, LH); @@ -7122,6 +7138,13 @@ SDOperand SelectionDAGLegalize::ScalarizeVectorOp(SDOperand Op) { ScalarizeVectorOp(Op.getOperand(1)), ScalarizeVectorOp(Op.getOperand(2))); break; + case ISD::SELECT_CC: + Result = DAG.getNode(ISD::SELECT_CC, NewVT, Node->getOperand(0), + Node->getOperand(1), + ScalarizeVectorOp(Op.getOperand(2)), + ScalarizeVectorOp(Op.getOperand(3)), + Node->getOperand(4)); + break; case ISD::VSETCC: { SDOperand Op0 = ScalarizeVectorOp(Op.getOperand(0)); SDOperand Op1 = ScalarizeVectorOp(Op.getOperand(1)); |