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| author | Elena Demikhovsky <elena.demikhovsky@intel.com> | 2012-04-22 09:39:03 +0000 |
|---|---|---|
| committer | Elena Demikhovsky <elena.demikhovsky@intel.com> | 2012-04-22 09:39:03 +0000 |
| commit | 8d7e56c409ffab2e9d99b410ffd033ba142078ba (patch) | |
| tree | ff3c3245ca37de43c72d6af19cb8ba3a902ac884 /llvm/lib/CodeGen | |
| parent | f9774c32537a963c296c3bb16010d7aca9524654 (diff) | |
| download | bcm5719-llvm-8d7e56c409ffab2e9d99b410ffd033ba142078ba.tar.gz bcm5719-llvm-8d7e56c409ffab2e9d99b410ffd033ba142078ba.zip | |
ZERO_EXTEND/SIGN_EXTEND/TRUNCATE optimization for AVX2
llvm-svn: 155309
Diffstat (limited to 'llvm/lib/CodeGen')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 1ed1ee77e46..e72c8d5f2d4 100644 --- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -4520,8 +4520,10 @@ SDValue DAGCombiner::visitZERO_EXTEND(SDNode *N) { SDValue Op = N0.getOperand(0); if (Op.getValueType().bitsLT(VT)) { Op = DAG.getNode(ISD::ANY_EXTEND, N->getDebugLoc(), VT, Op); + AddToWorkList(Op.getNode()); } else if (Op.getValueType().bitsGT(VT)) { Op = DAG.getNode(ISD::TRUNCATE, N->getDebugLoc(), VT, Op); + AddToWorkList(Op.getNode()); } return DAG.getZeroExtendInReg(Op, N->getDebugLoc(), N0.getValueType().getScalarType()); |
