diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2017-06-26 20:32:52 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2017-06-26 20:32:52 +0000 |
| commit | 08bbd35a80bf7765fe0d3043f9eb5a2f2786b649 (patch) | |
| tree | 80108f0f128657f8623f8f66ad9735b4d88e7b47 /lib/Target/Mips/MipsISelLowering.cpp | |
| parent | 7c7aba6e5fef47a01a136be655b0a92cfd7090f6 (diff) | |
Diffstat (limited to 'lib/Target/Mips/MipsISelLowering.cpp')
| -rw-r--r-- | lib/Target/Mips/MipsISelLowering.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/Target/Mips/MipsISelLowering.cpp b/lib/Target/Mips/MipsISelLowering.cpp index 68708dc4f50f..02102d6b22f4 100644 --- a/lib/Target/Mips/MipsISelLowering.cpp +++ b/lib/Target/Mips/MipsISelLowering.cpp @@ -907,6 +907,11 @@ static SDValue performORCombine(SDNode *N, SelectionDAG &DAG, if (!(CN1 = dyn_cast<ConstantSDNode>(N->getOperand(1)))) return SDValue(); } + // Don't generate INS if constant OR operand doesn't fit into bits + // cleared by constant AND operand. + if (CN->getSExtValue() & CN1->getSExtValue()) + return SDValue(); + SDLoc DL(N); EVT ValTy = N->getOperand(0)->getValueType(0); SDValue Const1; |