forked from OSchip/llvm-project
Fix a couple of minor bugs. The first fixes povray, the second fixes things
if the dag combiner isn't run llvm-svn: 23981
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@ -898,8 +898,11 @@ SDOperand PPCDAGToDAGISel::Select(SDOperand Op) {
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Tmp = CurDAG->getTargetNode(PPC::ADDIS, MVT::i32, getGlobalBaseReg(),CPI);
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else
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Tmp = CurDAG->getTargetNode(PPC::LIS, MVT::i32, CPI);
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CurDAG->SelectNodeTo(N, PPC::LA, MVT::i32, Tmp, CPI);
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return SDOperand(N, 0);
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if (N->hasOneUse()) {
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CurDAG->SelectNodeTo(N, PPC::LA, MVT::i32, Tmp, CPI);
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return SDOperand(N, 0);
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}
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return CurDAG->getTargetNode(PPC::LA, MVT::i32, Tmp, CPI);
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}
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case ISD::GlobalAddress: {
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GlobalValue *GV = cast<GlobalAddressSDNode>(N)->getGlobal();
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@ -1035,7 +1038,10 @@ SDOperand PPCDAGToDAGISel::Select(SDOperand Op) {
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unsigned SH, MB, ME;
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if (isRotateAndMask(N->getOperand(0).Val, Imm, false, SH, MB, ME)) {
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Val = Select(N->getOperand(0).getOperand(0));
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} else {
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} else if (Imm == 0) {
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// AND X, 0 -> 0, not "rlwinm 32".
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return Select(N->getOperand(1));
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} else {
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Val = Select(N->getOperand(0));
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isRunOfOnes(Imm, MB, ME);
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SH = 0;
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