Remove code for patterns that are autogenerated
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23532 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCISelDAGToDAG.cpp b/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
index 45da295..190412a 100644
--- a/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
+++ b/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
@@ -847,9 +847,8 @@
}
}
- CurDAG->SelectNodeTo(N, PPC::DIVW, MVT::i32, Select(N->getOperand(0)),
- Select(N->getOperand(1)));
- return SDOperand(N, 0);
+ // Other cases are autogenerated.
+ break;
}
case ISD::UDIV: {
// If this is a divide by constant, we can emit code using some magic
@@ -861,9 +860,8 @@
return Result;
}
- CurDAG->SelectNodeTo(N, PPC::DIVWU, MVT::i32, Select(N->getOperand(0)),
- Select(N->getOperand(1)));
- return SDOperand(N, 0);
+ // Other cases are autogenerated.
+ break;
}
case ISD::AND: {
unsigned Imm;
@@ -884,18 +882,9 @@
getI32Imm(MB), getI32Imm(ME));
return SDOperand(N, 0);
}
- // Finally, check for the case where we are being asked to select
- // and (not(a), b) or and (a, not(b)) which can be selected as andc.
- if (isOprNot(N->getOperand(0).Val))
- CurDAG->SelectNodeTo(N, PPC::ANDC, MVT::i32, Select(N->getOperand(1)),
- Select(N->getOperand(0).getOperand(0)));
- else if (isOprNot(N->getOperand(1).Val))
- CurDAG->SelectNodeTo(N, PPC::ANDC, MVT::i32, Select(N->getOperand(0)),
- Select(N->getOperand(1).getOperand(0)));
- else
- CurDAG->SelectNodeTo(N, PPC::AND, MVT::i32, Select(N->getOperand(0)),
- Select(N->getOperand(1)));
- return SDOperand(N, 0);
+
+ // Other cases are autogenerated.
+ break;
}
case ISD::OR:
if (SDNode *I = SelectBitfieldInsert(N))
@@ -906,18 +895,8 @@
PPC::ORIS, PPC::ORI))
return CodeGenMap[Op] = SDOperand(I, 0);
- // Finally, check for the case where we are being asked to select
- // 'or (not(a), b)' or 'or (a, not(b))' which can be selected as orc.
- if (isOprNot(N->getOperand(0).Val))
- CurDAG->SelectNodeTo(N, PPC::ORC, MVT::i32, Select(N->getOperand(1)),
- Select(N->getOperand(0).getOperand(0)));
- else if (isOprNot(N->getOperand(1).Val))
- CurDAG->SelectNodeTo(N, PPC::ORC, MVT::i32, Select(N->getOperand(0)),
- Select(N->getOperand(1).getOperand(0)));
- else
- CurDAG->SelectNodeTo(N, PPC::OR, MVT::i32, Select(N->getOperand(0)),
- Select(N->getOperand(1)));
- return SDOperand(N, 0);
+ // Other cases are autogenerated.
+ break;
case ISD::SHL: {
unsigned Imm, SH, MB, ME;
if (isOpcWithIntImmediate(N->getOperand(0).Val, ISD::AND, Imm) &&