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Remove an unncessary argument to SimplifySelectCC and add an additional

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assert when creating a select_cc node.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22780 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nate Begeman 2005-08-13 06:14:17 +00:00
parent 32c392a3a5
commit ff66368a5f
2 changed files with 12 additions and 11 deletions
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5
include/llvm/CodeGen/SelectionDAG.h
View File

@ -222,9 +222,8 @@ private:
/// SimplifySelectCC - Try to simplify a select_cc built with the specified
/// operands and cc. This can be used to simplify both the select_cc node,
/// and a select node whose first operand is a setcc.
SDOperand SimplifySelectCC(MVT::ValueType VT, ISD::CondCode CC,
SDOperand N1, SDOperand N2, SDOperand N3,
SDOperand N4);
SDOperand SimplifySelectCC(SDOperand N1, SDOperand N2, SDOperand N3,
SDOperand N4, ISD::CondCode CC);
// Maps to auto-CSE operations.
std::map<std::pair<unsigned, std::pair<SDOperand, MVT::ValueType> >,

18
lib/CodeGen/SelectionDAG/SelectionDAG.cpp
View File

@ -686,9 +686,10 @@ SDOperand SelectionDAG::SimplifySetCC(MVT::ValueType VT, SDOperand N1,
return SDOperand();
}
SDOperand SelectionDAG::SimplifySelectCC(MVT::ValueType VT, ISD::CondCode CC,
SDOperand N1, SDOperand N2, SDOperand N3,
SDOperand N4) {
SDOperand SelectionDAG::SimplifySelectCC(SDOperand N1, SDOperand N2,
SDOperand N3, SDOperand N4,
ISD::CondCode CC) {
MVT::ValueType VT = N3.getValueType();
ConstantSDNode *N2C = dyn_cast<ConstantSDNode>(N2.Val);
ConstantSDNode *N3C = dyn_cast<ConstantSDNode>(N3.Val);
ConstantSDNode *N4C = dyn_cast<ConstantSDNode>(N4.Val);
@ -1490,9 +1491,8 @@ SDOperand SelectionDAG::getNode(unsigned Opcode, MVT::ValueType VT,
return getNode(ISD::AND, VT, N1, N2);
}
if (N1.getOpcode() == ISD::SETCC) {
SDOperand Simp = SimplifySelectCC(VT,
cast<CondCodeSDNode>(N1.getOperand(2))->get(),
N1.getOperand(0), N1.getOperand(1), N2, N3);
SDOperand Simp = SimplifySelectCC(N1.getOperand(0), N1.getOperand(1), N2,
N3, cast<CondCodeSDNode>(N1.getOperand(2))->get());
if (Simp.Val) return Simp;
}
break;
@ -1541,8 +1541,10 @@ SDOperand SelectionDAG::getNode(unsigned Opcode, MVT::ValueType VT,
"LHS and RHS of condition must have same type!");
assert(N3.getValueType() == N4.getValueType() &&
"True and False arms of SelectCC must have same type!");
SDOperand Simp = SimplifySelectCC(VT, cast<CondCodeSDNode>(N5)->get(), N1,
N2, N3, N4);
assert(N3.getValueType() == VT &&
"select_cc node must be of same type as true and false value!");
SDOperand Simp = SimplifySelectCC(N1, N2, N3, N4,
cast<CondCodeSDNode>(N5)->get());
if (Simp.Val) return Simp;
}