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Remove a couple of useless functions.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72516 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eli Friedman 2009-05-28 04:49:34 +00:00
parent 1c39965342
commit e727d7a084
1 changed files with 6 additions and 34 deletions
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40
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
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@ -136,15 +136,8 @@ private:
bool LegalizeAllNodesNotLeadingTo(SDNode *N, SDNode *Dest,
SmallPtrSet<SDNode*, 32> &NodesLeadingTo);
void LegalizeSetCCOperands(SDValue &LHS, SDValue &RHS, SDValue &CC,
DebugLoc dl);
void LegalizeSetCCCondCode(MVT VT, SDValue &LHS, SDValue &RHS, SDValue &CC,
DebugLoc dl);
void LegalizeSetCC(MVT VT, SDValue &LHS, SDValue &RHS, SDValue &CC,
DebugLoc dl) {
LegalizeSetCCOperands(LHS, RHS, CC, dl);
LegalizeSetCCCondCode(VT, LHS, RHS, CC, dl);
}
SDValue ExpandLibCall(RTLIB::Libcall LC, SDNode *Node, bool isSigned);
SDValue ExpandFPLibCall(SDNode *Node, RTLIB::Libcall Call_F32,
@ -1624,20 +1617,6 @@ void SelectionDAGLegalize::ExpandDYNAMIC_STACKALLOC(SDNode* Node,
Results.push_back(Tmp2);
}
/// LegalizeSetCCOperands - Attempts to create a legal LHS and RHS for a SETCC
/// with condition CC on the current target. This usually involves legalizing
/// or promoting the arguments. In the case where LHS and RHS must be expanded,
/// there may be no choice but to create a new SetCC node to represent the
/// legalized value of setcc lhs, rhs. In this case, the value is returned in
/// LHS, and the SDValue returned in RHS has a nil SDNode value.
void SelectionDAGLegalize::LegalizeSetCCOperands(SDValue &LHS,
SDValue &RHS,
SDValue &CC,
DebugLoc dl) {
LHS = LegalizeOp(LHS);
RHS = LegalizeOp(RHS);
}
/// LegalizeSetCCCondCode - Legalize a SETCC with given LHS and RHS and
/// condition code CC on the current target. This routine assumes LHS and rHS
/// have already been legalized by LegalizeSetCCOperands. It expands SETCC with
@ -2897,7 +2876,7 @@ void SelectionDAGLegalize::ExpandNode(SDNode *Node,
Tmp1 = Node->getOperand(0);
Tmp2 = Node->getOperand(1);
Tmp3 = Node->getOperand(2);
LegalizeSetCC(Node->getValueType(0), Tmp1, Tmp2, Tmp3, dl);
LegalizeSetCCCondCode(Node->getValueType(0), Tmp1, Tmp2, Tmp3, dl);
// If we expanded the SETCC into an AND/OR, return the new node
if (Tmp2.getNode() == 0) {
@ -2920,8 +2899,8 @@ void SelectionDAGLegalize::ExpandNode(SDNode *Node,
Tmp4 = Node->getOperand(3); // False
SDValue CC = Node->getOperand(4);
LegalizeSetCC(TLI.getSetCCResultType(Tmp1.getValueType()),
Tmp1, Tmp2, CC, dl);
LegalizeSetCCCondCode(TLI.getSetCCResultType(Tmp1.getValueType()),
Tmp1, Tmp2, CC, dl);
assert(!Tmp2.getNode() && "Can't legalize SELECT_CC with legal condition!");
Tmp2 = DAG.getConstant(0, Tmp1.getValueType());
@ -2937,18 +2916,11 @@ void SelectionDAGLegalize::ExpandNode(SDNode *Node,
Tmp3 = Node->getOperand(3); // RHS
Tmp4 = Node->getOperand(1); // CC
LegalizeSetCC(TLI.getSetCCResultType(Tmp2.getValueType()),
Tmp2, Tmp3, Tmp4, dl);
LegalizeSetCCCondCode(TLI.getSetCCResultType(Tmp2.getValueType()),
Tmp2, Tmp3, Tmp4, dl);
LastCALLSEQ_END = DAG.getEntryNode();
// If we didn't get both a LHS and RHS back from LegalizeSetCC,
// the LHS is a legal SETCC itself. In this case, we need to compare
// the result against zero to select between true and false values.
if (Tmp3.getNode() == 0) {
Tmp3 = DAG.getConstant(0, Tmp2.getValueType());
Tmp4 = DAG.getCondCode(ISD::SETNE);
}
assert(!Tmp2.getNode() && "Can't legalize BR_CC with legal condition!");
Tmp1 = DAG.getNode(ISD::BR_CC, dl, Node->getValueType(0), Tmp1, Tmp4, Tmp2,
Tmp3, Node->getOperand(4));
Results.push_back(Tmp1);