[llvm-commits] [llvm] r72516 - /llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
Eli Friedman
eli.friedman at gmail.com
Wed May 27 21:49:34 PDT 2009
Author: efriedma
Date: Wed May 27 23:49:34 2009
New Revision: 72516
URL: http://llvm.org/viewvc/llvm-project?rev=72516&view=rev
Log:
Remove a couple of useless functions.
Modified:
llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
Modified: llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp?rev=72516&r1=72515&r2=72516&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp Wed May 27 23:49:34 2009
@@ -136,15 +136,8 @@
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 @@
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 @@
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 @@
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 @@
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);
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