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Be a bit more paranoid about calling SelectNodeTo

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23982 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-10-25 20:26:41 +00:00
parent 3393e80a06
commit 99ea9da872
1 changed files with 11 additions and 7 deletions
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18
lib/Target/PowerPC/PPCISelDAGToDAG.cpp
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@ -886,10 +886,15 @@ SDOperand PPCDAGToDAGISel::Select(SDOperand Op) {
return SDOperand(N, 0);
case ISD::FrameIndex: {
int FI = cast<FrameIndexSDNode>(N)->getIndex();
CurDAG->SelectNodeTo(N, PPC::ADDI, MVT::i32,
CurDAG->getTargetFrameIndex(FI, MVT::i32),
getI32Imm(0));
return SDOperand(N, 0);
if (N->hasOneUse()) {
CurDAG->SelectNodeTo(N, PPC::ADDI, MVT::i32,
CurDAG->getTargetFrameIndex(FI, MVT::i32),
getI32Imm(0));
return SDOperand(N, 0);
}
return CurDAG->getTargetNode(PPC::ADDI, MVT::i32,
CurDAG->getTargetFrameIndex(FI, MVT::i32),
getI32Imm(0));
}
case ISD::ConstantPool: {
Constant *C = cast<ConstantPoolSDNode>(N)->get();
@ -914,10 +919,9 @@ SDOperand PPCDAGToDAGISel::Select(SDOperand Op) {
Tmp = CurDAG->getTargetNode(PPC::LIS, MVT::i32, GA);
if (GV->hasWeakLinkage() || GV->isExternal())
CurDAG->SelectNodeTo(N, PPC::LWZ, MVT::i32, GA, Tmp);
return CurDAG->getTargetNode(PPC::LWZ, MVT::i32, GA, Tmp);
else
CurDAG->SelectNodeTo(N, PPC::LA, MVT::i32, Tmp, GA);
return SDOperand(N, 0);
return CurDAG->getTargetNode(PPC::LA, MVT::i32, Tmp, GA);
}
case PPCISD::FSEL: {