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fix PR3538 for ARM. 

llvm-svn: 64384
This commit is contained in:
Chris Lattner 2009-02-12 17:38:23 +00:00
parent 4d4c702d5f
commit 844deb73f4
1 changed files with 19 additions and 12 deletions
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31
llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp
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@ -837,13 +837,18 @@ SDNode *ARMDAGToDAGISel::Select(SDValue Op) {
SDValue N1 = Op.getOperand(1);
SDValue N2 = Op.getOperand(2);
FrameIndexSDNode *FINode = dyn_cast<FrameIndexSDNode>(N1);
if (!FINode)
break;
// FIXME: handle VLAs.
if (!FINode) {
ReplaceUses(Op.getValue(0), Chain);
return NULL;
}
if (N2.getOpcode() == ARMISD::PIC_ADD && isa<LoadSDNode>(N2.getOperand(0)))
N2 = N2.getOperand(0);
LoadSDNode *Ld = dyn_cast<LoadSDNode>(N2);
if (!Ld)
break;
if (!Ld) {
ReplaceUses(Op.getValue(0), Chain);
return NULL;
}
SDValue BasePtr = Ld->getBasePtr();
assert(BasePtr.getOpcode() == ARMISD::Wrapper &&
isa<ConstantPoolSDNode>(BasePtr.getOperand(0)) &&
@ -855,15 +860,17 @@ SDNode *ARMDAGToDAGISel::Select(SDValue Op) {
GV = ACPV->getGV();
} else
GV = dyn_cast<GlobalValue>(CP->getConstVal());
if (GV) {
SDValue Tmp1 = CurDAG->getTargetFrameIndex(FINode->getIndex(),
TLI.getPointerTy());
SDValue Tmp2 = CurDAG->getTargetGlobalAddress(GV, TLI.getPointerTy());
SDValue Ops[] = { Tmp1, Tmp2, Chain };
return CurDAG->getTargetNode(TargetInstrInfo::DECLARE, dl,
MVT::Other, Ops, 3);
if (!GV) {
ReplaceUses(Op.getValue(0), Chain);
return NULL;
}
break;
SDValue Tmp1 = CurDAG->getTargetFrameIndex(FINode->getIndex(),
TLI.getPointerTy());
SDValue Tmp2 = CurDAG->getTargetGlobalAddress(GV, TLI.getPointerTy());
SDValue Ops[] = { Tmp1, Tmp2, Chain };
return CurDAG->getTargetNode(TargetInstrInfo::DECLARE, dl,
MVT::Other, Ops, 3);
}
}